Sharp LC-32LE320, LC-42LE320 Schematic

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

al condition and only parts

ose spec

used

SERVICE MANUAL

No.

LED COLOUR TELEVISION

LC-19LE320 LC-22LE320 LC-26LE320 LC-32LE320 LC-37LE320

MODELS LC-42LE320

In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its origin

SAFETY PRECAUTION

IMPORTANT SERVICE SAFETY PRE-

CAUTION ................................................. ... .................2

Precautions for using lead-free solder ......……….........3

CHAPTER 1. OPERATION MANUAL

[1] SPECIFICATIONS ..................................................4

[2] OPERATION MANUAL ...........................................6

[3] DIMENSIONS ........................................................11

CHAPTER 2. REMOVING OF MAJOR PARTS

[1] REMOVING OF MAJOR PARTS ..........................12

CHAPTER 3. ADJUSTMENT PROCEDURE

[1] ADJUSTMENT PROCEDURE...............................37

[2] SERVICE MODE....................................................50

[3]

SOFTWARE UPGRADE PROCEDURE................51

CHAPTER 4. TROUBLESHOOTING TABLE

[1] TROUBLESHOOTING TABLE...............................52

CHAPTER 5. MAJOR IC INFORMATIONS

[1] MAJOR IC INFORMATIONS...............................127

CHAPTER 6. BLOCK DIAGRAM/WIRING DIAGRAM

[1] BLOCK DIAGRAM...............................................149

Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.

SHARP CORPORATION

identical to th

ified should be

CONTENTS

[2] POWER MANAGEMENT BLOCK DIAGRAM.........151

[3] WIRING DIAGRAM ................................................153

CHAPTER 7. PRINTED WIRING BOARD

[1] MAIN UNIT PRINTED WIRING BOARD .................158

[2] POWER UNIT PRINTED WIRING BOARD.............162

[3] KEY UNIT PRINTED WIRING BOARD ...................170

[4] IR UNIT PRINTED WIRING BOARD ......................171

[5] MEMC UNIT PRINTED WIRING BOARD................172

[6] RS232 UNIT PRINTED WIRING BOARD................174

[7] Convert UNIT PRINTED WIRING BOARD..............175

CHAPTER 8. SCHEMATIC DIAGRAM

[1] MAIN SCHEMATIC DIAGRAM ..............................177

[2] POWER SCHEMATIC DIAGRAM............................203

[3] KEY SCHEMATIC DIAGRAM..................................208

[4] IR SCHEMATIC DIAGRAM......................................209

[5] MEMC SCHEMATIC DIAGRAM...............................210

[6] RS232 SCHEMATIC DIAGRAM...............................215

[7] Convert SCHEMATIC DIAGRAM.............................216

CHAPTER 9. Parts Guide

[1] SPARE PARTS LIST...............................................218

[2] CABINET PARTS ...................................................311

[3] SUPPLIED ACCESSOORIES............................... ..323

[4] PACKING PARTS....................................................324

1

.

This document has been published to be used for after sales service only. The contents are subject to change without notice.

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

SAFETY PRECAUTION

IMPORTANT SERVICE SAFETY PRECAUTION

■ Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the

servicing guidelines which follow:

■ WARNING

1. For continued safety, no modification of any circuit should be attempted.

2. Disconnect AC power before servicing.

CAUTION: FOR CONTINUED PROTECTION AGAINST A

RISK OF FIRE REPLACE ONLY WITH SAME TYPE FUSE. 42" F901 (T6.3AH/250V)

26"/32" F901 (T5AH/250V)

BEFORE RETURNING THE RECEIVER

■

(Fire & Shock Hazard)

Before returning the receiver to the user, perform the following safety checks:

3. Inspect all lead dress to make certain that leads are not pinched, and check that hardware is not lodged between the chassis and other metal parts in the receiver.

4. Inspect all protective devices such as non-metallic control knobs, insulation materials, cabinet backs, adjustment and compartment covers or shields, isolation resistor-capacitor networks, mechanical insulators, etc.

5. To be sure that no shock hazard exists, check for leakage current in the following manner.

• Plug the AC cord directly into a 220~240 volt AC outlet.

• Using two clip leads, connect a 1.5k ohm, 10 watt resistor paralleled by a 0.15µF capacitor in series with all exposed metal cabinet parts and a known earth ground, such as electrical conduit or electrical ground connected to an earth ground.

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

SAFETY NOTICE

Many electrical and mechanical parts in LCD color television have special safety-related characteristics. These characteristics are often not evident from visual inspection, nor can protection afforded by them be necessarily increased by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this manual; electrical components having such features are identified by “ ” and shaded areas in the Replacement Parts List and Schematic Diagrams.

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

• Use an AC voltmeter having with 5000 ohm per volt, or higher, sensitivity or measure the AC voltage drop across the resistor.

• Connect the resistor connection to all exposed metal parts having a return to the chassis (antenna, metal cabinet, screw heads, knobs and control shafts, escutcheon, etc.) and measure the AC voltage drop across the resistor. All checks must be repeated with the AC cord plug connection reversed. (If necessary, a nonpolarized adaptor plug must be used only for the purpose of completing these checks.) Any reading of 1.05 V peak (this corresponds to 0.7 mA peak AC.) or more is excessive and indicates a potential shock hazard which must be corrected before returning the monitor to the owner.

DVM

AC SCALE

1.5k ohm 10W

0.15 µF

TEST PROBE

TO EXPOSED METAL PARTS

CONNECT TO KNOWN EARTH GROUND

For continued protection, replacement parts must be identical to those used in the original circuit. The use of a substitute replacement parts which do not have the same safety characteristics as the factory recommended replacement parts shown in this service manual, may create shock, fire or other hazards.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Precautions for using lead-free solder

Using lead-free wire solder

• When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with conventional lead wire solder may cause damage or accident due to cracks. As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40 °C, we recommend you to use a dedicated soldering bit, if you are not familiar with how to obtain lead-free wire solder or soldering bit, contact our service station or service branch in your area.

Soldering

• As the melting point of lead-free solder (Sn-Ag-Cu) is about 220 °C which is higher than the conventional lead solder by 40 °C, and as it has

poor solder wettability, you may be apt to keep the soldering bit in contact with the PWB for extended period of time. However, Since the land may be peeled off or the maximum heat-resistance temperature of parts may be exceeded, remove the bit from the PWB as soon as you confirm the steady soldering condition. Lead-free solder contains more tin, and the end of the soldering bit may be easily corroded. Make sure to turn on and off the power of the bit as required. If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after every use of it. When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.

• Be careful when replacing parts with polarity indication on the PWB silk.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

CHAPTER 1. OPERATION MANUAL

[1] SPECIFICATIONS

Specification

Item

LCD screen size

Number of dots

Video Colour System PAL/SECAM/NTSC 3.58/NTSC 4.43/PAL 60

TV-Standard

TV Function

Audio amplifier 3W × 2 3W × 2 5W × 2 Speaker 30 (H) × 117 (W) × 23 (D) mm 30 (H) × 117 (W) × 23 (D) mm 38 (H) × 164 (W) × 23 (D) mm

Rear

Side

OSD language

Power Requirement AC 220–240 V, 50 Hz Power Consumption

Weight Operating temperature 0°C to + 40°C

• As a part of policy of continuous improvement, SHARP reserves the right to make design and specification change s for product improvement

without prior notice. The performance specification figures indicated are nominal values of production units. There may be some deviations from these values in individual units.

NOTE

• Refer to the inside back cover for dimensional drawings.

• Audio cannot be output through the HDMI terminal.

Receiving Channel

TV-Tuning System Auto Preset 999 ch, Auto Label, Auto Sort STEREO/BILINGUAL NICAM/A2

Antenna UHF/VHF 75 RS-232C D-sub 9 pin male connector SCART SCART (AV input, Y/C input, RGB input, TV output ) PC IN D-sub 15 pin (AV input), Ø 3.5mm jack (Audio input) Component Y/Pb(Cb)/Pr(Cr), RCA pin (L/R) SPDIF OUT Digital audio output AV OUT RCA pin (AV output) HDMI 1 Digital video and audio input C. I. (Common Interface) EN50221, R206001, CI Plus specification AV IN RCA pin (AV input) USB Software update, multi-media play Headphones Ø 3.5mm jack (Audio output) HDMI 2 Digital video and audio input

Analogue CCIR (B/G, I, D/K, L/L’) Digital DVB-T (2K/8K OFDM), DVB-C

VHF/UHF ATV : IRA-E69, DVB-T : E5-E69 CATV S-band, S1–S41ch

19” LCD COLOUR TV, Model: LC-19LE320E

19” diagonal 22” diagonal 26” diagonal 3,147,264 dots

(1366 × 768 × 3 dots)

English, German, French, Italian, Dutch, Spanish, Greek, Portuguese, Swedish, Finnish, Russian, Polish, Turkish, Hungarian, Czech, Slovak, Danish, Norwegian, Estonian, Latvian, Lithuanian, Slovenian, Bulgarian, Croatian, Romanian, Serbian, Ukrainian, Gaelic, Belarussian.

20W (Standby < 0.3W) (Method IEC62087)

3.3kg (Without stand),

3.7kg (With stand)

22” LCD COLOUR TV, Model: LC-22LE320E

6,220,800 dots (1920 × 1080 × 3 dots)

30W (Standby < 0.3W) (Method IEC62087)

4.0kg (Without stand),

4.5kg (With stand)

26” LCD COLOUR TV, Model: LC-26LE320E

3,147,264 dots (1366 × 768 × 3 dots)

45W (Standby < 0.3W) (Method IEC62087)

5.7kg (Without stand),

6.8kg (With stand)

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Item

LCD screen size

Number of dots

Video Colour System PAL/SECAM/NTSC 3.58/NTSC 4.43/PAL 60

TV-Standard

TV Function

Audio amplifier 10W × 2 10W × 2 10W × 2 Speaker 30 (H) × 164 (W) × 32 (D) mm 30 (H) × 164 (W) × 32 (D) mm 30 (H) × 164 (W) × 32 (D) mm

Rear

Side

OSD language

Power Requirement AC 220–240 V, 50 Hz Power Consumption

Weight Operating temperature 0°C to + 40°C

• As a part of policy of continuous improvement, SHARP reserves the right to make design and specification change s for product improvement

without prior notice. The performance specification figures indicated are nominal values of production units. There may be some deviations from these values in individual units.

NOTE

• Refer to the inside back cover for dimensional drawings.

• Audio cannot be output through the HDMI terminal.

Receiving Channel

TV-Tuning System Auto Preset 999 ch, Auto Label, Auto Sort STEREO/BILINGUAL NICAM/A2

Antenna UHF/VHF 75 SCART 1 SCART (AV input, Y/C input, RGB input, TV output )

SCART 2 PC IN D-sub 15 pin (AV input), Ø 3.5mm jack (Audio input)

Component Y/Pb(Cb)/Pr(Cr), RCA pin (L/R) SPDIF OUT Digital audio output AUDIO OUT RCA pin (L/R) HDMI 1 Digital video and audio input HDMI 2 Digital video and audio input RS-232C D-sub 9 pin male connector C. I. (Common Interface) EN50221, R206001, CI Plus specification AV IN RCA pin (AV input) USB Software update, multi-media play Headphones Ø 3.5mm jack (Audio output) HDMI 3 Digital video and audio input

Analogue CCIR (B/G, I, D/K, L/L’) Digital DVB-T (2K/8K OFDM), DVB-C

VHF/UHF ATV : IRA-E69, DVB-T : E5-E69 CATV S-band, S1–S41ch

32” LCD COLOUR TV, Model: LC-32LE320E

32” diagonal 37” diagonal 42” diagonal 6,220,800 dots

(1920 × 1080 × 3 dots)

SCART (AV input, Y/C input, monitor output [analogue source - ATV, SCART 1, SIDE AV; digital source - DTV] )

English, German, French, Italian, Dutch, Spanish, Greek, Portuguese, Swedish, Finnish, Russian, Polish, Turkish, Hungarian, Czech, Slovak, Danish, Norwegian, Estonian, Latvian, Lithuanian, Slovenian, Bulgarian, Croatian, Romanian, Serbian, Ukrainian, Gaelic,Belarussian.

90W (Standby < 0.3W) (Method IEC62087)

8.8 kg (Without stand),

10.1 kg (With stand)

37” LCD COLOUR TV, Model: LC-37LE320E

6,220,800 dots (1920 × 1080 × 3 dots)

95W (Standby < 0.3W) (Method IEC62087)

11.1 kg (Without stand),

13.1 kg (With stand)

42” LCD COLOUR TV, Model: LC-42LE320E

6,220,800 dots (1920 × 1080 × 3 dots)

115W (Standby < 0.3W) (Method IEC62087)

14.1 kg (Without stand),

16.2 kg (With stand)

2008-03-14

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

[2] OPERATION MANUAL

Remote control unit

(POWER) Press to turn the LCD TV on or enter standby mode.

(INPUT SOURCE)

Select an input source.

0-9 DIGIT BUTTONS

To select a TV channel directly.

EPG

Press this button to display electronic programme guide when watching digital channels.

PRE PR

To display the previous selected TV channel.

DTV/ATV

Press this button to switch between ATV and DTV channels.

PR LIST

Press to display a list of channels. Then press Red button to select the digital or analogue channel list.(Only available when your input source is TV).

ECO

Press this button to set the picture with less brightness for saving energy.

Display programme information, if available.

(+/-)

Press to adjust the volume.

Press to toggle audio on and off. You can also press level.

Select picture format to Auto /Normal / Zoom

1/ Zoom 2 /Wide. P (

Press to select the channel.

DUAL

Select MONO / STEREO / DUAL 1 / DUAL 2 for ATV channel. Select Audio language for DTV channel.

AUDIO (ADJ)

Press to set the LCD TV to a predefined sound setting.

Personal / Music / Speech

(+/-) to restore the previous volume

(Picture format)

)

VIDEO (ADJ)

Press to set the LCD TV to a predefined picture setting.

Personal / Standard / Vivid / Movie / Eco SLEEP

Press to turn the LCD TV off within an amount of time. (10 ~ 120 minutes.)

Press ooep to navigate and confirm your selection.

OK

Press to activate a setting.

MENU

Press to activate the LCD TV OSD.

EXIT

Press to exit the LCD TV OSD or return to the previous layer.

R/G/Y/B (COLOUR BUTTON)

Press buttons to select the pictures with various colours of text. Different channels display different functions.

TELETEXT

Press this button to activate Teletext. Press again to activate Teletext with TV. Press again to turn off Teletext.

SUBTITLE

For DTV, press this button to toggle off / between available subtitle languages. For ATV, press this button to toggle off / between available subtitle pages in Teletext.

SIZE

Press this button to change the font size: Full screen, Top half and Bottom half.

SUBPAGE

To select the subpage when the current page contains subpage(s).

INDEX

Press this button to return to page 100 or the index page; and then press 0 to 9. The teletext page will be numbered and added to the page you select or the secondary item.

HOLD

Press this button to stop the scrolling of pages. The text decoder stops receiving data.

REVEAL

Reveal hidden information such as answers to a quiz.

FREEZE

Press to freeze a moving image on the screen. (Only available when your input source is TV). Scart output signal will also be frozen when you are watching digital channels.

In USB mode:

(You need to programme the setting with remote control to control connected devices.)

Press to skip back to the previous title or track.

Press to stop playback.

Press to start/pause playback. Caution: Do not freeze the video image for long periods of time. You may damage the TV screen.

Press to skip forward to the next title or track.

6

TV (Front view)

TV (Rear view)

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

2008-03-14

7

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Preparation

Attaching/Detaching the Stand

• Before attaching (or detaching) the stand, unplug the AC cord from the AC INPUT terminal.

• Before performing work spread cushioning over the base area to lay the TV on. This will prevent it from Being damaged.

CAUTION:

• Attach the stand in the correct direction.

• Be sure to follow the instructions. Incorrect installation of the stand may result in the TV falling over.

1. Put the TV face down on a safe surface

that is covered by a soft and smooth cloth.

2. Adjust the TV stand to the bottom of the TV.

3. Fasten the screws by using a cross-head screwdriver(Not supplied). CAUTION:

• Do not push to hard or put excessive pressure to the stand neck to avoid the damages when you turn the TV for the most comfortable viewing angle. NOTE:

To detach the TV stand, perform the steps in reverse order.

Wall mounting

TV screen size(Inches)

19” 75 x 75 mm Metric 4 x 10 mm 22” 75 x 75 mm Metric 4 x 10 mm 26” 75 x 75 mm Metric 4 x 10 mm 32” 200 x 100 mm Metric 6 x 10 mm 37” 200 x 200 mm Metric 6 x 10 mm 42” 200 x 200 mm Metric 6 x 10 mm

NOTE

• At the time of purchasing wall bracket, please check if there is enough space between the wall bracket and TV terminals for the terminal connection.

VESAcompatible wall bracket(millimeters) (W x H)

Screw type

Installing Batteries in the Remote Control Unit

1. Insert two AAA batteries into Remote control. Make sure (+) and (-) are facing the proper direction.

2. Replace the cover

NOTE

• If the remote control will not to be used for a long time, remove the batteries to avoid remote control

damage.

CAUTION:

Improper use of batteries can result in chemical leakage or explosion. Be sure to follow the instructions below.

• Do not mix batteries of different types. Different types of batteries have different characteristics.

• Do not mix old and new batteries. Mixing old and new batteries can shorten the life of new batteries or cause chemical leakage in old batteries.

• Remove batteries as soon as they are worn out. Chemicals that leak from batteries come in contact with skin can cause a rash. If you find any chemical

leakage, wipe thoroughly with a cloth.

• The batteries supplied with this product may have a shorter life expectancy due to storage conditions.

8

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

• If you will not be using the remote control unit for an extended period of time, remove batteries from it.

Note on disposing batteries:

The batteries provided contain no harmful materials such as cadmium, lead or mercury. Regulations concerning used batteries stipulate that batteries may no longer be thrown out with the household rubbish. Deposit any used batteries free of charge into the designated collection containers set up at commercial businesses.

Installing Batteries in the Remote Control Unit

Use the remote control unit by pointing it towards the remote control sensor. Objects between the remote control unit and sensor may prevent proper operation.

2008-03-14

9

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Appendix

troubleshooting

problem possible Solution

No picture 1. Connect power cord correctly.

Abnormal colours Connect signal cable correctly. Twisted picture 1. Connect signal cable correctly.

Picture too dark Adjust brightness and contrast. Audio only, no images 1. Please check if input signal is connected correctly.

Picture only, no audio 1. Connect signal cable correctly.

Cannot use remote control 1. Please change battery. Cannot receive sufficient channels through

antenna No colour Please adjust the colour setup. Blinking picture accompanied by ghost image 1. Check the connection of antenna/signal cable.

Broken lines or segments Adjust antenna. Certain TV channels are blocked(Hope to

acquire some channels) Overlapping images or ghost images Please use multi-directional outdoor antenna.(If your TV is subject to the influence of nearby mountains or

Cannot use a function If the item you choose turns gray, that item cannot be selected. Cannot receive programmes Please use the Update Scan method to add the channels not included in memory.

2. Turn on power.

3. Connect signal cable correctly.

4. Press any button on the LCD TV.

2. Please use compatible signal.

2. TV-RF signal must not be lower than 50dB.

2. Adjust volume to proper level.

3. Connect audio signal cable correctly.

4. TV-RF signal must not be lower than 50dB.

2. Turn off power for 10 seconds; and then restart power. Please use the Channel Scan function to increase the number of channels not included in memory.

2. Check if channel is in play mode.

3. Press signal source and change input mode. Keep the TV away from noise sources, such as automobiles, neon lights, and hair dryers.

Please use the Update Scan method to add the channels not included in memory.

buildings).

10

[3] DIMENSIONS

Dimension

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2008-03-14

[[ ]]: 32" { } : 37" {{ }} : 42"

11

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

CHAPTER 2. REMOVING OF MAJOR PARTS

[1] REMOVING OF MAJOR PARTS(LC-19LE320)

1. Assy/Panel Removal

Notes: Please put your machine on soft material to avoid to scrape panel when you disassemble it. Front view

Fig.1

Back view

Fig.2

Step 1. Remove the Base Assy and Base neck.

1. Remove the Base Assy as Fig.3. Remove the 3 screws as Fig.3 and pull out the base as Fig.4

Fig.3

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.4

2. Remove the 4 screws. Detach the Base neck as Fig.4.

Step 2. Remove the REAR COVER Assy.

1. Remove the 7 screws. Detach the REAR COVER as Fig.5.

Fig.5

Note: How to easy remove rear cabinet

Put left hand on the center of rear cabinet

Right hand fingers put under the machine rim

Press down

Pull up Pull up

Step 3. Remove the Main, Power, Convert board and the Speakers.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.6

1. Remove the 5 screws and disconnect 3 cables except the LVDS cable, the move the main board out from the side I/O BKT, then move down the main board a little, now disconnect the LVDS from the panel firstly, then disconnect the LVDS from the main board. Detach the Main board as Fig.7 and Fig.8.

Note: Please disconnect the LVDS cable from the panel firstly, then disconnect the LVDS from the main board. If you disconnect the LVDS cable with the Main board firstly, maybe the panel connector will be damaged because of the short LVDS cable.

Fig.7 Fig.8

2. Remove the 4 screws and disconnect 2 cables. Detach the Power board as Fig.9.

Note: Move the AC port left from the Main frame assy, then disconnect the AC cable from the power board.

Fig.9

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

3. Remove the 2 screws and disconnect 1 cables. Detach the Convert board as Fig.10.

Fig.10

4. Release the speaker cable from its clamp, pull up and remove the speaker as Fig.11.

Fig.11

Step 4. Remove the Bracket and Bezel.

1. Remove the 9 screws. Detach the Bracket and panel as Fig.12.

Fig.12

2. Remove the 4 screws. Detach the Main frame as Fig.13. Disconnect the one FFC cable from the panel as Fig.14

2008-03-14

Fig.13 Fig.14

15

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Panel:

Fig.15

Step 5. Remove the IR and Key board.

1. Remove the 2 screws and disconnect 2 cables. Detach the IR board as Fig.16.

Fig.16

2. Disconnect 1 cable. Detach the Key board as Fig.17.

Fig.17

2. Set Re-assembly

To re-assemble the whole set, execute all processes in reverse order. Notes: a. While re-assembling, make sure that all cables are placed and connected in their original position. b. Pay special attention not to damage the EMC foams at the SSB shielding. Check that EMC foams are put correctly on their places.

16

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

REMOVING OF MAJOR PARTS(LC-22LE320)

1. Assy/Panel Removal

Notes: Please put your machine on soft material to avoid to scrape panel when you disassemble it. Front view

Fig.1

Back view

Fig.2

Step 1. Remove the Base Assy and Base neck.

1. Remove the Base Assy as Fig.3. Remove the 3 screws as Fig.3 and pull out the base as Fig.4

Fig.3

2008-03-14

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.4

2. Remove the 4 screws. Detach the Base neck as Fig.4.

Step 2. Remove the REAR COVER Assy.

1. Remove the 7 screws. Detach the REAR COVER as Fig.5.

Fig.5

Note: How to easy remove rear cabinet

Put left hand on the center of rear cabinet

Right hand fingers put under the machine rim

Press down

Pull up Pull up

Step 3. Remove the Main, Power, Convert board and the Speakers.

18

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.6

1. Remove the 5 screws and disconnect 4 cables. Detach the Main board as Fig.7 and Fig.8.

Note: Please disconnect the LVDS cable from the panel firstly, then disconnect the LVDS from the main board. If you disconnect the LVDS cable with the Main board firstly, maybe the panel connector will be damaged because of the short LVDS cable.

Fig.7 Fig.8

2. Remove the 4 screws and disconnect 3 cables. Detach the Power board as Fig.9.

Note: Move the AC port left from the Main frame assy, then disconnect the AC cable from the power board.

2008-03-14

Fig.9

19

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

3. Remove the 2 screws and disconnect 2 cables. Detach the Convert board as Fig.10.

Fig.10

4. Release the speaker cable from its clamp, pull up and remove the speaker as Fig.11.

Fig.11

Step 4. Remove the Bracket and Bezel.

1. Remove the 5 screws. Detach the Bracket and panel as Fig.12.

Fig.12

2. Remove the 4 screws. Detach the Main frame as Fig.13. Disconnect the two FFC cables from the panel as Fig.14

Fig.13 Fig.14

Panel:

20

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.15

Step 5. Remove the IR and Key board.

1. Remove the 2 screws and disconnect 2 cables. Detach the IR board as Fig.16.

Fig.16

2. Disconnect 1 cable. Detach the Key board as Fig.17.

Fig.17

2. Set Re-assembly

To re-assemble the whole set, execute all processes in reverse order. Notes: a. While re-assembling, make sure that all cables are placed and connected in their original position. b. Pay special attention not to damage the EMC foams at the SSB shielding. Check that EMC foams are put correctly on their places.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

REMOVING OF MAJOR PARTS(LC-26LE320)

1. Assy/Panel Removal

Notes: Please put your machine on soft material to avoid to scrape panel when you disassemble it. Front view

Fig.1

Back view

Fig.2

Step 1. Remove the Base Assy and Base neck.

1. Remove the Base Assy as Fig.3. Remove the 4 screws as Fig.3 and pull out the base as Fig.4

Fig.3

2. Remove the 4 screws. Detach the Base neck as Fig.4.

22

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.4

Step 2. Remove the REAR COVER Assy.

1. Remove the 10 screws. Detach the REAR COVER as Fig.5.

Fig.5

Note: How to easy remove rear cabinet

Step 3. Remove the Main, Power board and the Speakers.

2008-03-14

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.6

1. Remove the 7 screws and disconnect 4 cables. Detach the Main board as Fig.7 and Fig.8.

Fig.7 Fig.8

2. Remove the 4 screws and disconnect 2 cables. Detach the Power board as Fig.9.

Note: Move the AC port left from the Main frame assy, then disconnect the AC cable from the power board.

Fig.9

3. Release the speaker cable from its clamp, pull up and remove the speaker as Fig.10.

24

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.10

Step 4. Remove the Bracket and Bezel.

1. Remove the 6 screws. Detach the Bracket as Fig.11.

Fig.11

2. Remove the panel from the bezel as Fig.12

Panel:

Fig.12

Step 5. Remove the IR and Key board.

1. Disconnect 2 cables, then release the clips. Detach the IR board as Fig.13.

Fig.13

2. Disconnect 1 cable. Detach the Key board as Fig.17.

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Fig.17

25

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

2. Set Re-assembly

To re-assemble the whole set, execute all processes in reverse order. Notes: a. While re-assembling, make sure that all cables are placed and connected in their original position. b. Pay special attention not to damage the EMC foams at the SSB shielding. Check that EMC foams are put correctly on their places.

26

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

REMOVING OF MAJOR PARTS(LC-32LE320)

1. Assy/Panel Removal

Notes: Please put your machine on soft material to avoid to scrape panel when you disassemble it. Front view

Fig.1

Back view

Fig.2

Step 1. Remove the Base Assy and Base neck.

1. Remove the Base Assy as Fig.3. Remove the 4 screws as Fig.3 and pull out the base as Fig.4

Fig.3

2. Remove the 4 screws. Detach the Base neck as Fig.4.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.4

Step 2. Remove the REAR COVER Assy.

1. Remove the 12 screws. Detach the REAR COVER as Fig.5.

Fig.5

Step 3. Remove the Main, RS232, Power and MEMC board.

Fig.6

1. Remove the 8 screws and disconnect 8 cables. Detach the Main and RS232 boards as Fig.7 and Fig.8.

RS232 board

Main board

□

Fig.7 Fig.8

2. Remove the 6 screws and disconnect 3 cables. Detach the Power board as Fig.9.

28

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Note: Move the AC port left from the Bracket, then disconnect the AC cable from the power board.

Fig.9

3. Remove the 4 screws and disconnect 4 cables. Detach the MEMC board as Fig.10.

Note: Please disconnect the LVDS cables with the panel firstly, then disconnect the LVDS with the MEMC board as Fig.11. If you disconnect the LVDS cables with the MEMC board firstly, maybe the panel connector will be damaged because of the short LVDS cables.

Fig.10 Fig.11

Step 4. Remove the Bracket, Speakers and Bezel.

1. Remove the 16 screws. Detach the Bracket and Bracket screws as Fig.12.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.12

2. Release the speaker cable from its clamp, pull up and remove the speaker as Fig.13.

Fig.13

3. Remove the 8 screws to detach the panel bracket from the bezel.Then take out of the panel from the bezel as Fig.14.

Panel:

Fig.14

Step 5. Remove the IR and Key board.

1. Disconnect 2 cables, then release the clips. Detach the IR board as Fig.15.

30

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.15

2. Disconnect 1 cable. Detach the Key board as Fig.17.

Fig.17

2. Set Re-assembly

To re-assemble the whole set, execute all processes in reverse order. Notes: a. While re-assembling, make sure that all cables are placed and connected in their original position. b. Pay special attention not to damage the EMC foams at the SSB shielding. Check that EMC foams are put correctly on their places.

2008-03-14

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

REMOVING OF MAJOR PARTS(LC-37LE320)

1. Assy/Panel Removal

Notes: Please put your machine on soft material to avoid to scrape panel when you disassemble it. Front view

Fig.1

Back view

Fig.2

Step 1. Remove the Base Assy and Base neck.

1. Remove the Base Assy as Fig.3. Remove the 4 screws as Fig.3 and pull out the base as Fig.4

Fig.3

2. Remove the 4 screws. Detach the Base neck as Fig.4.

32

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.4

Step 2. Remove the REAR COVER Assy.

1. Remove the 17 screws. Detach the REAR COVER as Fig.5.

Fig.5

Step 3. Remove the Main, RS232, Power and MEMC board.

Fig.6

1. Remove the 8 screws and disconnect 8 cables. Detach the Main and RS232 boards as Fig.7 and Fig.8.

RS232 board

Main board

□

Fig.7 Fig.8

2. Remove the 6 screws and disconnect 3 cables. Detach the Power board as Fig.9.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Note: Move the AC port left from the Bracket, then disconnect the AC cable from the power board.

Fig.9

3. Remove the 4 screws and disconnect 4 cables. Detach the MEMC board as Fig.10.

Note: Please disconnect the LVDS cables with the panel firstly, then disconnect the LVDS with the MEMC board as Fig.11. If you disconnect the LVDS cables with the MEMC board firstly, maybe the panel connector will be damaged because of the short LVDS cables.

Fig.10 Fig.11

Step 4. Remove the Bracket, Speakers and Bezel.

1. Remove the 66 screws. Detach the base support as Fig.12.

34

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.12

2. Release the speaker cable from its clamp, pull up and remove the speaker as Fig.13.

Fig.13

3. Remove the 22 screws to detach the Bracket and Bracket screws. Then take out of the panel from the bezel as Fig.14.

Panel:

Fig.14

Step 5. Remove the IR and Key board.

1. Disconnect 2 cables, then release the clips. Detach the IR board as Fig.15.

2008-03-14

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Fig.15

2. Disconnect 1 cable. Detach the Key board as Fig.17.

Fig.17

2. Set Re-assembly

To re-assemble the whole set, execute all processes in reverse order. Notes: a. While re-assembling, make sure that all cables are placed and connected in their original position. b. Pay special attention not to damage the EMC foams at the SSB shielding. Check that EMC foams are put correctly on their places.

36

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

CHAPTER 3. ADJUSTMENT PROCEDURE

PROCEDURE

[1] ADJUSTMENT PROCEDURE

1. OSD Menu

2K10 Sharp DVB OSD tree-Video

OSD Layer 1

Picture

Sound

2 3 4 5 6 Note

Personal Standard

Smart Picture

Brightness slider All Contrast slider All Color slider All Tint slider All Sharpness slider All

Color Temperature

Advanced Control(have sub page)

Sound Mode

Equilizer 120Hz slider All Equilizer 500Hz slider All Equilizer 1.5KHz slider All Equilizer 5KHz slider All Equilizer 10KHz slider All Balance slider All

Virtual Surround

Digital Audio Out

SPDIF Delay

2008-03-14

Vivid Movie Eco

Normal (default) All Cool All Warm All

Noise Reduction

Flesh Tone

Back Light(if DCR is Off)

DCR

Personal Music Speech

On All Off All PCM All Off All Dolby Digital All slider(from 0 to 250,

interval of 10 between two items)

Model

All All All All All

Off All Low All Medium All HIGH All Auto All On All Off All slider All On All Off All

All All All

All

37

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

AVL

Type(if source is DTV)

Off All On All Normal All Hard of Hearing All Audio Description All

TV

Audio Description(if Type=Audio Description)

Tuner Mode

Country(30)

1st Audio(28)(DTV only)

Volume slider

Antenna Cable UK Italy Luxembourg Netherlands Norway Sweden Croatia Hungary Ireland Poland Portugal Romania Serbia Slovakia Slovenia Turkey Iceland Russia Ukraine Austria Belgium Bulgaria Switzerland Czech Republic Germany Greece Denmark Spain Finland France English Finnish French Gaelic Galician German Greek

All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All

All All

All

38

2nd Audio(28)(DTV only)

2008-03-14

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Hungarian Italian Norwegian Polish Portuguese Romanian Russian Serbian Slovak Slovenian Spanish Swedish Turkish Welsh Basque Bulgarian Catalan Croatian Czech Danish Dutch English Finnish French Gaelic Galician German Greek Hungarian Italian Norwegian Polish Portuguese Romanian Russian Serbian Slovak Slovenian Spanish Swedish Turkish Welsh Basque Bulgarian Catalan Croatian Czech Danish Dutch

All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All All

39

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Audio Carrier(ATV only)

Channels(have sub page)

Features Menu Language(28)

Mono Stereo Dual I Dual II

Channel Scan

Update Scan

Single RF Scan

Analog Manual Scan

Channel Skip(have sub page)

Channel Sort(have sub page)

Channel Edit(have sub page)

Decoder(for ATV) (Channel munber…) All Analog Ch Fine

Tune English

Deutsch Français Italiano Español Português Nederlands  Dansk Suomi Svenska Norsk Polski

 esky

All All All All

ATV

ATV and DTV( if Antenna mode)

Digital channels: All ATV and DTV( if

Cable mode)

Frequency(KHz) All

Scan

Digital channels: All

Status: scanning… All Analogue channels: All Digital channels: All RF Channel .. slider All Signal Strength.. All Signal Quailty.. All Start Frequency xxMHz All Scan Up All Scan Down All

(Channel munber…) All

(Channel munber…) (have sub page)

All All All All All All All All All All All All All All All

Status: scanning…

Analogue channels:

Status: scanning…

Analogue channels:

Scan Mode Full/Advance All (if Advance mode

select)

(do fine tune) All

All All All All

Modulation =>Auto/16/32/64/ 128/256 QAM

Symbol Rate(Ksym/s)

Network ID All Status:

scanning… Analogue

channels:

All

All All

40

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Hrvatski Magyar Român Slovenský Slovenšina Srpski Türkçe  Gaeilge Latviski Eesti Lietuviskai ykpaiHcbka

4:3 mode

Picture Format(if video exist)

Time (have sub page ) Time Zone

4:3 16:9 Auto Normal Zoom1 Zoom2 Wide

2008-03-14

All All All All All All All All All All All All All All All All All All All All

As Broadcaster All GMT +0:00 All GMT +1:00 All GMT +2:00 All GMT +3:00 All GMT +3:30 All GMT +4:00 All GMT +4:30 All GMT +5:00 All GMT +5:30 All GMT +5:45 All GMT +6:00 All GMT +6:30 All GMT +7:00 All GMT +8:00 All GMT +9:00 All GMT +9:30 All GMT +10:00 All GMT +11:00 All GMT +12:00 All GMT +12:45 All GMT +13:00 All GMT -12:00 All GMT -11:00 All GMT -10:00 All GMT -9:00 All GMT -8:00 All GMT -7:00 All GMT -6:00 All

41

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

GMT -5:00 All GMT -4:00 All GMT -3:30 All GMT -3:00 All GMT -2:00 All GMT -1:00 All

SCART(have sub page) (Only availabe in SCART source)

Subtitle(have sub page)

Time(have sub page)

Sleep Timer

SCART1

SCART2(If have I/O)

Analog Subtitle

1st Subtitle(28)

Auto synchronization ( On/Off)

Date ( 20xx/x x/xx ) All Time ( xx:xx:xx) All Timer (Off/On) All Off Time ( xx:xx:xx) All Off All 10 Min All 20 Min All 30 Min All 40 Min All 50 Min All 60 Min All 90 Min All 120 Min All Auto All Mixed All RGB All Composite All S-Video All Auto All Composite All S-Video All On All On during mute All Off All

English

Finnish

French

Gaelic

Galician

German

Greek

Hungarian

Italian

Norwegian

Polish

Portuguese

Romanian

Russian

Serbian

Slovak

All

42

Teletext Language(have sub page)

2008-03-14

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

2nd Subtitle(28)

Subtitle Type

Digital Teletext Lang.

Slovenian

Spanish

Swedish

Turkish

Welsh

Off

Basque

Bulgarian

Catalan

Croatian

Czech

Danish

Dutch

English Finnish French Gaelic Galician German Greek Hungarian Italian Norwegian Polish Portuguese

Romanian

Russian Serbian Slovak Slovenian Spanish Swedish Turkish Welsh Off Basque Bulgarian Catalan Croatian Czech Danish Dutch

Normal All Hearing Impaired All English All Spanish All French All German All

All

All All All All All All All All All All All All

All

All All

All All All All All All All All All All All All All All All

43

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Italian All Danish All Swedish All Basque All Bulgarian All Catalan All Croatian All Czech All Dutch All Finnish All Gaelic All Galician All Greek All Hungarian All Norwegian All Polish All Portuguese All Romanian All Russian All Serbian All Slovak All Slovenian All Turkish All Welsh All WEST EUR All EAST EUR All Russia All Russia-2 All

Common Interface(have sub page)

HDMI Scan Info (Only available in HDMI source)

Reset Default All SW Ver. All

Parental Password(have sub page)

Decode Page Lang.

(display some info & status..)

Automatic All Underscan All Overscan All

Channel Block(have sub page)

Parental Guidance(have sub page)

Greek All Turkey All Arab/Hbrw All Farsian All Arab All

All

(Channel munber…) All Age Rating

18 All None All 4 All 5 All 6 All 7 All 8 All 9 All 10 All

44

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

11 All 12 All 13 All 14 All 15 All 16 All 17 All

Input Block(have sub page)

Set password (have sub page)

Clear All All

Off All

Eco

On All

(Source list..) (TV,YPbPr,AV,SCAR T,PC,HDMI)

New Password (xxxx) All

Confirm Password (xxxx)

All

2K10 Sharp DVB OSD tree--PC

OSD Layer 1 2 3 4 5 6 Note

Brightness slider All Contrast slider All

Normal (default) All

Color Temperature

Picture

Advanced Video(have sub page)

Audio Mode

Equilizer 120Hz slider All Equilizer 500Hz slider All Equilizer 1.5KHz slider All Equilizer 5KHz slider All Equilizer 10KHz slider All

Sound

Features Menu Language(28)

Balance slider All Virtual Surround

Digital Audio Out

SPDIF Delay

AVL

2008-03-14

Cool All Warm All Auto Config Auto Config All Horizontal slider All Vertical slider All Phase slider All Clock slider All

Resolution(if ambiguous timings)

Personal Music Speech

On All Off All PCM All Off All Dolby Digital All slider(from 0 to 250,

interval of 10 between two items)

Off All On All English Deutsch Français Italiano Español Português Nederlands  Dansk Suomi Svenska Norsk Polski

1360*768 All 1024*768 All 1280*768 All

All All All

All

All All All All All All All All All All All All All

Model

45

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Picture Format

Reset Default SW Ver. All

Parental Password(have sub page)

 esky

Hrvatski Magyar Român Slovenský Slovenšina Srpski Türkçe  Gaeilge Latviski Eesti Lietuviskai ykpaiHcbka

Full screen Native ( if is native

timing) 4:3

Parental Guidance(have sub page)

All All All All All All All All All All All All All All All All

All All

All

18 All None All 4 All 5 All 6 All 7 All 8 All

Age Rating

9 All 10 All 11 All 12 All 13 All 14 All 15 All 16 All 17 All

(Source list..) (TV,YPbPr,AV,SCAR T,PC,HDMI)

New Password (xxxx) All

Confirm Password (xxxx)

All

Eco

Input Block(have sub page)

Set password (have sub page)

Clear All All

Off All On All

46

2. Display adjustment

YPbPr Mode display adjustment

1 Auto color for signal slicering

1.1 General set-up Equipment Requirements:

Knoica Minolta CS-200

Input requirements: Input signal type: YPbPr signal

1. 1080i/25mode, TVBar100 pattern by QuantumData 881.

2. Select Picture mode to “Personal” mode and adjust the x, y data.

Input Signal Strength: 1 Vpp for Y signal ; 700 mVpp for Pb & Pr signal Input Injection Point: YPbPr (RAC jack) 1080i/25, TVBar100 pattern

or equivalent instrument. Quantum Data Pattern Generator 881 or equivalent instrument.

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Alignment method:

Initial Set-up:

1. Select source as “YPbPr”.

2. Set Smart Picture mode as “Personal” and then adjust Contrast = 58, Brightness=48, Color=58, set Color Temp. to be “cool” mode.

3. Apply “TVBar100” pattern which is color bar pattern by signal generator.

4. Enter “factory mode menu”: press MENU + Numeric keys “1999”

Alignment:

1. At factory mode menu, select AUTO_COLOR item. Then press “OK” key of remote control to adjust ADC_GAIN_R, ADC_GAIN_G, ADC_GAIN_B and ADC_OFFSET_R, ADC_OFFSET_G, ADC_OFFSET_B. Then store those values to NVM.

2. Check the 16 grayscale pattern should be distinguished and color bar is correct

3. Reset AV setting, picture mode shall be recalled to be “Vivid” and Contrast=58, Brightness=48; Color=58. Note:

Sharp EU 2k10 models have no need to operate “AUTO_COLOR” function, due to EFUSE is set “Disable” within NVM for defult. These ADC values will be produced by Main chip (MT5363) interal defination.

White balance adjustment

Alignment method:

Initial Set-up:

1. Select source as “YPbPr”.

2. Set Contrast = 58 and Brightness=48, Color=58, at normal menu mode.

3. Apply “80% white pattern or Flat 80 pattern by Component video generator.

4. Enter factory mode menu: press MENU + Numeric keys 1999”.

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47

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Alignment:

1. Apply Flat80 pattern (80% white pattern).

2. Set color temperature to “NORMAL”.

3. At factory mode menu, adjust the Scaler R Gain below. Then store those values to NVM

4. Set color temperature to “COOL”.

5. At factory mode menu, adjust the Scaler R Gain Then store those values to NVM

6. Set color temperature to “WARM”.

7. At factory mode menu, adjust the Scaler R Gain below. Then store those values to NVM Color temperature Normal/Warm/Cool (x, y) co-ordinates specification: `

Picture Mode x y Normal (9000K) 0.289±0.003 0.291±0.003

Cool (12000K) 0.272±0.003 0.277±0.003 Warm (6500K) 0.314±0.003 0.319±0.003

Table 5: Reading with Knoica Minolta CS-200

Note:

1. Use Knoica Minolta CS-200

for color coordinates and luminance check.

2. For suitable mass production at factory, colour analyzers CA-210 can be applied. But, befor measureing ,all CA-210 should be

coordinates and proofread with a Charoma Meter (CS-200) or equivalent instrument and a reference TV set.

3. Check the luminance at the center of the screen with 100% White. And to set Brightness control at 100; Contrast control at 100.

2

Luminance > 200cd/m > 200 cd/m > 400 cd/m > 450 cd/m > TBD cd/m

> TBD cd/m

4. The defult values of Scaler R Gain

(Typ.) [ For LC-19LE320E/RU only at color temp.- *warm mode ]

2

(Typ.) [ For LC-22LE320E/RU only at color temp.- *warm mode ]

2

(Typ.) [ For LC-262LE320E/RU only at color temp.- cool mode ]

2

(Typ.) [ For LC-32LE320E/RU only at color temp.- cool mode ]

2

(Typ.) [ For LC-37LE320E/RU only at color temp.- cool mode ]

2

(Typ.) [ For LC-42LE320E/RU only at color temp.- cool mode ]

, Scaler G Gain, Scaler B Gain are all 128. When panel WD is made adjustment, the three values

could not be over 128. That is preventing color saturation after adjusting Contrast and Brithness setting at main menu.

PC mode display adjustment

1. Display quality adjustment

Use timing mode as describe in 2.2, and use the POPO (pixel on pixel off) pattern to adjust the clock until no stripe and adjust the phase until clear picture.(“Auto” will be done every time switching to PC mode and mode change) Check all preset 7 modes.

2. Auto color for signal slicering (B)

2.1 General set-up

Equipment Requirements:

Knoica Minolta CS-200

Input requirements: Input Signal Type: PC VGA signal

1. 1024X7684/60Hz PC mode with ”5 white block” pattern. (see pattern-1) Input Signal Strength:

0.7 Vp-p linear voltage. Input Injection Point: PC D-SUB input

or Equivalent Color analyzer. Chroma 2250 or equivalent PC signal generator.

, Scaler G Gain, Scaler B Gain values to meet “NORMAL” color coordinates specification

, Scaler G Gain, Scaler B Gain values to meet “COOL” color coordinates specification below.

, Scaler G Gain, Scaler B Gain values to meet “WARM” color coordinates specification

.

48

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

Pattern-1

Alignment method:

Initial Set-up:

1. Select source as “PC”.

2. Set Contrast = 58 (Sharp) and Brightness=100 (Sharp) , at normal menu mode.

3. Apply “5 white block”(pattern-1) pattern by VGA pattern generator.

4. Enter factory mode menu: press MENU + Numeric keys “1999” (factory mode menu).

Alignment:

At factory mode menu, select AUTO_COLOR item. Then press “OK” key to adjust ADC_GAIN_R, ADC_GAIN_G, ADC_GAIN_B and ADC_OFFSET_R, ADC_OFFSET_G, ADC_OFFSET_B. Then store those values to NVM. Set Contrast = 100 (Sharp) and Brightness=100 (Sharp) Check color temperature specification with PC mode. Color temperature Normal/Warm/Cool (x, y) co-ordinates specification:

Table 5: Reading with Knoica Minolta CS-200

Note:

1. Use Knoica Minolta CS-200

2. For suitable mass production at factory, colour analyzers CA-210 can be applied. But, befor measureing ,all CA-210 should be coordinates and proofread with a Charoma Meter (CS-200) or equivalent instrument and a reference TV set.

3. Check the luminance in the center of the screen with 100% White. And to Brightness control at 100; Contrast control at 100 Luminance > 200 cd/m > 200 cd/m > 360 cd/m > 360 cd/m > 360 cd/m2 (Typ.) [ For LC-37LE320E/RU only at color temp.- cool mode ] > 360 cd/m2 (Typ.) [ For LC-42LE320E/RU only at color temp.- cool mode ]

Picture Mode x y Cool (12000K) 0.272±0.010 0.277±0.010

Normal (9000K) 0.289±0.015 0.291±0.015 Warm (6500K) 0.314±0.015 0.319±0.015

.

. for color coordinates and luminance check.

2

(Typ.) [ For LC-19LE320E/RU only at color temp.- *warm mode ]

2

(Typ.) [ For LC-22LE320E/RU only at color temp.-*warm mode ]

2

(Typ.) [ For LC-26LE320E/RU only at color temp.- cool mode ]

2

(Typ.) [ For LC-32LE320E/RU only at color temp.- cool mode ]

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

[2] SERVICE MODE

Enter factory mode menu: press MENU + Numeric keys “1999” to enter factory mode.

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[3] SOFTWARE UPGRADE PROCEDURE

Flow chart Step Photo Remark

Sharp model Firmware upgrade SOP by USB flash drives

1. Equipment and warm-up

2.Upgrade step

1、USB flash drives(need USB2.0) 2、Upgrade firmware 1、 Copy the firmware from your computer to the USB flash drives. 2、Change firmware name to upgrade.pkg

3、AC ON（Figure3.1、Figure3.2）

4、Plug the USB flash drives into the USB port (service port) on the side I/O port of TV.(Figure 3.3)

Need USB2.0

Please check the firmware name

(3.1)

(3.2)

again before rework.

(3.3)

5、DC ON（You can use Keypad or Remote control power key） 6、When display Upgrade MENU (Figure 3.4), select “Yes” by remote control to implement update

firmware

7、When finished upgrade 100%,Please remove the USB flash drives then press “Power” to renew the TV(Figure3.5)

8、Press “MENU”+1999 to enter factory Menu by remote control. Then select “2.Main MCU Ver” to check upgrade firmware Version(Figure3.6)

9、Implement “Exit” Icon to exit factory Menu . After exit factory mode, pls power off then turn off the AC

power. congratulation, upgrade step is finish.

If there is no display upgrade MENU,can you DC ON/OFF once more

(3.4)

(3.5)

(3.6)

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CHAPTER 4. TROUBLESHOOTING TABLE

[1] 19” TROUBLESHOOTING TABLE

Power unit operation check.



Are the power cord and harness in the unit properly connected?

LINE_FILTER_UNIT:  YES

Is F901 F902 normal?

POWER_UNIT

Is BD901 (+320V) output?

YES

Is a voltage of +5.3V applied to pin (4,5) of connector (CN902)?

YES

Is a voltage of +16V applied to pin (9,10) of connector (CN902)?

NO

Connect the power cord and harness properl y, and turn on the

ower.

LINE_FILTER_UNIT: Isn't C908, RV901, L902, C900, C901, etc. out of order? Moreover, whether the short-circuit with the circumference circuit is checked.

Does the circuit operate normally? Check circuit around (BD901, Q903, ZD906, IC901, D901 etc ).

Does the switching circuit operate normally? Check circuit around the primary side (T901, ZD906, D901, D903, Q903, D904, IC901, Q901, D904 etc.), the secondary side (D905, L904, C921 etc.), the DC_DET circuit (IC902, ZD903, IC903, IC901, etc.), and the protection circuit.

Does the inverter circuit operate normally? Check circuit around (D902, L903, C914, Q908, ZD902 etc.), and the protection circuit.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

The sound is not emitted from the speaker though the picture has come out.



No sound output in all modes? TEREMINAL UNIT: 

Is the audio signal output of pin (U36)(AR3), (V37)(AL3) of IC U401 normal?

YES

Is audio signal input to pin (4)(LINN), pin (11)(RINN) of IC U601 (AMP)?

YES

Is MUTE circuit [ Shutdown, OFF_MUTE] normal?

YES

Is the audio signal output of pin (3, 4) (L-ch) and pin (1, 2) (R-ch) of CN601 (AOUDIO-CONNECTOR) normal?

YES

Check Speaker Box (right and left) and wire harness.

NO

Check IC U401 and its peripheral circuits.

Check the line between IC U605 and IC U601.

Check the Mute circuit. (Q601, Q602 etc.)

Check IC U601 and its peripheral circuits.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

(2)(

No sound (during the reception of TV broadcasting)



Does not the sound go out though the picture has come out when TV is received?

MAIN UNIT: 

Is the IF signal output from pin (16) and pin (17) of TUNER (TU102)?

NO

Check the tuner and its peripheral circuits. Replace as required.

YES

Is the IF signal sent to pin (AH35) and pin (AH37) of IC U401?

NO

Check IC U401 its peripheral circuits.

YES

Refer to “No sound output in all modes”.

No sound from external input devices (1)



Does not the sound of the audio signal input to SCART1 go out? TEREMINAL UNIT: 

Is the audio signal properly sent to pin (6)(S CT1_AUL_IN) and pin

SCT1_AUR_IN) of SCART1 (CN151)?

NO

Check the setting of an external input device that connects of CN151

YES

Is the audio signal properly sent to pin (AA32) and pin (AB33) of IC U401?

NO

Check the line between CN151 and IC U401

YES

Refer to “No sound output in all modes”.

No sound from external input devices (2)



Does not the sound of the audio signal input to AV1 (Component) go out? MAIN UNIT: 

Is the audio signal properly sent to pin (2)(AV1_AudioLIN) and pin (4)(AV1_AudioRIN) of CN116?

NO

Check the connection to CN116 and the external input device.

YES

Is the audio signal properly sent to pin (AD33) and pin (AC34) of IC U401?

NO

Check the line between CN116 and IC U401.

YES

Refer to “No sound output in all modes”.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No sound from external input devices (3)



Does not the sound of the audio signal input to AV3(Composite) go out? MAIN UNIT: 

Is the audio signal properly sent to pin (4)(AV3_AudioLIN) and pin (6)(AV3_AudioRIN) of CN136?

YES

Is the audio signal properly sent to pin (AD35) and pin (AB35) of IC U401?

YES

Refer to “No sound output in all modes”.

No sound from external input devices (4)



Does not the sound of the audio signal input to VGA go out? MAIN UNIT: 

Is the audio signal properly sent to pin (2)(VGA_AudioLIN) and pin (3)(VGA_AudioRIN) of CN102?

YES

Is the audio signal properly sent to pin (AA36) and pin (Y37) of IC U401?

YES

Refer to “No sound output in all modes”.

No sound from external input devices (5)



Does not the sound of the audio signal input to HDMI go out?



Is picture of the signal input from HDMI displayed?

YES

Refer to “No sound output in all modes”.

NO

Check the connection to CN136 and the external input device.

Check the line between CN136 and IC U401.

Check the connection to CN102 and the external input device.

Check the line between CN102 and IC U401.

Refer to “Does not the picture of the HDMI signal i nput to HDMI go out?”.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

The audio signal is not output (1)



The audio signal of UHF/VHF is not output from SCART1. TEREMINAL UNIT: 

Is audio signal output from IC U106 sent to pin (3)(SCT1_AUL_OUT) and pin(1)(SCT1_AUR_OUT) of SCART1(CN151)?

YES

Check the connection to SCART1 and external devices.

NO

Is audio signal output from IC U401 is sent to pin (2) (1IN-) and pin (6) (2IN-)of IC U106?

YES

Check the line between IC U401 and IC U106.

NO

Check IC U401 and its peripheral circuits.

The audio signal is not output (2)



No audio signal output from LINE_AUDIO_OUTPUT terminal. TEREMINAL UNIT: 

Is audio signal output from IC U107 sent to pin(4)(Audio_Line_Out_L) and pin (6)(Audio_Line_Out_R) of LINE_AUDIO_OUT connector(CN140)?

YES

Check the connection to LINE_AUDIO_OUT and external devices.

NO

Is audio signal output from IC U401 is sent to pin (2) (1IN-) and pin (6) (2IN-)of IC U107?

YES

Check the line between IC U401 and IC U107.

NO

Check IC U401 and its peripheral circuits.

The audio signal is not output (3)



No audio signal output from SPDIF_OUTPUT terminal. TEREMINAL UNIT: 

Is ASPDIF audio signal output from pin (K33) of IC U401 to pin (6) of connector CN116?

YES

Check the connection to SPDIF_OUT and external devices.

NO

Check IC U401 and its peripheral circuits.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

The audio signal is not output (4)



No sound from HEADPHONE_OUTPUT terminal. MINI AV_UNIT: 

Is the HP_DET# signal input into pin (AE6) of IC U401 from pin (6) of a headphone terminal (CN602)?

YES

Is the audio signal output from IC U602 to pin(2) (HPOUTL ) and pin (3) (HPOUTR) of headphone terminal CN602?

YES

Is the audio signal output from IC U401 pin(V35) and pin(U34) sent to pin(1)(INL-) and pin(4)(INR-) of IC U602?

YES

Check IC U401 and its peripheral circuits.

NO

Check the connection to CN602 and external headphone is plug in well.

Check the line between IC U602 and CN602.

Check the line between IC U401 and IC U602.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No picture on the display (1)



The picture doesn't appear in all modes. MAIN UNIT: 

Is LVDS signal output from 1st_channel and 2nd_channel of IC U401 in each mode? (A0N/A0P),(A1N/A1P),(A2N/A2P),(A3N/A3P),(CK1N/CK1P)

NO

Check IC U401 and its peripheral control circuits.

YES

Is the above-mentioned LVDS signals output to connector CN408?

NO

Check the line between IC U401 and CN408.

YES

Is LCD controller's control signal normal?

PANEL_UNIT:

Similarly, is the LVDS signal input to connector of the panel

YES

NO

Control signals BRIGHT_ADJ, INVERTER_ON_OFF, PANEL_VCC_ON/OFF, and it peels off and whether normality is checked.

Wire harness is checked.

YES

Check the panel module.

No picture on the display (2)



Does not the picture come out when TV (Antenna) is received? TERMINAL UNIT: 

Is the voltage of regulation for a TUNER circuit and the power supply terminal of IC U401 supplied?

YES

Is IF signal output from pin (16), (17) of TUNER (TU102) to pin (AH35), pin (AH37) of IC U401 ?

NO

Each power supply circuit is checked.

Check the tuner, IC U401 and their peripher al circuits. Replace as required.

MAIN_UNIT: YES

Do X4150 (54.00MHz) oscillate?

NO

Check X4150 and its peripheral circuits.

YES

Refer to “The picture doesn't appear in all modes.”

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No picture on the display (3)



Does not the picture come out when TV (Cable) is received? TERMINAL UNIT: 

Is the voltage of regulation for a TUNER circuit and the power supply terminal of IC U401 supplied?

YES

Is IF signal output from pin (16), (17) of TUNER (TU102) to pin (29), pin (30) of IC U101 ?

YES

Is MPEG data (CI_INDATA0, TSYNC, TCK) signal from pin (11), (8) (9) of IC U101 are output to IC U401?

MAIN_UNIT:

Do X4150 (54.00MHz) oscillate?

YES

Refer to “The picture doesn't appear in all modes.”

<External input SCART1>No pict u re on the di sp lay (4 )



Does not the picture of the CVBS signal input to SCART1 go out? TERMINAL UNIT: 

Is CVBS signal sent to pin (20) of SCART1 (CN151)?

MAIN_UNIT: YES

Is CVBS signal sent to pin (AP33) of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Each power supply circuit is checked.

Check the tuner, IC U101 and their peripher al circuits. Replace as required.

Check IC U101 and their peripheral circuits. Replace as required.

Check X4150 and its peripheral circuits.

Check the setting of an external input device that connects of CN151.

Check the line between IC U401 and CN151.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

<External input SCART1>No pict u re on the di sp lay (5 )



Does not the picture of the R/G/B video signal input to SCART1 go out? TERMINAL UNIT: 

Is RGB signal sent to pin (15)/R, (11)/G, (7)/B, of SCART1 (CN151)?

MAIN_UNIT: YES

Is RGB signal sent to pin (AU30)/R, (AP29)/G, (AR28)/B of IC U401?

YES

NO

Check the setting of an external input device that connects of CN151.

Check the line between IC U401 and CN151.

YES

Refer to “The picture doesn't appear in all modes.”

<External input SCART1 >No picture on the display (6)



Does not the picture of the Y/C signal input to SCART1 go out? TERMINAL UNIT: 

Is Y/C signal sent to pin (20) and (15) of SCART1 (CN151)?

MAIN_UNIT:

Is Y/C signal sent to pin (AP33)/Y, (AU30)/C of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

<External input AV3(Composite)>No picture on the display (6)

NO

Check the setting of an external input device that connects of CN151.

Check the line between IC U401 and CN151.



Does not the picture of the composite video signal input to AV3(Composite) go out? TERMINAL UNIT: 

Is CVBS signal sent to pin (2) of AV3 (CN136) ?

MAIN_UNIT: YES

Is CVBS signal sent to pin (AU36) of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN136.

Check the line between IC U401 and CN136.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

<External input HDMI1>No picture on the display (7)



Does not the picture of the HDMI signal input to HDMI1 go out? MINI AV_UNIT: 

Is the HOT_PLUG detection function of pin (19) of a HDMI terminal (CN502) normal?

YES

Are EDID data pin (6)(SCL) of IC U503 (EEPROM), pin (5)(SDA) accessed, and is it read from pin (15), pin (16) of a HDMI terminal(CN502)?

Is TMDS signal input into pin(AP15, AT15)/RX2-2±,(AR14, AU14)/RX2-1±, (AP13, AT13)/RX2-0±, (AR12, AU12)/RX2-C± of IC

YES

YES

Refer to “The picture doesn't appear in all modes.”

NO

Check the line between pin (AN16) of IC U401 and CN502.



Check the connection and setup with the external HDMI devices.

Is access possible in the re-writing or exchange of EDID data of IC U503?

NO

Check CN502, IC U503 and peripheral circuits.

Check the line between IC U401 and CN502.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

<External input HDMI2>No picture on the display (8)



Does not the picture of the HDMI signal input to HDMI2 go out? MINI AV_UNIT: 

Is the HOT_PLUG detection function of pin (19) of a HDMI terminal (CN505) normal?

NO

Check the line between pin (AL18) of IC U401 and CN505.

Check the connection and setup with the external HDMI devices.

YES

Are EDID data pin (6)(SCL) of IC U504 (EEPROM), pin (5)(SDA) accessed, and is it read from pin (15), pin (16) of a HDMI terminal(CN505)?

Is TMDS signal input into pin(AP19, AT19)/RX3-2±,(AR18, AU18)/RX3-1±, (AP17, AT17)/RX3-0±, (AR16, AU16)/RX3-C± of IC

Refer to “The picture doesn't appear in all modes.”

YES

YES

<External input VGA>No picture on the display (9)

NO

Is access possible in the re-writing or exchange of EDID data of IC U504?

Check CN505, IC U504 and peripheral circuits.

Check the line between IC U401 and CN505.



Does not the picture of the PC IN(ANALOG) video signal input to VGA(15pin-D-SUB terminal) go out? TERMINAL_UNIT: 

Is R/G/B/H/V signal sent to pin (1)/R, (2)/G, (3)/B, (14 )/H, (13)/V of VGA (CN101)?

MAIN_UNIT: YES

Is R/G/B/H/V signal sent to pin (AT25)/R, (AU24)/G, (AT23)/B, (AR22)/H, (AU22)/V of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN101.

Check the line between IC U401 and CN101.



NO

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

<External input AV1(Component)>No picture on the display (10)



Does not the picture of the component video signal input to Component go out? TERMINAL_UNIT: 

Is Component Y/Pb/Pr signal sent to pin (2)/Y, (4)/Pb, (6)/Pr of AV1(CN111) ?

MAIN_UNIT: YES

Is Component Y/Pb/Pr signal sent to pin (AU26)/Y, (AT27)/Pb, (AP27)/Pr of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN111.

Check the line between IC U401 and CN111.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

p

)

p

)

< During external connec t ion > No pi ctu r e on the mo ni to r (1)



No picture appears on SCART1 - connected monitor during the tuner (U/V) reception.



Checklist:

1) Is the Signal Type (item) in MENU-Option-Input Select equal to Signal Type of an external device? …Set it to “CVBS”, “Y/C”, “RGB”, “AUTO”.

2) Is ANT-CABLE disconnected or connected improperly? …Connect it correctly as per the operation manual.

3) The picture is sent to the monitor in a CVBS signal if the source during display is ATV/DTV, CVBS or Y/C of SCART1, AV3. When sent by component, etc., that signal is not sent to the monitor.

4) When the monitor picture is not sent and is not displayed on the monitor, refer to “No picture” for each terminal.

5) The video output from SCART1 is not the monitor output (output of the picture now watching). The

icture of the last selected TV channel is always sent to SCART1. (Specification

TERMINAL_UNIT:

Is CVBS signal output into pin (19) of CN151 (SCART1)?

NO

Is U401 pin (AT31) CVBS signal output into pin (19) of CN151 (SCART1)?

Refer to “The picture doesn't appear in all modes.”



NO

YES

Check the setting of an external input device that connects of CN151.

Check the line between CN151 and U401.

< During external connec t ion > No pi ctu r e on the mo ni to r (2)

AVOUT:  No picture from SCART1 appears on AVOUT-connected monitor.

NOTE: Normally, if the screen during display is sent to SCART1, no picture is sent to AVOUT.



Checklist:

1) Is the Signal Type (item) in MENU-Option-Input Select equal to Signal Type of an external device? …Set it to “CVBS”, “Y/C”, “AUTO”.

2) The picture is sent to the monitor in a CVBS signal if the source during display is TV, CVBS or Y/C of SCART1, AV3. When sent by component, etc., that signal is not sent to the monitor.

3) When the monitor picture is not sent and is not displayed on the monitor, refer to “No picture” for each terminal.

4) The video output from SCART1 is not the monitor output (output of the picture now watching). The

TERMINAL_UNIT:

Is CVBS signal output into pin (2) of CN140?

NO

Is CVBS signal output from pin (AP31) of IC U401 into pin (2) of CN140 ?

Refer to “The picture doesn't appear in all modes.”

icture of the last selected TV channel is always sent to SCART1. (Specification



YES

NO

Check the setting of an external input device that connects of CN140.

Check the line between CN140 and IC U401.

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p

22” TROUBLESHOOTING TABLE



Are the power cord and harness in the unit properly connected?

LINE_FILTER_UNIT:  YES

Is F901 F902 normal?

POWER_UNIT

Is BD901 (+320V) output?

Is a voltage of +5.3V applied to pin (4,5) of connector (CN902)?

Is a voltage of +16V applied to pin (9,10) of connector (CN902)?

YES

Power unit operation check.

NO

Connect the power cord and harness properl y, and turn on the

ower.

LINE_FILTER_UNIT: Isn't C908, RV901, L902, C900, C901, etc. out of order? Moreover, whether the short-circuit with the circumference circuit is checked.

Does the circuit operate normally? Check circuit around (BD901, Q903, ZD906, IC901, D901 etc ).

Does the switching circuit operate normally? Check circuit around the primary side (T901, ZD906, D901, D903, Q903, D904, IC901, Q901, D904 etc.), the secondary side (D905, L904, C921 etc.), the DC_DET circuit (IC902, ZD903, IC903, IC901, etc.), and the protection circuit.

Does the inverter circuit operate normally? Check circuit around (D902, L903, C914, Q908, ZD902 etc.), and the protection circuit.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

The sound is not emitted from the speaker though the picture has come out.



No sound output in all modes? TEREMINAL UNIT: 

Is the audio signal output of pin (U36)(AR3), (V37)(AL3) of IC U401 normal?

NO

Check IC U401 and its peripheral circuits.

YES

Is audio signal input to pin (4)(LINN), pin (11)(RINN) of IC U601 (AMP)?

NO

Check the line between IC U605 and IC U601.

YES

Is MUTE circuit [ Shutdown, OFF_MUTE] normal?

NO

Check the Mute circuit. (Q601, Q602 etc.)

YES

Is the audio signal output of pin (3, 4) (L-ch) and pin (1, 2) (R-ch) of CN601 (AOUDIO-CONNECTOR) normal?

NO

Check IC U601 and its peripheral circuits.

YES

Check Speaker Box (right and left) and wire harness.

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

(2)(

No sound (during the reception of TV broadcasting)



Does not the sound go out though the picture has come out when TV is received?

MAIN UNIT: 

Is the IF signal output from pin (16) and pin (17) of TUNER (TU102)?

NO

YES

Is the IF signal sent to pin (AH35) and pin (AH37) of IC U401?

NO

YES

Refer to “No sound output in all modes”.

No sound from external input devices (1)



Does not the sound of the audio signal input to SCART1 go out? TEREMINAL UNIT: 

Is the audio signal properly sent to pin (6)(S CT1_AUL_IN) and pin

SCT1_AUR_IN) of SCART1 (CN151)?

NO

YES

Is the audio signal properly sent to pin (AA32) and pin (AB33) of IC U401?

NO

YES

Refer to “No sound output in all modes”.

No sound from external input devices (2)



Does not the sound of the audio signal input to AV1 (Component) go out? MAIN UNIT: 

Is the audio signal properly sent to pin (2)(AV1_AudioLIN) and pin (4)(AV1_AudioRIN) of CN116?

NO

YES

Is the audio signal properly sent to pin (AD33) and pin (AC34) of IC U401?

NO

YES

Refer to “No sound output in all modes”.

Check the tuner and its peripheral circuits. Replace as required.

Check IC U401 its peripheral circuits.

Check the setting of an external input device that connects of CN151

Check the line between CN151 and IC U401

Check the connection to CN116 and the external input device.

Check the line between CN116 and IC U401.

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No sound from external input devices (3)



Does not the sound of the audio signal input to AV3(Composite) go out? MAIN UNIT: 

Is the audio signal properly sent to pin (4)(AV3_AudioLIN) and pin (6)(AV3_AudioRIN) of CN136?

NO

Check the connection to CN136 and the external input device.

YES

Is the audio signal properly sent to pin (AD35) and pin (AB35) of IC U401?

NO

Check the line between CN136 and IC U401.

YES

Refer to “No sound output in all modes”.

No sound from external input devices (4)



Does not the sound of the audio signal input to VGA go out? MAIN UNIT: 

Is the audio signal properly sent to pin (2)(VGA_AudioLIN) and pin (3)(VGA_AudioRIN) of CN102?

NO

Check the connection to CN102 and the external input device.

YES

Is the audio signal properly sent to pin (AA36) and pin (Y37) of IC U401?

NO

Check the line between CN102 and IC U401.

YES

Refer to “No sound output in all modes”.

No sound from external input devices (5)



Does not the sound of the audio signal input to HDMI go out?



Is picture of the signal input from HDMI displayed?

NO

Refer to “Does not the picture of the HDMI signal i nput to HDMI go out?”.

YES

Refer to “No sound output in all modes”.

68

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

The audio signal is not output (1)



The audio signal of UHF/VHF is not output from SCART1. TEREMINAL UNIT: 

Is audio signal output from IC U106 sent to pin (3)(SCT1_AUL_OUT) and pin(1)(SCT1_AUR_OUT) of SCART1(CN151)?

NO

Is audio signal output from IC U401 is sent to pin (2) (1IN-) and pin (6) (2IN-)of IC U106?

NO

Check IC U401 and its peripheral circuits.

The audio signal is not output (2)



No audio signal output from LINE_AUDIO_OUTPUT terminal. TEREMINAL UNIT: 

Is audio signal output from IC U107 sent to pin(4)(Audio_Line_Out_L) and pin (6)(Audio_Line_Out_R) of LINE_AUDIO_OUT connector(CN140)?

NO

Is audio signal output from IC U401 is sent to pin (2) (1IN-) and pin (6) (2IN-)of IC U107?

NO

Check IC U401 and its peripheral circuits.

The audio signal is not output (3)



No audio signal output from SPDIF_OUTPUT terminal. TEREMINAL UNIT: 

Is ASPDIF audio signal output from pin (K33) of IC U401 to pin (6) of connector CN116?

NO

Check IC U401 and its peripheral circuits.

YES

Check the connection to SCART1 and external devices.

Check the line between IC U401 and IC U106.

Check the connection to LINE_AUDIO_OUT and external devices.

Check the line between IC U401 and IC U107.

Check the connection to SPDIF_OUT and external devices.

2008-03-14

69

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

The audio signal is not output (4)



No sound from HEADPHONE_OUTPUT terminal. MINI AV_UNIT: 

Is the HP_DET# signal input into pin (AE6) of IC U401 from pin (6) of a headphone terminal (CN602)?

NO

Check the connection to CN602 and external headphone is plug in well.

YES

Is the audio signal output from IC U602 to pin(2) (HPOUTL ) and pin (3) (HPOUTR) of headphone terminal CN602?

NO

Check the line between IC U602 and CN602.

YES

Is the audio signal output from IC U401 pin(V35) and pin(U34) sent to pin(1)(INL-) and pin(4)(INR-) of IC U602?

NO

Check the line between IC U401 and IC U602.

YES

Check IC U401 and its peripheral circuits.

70

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No picture on the display (1)



The picture doesn't appear in all modes. MAIN UNIT: 

Is LVDS signal output from 1st_channel and 2nd_channel of IC U401 in each mode? (A0N/A0P),(A1N/A1P),(A2N/A2P),(A3N/A3P),(CK1N/CK1P)

NO

YES

Is the above-mentioned LVDS signals output to connector CN408?

NO

YES

Is LCD controller's control signal normal?

NO

PANEL_UNIT:

Similarly, is the LVDS signal input to connector of the panel

YES

NO

YES

Check the panel module.

No picture on the display (2)



Does not the picture come out when TV (Antenna) is received? TERMINAL UNIT: 

Is the voltage of regulation for a TUNER circuit and the power supply terminal of IC U401 supplied?

YES

Is IF signal output from pin (16), (17) of TUNER (TU102) to pin (AH35), pin (AH37) of IC U401 ?

NO

MAIN_UNIT: YES

Do X4150 (54.00MHz) oscillate?

NO

YES

Refer to “The picture doesn't appear in all modes.”

Check IC U401 and its peripheral control circuits.

Check the line between IC U401 and CN408.

Control signals BRIGHT_ADJ, INVERTER_ON_OFF, PANEL_VCC_ON/OFF, and it peels off and whether normality is checked.

Wire harness is checked.

Each power supply circuit is checked.

Check the tuner, IC U401 and their peripher al circuits. Replace as required.

Check X4150 and its peripheral circuits.

2008-03-14

71

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No picture on the display (3)



Does not the picture come out when TV (Cable) is received? TERMINAL UNIT: 

Is the voltage of regulation for a TUNER circuit and the power supply terminal of IC U401 supplied?

YES

Is IF signal output from pin (16), (17) of TUNER (TU102) to pin (29), pin (30) of IC U101 ?

NO

Each power supply circuit is checked.

Check the tuner, IC U101 and their peripher al circuits. Replace as required.

YES

Is MPEG data (CI_INDATA0, TSYNC, TCK) signal from pin (11), (8) (9) of IC U101 are output to IC U401?

MAIN_UNIT:

Do X4150 (54.00MHz) oscillate?

YES

NO

Check IC U101 and their peripheral circuits. Replace as required.

Check X4150 and its peripheral circuits.

YES

Refer to “The picture doesn't appear in all modes.”

<External input SCART1>No pict u re on the di sp lay (4 )



Does not the picture of the CVBS signal input to SCART1 go out? TERMINAL UNIT: 

Is CVBS signal sent to pin (20) of SCART1 (CN151)?

MAIN_UNIT: YES

Is CVBS signal sent to pin (AP33) of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN151.

Check the line between IC U401 and CN151.

72

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

<External input SCART1>No pict u re on the di sp lay (5 )



Does not the picture of the R/G/B video signal input to SCART1 go out? TERMINAL UNIT: 

Is RGB signal sent to pin (15)/R, (11)/G, (7)/B, of SCART1 (CN151)?

MAIN_UNIT: YES

Is RGB signal sent to pin (AU30)/R, (AP29)/G, (AR28)/B of IC U401?

YES

NO

YES

Refer to “The picture doesn't appear in all modes.”

<External input SCART1 >No picture on the display (6)



Does not the picture of the Y/C signal input to SCART1 go out? TERMINAL UNIT: 

Is Y/C signal sent to pin (20) and (15) of SCART1 (CN151)?

MAIN_UNIT:

Is Y/C signal sent to pin (AP33)/Y, (AU30)/C of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

<External input AV3(Composite)>No picture on the display (6)

NO



Does not the picture of the composite video signal input to AV3(Composite) go out? TERMINAL UNIT: 

Is CVBS signal sent to pin (2) of AV3 (CN136) ?

NO

MAIN_UNIT: YES

Is CVBS signal sent to pin (AU36) of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN151.

Check the line between IC U401 and CN151.

Check the setting of an external input device that connects of CN151.

Check the line between IC U401 and CN151.

Check the setting of an external input device that connects of CN136.

Check the line between IC U401 and CN136.

2008-03-14

73

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

<External input HDMI1>No picture on the display (7)



Does not the picture of the HDMI signal input to HDMI1 go out? MINI AV_UNIT: 

Is the HOT_PLUG detection function of pin (19) of a HDMI terminal (CN502) normal?

NO

Check the line between pin (AN16) of IC U401 and CN502.

Check the connection and setup with the external HDMI devices.

YES

Are EDID data pin (6)(SCL) of IC U503 (EEPROM), pin (5)(SDA) accessed, and is it read from pin (15), pin (16) of a HDMI terminal(CN502)?

Is TMDS signal input into pin(AP15, AT15)/RX2-2±,(AR14, AU14)/RX2-1±, (AP13, AT13)/RX2-0±, (AR12, AU12)/RX2-C± of IC

Refer to “The picture doesn't appear in all modes.”

YES

YES

NO

Is access possible in the re-writing or exchange of EDID data of IC U503?

Check CN502, IC U503 and peripheral circuits.

Check the line between IC U401 and CN502.



NO

74

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

<External input HDMI2>No picture on the display (8)



Does not the picture of the HDMI signal input to HDMI2 go out? MINI AV_UNIT: 

Is the HOT_PLUG detection function of pin (19) of a HDMI terminal (CN505) normal?

NO

Check the line between pin (AL18) of IC U401 and CN505.

Check the connection and setup with the external HDMI devices.

YES

Are EDID data pin (6)(SCL) of IC U504 (EEPROM), pin (5)(SDA) accessed, and is it read from pin (15), pin (16) of a HDMI terminal(CN505)?

Is TMDS signal input into pin(AP19, AT19)/RX3-2±,(AR18, AU18)/RX3-1±, (AP17, AT17)/RX3-0±, (AR16, AU16)/RX3-C± of IC

Refer to “The picture doesn't appear in all modes.”

YES

YES

<External input VGA>No picture on the display (9)

NO

Is access possible in the re-writing or exchange of EDID data of IC U504?

Check CN505, IC U504 and peripheral circuits.

Check the line between IC U401 and CN505.



Does not the picture of the PC IN(ANALOG) video signal input to VGA(15pin-D-SUB terminal) go out? TERMINAL_UNIT: 

Is R/G/B/H/V signal sent to pin (1)/R, (2)/G, (3)/B, (14 )/H, (13)/V of VGA (CN101)?

MAIN_UNIT: YES

Is R/G/B/H/V signal sent to pin (AT25)/R, (AU24)/G, (AT23)/B, (AR22)/H, (AU22)/V of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN101.

Check the line between IC U401 and CN101.



NO

2008-03-14

75

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

p

)

p

)

<External input AV1(Component)>No picture on the display (10)



Does not the picture of the component video signal input to Component go out? TERMINAL_UNIT: 

Is Component Y/Pb/Pr signal sent to pin (2)/Y, (4)/Pb, (6)/Pr of AV1(CN111) ?

MAIN_UNIT: YES

Is Component Y/Pb/Pr signal sent to pin (AU26)/Y, (AT27)/Pb, (AP27)/Pr of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

< During external connec t ion > No pi ctu r e on the mo ni to r (1)

NO

Check the setting of an external input device that connects of CN111.

Check the line between IC U401 and CN111.



No picture appears on SCART1 - connected monitor during the tuner (U/V) reception.



Checklist:

1) Is the Signal Type (item) in MENU-Option-Input Select equal to Signal Type of an external device? …Set it to “CVBS”, “Y/C”, “RGB”, “AUTO”.

2) Is ANT-CABLE disconnected or connected improperly? …Connect it correctly as per the operation manual.

3) The picture is sent to the monitor in a CVBS signal if the source during display is ATV/DTV, CVBS or Y/C of SCART1, AV3. When sent by component, etc., that signal is not sent to the monitor.

4) When the monitor picture is not sent and is not displayed on the monitor, refer to “No picture” for each terminal.

5) The video output from SCART1 is not the monitor output (output of the picture now watching). The

icture of the last selected TV channel is always sent to SCART1. (Specification

TERMINAL_UNIT:

Is CVBS signal output into pin (19) of CN151 (SCART1)?

NO

Is U401 pin (AT31) CVBS signal output into pin (19) of CN151 (SCART1)?

Refer to “The picture doesn't appear in all modes.”



NO

YES

Check the setting of an external input device that connects of CN151.

Check the line between CN151 and U401.

< During external connec t ion > No pi ctu r e on the mo ni to r (2)

AVOUT:  No picture from SCART1 appears on AVOUT-connected monitor.

NOTE: Normally, if the screen during display is sent to SCART1, no picture is sent to AVOUT.



Checklist:

1) Is the Signal Type (item) in MENU-Option-Input Select equal to Signal Type of an external device? …Set it to “CVBS”, “Y/C”, “AUTO”.

2) The picture is sent to the monitor in a CVBS signal if the source during display is TV, CVBS or Y/C of SCART1, AV3. When sent by component, etc., that signal is not sent to the monitor.

3) When the monitor picture is not sent and is not displayed on the monitor, refer to “No picture” for each terminal.

4) The video output from SCART1 is not the monitor output (output of the picture now watching). The

TERMINAL_UNIT:

Is CVBS signal output into pin (2) of CN140?

NO

Is CVBS signal output from pin (AP31) of IC U401 into pin (2) of CN140 ?

Refer to “The picture doesn't appear in all modes.”

icture of the last selected TV channel is always sent to SCART1. (Specification



YES

NO

Check the setting of an external input device that connects of CN140.

Check the line between CN140 and IC U401.

76

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

p

26” TROUBLESHOOTING TABLE



Are the power cord and harness in the unit properly connected?

LINE_FILTER_UNIT:  YES

Is F901 F902 normal?

POWER_UNIT

Is BD901 (+320V) output?

Is a voltage of +5.3V applied to pin (12,13) of connector (CN905)?

Is a voltage of +24V applied to pin (1,2,3,4,5) of connector (CN903)?

Is a voltage of +24V applied to pin (9,10) of connector (CN905)?

Is a voltage of +12V applied to pin (4,5) of connector (CN905)?

YES

Power unit operation check.

NO

Connect the power cord and harness properl y, and turn on the

ower.

LINE_FILTER_UNIT: Isn't C914, RV901, RV902, L903, L905, C937, C90 0, C920, etc. out of order? Moreover, whether the short-circuit with the circumference circuit is checked.

Does the circuit operate normally? Check circuit around (BD901, Q905, ZD906, IC901, D902 etc ).

Does the switching circuit operate normally? Check circuit around the primary side (T901, ZD906, D902, D905, Q905, D904, IC901, Q901, ZD904 etc.), the secondary side (D903, L902, C911 etc.), the DC_DET circuit (IC902, ZD903, IC903, IC901, etc.), and the protection circuit.

Does the inverter circuit operate normally? Check circuit around (D901, L901, C908, Q903, ZD902 etc.), and the protection circuit.

Does the inverter circuit operate normally? Check circuit around (D983, C956, FB985, etc.), and the protection circuit.

Does the inverter circuit operate normally? Check circuit around (D985, IC905, D907, L904, C927 etc.), and the protection circuit.

2008-03-14

77

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

The sound is not emitted from the speaker though the picture has come out.



No sound output in all modes? TEREMINAL UNIT: 

Is the audio signal output of pin (U36)(AR3), (V37)(AL3) of IC U401 normal?

NO

Check IC U401 and its peripheral circuits.

YES

Is audio signal input to pin (4)(LINN), pin (11)(RINN) of IC U601 (AMP)?

NO

Check the line between IC U605 and IC U601.

YES

Is MUTE circuit [ Shutdown, OFF_MUTE] normal?

NO

Check the Mute circuit. (Q601, Q602 etc.)

YES

Is the audio signal output of pin (3, 4) (L-ch) and pin (1, 2) (R-ch) of CN601 (AOUDIO-CONNECTOR) normal?

NO

Check IC U601 and its peripheral circuits.

YES

Check Speaker Box (right and left) and wire harness.

No sound (during the reception of TV broadcasting)



Does not the sound go out though the picture has come out when TV is received?

MAIN UNIT: 

Is the IF signal output from pin (16) and pin (17) of TUNER (TU102)?

NO

Check the tuner and its peripheral circuits. Replace as required.

YES

Is the IF signal sent to pin (AH35) and pin (AH37) of IC U401?

NO

Check IC U401 its peripheral circuits.

YES

Refer to “No sound output in all modes”.

78

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No sound from external input devices (1)



Does not the sound of the audio signal input to SCART1 go out? TEREMINAL UNIT: 

Is the audio signal properly sent to pin (6)(S CT1_AUL_IN) and pin (2)(SCT1_AUR_IN) of SCART1 (CN151)?

YES

Is the audio signal properly sent to pin (AA32) and pin (AB33) of IC U401?

YES

Refer to “No sound output in all modes”.

No sound from external input devices (2)



Does not the sound of the audio signal input to AV1 (Component) go out? MAIN UNIT: 

Is the audio signal properly sent to pin (2)(AV1_AudioLIN) and pin (4)(AV1_AudioRIN) of CN116?

YES

Is the audio signal properly sent to pin (AD33) and pin (AC34) of IC U401?

YES

Refer to “No sound output in all modes”.

NO

Check the setting of an external input device that connects of CN151

Check the line between CN151 and IC U401

Check the connection to CN116 and the external input device.

Check the line between CN116 and IC U401.

2008-03-14

79

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No sound from external input devices (3)



Does not the sound of the audio signal input to AV3(Composite) go out? MAIN UNIT: 

Is the audio signal properly sent to pin (4)(AV3_AudioLIN) and pin (6)(AV3_AudioRIN) of CN136?

NO

Check the connection to CN136 and the external input device.

YES

Is the audio signal properly sent to pin (AD35) and pin (AB35) of IC U401?

NO

Check the line between CN136 and IC U401.

YES

Refer to “No sound output in all modes”.

No sound from external input devices (4)



Does not the sound of the audio signal input to VGA go out? MAIN UNIT: 

Is the audio signal properly sent to pin (2)(VGA_AudioLIN) and pin (3)(VGA_AudioRIN) of CN102?

NO

Check the connection to CN102 and the external input device.

YES

Is the audio signal properly sent to pin (AA36) and pin (Y37) of IC U401?

NO

Check the line between CN102 and IC U401.

YES

Refer to “No sound output in all modes”.

No sound from external input devices (5)



Does not the sound of the audio signal input to HDMI go out?



Is picture of the signal input from HDMI displayed?

NO

Refer to “Does not the picture of the HDMI signal i nput to HDMI go out?”.

YES

Refer to “No sound output in all modes”.

80

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

The audio signal is not output (1)



The audio signal of UHF/VHF is not output from SCART1. TEREMINAL UNIT: 

Is audio signal output from IC U106 sent to pin (3)(SCT1_AUL_OUT) and pin(1)(SCT1_AUR_OUT) of SCART1(CN151)?

NO

Is audio signal output from IC U401 is sent to pin (2) (1IN-) and pin (6) (2IN-)of IC U106?

NO

Check IC U401 and its peripheral circuits.

The audio signal is not output (2)



No audio signal output from LINE_AUDIO_OUTPUT terminal. TEREMINAL UNIT: 

Is audio signal output from IC U107 sent to pin(4)(Audio_Line_Out_L) and pin (6)(Audio_Line_Out_R) of LINE_AUDIO_OUT connector(CN140)?

NO

Is audio signal output from IC U401 is sent to pin (2) (1IN-) and pin (6) (2IN-)of IC U107?

NO

Check IC U401 and its peripheral circuits.

The audio signal is not output (3)



No audio signal output from SPDIF_OUTPUT terminal. TEREMINAL UNIT: 

Is ASPDIF audio signal output from pin (K33) of IC U401 to pin (6) of connector CN116?

NO

Check IC U401 and its peripheral circuits.

YES

Check the connection to SCART1 and external devices.

Check the line between IC U401 and IC U106.

Check the connection to LINE_AUDIO_OUT and external devices.

Check the line between IC U401 and IC U107.

Check the connection to SPDIF_OUT and external devices.

2008-03-14

81

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

The audio signal is not output (4)



No sound from HEADPHONE_OUTPUT terminal. MINI AV_UNIT: 

Is the HP_DET# signal input into pin (AE6) of IC U401 from pin (6) of a headphone terminal (CN602)?

NO

Check the connection to CN602 and external headphone is plug in well.

YES

Is the audio signal output from IC U602 to pin(2) (HPOUTL ) and pin (3) (HPOUTR) of headphone terminal CN602?

NO

Check the line between IC U602 and CN602.

YES

Is the audio signal output from IC U401 pin(V35) and pin(U34) sent to pin(1)(INL-) and pin(4)(INR-) of IC U602?

NO

Check the line between IC U401 and IC U602.

YES

Check IC U401 and its peripheral circuits.

82

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No picture on the display (1)



The picture doesn't appear in all modes. MAIN UNIT: 

Is LVDS signal output from 1st_channel and 2nd_channel of IC U401 in each mode? (A0N/A0P),(A1N/A1P),(A2N/A2P),(A3N/A3P),(CK1N/CK1P)

NO

YES

Is the above-mentioned LVDS signals output to connector CN408?

NO

YES

Is LCD controller's control signal normal?

NO

PANEL_UNIT:

Similarly, is the LVDS signal input to connector of the panel

YES

NO

YES

Check the panel module.

No picture on the display (2)



Does not the picture come out when TV (Antenna) is received? TERMINAL UNIT: 

Is the voltage of regulation for a TUNER circuit and the power supply terminal of IC U401 supplied?

YES

Is IF signal output from pin (16), (17) of TUNER (TU102) to pin (AH35), pin (AH37) of IC U401 ?

NO

MAIN_UNIT: YES

Do X4150 (54.00MHz) oscillate?

NO

YES

Refer to “The picture doesn't appear in all modes.”

Check IC U401 and its peripheral control circuits.

Check the line between IC U401 and CN408.

Control signals BRIGHT_ADJ, INVERTER_ON_OFF, PANEL_VCC_ON/OFF, and it peels off and whether normality is checked.

Wire harness is checked.

Each power supply circuit is checked.

Check the tuner, IC U401 and their peripher al circuits. Replace as required.

Check X4150 and its peripheral circuits.

2008-03-14

83

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No picture on the display (3)



Does not the picture come out when TV (Cable) is received? TERMINAL UNIT: 

Is the voltage of regulation for a TUNER circuit and the power supply terminal of IC U401 supplied?

YES

Is IF signal output from pin (16), (17) of TUNER (TU102) to pin (29), pin (30) of IC U101 ?

NO

Each power supply circuit is checked.

Check the tuner, IC U101 and their peripher al circuits. Replace as required.

YES

Is MPEG data (CI_INDATA0, TSYNC, TCK) signal from pin (11), (8) (9) of IC U101 are output to IC U401?

MAIN_UNIT:

Do X4150 (54.00MHz) oscillate?

YES

NO

Check IC U101 and their peripheral circuits. Replace as required.

Check X4150 and its peripheral circuits.

YES

Refer to “The picture doesn't appear in all modes.”

<External input SCART1>No pict u re on the di sp lay (4 )



Does not the picture of the CVBS signal input to SCART1 go out? TERMINAL UNIT: 

Is CVBS signal sent to pin (20) of SCART1 (CN151)?

MAIN_UNIT: YES

Is CVBS signal sent to pin (AP33) of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN151.

Check the line between IC U401 and CN151.

84

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

<External input SCART1>No pict u re on the di sp lay (5 )



Does not the picture of the R/G/B video signal input to SCART1 go out? TERMINAL UNIT: 

Is RGB signal sent to pin (15)/R, (11)/G, (7)/B, of SCART1 (CN151)?

MAIN_UNIT: YES

Is RGB signal sent to pin (AU30)/R, (AP29)/G, (AR28)/B of IC U401?

YES

NO

YES

Refer to “The picture doesn't appear in all modes.”

<External input SCART1 >No picture on the display (6)



Does not the picture of the Y/C signal input to SCART1 go out? TERMINAL UNIT: 

Is Y/C signal sent to pin (20) and (15) of SCART1 (CN151)?

MAIN_UNIT:

Is Y/C signal sent to pin (AP33)/Y, (AU30)/C of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

<External input AV3(Composite)>No picture on the display (6)

NO



Does not the picture of the composite video signal input to AV3(Composite) go out? TERMINAL UNIT: 

Is CVBS signal sent to pin (2) of AV3 (CN136) ?

NO

MAIN_UNIT: YES

Is CVBS signal sent to pin (AU36) of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN151.

Check the line between IC U401 and CN151.

Check the setting of an external input device that connects of CN151.

Check the line between IC U401 and CN151.

Check the setting of an external input device that connects of CN136.

Check the line between IC U401 and CN136.

2008-03-14

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

<External input HDMI1>No picture on the display (7)



Does not the picture of the HDMI signal input to HDMI1 go out? MINI AV_UNIT: 

Is the HOT_PLUG detection function of pin (19) of a HDMI terminal (CN502) normal?

NO

Check the line between pin (AN16) of IC U401 and CN502.

Check the connection and setup with the external HDMI devices.

YES

Are EDID data pin (6)(SCL) of IC U503 (EEPROM), pin (5)(SDA) accessed, and is it read from pin (15), pin (16) of a HDMI terminal(CN502)?

Is TMDS signal input into pin(AP15, AT15)/RX2-2±,(AR14, AU14)/RX2-1±, (AP13, AT13)/RX2-0±, (AR12, AU12)/RX2-C± of IC

YES

NO

Is access possible in the re-writing or exchange of EDID data of IC U503?

Check CN502, IC U503 and peripheral circuits.

Check the line between IC U401 and CN502.

YES

Refer to “The picture doesn't appear in all modes.”



NO

86

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

<External input HDMI2>No picture on the display (8)



Does not the picture of the HDMI signal input to HDMI2 go out? MINI AV_UNIT: 

Is the HOT_PLUG detection function of pin (19) of a HDMI terminal (CN505) normal?

NO

Check the line between pin (AL18) of IC U401 and CN505.

Check the connection and setup with the external HDMI devices.

YES

Are EDID data pin (6)(SCL) of IC U504 (EEPROM), pin (5)(SDA) accessed, and is it read from pin (15), pin (16) of a HDMI terminal(CN505)?

Is TMDS signal input into pin(AP19, AT19)/RX3-2±,(AR18, AU18)/RX3-1±, (AP17, AT17)/RX3-0±, (AR16, AU16)/RX3-C± of IC

Refer to “The picture doesn't appear in all modes.”

YES

YES

<External input VGA>No picture on the display (9)

NO

Is access possible in the re-writing or exchange of EDID data of IC U504?

Check CN505, IC U504 and peripheral circuits.

Check the line between IC U401 and CN505.



Does not the picture of the PC IN(ANALOG) video signal input to VGA(15pin-D-SUB terminal) go out? TERMINAL_UNIT: 

Is R/G/B/H/V signal sent to pin (1)/R, (2)/G, (3)/B, (14 )/H, (13)/V of VGA (CN101)?

MAIN_UNIT: YES

Is R/G/B/H/V signal sent to pin (AT25)/R, (AU24)/G, (AT23)/B, (AR22)/H, (AU22)/V of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN101.

Check the line between IC U401 and CN101.



NO

2008-03-14

87

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

<External input AV1(Component)>No picture on the display (10)



Does not the picture of the component video signal input to Component go out? TERMINAL_UNIT: 

Is Component Y/Pb/Pr signal sent to pin (2)/Y, (4)/Pb, (6)/Pr of AV1(CN111) ?

MAIN_UNIT: YES

Is Component Y/Pb/Pr signal sent to pin (AU26)/Y, (AT27)/Pb, (AP27)/Pr of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN111.

Check the line between IC U401 and CN111.

88

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

p

)

p

)

< During external connec t ion > No pi ctu r e on the mo ni to r (1)



No picture appears on SCART1 - connected monitor during the tuner (U/V) reception.



Checklist:

1) Is the Signal Type (item) in MENU-Option-Input Select equal to Signal Type of an external device? …Set it to “CVBS”, “Y/C”, “RGB”, “AUTO”.

2) Is ANT-CABLE disconnected or connected improperly? …Connect it correctly as per the operation manual.

3) The picture is sent to the monitor in a CVBS signal if the source during display is ATV/DTV, CVBS or Y/C of SCART1, AV3. When sent by component, etc., that signal is not sent to the monitor.

4) When the monitor picture is not sent and is not displayed on the monitor, refer to “No picture” for each terminal.

5) The video output from SCART1 is not the monitor output (output of the picture now watching). The

icture of the last selected TV channel is always sent to SCART1. (Specification

TERMINAL_UNIT:

Is CVBS signal output into pin (19) of CN151 (SCART1)?

NO

Is U401 pin (AT31) CVBS signal output into pin (19) of CN151 (SCART1)?

Refer to “The picture doesn't appear in all modes.”



NO

YES

Check the setting of an external input device that connects of CN151.

Check the line between CN151 and U401.

< During external connec t ion > No pi ctu r e on the mo ni to r (2)

AVOUT:  No picture from SCART1 appears on AVOUT-connected monitor.

NOTE: Normally, if the screen during display is sent to SCART1, no picture is sent to AVOUT.



Checklist:

1) Is the Signal Type (item) in MENU-Option-Input Select equal to Signal Type of an external device? …Set it to “CVBS”, “Y/C”, “AUTO”.

2) The picture is sent to the monitor in a CVBS signal if the source during display is TV, CVBS or Y/C of SCART1, AV3. When sent by component, etc., that signal is not sent to the monitor.

3) When the monitor picture is not sent and is not displayed on the monitor, refer to “No picture” for each terminal.

4) The video output from SCART1 is not the monitor output (output of the picture now watching). The

TERMINAL_UNIT:

Is CVBS signal output into pin (2) of CN140?

NO

Is CVBS signal output from pin (AP31) of IC U401 into pin (2) of CN140 ?

Refer to “The picture doesn't appear in all modes.”

icture of the last selected TV channel is always sent to SCART1. (Specification



YES

NO

Check the setting of an external input device that connects of CN140.

Check the line between CN140 and IC U401.

2008-03-14

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

p

32” TROUBLESHOOTING TABLE

Power unit operation check.



Are the power cord and harness in the unit properly connected?

LINE_FILTER_UNIT:  YES

Is F901/F902 normal?

POWER_UNIT

Is BD901 (+320V) output? (Set the main power SW to OFF.)

YES

Is a voltage of +5V applied to pin (12,13) of connector (CN902)? (Set the main power SW to OFF.)

YES

Are +24V output as for the power on/off switch when it is on?

YES

Are +60V output as for the power on/off switch when it is on?

YES

Similarly, is +12V output as for the power on/off switch when it is on?

NO

Connect the power cord and harness properl y, and turn on the

ower.

LINE_FILTER_UNIT: Isn't RV901,C901,L901,C904,C902,C903,L902,RV903, etc. out of order? Moreover, whether the short-circuit with the circumference circuit is checked.

POWER_UNIT: BD901, FB905, C910, etc. out of order? Moreover, whether the short-circuit with the circumference circuit is checked.

Does the PFC circuit operate normally? (L906, Q901, D902, D903, IC901 and etc. And, the circuit around the protection circuit etc. is checked.)

Does the switching circuit operate normally? Check circuit around the primary side (T901, IC931, Q931, ZD931, ZD930, ZD980, ZD981, etc.), the secondary side (D935, L980, etc.), the AC_DET circuit (IC932, IC982, etc.), and the protection circuit.

Does the inverter circuit operate normally? Check circuit around the primary side (T902,Q951,Q952,IC951, D951,D952, etc.), the secondary side (D955, C943, etc.), and the protection circuit.

Does the inverter circuit operate normally? Check circuit around the second side (L907, Q991, D985, IC902, Q903 etc.)

Check +12V circuit of D962, L931, etc.

90

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

The sound is not emitted from the speaker though the picture has come out.



No sound output in all modes? TEREMINAL UNIT: 

Is the audio signal output of pin U36 (AR3), V37 (AL3) of IC U401 normal?

YES

Is audio signal input to pin (4)(L), pin (11)(R) of IC U601 (AMP)?

YES

Is MUTE circuit [ Shutdown, OFF_MUTE] normal?

YES

Is the audio signal output of pin (3, 4) (L-ch) and pin (1, 2) (R-ch) of CN601 (AOUDIO-CONNECTOR) normal?

YES

Check Speaker Box (right and left) and wire harness.

NO

Check IC U401 and its peripheral circuits.

Check the line between IC U605 and IC U601.

Check the Mute circuit. (Q601, Q602 etc.)

Check IC U601 and its peripheral circuits.

2008-03-14

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

(2) (

No sound (during the reception of TV (DIGITAL) broadcasting)



Does not the sound go out though the picture has come out when TV is received?

MAIN UNIT: 

Is the IF signal output from pin (16) and pin (17) of TUNER (TU102)?

NO

Check the tuner and its peripheral circuits. Replace as required.

YES

Is the IF signal sent to pin (AH35) and pin (AH37) of IC U401?

NO

Check IC U401 its peripheral circuits.

YES

Refer to “No sound output in all modes”.

No sound from external input devices (1)



Does not the sound of the audio signal input to SCART1 go out? TEREMINAL UNIT: 

Is the audio signal properly sent to pin (6) (SCT1_AUL_IN) and pin

SCT1_AUR_IN) of SCART1 (CN151)?

NO

Check the setting of an external input device that connects of CN151

YES

Is the audio signal properly sent to pin (AA32) and pin (AB33) of IC U401?

NO

Check the line between CN151 and IC U401

YES

Refer to “No sound output in all modes”.

No sound from external input devices (2)



Does not the sound of the audio signal input to SCART2 go out? TEREMINAL UNIT: 

Is the audio signal properly sent to pin (6) (SCT2_AUL_IN) and pin

SCT2 AUR IN) of SCART2 (CN152)?

NO

Check the setting of an external input device that connects of CN152

YES

Is the audio signal properly sent to pin (AC36) and pin (AB37) of IC U401?

NO

Check the line between CN152 and IC U401

YES

Refer to “No sound output in all modes”.

92

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No sound from external input devices (3)



Does not the sound of the audio signal input to AV1 (Component) go out? MAIN UNIT: 

Is the audio signal properly sent to pin (8) (YPbPrL_IN) and pin (10) (YPbPrR_IN) of CN111?

YES

Is the audio signal properly sent to pin (AD33) and pin (AC34) of IC U401?

YES

Refer to “No sound output in all modes”.

No sound from external input devices (4)



Does not the sound of the audio signal input to AV3(Composite) go out? MAIN UNIT: 

Is the audio signal properly sent to pin (4) (AV3_AudioLIN) and pi n (6) (AV3_AudioRIN) of CN136?

YES

Is the audio signal properly sent to pin (AD35) and pin (AB35) of IC U401?

YES

Refer to “No sound output in all modes”.

No sound from external input devices (4)



Does not the sound of the audio signal input to VGA go out? MAIN UNIT: 

Is the audio signal properly sent to pin (2) (VGA_AudioLI N) and pin (3) (VGA_AudioRIN) of CN102?

YES

Is the audio signal properly sent to pin (AA36) and pin (Y37) of IC U401?

YES

Refer to “No sound output in all modes”.

NO

Check the connection to CN111 and the external input device.

Check the line between CN111 and IC U401.

Check the connection to CN136 and the external input device.

Check the line between CN136 and IC U401.

Check the connection to CN102 and the external input device.

Check the line between CN102 and IC U401.

2008-03-14

93

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No sound from external input devices (5)



Does not the sound of the audio signal input to HDMI1/2/3 go out?



Is picture of the signal input from HDMI1/2/3 displayed?

NO

Refer to “Does not the picture of the HDMI signal input to HDMI1/2/3 go out?”.

YES

Refer to “No sound output in all modes”.

The audio signal is not output (1)



The audio signal of UHF/VHF is not output from SCART1. TEREMINAL UNIT: 

Is audio signal output from IC U106 sent to pin (3)(SCT1_AUL_OUT) and pin(1)(SCT1_AUR_OUT) of SCART1(CN151)?

YES

Check the connection to SCART1 and external devices.

NO

Is audio signal output from IC U401 is sent to pin (2)(1IN-) and pin (6)(2IN-)of IC U106?

YES

Check the line between IC U401 and IC U106.

NO

Check IC U401 and its peripheral circuits.

The audio signal is not output (2)



The audio signal of UHF/VHF/MONITOR is not output from SCART2. TEREMINAL UNIT: 

Is audio signal output from IC U605 sent to pin(3)(SCT2_AUL_OUT) and pin(1)(SCT2_AUR_OUT) of

YES

Check the connection to SCART2 and external devices.

NO

Is audio signal output from IC U401 is sent to pin (2)(1IN-) and pin (6)(2IN-)of IC U107?

YES

Check the line between IC U401 and IC U107

NO

Check IC U401 and its peripheral circuits.

94

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

The audio signal is not output (3)



No audio signal output from LINE_AUDIO_OUTPUT terminal. TEREMINAL UNIT: 

Is audio signal output from IC U107 sent to pin(4) (Audio_Line_Out_L) and pin (6) (Audio_Line_Out_R) of LINE_AUDIO_OUT connector(CN140)?

NO

Is audio signal output from IC U401 is sent to pin (2)(1IN-) and pin (6)(2IN-)of IC U107?

NO

Check IC U401 and its peripheral circuits.

The audio signal is not output (4)



No audio signal output from SPDIF_OUTPUT terminal. TEREMINAL UNIT:

Is ASPDIF audio signal output from pin (K33) of IC U401 to pin (2) of connector CN603?

NO

Check IC U401 and its peripheral circuits.

The audio signal is not output (5)



No sound from HEADPHONE_OUTPUT terminal. MINI AV_UNIT: 

Is the HP_DET# signal input into pin (AE6) of IC U401 from pin (6) of a headphone terminal (CN602)?

YES

Is the audio signal output from IC U602 to pin(2) (HPOUTL ) and pin (3) (HPOUTR) of headphone terminal CN602?

YES

Is the audio signal output from IC U401 pin(V35) and pin(U34) sent to pin(1)(INL-) and pin(4)(INR-) of IC U602?

YES

Check IC U401 and its peripheral circuits.

YES

NO

Check the connection to LINE_AUDIO_OUT and external devices.

Check the line between IC U401 and IC U107.

Check the connection to SPDIF_OUT and external devices.

Check the connection to CN602 and external headphone is plug in well.

Check the line between IC U602 and CN602.

Check the line between IC U401 and IC U602.

2008-03-14

95

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No picture on the display (1)



The picture doesn't appear in all modes. MAIN UNIT:

Is LVDS signal output from 1st_channel and 2nd_channel of IC U401 in each mode? (A0N/A0P),(A1N/A1P),(A2N/A2P),(A3N/A3P),(CK1N/CK1P)

NO

YES

Is the above-mentioned LVDS signals output to connector CN408?

NO

Check IC U401 and its peripheral control circuits.

Check the line between IC U401 and CN408.

YES

Is LCD controller's control signal normal?

MEMC_UNIT:

Similarly, is the LVDS signal input to connector CN405 of the

YES

NO

Control signals BRIGHT_ADJ, INVERTER_ON_OFF, PANEL_VCC_ON/OFF, and it peels off and whether normality is checked.

Wire harness is checked.

YES

Check is the LVDS signal out from the connector CN40 6, CN 407 of MEMC module.

PANEL_UNIT: YES

Similarly, is the LVDS signal input to connector of the panel

NO

Check IC U404 and its peripheral circuits.

Wire harness is checked.( MEMC module to Panel module )

YES

Check the panel module.

No picture on the display (2)



Does not the picture come out when TV (Antenna) is received? TERMINAL UNIT: 

Is the voltage of regulation for a TUNER circuit and the power supply terminal of IC U401 supplied?

YES

Is IF signal output from pin (16), (17) of TUNER (TU102) to pin (AH35), pin (AH37) of IC U401?

NO

Each power supply circuit is checked.

Check the tuner, IC U401 and their peripher al circuits. Replace as required.

MAIN_UNIT: YES

Do X4150 (54.00MHz) oscillate?

NO

Check X4150 and its peripheral circuits.

YES

Refer to “The picture doesn't appear in all modes.”

96

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

No picture on the display (3)



Does not the picture come out when TV (Cable) is received? TERMINAL UNIT: 

Is the voltage of regulation for a TUNER circuit and the power supply terminal of IC U401 supplied?

YES

Is IF signal output from pin (16), (17) of TUNER (TU102) to pin (29), pin (30) of IC U101?

YES

Is MPEG data (CI_INDATA0, TSYNC, TCK) signal from pin (11), (8) (9) of IC U101 are output to IC U401?

MAIN_UNIT:

Do X4150 (54.00MHz) oscillate?

YES

Refer to “The picture doesn't appear in all modes.”

<External input SCART1, SCART2>No picture on the display (4)



Does not the picture of the CVBS signal input to SCART1 go out? Does not the picture of the CVBS signal input to SCART2 go out?

TERMINAL UNIT: 

Is CVBS signal sent to pin (20) of SCART1 (CN151)? Is CVBS signal sent to pin (20) of SCART2 (CN152)?

MAIN_UNIT:

Is CVBS signal sent to pin (AP33) of IC U401? Is CVBS signal sent to pin (AT33) of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

NO NO

Each power supply circuit is checked.

Check the tuner, IC U101 and their peripher al circuits. Replace as required.

Check IC U101 and their peripheral circuits. Replace as required.

Check X4150 and its peripheral circuits.

Check the setting of an external input device that connects of CN151.

Check the setting of an external input device that connects of CN152.

Check the line between IC U401 and CN151.

Check the line between IC U401 and CN152.

2008-03-14

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LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

<External input SCART1>No pict u re on the di sp lay (5 )



Does not the picture of the R/G/B video signal input to SCART1 go out? TERMINAL UNIT: 

Is RGB signal sent to pin (15)/R, (11)/G, (7)/B, of SCART1 (CN151)?

MAIN_UNIT: YES

Is RGB signal sent to pin (AU30)/R, (AP29)/G, (AR28)/B of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN151.

Check the line between IC U401 and CN151.

<External input SCART1, SCART2>No picture on the display (6)



Does not the picture of the Y/C signal input to SCART1 go out? Does not the picture of the Y/C signal input to SCART2 go out?

TERMINAL UNIT: 

Is Y/C signal sent to pin (20) and (15) of SCART1 (CN151)? Is Y/C signal sent to pin (20) and (15) of SCART2 (CN152)?

MAIN_UNIT:

Is Y/C signal sent to pin (AP33)/Y, (AU30)/C of IC U401? Is Y/C signal sent to pin (AT33)/Y, (AR34)/C of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

<External input AV3>No picture on the display (7)

NO

Check the setting of an external input device that connects of CN151.

Check the setting of an external input device that connects of CN152.

Check the line between IC U401 and CN151.

Check the line between IC U401 and CN152.



Does not the picture of the composite video signal input to AV3(Composite) go out? TERMINAL UNIT: 

Is CVBS signal sent to pin (2) of AV3 (CN136)?

MAIN_UNIT: YES

Is CVBS signal sent to pin (AU36) of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN136.

Check the line between IC U401 and CN136.

98

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

)

(26,

)

(26,

<External input HDMI1,2,3>No picture on the display (8)



Does not the picture of the HDMI signal input to HDMI1 go out? MINI AV_UNIT: 

Is the HOT_PLUG detection function of pin (19) of a HDMI terminal (CN502) normal?

YES

Are EDID data pin (6)(SCL) of IC U503 (EEPROM), pin (5)(SDA) accessed, and is it read from pin (15), pin (16) of a HDMI terminal(CN502)?

Is TMDS signal input into pin(63, 62)/RX2-2±,(60, 59)/RX2-1±, (57,

/RX2-0±, (54, 53)/RX2-C± of IC U501?

56

Is TMDS signal output from pin(17, 18)/ 2±,(20, 21)/ 1±, (23, 24)/ 0±,

27)/C± of IC U501?

Refer to “The picture doesn't appear in all modes.”

YES

YES

Does not the picture of the HDMI signal input to HDMI2 go out? MINI AV_UNIT: 

Is the HOT_PLUG detection function of pin (19) of a HDMI terminal (CN501) normal?

YES

Are EDID data pin (6)(SCL) of IC U502 (EEPROM), pin (5)(SDA) accessed, and is it read from pin (15), pin (16) of a HDMI terminal(CN502)?

Is TMDS signal input into pin(14, 13)/RX1-2±,(11, 10)/RX1-1±, (8,

/RX1-0±, (5, 4)/RX1-C± of IC U501?

7

Is TMDS signal output from pin(17, 18)/ 2±,(20, 21)/ 1±, (23, 24)/ 0±,

27)/C± of IC U501?

YES

NO

Check the line between pin (50) of IC U501 and CN502.



Check the connection and setup with the external HDMI devices.

Is access possible in the re-writing or exchange of EDID data of

NO

Check CN502, IC U503 and peripheral circuits.

Check the line between IC U501 and CN502.

Check IC U501 and peripheral circuits.

Check the line between pin (64) of IC U501 and CN501.



Check the connection and setup with the external HDMI devices.

Is access possible in the re-writing or exchange of EDID data of IC U502?

NO

Check CN502, IC U503 and peripheral circuits.

Check the line between IC U501 and CN501.

Check IC U501 and peripheral circuits.

Refer to “The picture doesn't appear in all modes.”

↓ YES

2008-03-14

99

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320

)

(26,

Does not the picture of the HDMI signal input to HDMI3 go out? MINI AV_UNIT: 

Is the HOT_PLUG detection function of pin (19) of a HDMI terminal (CN506) normal?

NO

Check the line between pin (35) of IC U501 and CN506.

Check the connection and setup with the external HDMI devices.

YES

Are EDID data pin (6)(SCL) of IC U504 (EEPROM), pin (5)(SDA) accessed, and is it read from pin (15), pin (16) of a HDMI terminal (CN506)?

Is TMDS signal input into pin(48, 47)/RX3-2±,(45, 44)/RX3-1±, (42, 41

Is TMDS signal output from pin(17, 18)/ 2±,(20, 21)/ 1±, (23, 24)/ 0±,

YES

/RX3-0±, (39, 38)/RX3-C± of IC U501?

YES

27)/C± of IC U501?

NO

Is access possible in the re-writing or exchange of EDID data of IC U504?

NO

Check CN506, IC U504 and peripheral circuits.

Check the line between IC U501 and CN506.

Check IC U501 and peripheral circuits.



Refer to “The picture doesn't appear in all modes.”

YES

<External input VGA>No picture on the display (9)



Does not the picture of the PC IN(ANALOG) video signal input to VGA(15pin-D-SUB terminal) go out? TERMINAL_UNIT: 

Is R/G/B/H/V signal sent to pin (1)/R, (2)/G, (3)/B, (14 )/H, (13)/V of VGA (CN101)?

MAIN_UNIT: YES

Is R/G/B/H/V signal sent to pin (AT25)/R, (AU24)/G, (AT23)/B, (AR22)/H, (AU22)/V of IC U401?

Refer to “The picture doesn't appear in all modes.”

YES

NO

Check the setting of an external input device that connects of CN101.

Check the line between IC U401 and CN101.

100

Sharp LC-32LE320, LC-42LE320 Schematic

Specifications and Main Features

Frequently Asked Questions

User Manual