Sharp LC-52DH77E Schematic
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LC-52DH77E/RU/S
SERVICE MANUAL
No. S49Z2LC52D77E
LCD COLOUR TELEVISION
MODELS
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used.
LC-52DH77E/RU/S
CONTENTS
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRE-
CAUTION ............................................................i
Precautions for using lead-free solder ...............ii
End of life disposal ............................................ iii
CHAPTER 1. OPERATION MANUAL
[1] SPECIFICATIONS ......................................... 1-1
[2] OPERATION MANUAL .................................. 1-2
[3] DIMENSIONS ................................................ 1-7
CHAPTER 2. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS ................... 2-1
CHAPTER 3. ADJUSTMENT PROCEDURE
[1] ADJUSTMENT PROCEDURE ....................... 3-1
CHAPTER 5. BLOCK DIAGRAM/WIRING DIAGRAM
[1] MAIN BLOCK DIAGRAM...............................5-1
[2] SYSTEM BLOCK DIAGRAM .........................5-2
[3] OVERALL WIRING DIAGRAM ......................5-3
CHAPTER 6. PRINTED WIRING BOARD
[1] MAIN UNIT PRINTED WIRING BOARD........6-1
[2] LED UNIT PRINTED WIRING BOARD .........6-5
[3] KEY UNIT PRINTED WIRING BOARD ......... 6-6
CHAPTER 7. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM............................................................7-1
[2] SCHEMATIC DIAGRAM ................................7-2
Parts Guide
CHAPTER 4. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE ....................... 4-1
[2] LED flashing specification at the time of the
error.............................................................. 4-14
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.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-52DH77E/RU/S
LC52DH77E
SAFETY PRECAUTION
Service Manual
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.
• 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.
F7000, F7001 (4A/250V)
DVM
AC SCALE
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.
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
TO EXPOSED
METAL PARTS
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.
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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.
1.5k ohm
10W
0.15µF
TEST PROBE
CONNECT TO
KNOWN EARTH
GROUND
i
LC-52DH77E/RU/S
Precautions for using lead-free solder
Employing lead-free solder
• “PWBs” of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The
alphabetical character following LF shows the type of lead-free solder.
Example:
L Fa
Indicates lead-free solder of tin, silver and copper.
Indicates lead-free solder of tin, silver and copper.
L F a/a
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.
Lead-free wire solder for servicing
Part No. Description Code
ZHNDAi123250E J φ0.3mm 250g (1roll) BL
ZHNDAi126500E J φ0.6mm 500g (1roll) BK
ZHNDAi12801KE J φ1.0mm 1kg (1roll) BM
ii
LC-52DH77E/RU/S
End of life disposal
End of life disposal
A. Information on Disposal for Users (private households)
1. In the European Union
Attention: If you want to dispose of this equipment, please do not use the ordinary dust bin!
Used electrical and electronic equipment must be treated separately and in accordance with legislation that requires
proper treatment, recovery and recycling of used electrical and electronic equipment.
Following the implementation by member states, private households within the EU states may return their used
Attention: Your product
is marked with this
symbol. It means that
used electrical and
electronic products
should not be mixed
with general household
waste. There is a
separate collection
system for these
products.
electrical and electronic equipment to designated collection facilities free of charge*. In some countries* your local
retailer may also take back your old product free of charge if you purchase a similar new one.
*) Please contact your local authority for further details.
If your used electrical or electronic equipment has batteries or accumulators, please dispose of these separately
beforehand according to local requirements.
By disposing of this product correctly you will help ensure that the waste undergoes the necessary treatment, recovery
and recycling and thus prevent potential negative effects on the environment and human health which could otherwise
arise due to inappropriate waste handling.
2. In other Countries outside the EU
If you wish to discard this product, please contact your local authorities and ask for the correct method of disposal.
For Switzerland: Used electrical or electronic equipment can be returned free of charge to the dealer, even if you don’t
purchase a new product. Further collection facilities are listed on the homepage of www.swico.ch or www.sens.ch.
B. Information on Disposal for Business Users
1. In the European Union
If the product is used for business purposes and you want to discard it:
Please contact your SHARP dealer who will inform you about the take-back of the product. You might be charged for
the costs arising from take-back and recycling. Small products (and small amounts) might be taken back by your local
collection facilities.
For Spain: Please contact the established collection system or your local authority for take-back of your used
products.
2. In other Countries outside the EU
If you wish to discard of this product, please contact your local authorities and ask for the correct method of disposal.
The battery supplied with this product contains traces of Lead.
For EU: The crossed-out wheeled bin implies that used batteries should not be put to the general household waste!
There is a separate collection system for used batteries, to allow proper treatment and recycling in accordance with
legislation. Please contact your local authority for details on the collection and recycling schemes.
For Switzerland: The used battery is to be returned to the selling point.
For other non-EU countries: Please contact your local authority for correct method of disposal of the used battery.
iii
LC52DH77E
CHAPTER 1. OPERATION MANUAL
[1] SPECIFICATIONS
LC-52DH77E/RU/S
Service Manual
Item
LCD panel
Resolution
Video Colour System PAL/SECAM/NTSC 3.58/NTSC 4.43/PAL 60
TV Function TV-Standard Analogue CCIR (B/G, I, D/K, L/L')
Digital DVB-T (2K/8K OFDM)
Receiving
Channel
TV-Tuning System Auto Preset 999 ch: non-Nordic / 9999 ch: Nordic (ATV: 99 ch), Auto Label, Auto Sort
STEREO/BILINGUAL NICAM/A2
Brightness 450 cd/m
Viewing angles H: 176°, V: 176°
Audio amplifier
Speaker
Terminals Antenna
RS-232C D-Sub 9 pin male connector
EXT1 SCART (AV input, Y/C input, RGB input, TV output)
EXT2 SCART (AV input/monitor output, Y/C input, AV Link)
EXT3 COMPONENT IN: Y/P
EXT4 15 pin mini D-sub, Ø 3.5 mm jack*
HDMI1 (EXT5) HDMI
HDMI2 (EXT6) HDMI, Ø 3.5 mm jack*
HDMI3 (EXT7) HDMI
EXT8 RCA pin (AV input)
USB USB
DIGITAL AUDIO OUTPUT Optical S/PDIF Digital audio output
C. I. (Common Interface) EN50221, R206001
OUTPUT RCA pin (AUDIO R/L)
Headphones Ø 3.5 mm jack (Audio output)
OSD language Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Italian,
Power Requirement AC 220-240 V, 50 Hz
Power Consumption (Method IEC62087)
Weight 23.5 kg (Without stand), 27.0 kg (With stand)
Operating temperature
The HDMI2 and EXT4 terminals can both use the same audio input terminal.
*
As a part of our policy of continuous improvement, SHARP reserves the right to make design and specification changes 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.
VHF/UHF E2-E69 ch, F2-F10 ch, I21-I69 ch, IR A-IR J ch (Digital: IR A ch-E69 ch)
CATV Hyper-band, S1-S41 ch
52" LCD COLOUR TV,
Model: LC-52DH77E, LC-52DH77RU, LC-52DH77S
52" Advanced Super View & BLACK TFT LCD
2,073,600 pixels (1,920 1,080)
2
10 W 2
(40 mm 110 mm) 2
UHF/VHF 75 Ω Din type (Analogue & Digital)
B(CB
)/PR(CR), RCA pin (AUDIO R/L)
Latvian, Lithuanian, Norwegian, Polish, Portuguese, Russian, Slovak, Slovene, Spanish,
Swedish, Turkish, Ukrainian
252 W (0.2 W Standby)
0°Cto+40°C
NOTE
Refer to the inside back cover for dimensional drawings.
Optional accessory
The listed optional accessories are available for this LCD
colour TV. Please purchase them at your nearest shop.
Additional optional accessories may be available in the near
future. When purchasing, please read the newest catalogue for
compatibility and check the availability.
No. Part name Part number
Wall mount bracket
1
(LC-52DH77E, LC-52DH77RU,
LC-52DH77S)
1 – 1
AN-52AG4
LC-52DH77E/RU/S
[2] OPERATION MANUAL
Remote control unit
1
2
3
4
5
6
7
8
9
10
11
(Standby/On)
Buttons for useful operations
(Teletext)
ATV: Display analogue teletext.
DTV: Select MHEG-5 and teletext for
DTV.
(Reveal hidden Teletext)
(Subtitle)
Switch subtitle languages on/off.
(Freeze/Hold)
Press to freeze a moving image on
the screen.
Teletext: Stop updating teletext
pages automatically or release the
hold mode.
(Subpage)
(Top/Bottom/Full)
Set the area of magnification in
teletext mode.
0–9 numeric buttons
Set the channel.
Enter desired numbers.
Set the page in teletext mode.
•
When the five Nordic countries
(Sweden, Norway, Finland,
Denmark, or Iceland) are selected
in the country setting from “Auto
Installation”, DTV services are
four digits. When another country is
selected, DTV services are three digits.
(Flashback)
Press to return to the previously
selected channel or external input.
DTV
Press to access digital TV mode.
ATV
Press to access conventional
analogue TV mode.
(Sound mode)
Select a sound multiplex mode.
+/- (Volume)
Increase/decrease TV volume.
(Mute)
TV sound on/off.
(WIDE MODE)
Select a wide mode.
AV MODE
Select a video setting.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
12
///
Select a desired item on the setting
screen.
OK
Execute a command within the
“MENU” screen.
ATV/DTV: Display the programme
list when no other “MENU” screen is
running.
(Cursor)
15
16
17
18
19
20
21
22
23
24
25
13
END
Exit the “MENU” screen.
14
R/G/Y/B (Colour) buttons
The coloured buttons are
correspondingly used to select the
coloured items on the screen (e.g.
EPG, MHEG-5, Teletext).
15
16
17
18
19
20
21
22
23
24
25
(INPUT SOURCE)
Select an input source.
EPG
DTV: Display the EPG screen.
RADIO
DTV: Switch between Radio and
Data mode.
•
When only data broadcasting (no
radio broadcasting) is transmitted
by DVB, the radio broadcasting
will be skipped.
P. INFO
Press to display programme
information which is transmitted
through digital video broadcasting in
the upper left corner of the screen
(DTV only).
P
/
Select the TV channel.
(Display information)
Press to display the station
information (channel number, signal,
etc.) in the upper right corner of the
screen.
ECO (Standard/Advanced/Off)
Select “Energy Save” setting.
MENU
“MENU” screen on/off.
(Return)
Return to the previous “MENU”
screen.
SLEEP
Press to schedule a time for the TV
to automatically standby.
AQUOS LINK buttons
If external equipment such as a
AQUOS BD Player is connected via
HDMI cables and is AQUOS LINK
compatible, you can use these
AQUOS LINK buttons.
1 – 2
TV (Front view)
LC-52DH77E/RU/S
OPC indicatorRemote control sensor
TV (Rear view)
1
4 56
OPC sensor
2
(Standby/On) indicator
16
11
3
12
13
The terminal layout may differ depending
*
on the model.
14
15
7 8 9 10
WARNING
Excessive sound pressure from earphones and headphones can cause hearing loss.
•
Do not set the volume at a high level. Hearing experts advise against extended listening at
•
high volume levels.
1
EXT4 (ANALOGUE RGB/AUDIO)
terminals*
2
HDMI1 (HDMI) terminal
3
HDMI2 (HDMI/AUDIO) terminals*
4
EXT3 (COMPONENT/AUDIO)
terminals
OUTPUT (AUDIO) terminals
5
DIGITAL AUDIO OUTPUT terminal
6
7
Antenna terminal
8
RS-232C terminal
9
EXT1 (RGB) terminal
10
EXT2 (AV) terminal
11
COMMON INTERFACE slot
12
EXT8 terminals
13
HDMI3 (HDMI) terminal
14
USB terminal
15
Headphones
16
AC INPUT terminal
1 – 3
(Power) button
MENU button
(INPUT SOURCE)
button
P /
Programme (channel)
buttons
+/ Volume
buttons
*
The HDMI2 and EXT4 terminals
can both use the same audio input
terminal. However, the proper item
must be selected in the “PC Audio
Select” menu.
LC-52DH77E/RU/S
Attaching the stand unit
Before attaching (or detaching) the stand, unplug the AC cord from the AC INPUT terminal.
•
Before performing work, spread cushioning over the surface on which you will be laying the TV. 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.
•
3
Confirm that there are eight screws (four short
1
screws and four long screws) with the stand unit.
2
Attach the supporting post for the stand unit
onto the base using the four long screws with
the hex key (supplied) as shown.
Hex key
Inserting the stand.
Insert the stand into the openings on the
1
bottom of the TV (Hold the stand so it will
not drop from the edge of the base area).
Insert and tighten the four short screws into
2
the four holes on the rear of the TV.
Short screw
Soft cushion
Hex key
2 2
Supporting
post
Long screw
1
1
NOTE
To detach the stand unit, perform the steps in reverse
•
order.
1 – 4
LC-52DH77E/RU/S
Inserting the batteries
Before using the TV for the first time, insert two supplied “AAA” size zinc-carbon batteries. When the batteries
become depleted and the remote control unit fails to operate, replace the batteries with new “AAA” size batteries.
Open the battery cover.
1
2
Insert two supplied “AAA” size zinc-carbon
batteries.
Place batteries with their terminals corresponding to the
•
(+) and (-) indications in the battery compartment.
Close the battery cover.
3
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 have worn out. Chemicals that leak from batteries 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.
If you will not be using the remote control unit for an extended period of time, remove the batteries from it.
•
When replacing the batteries, use zinc-carbon batteries instead of alkaline ones.
•
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.
Using 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.
5m
30° 30°
Remote control sensor
Cautions regarding the remote control unit
•
Do not expose the remote control unit to shock. In addition, do not expose the
remote control unit to liquids, and do not place in an area with high humidity.
•
Do not install or place the remote control unit under direct sunlight. The heat
may cause deformation of the unit.
•
The remote control unit may not work properly if the remote control sensor of
the TV is under direct sunlight or strong lighting. In such cases, change the
angle of the lighting or the TV, or operate the remote control unit closer to the
remote control sensor.
1 – 5
LC-52DH77E/RU/S
Troubleshooting
Problem Possible Solution
No power.•
The TV cannot be operated.•
Remote control unit does not operate.•
Picture is cut off.• Is the image position correct?
Strange colour, light colour, or dark
• Adjust the picture tone.
colour, or colour misalignment.
Power is suddenly turned off.• The TV’s internal temperature has increased.
No picture.• Are connections to external equipment correct?
No sound.• Is the volume too low?
The TV sometimes makes a cracking
• This is not a malfunction. This happens when the cabinet slightly expands and contracts
sound.
Check if you pressed on the remote control unit.
•
If the indicator on the TV lights up red, press .
Is the AC cord disconnected?
•
Check if you pressed on the TV.
•
External influences such as lightning, static electricity, etc., may cause improper operation. In this
•
case, operate the TV after first turning off the power, or unplugging the AC cord and re-plugging
it in after one or two minutes.
Are batteries inserted with polarity (+, -) aligned?
•
Are batteries worn out? (Replace with new batteries.)
•
Are you using it under strong or fluorescent lighting?
•
•
Is a fluorescent light illuminating to the remote control sensor?
•
Are screen mode adjustments (WIDE MODE) such as picture size made correctly?
•
•
Is the room too bright? The picture may look dark in a room that is too bright.
•
Check the “Colour System” setting.
•
•
Remove any objects blocking the vent or clean.
•
Is the “Sleep Timer” set? Select “Off” from the “Sleep Timer” menu.
Is “No Signal Off” or “No Operation Off” activated?
•
•
Is the input signal type selected correctly after connection?
•
Is the correct input source selected?
•
Is a non-compatible signal being input?
•
Is the picture adjustment correct?
•
Is the antenna connected properly?
•
Is “On” selected in “Audio Only”?
•
•
Make sure that headphones are not connected.
•
Check if you pressed on the remote control unit.
•
Is the proper item selected in the “PC Audio Select” menu when connecting devices to the
•
HDMI2 terminal or the EXT4 terminal?
•
according to changes in temperature. This does not affect the TV’s performance.
Cautions regarding use in high and low temperature environments
•
When the TV is used in a low temperature space (e.g. room, office), the picture may leave trails or appear slightly delayed.
This is not a malfunction, and the TV will recover when the temperature returns to normal.
Do not leave the TV in a hot or cold location. Also, do not leave the TV in a location exposed to direct sunlight or near a
•
heater, as this may cause the cabinet to deform and the LCD panel to malfunction.
Storage temperature: +5 °C to +35 °C.
Information on the software license for this product
Software composition
The software included in this product is comprised of various software components whose individual copyrights are held by
SHARP or by third parties.
Software developed by SHARP and open source software
The copyrights for the software components and various relevant documents included with this product that were developed
or written by SHARP are owned by SHARP and are protected by the Copyright Act, international treaties, and other relevant
laws. This product also makes use of freely distributed software and software components whose copyrights are held by
third parties. These include software components covered by a GNU General Public License (hereafter GPL), a GNU Lesser
General Public License (hereafter LGPL) or other license agreement.
Obtaining source code
Some of the open source software licensors require the distributor to provide the source code with the executable software
components. GPL and LGPL include similar requirements. For information on obtaining the source code for the open source
software and for obtaining the GPL, LGPL, and other license agreement information, visit the following website:
http://www.sharp-eu.com/gpl/
We are unable to answer any questions about the source code for the open source software. The source code for the
software components whose copyrights are held by SHARP is not distributed.
Acknowledgements
The following open source software components are included in this product:
• linux kernel • busy box • uClibc • zlib • libpng • libjpeg
1 – 6
[3] DIMENSIONS
LC-52DH77E/RU/S
1254.0
Unit: mm
1157.0
863.9
400.0
815.9
48.0
145.0
527.6
400.0
651.0
485.5
118.0 111.7
10°
10°
325.0
1 – 7
LC-52DH77E/RU/S
LC52DH77E
CHAPTER 2. REMOVING OF MAJOR PARTS
Service Manual
[1] REMOVING OF MAJOR PARTS
1. Removing of Stand Unit and Back Cabinet Ass’y.
1. Remove the 4 lock screws and detach the Stand Unit.
2. Remove the 4 lock screws , 1 lock screw , 11 lock screws and detach the Back Cabinet Ass’y.
1
2
3 4
Back Cabinet Ass'y
Front Cabinet Ass'y
4
3
2
1
Stand Unit
2 – 1
2. Removing of Bottom Cover, Speaker (L/R), Control Cover Ass’y, KEY Unit and LED Unit.
1. Disconnect all the connectors from all the PWBs.
2. Remove the Bottom Cover.
2
3. Remove the Speaker (L) , (R) .
4. Remove the Control Cover Ass’y.
5. Remove the KEY Unit.
6. Remove the LED Unit.
1
Control Cover Ass'y
[KM]
[RA]
LC-52DH77E/RU/S
KEY Unit
LED Unit
2
[KM]
[RA]
Speaker (R)
[SP]
[SP]
Bottom Cover
[SP]
Speaker (L)
1
2 – 2
LC-52DH77E/RU/S
6
3. Removing of Side AV Cover Ass’y and Full Shield.
1. Remove the 1 lock screw , 2 lock screws and detach the Side AV Cover Ass’y.
2. Remove the 2 lock screws , 4 lock screws , 1 lock screw , 5 lock screws and detach the Full Shield.
1
3 4
2
5
2
1
Side AV
Cover Ass'y
4
3
6
Full Shield
4
5
2 – 3
4. Removing of Connectors.
1. Disconnect all the connectors from all the PWBs.
LC-52DH77E/RU/S
INVERTER Unit
[LB2]
[LA]
[LW] [LP][PL]
MAIN Unit
[LB1]
LCD Control Unit
[PD]
[LW]
[LP]
[LB1]
[PD]
[PL]
[LB2]
[LA]
POWER Unit
2 – 4
LC-52DH77E/RU/S
5. Removing of POWER Unit, MAIN Unit, Corner Lug (A/B/L/S), Vesa Angle Bottom Ass’y, Vesa Angle Top Ass’y
and LCD Panel Module.
1. Remove the 6 lock screws , 3 hooks and detach the POWER Unit.
2. Remove the 7 lock screws and detach the MAIN Unit.
3. Remove the 6 lock screws , 10 lock screws and detach the Corner Lug (A/B/L/S).
4. Remove the 6 lock screws and detach the Vesa Angle Bottom Ass’y.
5. Remove the 4 lock screws and detach the Vesa Angle Top Ass’y.
6. Remove the 6 hooks and detach the LCD Panel Module.
1
3
4
6
7
2
5
5
Corner Lug (A)
Hook
7
7
Vesa Angle Top Ass'y
6
6
Vesa Angle Bottom Ass'y
Corner Lug (B)
Corner Lug (A)
5
Corner Lug (B)
Hook
LCD Panel Module
Corner Lug (L)Corner Lug (L)
Hook Hook
Hook
2 Power
PWB
4
5
5
4
Corner Lug (S)
3
MAIN Unit
POEWR Unit
Holder
1
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6. Removing of LCD Panel Module.
1. Remove the 16 lock screws and detach the Bezel Ass’y .
2. Detach the Lens Sheet and Diffusion Plate .
3. Detach the 2 pieces Lamp Holder Unit , Socket and detach the following 18 pieces Lamp from BL Chassis Ass'y .
1
3 4
5
7
Lamp Holder Unit
5
2
7
Socket
6
BL Chassis Ass'y
8
8
6
1
1
2
Bezel Ass'y
3
Lens Sheet
4
Lamp
Diffusion Plate
Lamp Holder Unit
5
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LC-52DH77E/RU/S
LC52DH77E
CHAPTER 3. ADJUSTMENT PROCEDURE
Service Manual
[1] ADJUSTMENT PROCEDURE
1. Adjustment method after PWB and/or IC replacement due to repair
The unit is set to the optimum at the time of shipment from the factory. If any value should become improper or any adjustment is necessary due to
the part replacement, make an adjustment according to the following procedure.
1. Procure the following units in order to replace the main unit, IC3302.
MAIN UNIT: DUNTKF190FM01
NOTE: [Caution when replacing ICs in the main unit (IC501, IC1504, IC2002)]
The above ICs are EEPROMs storing the EDID data of PC, HDMI and Monitor microcomputer.
Before replacing the relevant part, procure the following parts in which the data have been rewritten.
IC501 RH-iXC697WJQZS PC
IC2002 RH-iXC786WJN1Q Monitor microcomputer
2. After replacing the LCD panel or LCD control UNIT, check PANEL_SIZE in the following procedure.
1) Enter the process adjustment mode in AVC.
2) Use the cursor keys ( / ) and P keys ( / ) of R/C to select the item [PANEL_SIZE] on the page 16/16.
3) Verify that the panel size is displayed.
4) If the size doesn't match, select the values of the panel size with the VOL (+/-) keys.
5) After selection in Step 4), press the OK key, and it is completed with OK displayed.
3. After replacing the LCD panel or LCD control PWB, adjust the VCOM in the following procedure.
1) Enter the process adjustment mode.
2) Use the cursor keys ( / ) and P ( / ) of R/C to select the item [VCOM ADJ] on the page 10/16.
3) Press the OK key to verify that the adjustment pattern is displayed.
4) Use the +/- keys of VOL of R/C to adjust the flicker in the center of the screen to minimum.
5) When the optimal state is achieved in Step 4, press the OK key to turn the pattern to OFF.
2. Entering and exiting the adjustment process mode
1. Unplug the AC power cord of running TV set to force off the power.
2. While holding down the “VOL (-)” and “INPUT” keys on the set at once, plug in the AC power cord to turn on the power.
The letter “K” appears on the screen.
3. Next, hold down the “VOL (-)” and “P ( )” keys on the set at once.
Multiple lines of blue characters appearing on the screen indicate that the set is now in the adjustment Process mode.
If you fail to enter the adjustment process mode (the display is the same as normal startup), retry the procedure.
4. To exit the adjustment process mode after the adjustment is done, unplug the AC power cord to force off the power. (When the power is turned off
with the remote controller, once unplug the AC power cord and plug it in again. In this case, wait 10 seconds or so before plugging.)
CAUTION: Use due care in handling the information described here lest the users should know how to enter the adjustment process mode.
If the settings are tampered with in this mode, unrecoverable system damage may result.
3. Remote controller key operation and description of display in adjustment process mode.
1. key operation
Remote controller key Main unit key Function
P (/) P (/ )
VOL (+/-) VOL (+/-) Changing a selected item setting (+1/-1)
Cursor ( / )
Cursor (</>) — Changing a selected line setting (+10/-10)
INPUT INPUT Input source switching (toggle switching) (TV→EXT1~8)
OK — Executing a function
RETURN — Returning to a present page
Input mode is switched automatically when relevant adjustment is started so far as the necessary input signal is available.
— Turning a page (PREVIOUS/NEXT)
Moving an item (line) by one (UP/DOWN)
3 – 1
4. Description of display
(1) Present page / number of total pages (4) Inducing display
(3) Present colour system
(2) Input that has been selected now (5) Model name
1/16 INPUT1 AUTO EURO 52E_DH77E
MAIN Version 1.00 (E 2008/**/** 1HDE2)
BOOT Version
Monitor Version 1.0
T-CON /H.264Version
CPLD Version c3
EQ DATA CHECKSUM ROM
LAMP ERROR 0
MONITOR ERR CAUSE 11 11 1 1 11
NORMAL STANDBY CAUSE 0
ERROR STANDBY CAUSE 1) 0 2) 0 3) 0
0H 0M 0H 0M 0H 0M
4) 0 5) 0
0H 0M 0H 0M
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(6) Item name (7) Parameter
No. Description Display specification
(1) Present page/number of total pages 2char/2char Decimal Number mark.
(2) Input that has been selected now TUNER/DTV/INPUT1/INPUT2/INPUT3/INPUT5/INPUT6/INPUT7/INPUT8
(3) Present colour system NTSC/PAL/SECAM/COMP15K/COMP33K/COMP45K/COMP28K/COMP31K
(4) Inducing display EUROPE/RUSSIA/SWEDEN
(5) Model name MODEL NAME
(6) Item name Max. 30 char
(7) Parameter Max. 60 char
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5. Adjustment process mode menu
The character string in brackets [ ] will appear as a page title in the adjustment process menu header.
Page Line Item Description Remarks (adjustment detail, etc.)
1/16 [INFO]
1 MAIN Version Main software version
2 BOOT Version BOOT Version.
3 Monitor Version Monitor software version
4 T-CON/H.264 Version T-CON/H.264 Version
5 CPLD Version CPLD Version.
6 EQ DATA CHECKSUM Audio data checksum.
7 LAMP ERROR Number of termination due to lamp error.
8 MONITOR ERR CAUSE Last error standby cause.
9 NORMAL STANDBY CAUSE Situation that became standby at the end. (Excluding the error)
10 ERROR STANDBY CAUSE [1] 0 0H 0M Error standby cause Total operating time before error.
[2] 0 0H 0M
[3] 0 0H 0M
[4] 0 0H 0M
[5] 0 0H 0M
2/16 [INIT]
1 INDUSTRY INIT Enter Initialization to factory settings execution.
2 INDUSTRY INIT (-Hotel) OFF Initialization to factory settings execution. (Hotel mode is excluded)
3 HOTEL MODE OFF Hotel mode ON/OFF setting
4 Center Acutime 5H 0M Main operating hours.
5 RESET OFF Main operating hours reset.
6 Backlight Acutime 19H 35M Backlight operating hours.
7 RESET OFF Backlight operating hours reset.
8 LAMP ERROR RESET OFF Lamp error reset.
9 ADJ PARAM SET Enter ADJ PARAM SET
10 VIC XPOS 0 X-coordinate setting for VIC READ
11 VIC YPOS 0 Y-coordinate setting for VIC READ
12 VIC SIGNAL TYPE MAIN Signal type setting for VIC READ
13 VIC READ OFF Picture level acquisition function
3/16 [TUNER ADJ]
1 RF AGC ADJ Enter RF-AGC auto adjustment execution
2 TUNER ADJ Enter TUNER auto adjustment execution
3 PAL+TUNER ADJ Enter PAL TUNER auto adjustment execution
4 RF AGC ADJ (CA-8CH) Enter RF-AGC auto adjustment execution (CA-8CH)
5 TUNER ADJ (CA-8CH) Enter TUNER auto adjustment execution (CA-8CH)
6 PAL+TUNER ADJ (CA-8CH) Enter PAL TUNER auto adjustment execution (CA-8CH)
7 RF AGC 16 RF AGC adjustment
8 TUNER CONTRAST A_GAIN 14 TUNER signal level adjustment
9 TUNER CONTRAST B_GAIN 2048 TUNER signal level adjustment
10 TUNER CONTRAST OFFSET 256 TUNER signal level adjustment
11 RF AGC READ OFF Reading value of RF-AGC voltage
4/16 [PAL MAIN]
1 PAL ADJ Enter PAL adjustment
2 SECAM ADJ Enter SECAM adjustment
3 N358 ADJ Enter N358 adjustment
4 PAL CONTRAST A_GAIN 14 PAL contrast adjustment
5 PAL CONTRAST D_GAIN 2048 PAL contrast adjustment
6 PAL CONTRAST OFFSET 256 PAL contrast adjustment
7 SECAM CONTRAST A_GAIN 14 SECAM contrast adjustment
8 SECAM CONTRAST D_GAIN 2048 SECAM contrast adjustment
9 SECAM CONTRAST OFFSET 256 SECAM contrast adjustment
10 N358 CONTRAST A_GAIN 14 N358 contrast adjustment
11 N358 CONTRAST D_GAIN 2048 N358 contrast adjustment
12 N358 CONTRAST OFFSET 256 N358 contrast adjustment
5/16 [CEC TEST]
1 HDMI CEC TEST Enter HDMI CEC test
2 INSPECT USB TERM Enter Reading inspection of USB memory terminal
3 HDMI EDID WRITE Enter HDMI EDID WRITING
4 MONIDATA READ [TEMP/OPC] OFF MONITOR Temperature/OPC Acquisition tool.
5 CAUSE RESET Enter Reset of standby cause
(Level appears in green on the upper right)
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Page Line Item Description Remarks (adjustment detail, etc.)
6/16 [COMP15KMAIN]
1 COMP15K ALL ADJ Enter Component 15K picture level adjustment
2 COMP15K MAIN Y GAIN 141 Y GAIN adjustment value
3 COMP15K MAIN CB GAIN 150 Cb GAIN adjustment value
4 COMP15K MAIN CR GAIN 150 Cr GAIN adjustment value
5 COMP15K Y OFFSET 64 Y OFFSET adjustment value
6 COMP15K CB OFFSET 128 Cb OFFSET adjustment value
7 COMP15K CR OFFSET 128 Cr OFFSET adjustment value
7/16 [HDTV]
1 HDTV ADJ Enter HDTV video level adjustment
2 HDTV Y GAIN 141 HDTV Y GAIN adjustment value
3 HDTV CB GAIN 150 HDTV Cb adjustment value
4 HDTV CR GAIN 150 HDTV Cr adjustment value
5 HDTV Y OFFSET 64 HDTV Y OFFSET adjustment value
6 HDTV CB OFFSET 128 HDTV Cb OFFSET adjustment value
7 HDTV CR OFFSET 128 HDTV Cr OFFSET adjustment value
8/16 [ANALOG PC]
1 ANALOG PC ADJ Enter DVI ANALOG video level adjustment
2 R OFFSET 64 R CUTOFF adjustment value
3 G OFFSET 64 G CUTOFF adjustment value
4 B OFFSET 64 B CUTOFF adjustment value
5 R GAIN 44 R DRIVE adjustment value
6 G GAIN 44 G DRIVE adjustment value
7 B GAIN 44 B DRIVE adjustment value
9/16 [SCART]
1 SCART RGB ADJ Enter SCART RGB level adjustment
2 SCART R CUTOFF 64 SCART R CUTOFF adjustment value
3 SCART G CUTOFF 64 SCART G CUTOFF adjustment value
4 SCART B CUTOFF 64 SCART B CUTOFF adjustment value
5 SCART R GAIN 44 SCART R GAIN adjustment value
6 SCART G GAIN 44 SCART G GAIN adjustment value
7 SCART B GAIN 44 SCART B GAIN adjustment value
10/16 [LUMAADJ]
1 VCOM ADJ 0 Common bias adjustment
2 LCD LUMA ADJ Enter Upper and lower brightness difference adjustment
3LCD LUMA UP 0
4LCD LUMA DOWN 0
11/16 [FR DDRTEST]
1 DDRA TEST1 Enter Execute DDRA test 1
2 DDRA TEST2 Enter Execute DDRA test 2
3 DDRB TEST1 Enter Execute DDRA test 1
4 DDRB TEST2 Enter Execute DDRA test 2
5 DDRB TEST3 Enter Execute DDRA test 3
6 FRC ON/OFF Enter Execute FRC ON/OFF
7 SOUSAM DDR BIST Enter
8 SOUSAS DDR BIST Enter
12/16 [LEV]
1 R GAIN (LO) 0 R DRIVE adjustment value
2 G GAIN (LO) 0 G DRIVE adjustment value
3 B GAIN (LO) 0 B DRIVE adjustment value
4 R GAIN (HI) 0 R DRIVE adjustment value
5 G GAIN (HI) 0 G DRIVE adjustment value
6 B GAIN (HI) 0 B DRIVE adjustment value
13/16 [M EEP SET]
1 MONITOR TIME OUT ON Monitor and the main communication time-out setting
2 MONITOR MAX TEMP 32 MONITOR MAX temperature setting
3 MONITOR EEP READ / WRITE WRITE MONITOR EEPROM READ/WRITE Setting/execution
4 MONITOR EEP ADR 0x 0 MONITOR EEPROM arbitrary addressing
5 MONITOR EEP DATA 0x 0 MONITOR EEPROM arbitrary data specification
14/16 [M TEST PATTERN]
1 LCD TEST PATTERN OFF Pattern with built-in LCD controller display
2 LCD AGI TEST PATTERN
3 LCD EVA TEST PATTERN
4 YEL TEST PATTERN
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LC-52DH77E/RU/S
Page Line Item Description Remarks (adjustment detail, etc.)
15/16 [FR REGI]
1 READ/WRITE READ Read/Write
2 SLAVE/ADDRESS SLAVE0 Slave address
3 RESISTER ADDRESS 0x 0 Register address
0x 0
4 WRITE DATA 0x 0 Writing data
0x 0
5 READ DATA 0x 0 Reading data
0x 0
16/16 [ETC]
1 EEP SAVE OFF Writing setting values to EEPROM.
2 EEP RECOVER OFF Reading setting values from EEPROM.
3 MONITOR ERROR CAUSE RESET OFF Reset of monitor error cause
4 STANDBY CAUSE RESET OFF Reset stand by cause.
5 MODEL NAME DH77 Model name setting
6 PANEL SIZE 52 Panel size setting. (32/37/42/46/52/65)
7 PRODUCT EEP ADR 0x 0 Don't touch when serving (for producer of factory)
8 PRODUCT EEP DATA 0x 0 Don't touch when serving (for producer of factory)
3 – 5
LC-52DH77E/RU/S
6. Special features
1. NORMAL STANDBY CAUSE (Page 1/16)
Display of a cause (code) of the last standby.
The cause of the last standby is recorded in EEPROM whenever possible.
Checking this code will be useful in finding a problem when you repair the troubled set.
2. EEP SAVE (Page 16/16)
Storage of EEP adjustment value
3. EEP RECOVER (Page 16/16)
Retrieval of EEP adjustment value from storage area.
7. Lamp error detection
1. Function
This LCD colour TV set incorporates a lamp error detection feature that automatically turns off the power for safety under abnormal lamp or lamp
circuit conditions. If by any chance anything is wrong with the lamp or lamp circuit or if the lamp error detection feature is activated for some reason, the following will result.
1) The power is interrupted in about 6 seconds after it is turned on.
(The power LED on the front of the TV set turns red from green and keeps blinking in red: ON for 300ms and OFF for 1500ms.).
2) If the above phenomenon 1) occurs 5 times consecutively, it becomes impossible to turn on the power. (The power LED remained red).
2. Measures
1) Checking with lamp error detection OFF
Enter the adjustment process mode, referring to 2. Entering and exiting the adjustment process mode.
If there is a problem with the lamp or lamp circuit, the lamp will go out. (The power LED is green.)
Then, you can check the operation to see if the lamp and lamp circuit are in trouble.
2) Resetting the lamp error count
After the lamp and lamp circuit are found out of trouble, reset the lamp error count. If a lamp error is detected five consecutive times, the power
cannot be turned on. Using the cursor ( / ) key, move to the cursor to [LAMP ERROR RESET], Line 8 on adjustment process mode service page 2/16.
With the cursor (</>) keys, select the [LAMP ERROR RESET] value. Finally press the cursor (OK) eys to reset the value to “0”.
Table of contents of adjustment process mode Page 2/16
INDUSTRY INIT Enter
INDUSTRY INIT (-Hotel) OFF
HOTEL MODE OFF
Center Acutime 5H0M
RESET OFF
Backlight Acutime
RESET OFF
LAMP ERROR RESET OFF
ADJ PARAM SET Enter
VIC XPOS
VIC YPOS
0
0
VIC SIGNAL TYPE MAIN
VIC READ OFF
Resetting to "0"
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8. Public Mode (Hotel Mode)
1. Starting the Public Mode
• There are two following ways to display the PUBLIC Mode setting screen.
1) On the process adjustment mode screen (2/16), set the “HOTEL MODE” Flag to ON.
Turn off the power, and turn it on again, pressing the and keys of the main unit at the same time.
2) Enter the Pass Word, and start the unit.
a) Turn on the power, pressing the and keys of the main unit at the same time.
b) Display the Pass Word input screen.
INPUT
CHANNEL UP
Volume UP
Public Mode Public Mode
Operation procedure
• The initial input position is the digit at the left end.
9
• For the numeric keys to of R/C, key input is accepted. Input of the other keys is prohibited.
• Change “–” to “*” by inputting the numeric key at the input position, and shift the input position rightward one digit.
• When three digits are completely input, the Pass Word is judged.
c) Check the Pass Word by inputting three digits.
If the Pass Word is , it shifts to the PUBLIC Mode setting screen.
In another case, the screen is erased, and it operates in the ordinary mode.
2. Exiting the Public Mode screen
• There are two following ways to exit the Public Mode setting screen.
1) Turn off the power.
2) Select “Execution” in the PUBLIC_Mode to execute it.
Activate the restart under the set content. Here, the START input SOURCE setting is excluded since this item is referred to only when the
power is turned on.
3. Set value of the Public Mode
• When the shipment setting is done, a set each value in Public Mode is initialized.
(PUBLIC MODE in the process mode Setting of a flag is also initialized)
• Separately, the shipment beginnings when all except for each set value in Public Mode is initialized are provided for a process mode.
(INDUSTRY INIT (-HOTEL))
• Only when turning on the HOTELE MODE item, each setting is effective.
• After it decides it with EXECUTE, it AC OFF/ON it to reflect a set value.
0
2 7
0
Volume UP
Public Mode
3 – 7
4. Basic operation in the Public Mode
Volume ( / ) or Cursor (
Channel ( / ) or Cursor ( / )
Decision (ok) Execution (Used by the items “Execution” and “RESET”.)
PUBLIC Mode R/C Ordinary operation mode: It enters the PUBLIC Mode.
</>)
PUBLIC Mode: It exits the PUBLIC Mode.
Change or execution of the set value.
Movement to the selected item.
PUBLIC MODE Flag is set to “ON”.
PUBLIC MODE Flag does not change.
Any set item in PUBLIC Mode is not initialized.
Public Mode
POWER ON FIXED [VARIABLE]
SHUT DOWN MODE [NORMAL]
MAXIMUM VOLUME [60]
VOLUME FIXED [VARIABLE]
VOLUME FIXED LEVEL [20]
RC BUTTON [RESPOND]
PANEL BUTTON [RESPOND]
MENU BUTTON [RESPOND]
LC-52DH77E/RU/S
AV POSITION FIXED [VARIABLE]
ON SCREEN DISPLAY [YES]
INPUT MODE START [NORMAL]
INPUT MODE FIXED [VARIABLE]
LOUD SPEAKER [ON]
RC PATH THROUGH [OFF]
232C POWON [DISABLE]
HOTELMODE [ON]
RESET
EXECUTE
5. Operation after “RESET”
Select “RESET” in the PUBLIC Mode, and it operates as follows when it is executed (refer to the basic operation).
• The set contents in the PUBLIC mode are initialized.
• It does not exit the PUBLIC mode.
• If “EXCUTE” is not executed, the content that does RESET is not reflected.
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6. Setting items (* Item names and selective items are expressed in English.)
1) Power ON fixed [POWER ON FIXED]
Option “VARIABLE”, “FIXED_ALL”, “FIXED_BODYKEY” or “RCRESPOND” (loopenabled)
Default “VARIABLE”
Function • When set to “FIXED_ALL”, the “POWER/RECEPTION” key on the main unit or remote control is disabled.
Key disabled when set
other than default
Remarks • When selecting to “FIXED_ALL”, it functions with the correspondence which isn’t done about other standby fac-
If the power button is pressed in the ordinary mode when set to “FIXED_ALL”, the caution is displayed for 5 seconds.
When power button on the main unit is pressed When power button on R/C is pressed
No Power off by power button. No Power off by remote control.
However, the power can be turned off using the “MAIN POWER” switch.
• For some models, the (MAIN) POWER switch is also disabled.
• When set to “FIXED_BODYKEY”, only the “MAIN POWER” key on the main unit is disabled (the remote control is
enabled).
• When selecting “RC RESPOND”, the main unit’s POWER switch toggles between ON and Standby (the same
operation as the remote control).
• OFF TIMER (SLEEP)
tors (see below).
• No operation OFF
• No signal OFF (including the power management)
* The OSD display is an example.
If another ODS is previously displayed, the status is reset (MENU or similar).
2) Instantaneous current shutdown setting when turning off the power [SHUT DOWN MODE]
Option “NORMAL” or “QUICK”
Default NORMAL
Function • Scanning or recording of the digital tuner is enabled/disabled when turning off the power.
It is possible to put into the standby state instantaneously due to power off input.
Remarks When selecting “QUICK”, the function does not work for the following items (The possibleme thod differs from model
to model: deleting the item, selection impossible, etc.)
• ON TIMER, QUICK START, DIGITAL FIXED, etc.
3) Volume maximum level [MAXIMUM VOLUME]
Option 0 ~ 60 (loopdisabled)
Default 60
Function • The volume cannot be increased more than the adjusted value (the main unit’s speaker only).
Remarks • When set to 59 or less, only the figure is displayed in the normal mode; the volume bar is not displayed.
• The volume of the headphones or monitor output is limited.
• The setting is impossible when VOLUME FIXED is set other than VARIABLE.
4) Volume fixed [VOLUME FIXED]
Option “VARIABLE”, “FIXED”, “ACCTRL” or “AC/RCCTRL” (loopenabled)
Default “VARIABLE”
Function • FIXED: The volume is fixed to the value adjusted in the volume fixed level.
Exception • In the adjustment process, the volume can be set to any level regardless of this setting.
Key disabled when set
to FIXED
Remarks • VOLUME FIXED has priority over MAXIMUM VOLUME.
• AC CTRL: In the case of ACON, the unit starts at the volume specified in the volume fixed level.
• AC/RC CTRL: The unit starts at the volume specified in the volume fixed level.
• VOLUME UP/DOWN (VOL+/-) [both remote control and main unit]
• MUTE (MUTE) * The main unit’s keys for the menu operation are enabled.
• The volume of the headphones or monitor output is fixed.
• The volume is not displayed when operating the above disabled keys.
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LC-52DH77E/RU/S
5) Volume fixed level [VOLUME FIXED LEVEL]
Option 0 ~ 60 (loop disabled)
Default 20
Function The volume is fixed to the adjusted value (the main unit’s speaker only).
Exception • In the adjustment process, the volume can be set to any level regardless of this setting.
Remarks • When setting VOLUME FIXED to “VARIABLE”, the setting cannot be changed.
• VOLUME can be abbreviated to VOL.
6) Remote control operation [RC BUTTON]
Option “RESPOND”, “NO RESPOND” or “LIMITED” (loop enabled)
Default RESPOND
Function The operation of the remote control’s keys is set.
Exception • The PROCESS MODE, INSPECTION MODE and HOTEL MODE keys are enabled regardless of this setting.
Remarks The keys enabled when set to “LIMITED” correspond to those on the remote control for hotel; they differ from model
7) Main Unit Operation [PANEL BUTTON]
Option “RESPOND” or “NO RESPOND” (loop enabled)
Default RESPOND
Function NO RESPOND: The main unit’s keys are disabled excluding the POWER key (RECEPTION/STANDBY key).
Exception • The start operation in the process mode, inspection mode or hotel mode is enabled regardless of this setting.
• When set to “NO RESPOND” the remote control’s keys in the normal state are disabled.
The POWER key (RECEPTION/STANDBY key) is also disabled.
• When set to “LIMITED”, only a part of keys (CHANNEL, etc.) is enabled and other keys are disabled. (POWER,
VOLUME ( / ), CHANNEL ( / ), LIGHT CONTROL (BRIGHTNESS SENSOR), BROADCAST
SELECT)
• All the keys are enabled regardless of this setting while entering the process mode, inspection mode or hotel
mode.
to model.
• All the keys are enabled regardless of this setting while entering the process mode, inspection mode or hotel
mode.
• For the main unit’s MENU key, menu operation is possible regardless of the setting during the initial setting when
the power is turned on for the first time.
8) Menu operation [MENU BUTTON]
Option “RESPOND” or “NO RESPOND” (loop enabled)
Default RESPOND
Function The MENU key on the main unit or remote control is disabled.
Exception • The PROCESS MODE, INSPECTION MODE and HOTEL MODE keys are enabled regardless of this setting.
Key disabled when set
other than default
excluding the MENU key
Remarks When set to “NO RESPOND”
9) AV position fixed [AV POSITION FIXED]
Option “VARIABLE” or “FIXED” (loop enabled)
Default “VARIABLE”
Function • When set to “FIXED”, the image adjustment and sound adjustment items in the menu are fixed in the selected
Remarks • When receiving the sound select direct keys (AV POSITION key, OPC, DOLBY key, etc.), only the actual state is
• All the keys are enabled regardless of this setting while entering the process mode, inspection mode or hotel
mode.
All the direct transition keys to menu display (AUTO PRESET, MANUAL MEMORY and others)
• For the models with the MENU key on the main unit, menu operation is possible regardless of the setting during
the initial setting when the power is turned on for the first time.
state.
• When receiving “AV POSITION” of the remote control, only the actual state is displayed, and no setting is
changed.
displayed; no setting is changed.
• Since the settings for the hotel mode are retained even after the personal data is initialized, each item for the AV
position and image adjustment and each value for the sound adjustment are not initialized.
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10)OSD display [ON SCREEN DISPLAY]
Option “YES”, “NO” or “LIMITED” (loop enabled)
Default YES
Function • When set to “NO”, the following OSD is not displayed.
Key which may be
enabled (Example of the
confusing key)
Key disabled when set
other than default
(example)
Remarks • When set to “NO”,
11)Start mode [INPUT MODE START]
Option “NORMAL” or “Input source 1 (input selection or channel)” • • • (loop enabled)
Default NORMAL
Function The input source or channel to start when turning on the power is set.
Remarks • When set other than “NORMAL”,
Example of option: “NORMAL”
“TVD (002TV)”, “INPUT1”, “INPUT2”, “INPUT3”, “PC”, “HDMI1”, “HDMI2”, “HDMI3”, “INPUT8”
“LIMITED” is looped only in case of need (destination).
Registration, setting, adjustment menu, channel call, volume bar, and input select.
• When set to “LIMITED”, only a part of OSD is not displayed.
* OK if simple input select occurs or the original state returns soon if left.
* The keys by which visibility of the screen or sound is changed cannot be used.
STILL IMAGE, SCREEN DISPLAY, OFF TIMER, AV POSITION, BRIGHTNESS SENSOR, SCREEN SIZE
SELECT, AUTO PRESET, MANUAL MEMORY, IMAGE SELECT, SOUND SELECT, LANGUAGE
The set time of OFF TIMER “SLEEP” is cleared.
When the card function is set to “NO”, all the functions including input select and direct keys are invalid.
If “NORMAL”, the content of the last memory is followed.
Display of the channel setting menu and channel setting operation are prohibited.
• When set to “NORMAL”, “START MODE FIXED” is set to “VARIABLE” and selection is prohibited.
12)Input fixed [INPUT MODE FIXED]
Option “VARIABLE” “FIXED”, “AC CTRL” or “AC/RC CTRL” (loop enabled)
Default VARIABLE
Function When set to “FIXED”, switching to another channel or input is impossible after start-up in the set value of “INPUT
MODE START”.
When set to “AC CTRL”, the unit starts in the set value of “INPUT MODE START” in the case of the ACON only.
When set to “AC/RC CTRL”, the unit starts in the set value of “INPUT MODE START”.
Key disabled when set
To “FIXED” (example)
Remarks • If the “START MODE” setting is “NORMAL”, this item cannot be set.
13)Speaker ON/OFF selection [LOUD SPEAKER]
Option “ON” or “OFF” (loop enabled)
Default ON
Function The sound from the speakers is not output even if the headphones are not used.
Remarks • When the VOLUME UP/DOWN key is pressed, the mute icon is displayed for 4 seconds.
14)Remote control path through [RC PATH THROUGH]
Option “OFF”, “ON: TV RCE” or “ON: TV RCD” (loop enabled)
Default OFF
Function The signal received by the remote control’s light-receiving section is output to the blank pin (9pin) of RS232C.
Exception • Even in the case of “ON: TV RCD”, the PROCESS MODE, INSPECTION MODE and HOTEL MODE keys are
Remarks • The model always outputting and that impossible to output exist due to the structure of the hardware.
CHANNEL ( / ), DIRECT CHANNEL buttons, FLASHBACK, INPUT SELECT, TV/VIDEO, AUTO PRESET,
MANUAL MEMORY, i.LINK, DIRECT INPUT SELECT, ATV, DTV, EPG, RADIO
Set to “VARIABLE”.
• When set to “FIXED”
The channel setting menu and input selection menu in the menu are not displayed.
• For the MUTE key and sound-related keys, caution is displayed.
• For the headphones and monitor output sound, normal operation is possible.
enabled.
• Even in the case of “ON: TV RCD”, all the keys are enabled while entering the PROCESS MODE, INSPECTION
MODE and hotel mode.
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15)232C power ON control [232C POWON]
[VIDEO input signal]
100% white
Option “ENABLE” or “DISABLE” (loop enabled)
Default DISABLE
Function Power ON by the 232C command is enabled/disabled in the standby state.
The same function as 232C command “RSPW”.
“ENABLE”: POWR0001 is always enabled.
“DISABLE”: Start-up may be impossible at POWR0001.
(If the 232C command reception module is set to OFF, the command is invalid.)
16)Hotel mode setting [HOTELMODE]
Option “OFF” or “ON” (loop enabled)
Default OFF
Function The items set in the hotel mode setting menu are enabled or disabled.
The same item as [HOTELMODE] in the adjustment process menu.
Remarks • Each operation of the hotel mode is impossible unless this item is set to ON.
9. Video signal adjustment procedure
The adjustment process mode menu is listed in Section 5.
Signal generator level adjustment check (Adjust to the standard value level.)
• Composite signal PAL/SECAM : 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
• RGB signal : 0.7Vp-p ± 0.02Vp-p
• 15K component signal (50 Hz) : Y level : 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
: PB, PR level : 0.7Vp-p ± 0.02Vp-p
• 33K component signal : Y level : 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
: PB, PR level : 0.7Vp-p ± 0.02Vp-p
LC-52DH77E/RU/S
1. Process mode
Adjustment point Adjustment Conditions Adjustment procedure
1 Process mode Enter the process adjustment mode using the process adjustment remote con-
trol.
2. PAL signal adjustment
Adjustment point Adjustment Conditions Adjustment procedure
1 Setting [Signal]
PAL full field colour bar
[Terminal]
EXT1 SCART video input
2 Auto adjustment
performance
CAUTION: When performing “(2) PAL signal adjustment” after completing all the adjustments, be sure to execute “(3) TUNER adjustment”.
Process page No. 4/16 Point the cursor to [PAL ADJ] and press the [OK] key.
• Send the PAL full field colour bar (colour saturation: 75%) signal to the
SCART video input of EXT1.
The adjustment is complete when [PAL ADJ OK] is displayed.
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LC-52DH77E/RU/S
[VIDEO input signal]
100% white
3. TUNER adjustment
Adjustment point Adjustment Conditions Adjustment procedure
1 Setting [Signal]
PAL split colour bar In-house UV
[Terminal]
TUNER
2 Auto adjustment
performance
4. SECAM signal adjustment
Adjustment point Adjustment Conditions Adjustment procedure
1 Setting [Signal]
Process page No. 3/16 Point the cursor to [TUNER ADJ] and press the [OK] key.
SECAM full field colour bar
[Terminal]
EXT1 SCART video input
• Send the in-house signal (PAL colour bar) to TUNER.
• For the PAL colour bar pattern (E-12ch), the picture level and sync level must
show a ration of 7 to 3.
[In-house E-12CH]
100% white
The adjustment is complete when [TUNER ADJ OK] is displayed.
• Send the SECAM full field colour bar (colour saturation: 75%) signal to the
SCART video input of EXT1.
2 Auto adjustment
performance
5. ADC adjustment (Component 15K)
Adjustment point Adjustment Conditions Adjustment procedure
1 Setting [Signal]
2 Auto adjustment
performance
Process page No. 4/16 Point the cursor to [SECAM ADJ] and press the [OK] key.
COMP15K 50Hz 100% full field
colour bar
[Terminal]
EXT3 component input
Process page No. 6/16 Point the cursor to [COMP 15k ALL ADJ] and press the [OK] key.
The adjustment is complete when [SECAM ADJ OK] is displayed.
• Send the component 15K 100% full field colour bar (colour saturation: 100%)
signal to the component input of EXT3.
100% white Black
The adjustment is complete when [COMP 15k ALL OK] is displayed.
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