Philips FTL2.4E Schematic

Colour television Chassis

FTL2.4E

E_14650_000.eps

160604

Contents Page Contents Page

1. Technical Specifications, Connections, and Chassis Overview 2

2. Safety Instructions, Warnings, and Notes 5

3. Directions for Use 6

4. Mechanical Instructions 7

5. Service Modes, Error Codes, and Fault Finding 12

6. Block Diagrams, Testpoint Overviews, and

Waveforms

Wiring Diagram (32”) 23 Block Diagram Supply (32”) 24 Block Diagram Video 25 Block Diagram Audio 26 I2C IC’s overview 27 Supply Lines Overview 28

7. Circuit Diagrams and PWB Layouts Drawing PWB LCD Supply Panel: Mains Filter + Standby (A1) 29 31-34 LCD Supply Panel: Supply (A2) 30 31-34 Ambi Light (AL) 35 36-34 SSB: IF, I/O Video Processing (B2) 37 71-82 SSB: PICNIC (B3A) 38 71-82 SSB: (FEM) Falconic Embedded Memory (B3B) 39 71-82 SSB: Eagle (B3C) 40 71-82 SSB: Columbus (B3D) 41 71-82 SSB: FBX Supply (B3E) 42 71-82 SSB: HOP (B4) 43 71-82 SSB: OTC-Flash (B5A) 44 71-82 SSB: Backlight Control (B5B) 45 71-82 SSB: OTC-Flash (B5C) 45 71-82 SSB: Audio Demodulator (B6A) 46 71-82 SSB: Dolby Digital Decoder (B6B) 47 71-82 SSB: Dolby Pro Logic Processor (B6C) 48 71-82 SSB: Audio Delay (B6D) 49 71-82 SSB: DC/DC Convertor (B12) 50 71-82 SSB: Main Tuner (B13A) 51 71-82

Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.

SSB: Sub Tuner (B13B) 52 71-82 SSB: DC/DC Converter (B13C) 53 71-82 SSB: I/O1: MMC (B14A) 54 71-82 SSB: I/O2: Connections (B14B) 55 71-82 SSB: I/O3: Switch (B14C) 56 71-82 SSB: I/O4: Audio (B14D) 57 71-82 SSB: I/O: 5 (B14E) 58 71-82 SSB: I/O6: Digital Input (B14F) 59 71-82 SSB: I/O: 7 (B14G) 60 71-82 SSB: PIP HIP (B15A) 61 71-82 SSB: PIP Switch (B15B) 62 71-82 SSB: PIP Muppet (B15C) 63 71-82 SSB: HDI A/D Converter (B19A) 64 71-82 SSB: EPLD Control (B19B) 65 71-82 SSB: EPLD OSD (B19C) 66 71-82 SSB: EPLD I/O (B19D) 67 71-82 SSB: Backlight Control (B19E) 68 71-82 SSB: Screen Interface (B20) 69 71-82 SSB: Connection (B21) 70 71-82 Side I/O Panel (D) 83 84 Top Control Panel (E) 85 86 SCART 3 Panel (H) 87 88 LED and Switch Panel (J) 89 90 LCD Standby & Audio Panel: Connections(SA1) 91 94-96 LCD Standby & Audio Panel: Standby (SA2) 92 94-96 LCD Standby & Audio Panel: Audio (SA3) 93 94-96

8. Alignments 97

9. Circuit Descriptions, Abbreviation List, and IC Data Sheets 103

10. Spare Parts List 106

11. Revision List 118

Published by EL 0566 TV Service Printed in the Netherlands Subject to modification EN 3122 785 15490

EN 2 FTL2.4E AA1.

Technical Specifications, Connections, and Chassis Overview

1. Technical Specifications, Connections, and Chassis Overview

Index of this chapter:

1.1 Technical Specifications

1.2 Connections

1.3 Chassis Overview

Notes:

• Figures can deviate due to the different set executions.

• Specifications are indicative (subject to change).

1.1 Technical Specifications

1.1.1 Vision

Display type : LCD, VA Screen size : 32” (82 cm), 16:9 Resolution (HxV pixels) : 1366(*3)x768 WXGA Contrast ratio : 800:1 (32-inch) Light output (cd/m LCD response time (ms) : 12 Viewing angle (HxV degrees) : 176 (32-inch) Tuning system : PLL Colour systems : PAL B/G, D/K, I

Supported computer formats (60 Hz) : VGA (640x480)

Supported video formats : 640x480i - 1fH

AV (playback only) : NTSC, PAL, SECAM Tuner bands : UHF, VHF, S, Hyper

1.1.2 Sound

) : 500 (32-inch)

: SECAM B/G, D/K, L/L’

: SVGA (800x600) : XVGA (1024x768) : WXGA (1280x768)

: 720x576i - 1fH : 640x480p - 2fH : 720x576p - 2fH : 1920x1080i - 2fH : 1920x1152i - 2fH : 1280x720p - 3fH

1.2 Connections

Note: The following connector colour abbreviations are used

(acc. to DIN/IEC 757): Bk= Black, Bu= Blue, Gn= Green, Gy= Grey, Rd= Red, Wh= White, Ye= Yellow.

1.2.1 Side I/O

SIDE I/O

R AUDIO L

CVBS

SVHS

E_14620_022.eps

050404

Figure 1-1 Side I/O connections

Headphone (Output)

- Headphone 32 - 600 ohm / 10 mW ot

Cinch: Video CVBS - In, Audio - In

Rd - Audio R 0.5 V Wh - Audio L 0.5 V Ye - Video CVBS 1 V

SVHS (Hosiden): Video Y/C - In

1 -Ground Y Gnd H 2 -Ground C Gnd H 3 -Video Y 1 V 4 -Video C 0.3 V

1.2.2 Rear Connections

/ 10 kohm jq

RMS

/ 10 kohm jq

RMS

/ 75 ohm jq

/ 75 ohm j

P / 75 ohm j

Sound systems : AV stereo,

Maximum power (W

) : 2 x 15 (int.)

RMS

1.1.3 Miscellaneous

Mains voltage (V

) : 220 - 240

Mains frequency : 50 / 60 Hz Ambient temperature (qC) : +5 to +40 Maximum humidity (R.H>) : 90%

Power consumption

- Normal operation (W) : 145 (32-inch)

- Stand-by (W) : < 2

:FM/FM B/G : NICAM B/G, D/K, I

MAINS

(PLASMA SETS)

Aerial - In

AERIAL IN EXT2 EXT1

CENTRE

SUBW

OUT

AUDIO

RLR

AUDIO OUT

DVI

SERVICE

EXT3

E_14620_023.eps

Figure 1-2 Rear connections

- IEC-type Coax, 75 ohm D

MAINS

(LCD SETS)

170604

Technical Specifications, Connections, and Chassis Overview

EN 3FTL2.4E AA 1.

SCART2: Video RGB/YC - In, CVBS - In/Out, Audio - In/Out

E_06532_001.eps

050404

Figure 1-3 SCART connector

1 -Audio R 0.5 V 2 -Audio R 0.5 V 3 -Audio L 0.5 V 4 -Ground Audio Gnd H

/ 1 kohm k

RMS

/ 10 kohm j

RMS

/ 1 kohm k

RMS

5 -Ground Blue Gnd H 6 -Audio L 0.5 V 7 -Video Blue/C-out 0.7 V 8 -Function Select 0 - 2 V: INT

/ 10 kohm j

RMS

/ 75 ohm jk

4.5 - 7 V: EXT 16:9

9.5 - 12 V: EXT 4:3 j 9 - Ground Green Gnd H 10 - Easylink P50 0 - 5 V / 4.7 kohm jk 11 - Video Green 0.7 V 12 - n.c.

/ 75 ohm j

13 - Ground Red Gnd H 14 - Ground P50 Gnd H 15 - Video Red/C 0.7 V

/ 75 ohm j

16 - Status/FBL 0 - 0.4 V: INT

1 - 3 V: EXT / 75 ohm j 17 - Ground Video Gnd H 18 - Ground FBL Gnd H 19 - Video CVBS 1 V 20 - Video CVBS/Y 1 V

/ 75 ohm k

/ 75 ohm j

21 - Shield Gnd H

SCART1: Video RGB - In, CVBS - In/Out, Audio - In/Out

1 - Audio R 0.5 V 2 - Audio R 0.5 V 3 - Audio L 0.5 V 4 - Ground Audio Gnd H

/ 1 kohm k

RMS

/ 10 kohm j

RMS

/ 1 kohm k

RMS

5 - Ground Blue Gnd H 6 - Audio L 0.5 V 7 - Video Blue 0.7 V 8 - Function Select 0 - 2 V: INT

/ 10 kohm j

RMS

/ 75 ohm jk

4.5 - 7 V: EXT 16:9

9.5 - 12 V: EXT 4:3 j 9 - Ground Green Gnd H 10 - Easylink P50 0 - 5 V / 4.7 kohm jk 11 - Video Green 0.7 V 12 - n.c.

/ 75 ohm j

13 - Ground Red Gnd H 14 - Ground P50 Gnd H 15 - Video Red 0.7 V

/ 75 ohm j

16 - Status/FBL 0 - 0.4 V: INT

1 - 3 V: EXT / 75 ohm j 17 - Ground Video Gnd H 18 - Ground FBL Gnd H 19 - Video CVBS 1 V 20 - Video CVBS 1 V

/ 75 ohm k

/ 75 ohm j

21 - Shield Gnd H

Cinch: Sub woofer - Out, Centre - In

Bu - Centre 0.5 V Bk - Sub woofer 0.5 V

/ 10 kohm jq

RMS

/ 10 kohm kq

RMS

Cinch: Audio - Out

Rd - Audio - R 0.5 V Wh - Audio - L 0.5 V

/ 10 kohm kq

RMS

/ 10 kohm kq

RMS

DVI-I: Digital/Analogue Video - In

18 916

C1 C2

C3 C4

E_06532_004.eps

050404

Figure 1-4 DVI-I connector

1 - D2- j 2 - D2+ j 3 - Shield Gnd H 4 - D4- j 5 - D4+ j 6 - DDC_SCL DDC clock k 7 - DDC_SDA DDC data jk 8 - V-sync 0 - 5 V j 9 - D1- j 10 - D1+ j 11 - Shield Gnd H 12 - D3- j 13 - D3+ j 14 - +5V j 15 - Ground Gnd H 16 - HPD Hot Plug Detect j 17 - D0- j 18 - D0+ j 19 - Shield Gnd H 20 - D5- j 21 - D5+ j 22 - Shield Gnd H 23 - CLK+ j 24 - CLK- j C1 - Video Red 0.7 V C2 - Video Green 0.7 V C3 - Video Blue 0.7 V

/ 75 ohm j

C4 - H-sync 0 - 5 V j C5 - Ground Gnd H

Service connector (ComPair)

1 - SDA-S I 2 - SCL-S I

C Data (0 - 5 V) jk

C Clock (0 - 5 V) j

3 - Ground Gnd H

SCART3: Video CVBS - In, Audio - In

1 - n.c. 2 - Audio R 0.5 V

/ 10 kohm j

RMS

3 - n.c. 4 - Ground Audio Gnd H 5 - Ground Blue Gnd H 6 - Audio L 0.5 V 7 - n.c.

/ 10 kohm j

RMS

8 - Function Select 0 - 2 V: INT

4.5 - 7 V: EXT 16:9

9.5 - 12 V: EXT 4:3 j

9 - Ground Green Gnd H 10 - n.c. 11 - n.c. 12 - n.c. 13 - Ground Red Gnd H 14 - Ground Data Gnd H 15 - n.c. 16 - n.c. 17 - Ground Video Gnd H 18 - Ground FBL Gnd H 19 - n.c. 20 - Video CVBS 1 V 21 - Shield Gnd H

/ 75 ohm j

Cinch: DVI Audio - In

Rd - Audio - R 0.5 V Wh - Audio - L 0.5 V

/ 10 kohm jq

RMS

/ 10 kohm jq

RMS

EN 4 FTL2.4E AA1.

1.3 Chassis Overview

AMBI LIGHT PANEL

Technical Specifications, Connections, and Chassis Overview

STANDBY SUPPLY/

AUDIO PANEL

SIDE CONTROL PANEL

AMBI LIGHT PANEL

SMALL SIGNAL

BOARD

LED PANEL

Figure 1-5 PWB locations

MAIN SUPPLY

PANEL

SIDE I/O PANEL

SCART3 PANEL

E_14620_167.eps

310105

Safety Instructions, Warnings, and Notes

2. Safety Instructions, Warnings, and Notes

EN 5FTL2.4E AA 2.

Index of this chapter:

2.1 Safety Instructions

2.2 Warnings

2.3 Notes

2.1 Safety Instructions

Safety regulations require the following during a repair:

• Connect the set to the Mains (AC Power) via an isolation

transformer (> 800 VA).

• Replace safety components, indicated by the symbol h,

only by components identical to the original ones. Any other component substitution (other than original type) may increase risk of fire or electrical shock hazard.

Safety regulations require that after a repair, the set must be returned in its original condition. Pay in particular attention to the following points:

• Route the wire trees correctly and fix them with the

mounted cable clamps.

• Check the insulation of the Mains (AC Power) lead for

external damage.

• Check the strain relief of the Mains (AC Power) cord for

proper function.

• Check the electrical DC resistance between the Mains (AC

Power) plug and the secondary side (only for sets that have a Mains (AC Power) isolated power supply):

1. Unplug the Mains (AC Power) cord and connect a wire between the two pins of the Mains (AC Power) plug.

2. Set the Mains (AC Power) switch to the "on" position (keep the Mains (AC Power) cord unplugged!).

3. Measure the resistance value between the pins of the Mains (AC Power) plug and the metal shielding of the tuner or the aerial connection on the set. The reading should be between 4.5 Mohm and 12 Mohm.

4. Switch "off" the set, and remove the wire between the two pins of the Mains (AC Power) plug.

• Check the cabinet for defects, to prevent touching of any inner parts by the customer.

2.2 Warnings

• All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD w). Careless handling during repair can reduce life drastically. Make sure that, during repair, you are connected with the same potential as the mass of the set by a wristband with resistance. Keep components and tools also at this same potential. Available ESD protection equipment: – Complete kit ESD3 (small tablemat, wristband,

connection box, extension cable and earth cable) 4822 310 10671.

– Wristband tester 4822 344 13999.

• Be careful during measurements in the high voltage section.

• Never replace modules or other components while the unit is switched "on".

• When you align the set, use plastic rather than metal tools. This will prevent any short circuits and the danger of a circuit becoming unstable.

2.3 Notes

2.3.1 General

• Measure the voltages and waveforms with regard to the chassis (= tuner) ground (H), or hot ground (I), depending on the tested area of circuitry. The voltages and waveforms shown in the diagrams are indicative. Measure them in the

Service Default Mode (see chapter 5) with a colour bar signal and stereo sound (L: 3 kHz, R: 1 kHz unless stated otherwise) and picture carrier at 475.25 MHz for PAL, or

61.25 MHz for NTSC (channel 3).

• Where necessary, measure the waveforms and voltages

with (D) and without (E) aerial signal. Measure the voltages in the power supply section both in normal operation (G) and in stand-by (F). These values are indicated by means of the appropriate symbols.

• The semiconductors indicated in the circuit diagram and in the parts lists, are interchangeable per position with the semiconductors in the unit, irrespective of the type indication on these semiconductors.

• Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic” and the “double-D symbol”, are trademarks of Dolby Laboratories.

2.3.2 Schematic Notes

• All resistor values are in ohms, and the value multiplier is often used to indicate the decimal point location (e.g. 2K2 indicates 2.2 kohm).

• Resistor values with no multiplier may be indicated with either an "E" or an "R" (e.g. 220E or 220R indicates 220 ohm).

• All capacitor values are given in micro-farads (P x10 nano-farads (n= x10

• Capacitor values may also use the value multiplier as the decimal point indication (e.g. 2p2 indicates 2.2 pF).

• An "asterisk" (*) indicates component usage varies. Refer to the diversity tables for the correct values.

• The correct component values are listed in the Spare Parts List. Therefore, always check this list when there is any doubt.

2.3.3 Rework on BGA (Ball Grid Array) ICs

General

Although (LF)BGA assembly yields are very high, there may still be a requirement for component rework. By rework, we mean the process of removing the component from the PWB and replacing it with a new component. If an (LF)BGA is removed from a PWB, the solder balls of the component are deformed drastically so the removed (LF)BGA has to be discarded.

Device Removal

As is the case with any component that, is being removed, it is essential when removing an (LF)BGA, that the board, tracks, solder lands, or surrounding components are not damaged. To remove an (LF)BGA, the board must be uniformly heated to a temperature close to the reflow soldering temperature. A uniform temperature reduces the risk of warping the PWB. To do this, we recommend that the board is heated until it is certain that all the joints are molten. Then carefully pull the component off the board with a vacuum nozzle. For the appropriate temperature profiles, see the IC data sheet.

Area Preparation

When the component has been removed, the vacant IC area must be cleaned before replacing the (LF)BGA. Removing an IC often leaves varying amounts of solder on the mounting lands. This excessive solder can be removed with either a solder sucker or solder wick. The remaining flux can be removed with a brush and cleaning agent. After the board is properly cleaned and inspected, apply flux on the solder lands and on the connection balls of the (LF)BGA. Note: Do not apply solder paste, as this has been shown to result in problems during re-soldering.

-9

), or pico-farads (p= x10

-12

-6

EN 6 FTL2.4E AA3.

Directions for Use

Device Replacement

The last step in the repair process is to solder the new component on the board. Ideally, the (LF)BGA should be aligned under a microscope or magnifying glass. If this is not possible, try to align the (LF)BGA with any board markers. So as not to damage neighbouring components, it may be necessary to reduce some temperatures and times.

More Information

For more information on how to handle BGA devices, visit this URL: www.atyourservice.ce.philips.com (needs subscription, not available for all regions). After login, select “Magazine”, then go to “Workshop Information”. Here you will find Information on how to deal with BGA-ICs.

2.3.4 Lead-free Solder

Philips CE is producing lead-free sets (PBF) from 1.1.2005 onwards.

Identification: The bottom line of a type plate gives a 14-digit serial number. Digits 5 and 6 refer to the production year, digits 7 and 8 refer to production week (in example below it is 1991 week 18).

• Use only adequate solder tools applicable for lead-free soldering tin. The solder tool must be able: – To reach a solder-tip temperature of at least 400°C. – To stabilise the adjusted temperature at the solder-tip. – To exchange solder-tips for different applications.

• Adjust your solder tool so that a temperature of around 360°C - 380°C is reached and stabilised at the solder joint. Heating time of the solder-joint should not exceed ~ 4 sec. Avoid temperatures above 400°C, otherwise wear-out of tips will increase drastically and flux-fluid will be destroyed. To avoid wear-out of tips, switch “off” unused equipment or reduce heat.

• Mix of lead-free soldering tin/parts with leaded soldering tin/parts is possible but PHILIPS recommends strongly to avoid mixed regimes. If this cannot be avoided, carefully clear the solder-joint from old tin and re-solder with new tin.

• Use only original spare-parts listed in the Service-Manuals. Not listed standard material (commodities) has to be purchased at external companies.

• Special information for lead-free BGA ICs: these ICs will be delivered in so-called "dry-packaging" to protect the IC against moisture. This packaging may only be opened shortly before it is used (soldered). Otherwise the body of the IC gets "wet" inside and during the heating time the structure of the IC will be destroyed due to high (steam-) pressure inside the body. If the packaging was opened before usage, the IC has to be heated up for some hours (around 90°C) for drying (think of ESD-protection!). Do not re-use BGAs at all!

• For sets produced before 1.1.2005, containing leaded soldering tin and components, all needed spare parts will be available till the end of the service period. For the repair of such sets nothing changes.

E_06532_024.eps

230205

Figure 2-1 Serial number example

Regardless of the special lead-free logo (which is not always indicated), one must treat all sets from this date onwards according to the rules as described below.

Figure 2-2 Lead-free logo

Due to lead-free technology some rules have to be respected by the workshop during a repair:

• Use only lead-free soldering tin Philips SAC305 with order code 0622 149 00106. If lead-free solder paste is required, please contact the manufacturer of your soldering equipment. In general, use of solder paste within workshops should be avoided because paste is not easy to store and to handle.

In case of doubt whether the board is lead-free or not (or with mixed technologies), you can use the following method:

• Always use the highest temperature to solder, when using SAC305 (see also instructions below).

• De-solder thoroughly (clean solder joints to avoid the mixing of two alloys).

Caution: For BGA-ICs, you must use the correct temperature profile, which is coupled to the 12NC. For an overview of these profiles, visit the website www.atyourservice.ce.philips.com (needs subscription, but is not available for all regions). You will find this and more technical information within the "Magazine", chapter "Workshop information". For additional questions please contact your local repair help desk.

2.3.5 Practical Service Precautions

• It makes sense to avoid exposure to electrical shock. While some sources are expected to have a possible dangerous impact, others of quite high potential are of limited current and are sometimes held in less regard.

• Always respect voltages. While some may not be dangerous in themselves, they can cause unexpected reactions that are best avoided. Before reaching into a powered TV set, it is best to test the high voltage insulation. It is easy to do, and is a good service precaution.

3. Directions for Use

You can download this information from the following websites:

http://www.philips.com/support http://www.p4c.philips.com

4. Mechanical Instructions

Mechanical Instructions

EN 7FTL2.4E AA 4.

Index of this chapter:

4.1 Cable Dressing

4.2 Service Position

4.3 Assy/PWB Removal

4.4 Display (Dis)Assembly

4.5 Set Re-assembly

4.1 Cable Dressing

4.1.1 Chassis

Notes:

• Figures below can deviate slightly from the actual situation, due to the different set executions.

• Follow the disassemble instructions in described order.

Figure 4-1 Chassis cable dressing

F_15490_010.eps

230605

EN 8 FTL2.4E AA4.

s 5

Mechanical Instructions

4.2 Service Position

For easy servicing of this set, there are a few possibilities created:

• The buffers from the packaging.

• Foam bars (created for Service).

• Aluminium service stands (created for Service).

4.2.1 Foam Bars

E_06532_018.eps

Figure 4-2 Foam bars

The foam bars (order code 3122 785 90580 for two pieces) can be used for all types and sizes of Flat TVs. By laying the TV face down on the (ESD protective) foam bars, a stable situation is created to perform measurements and alignments. By placing a mirror under the TV, you can monitor the screen.

170504

4.3 Assy/PWB Removal

4.3.1 Metal Back Plate

Caution: Disconnect the mains power cord before you remove

the metal back plate.

1. Place the TV set upside down on a table top, using the foam bars (see part "Foam Bars"). Caution: do not put pressure on the display, but let the monitor lean on the speakers or the Front cover.

2. Remove all T10 parker screws [1] from the top, left, and right sides of the metal back plate.

3. Remove all T10 tapping screws [2] from the centre and bottom of the metal back plate.

4. Lift the back plate from the TV. Make sure that wires and flat foils are not damaged during the removal.

4.2.2 Aluminium Stands

E_06532_019.eps

170504

Figure 4-3 Aluminium stands (Mk1)

The new (Mk2) aluminium stands (order code 3122 785 90690) can also be used to do measurements, alignments, and duration tests. The stands can be (dis)mounted quick and easy by means of sliding them in/out the "mushrooms". Important: For (older) FTV sets without these "mushrooms", it is obligatory to use the provided screws, otherwise it is possible to damage the monitor inside!.

Figure 4-4 Metal back plate

4.3.2 Rear Cover

1. Disconnect all connectors [1] at both AmbiLight Inverters.

2. Remove all T10 parker screws [2] around the edges of the rear cover.

3. Remove the four "mushrooms" [3] from the back plate.

4. Lift the rear cover from the TV.

2 2 2

2 2

F_15490_011.eps

F_15490_012.ep

230605

2 2

23060

Figure 4-5 Rear cover

4.3.3 LCD Supply Panel

1. Disconnect all cables from the LCD supply panel.

2. Remove all mounting screws from the LCD supply panel.

3. Take out the panel.

4.3.4 AmbiLight Inverter Panel These models are equipped with two AmbiLight Inverters.

Mechanical Instructions

1. Disconnect all cables from the AmbiLight Inverter panel.

2. Remove all mounting screws [1] from the AmbiLight Inverter panel.

3. Take out the panel.

EN 9FTL2.4E AA 4.

F_15490_014.eps

Figure 4-6 AmbiLight inverter (left lower side)

230605

Figure 4-8 Side I/O panel

4.3.8 (Top) Control Panel

1. Remove the glued foam block [1].

2. Remove the assy mounting screws [2].

3. Take out the assy.

4. Release the clamps and take out the panel.

F_15490_024.eps

240605

Figure 4-7 AmbiLight inverter (right upper side)

4.3.5 3th SCART Panel

1. Disconnect all cables from the 3th SCART panel.

2. Remove the two mounting screws near the SCART connector at the connector plate (see [7] in figure “Connector plate” further on).

3. Take out the panel.

4.3.6 Stand-by Supply/Audio Panel

1. Disconnect all cables from the Stand-by Supply/Audio panel.

2. Remove all T10 mounting screws at the top of the Standby Supply/Audio panel.

3. Take out the panel (it hinges at the bottom side).

4.3.7 Side I/O Panel

F_15490_013.eps

230605

Figure 4-9 Local keyboard

4.3.9 LED Panel

1. Disconnect all cables from the LED panel.

2. Remove the mounting screws from the LED panel.

3. Take out the panel.

4.3.10 Speakers

1. After removal of the cover plate, you can access the speakers.

2. Be sure that the foam that makes the unit airtight is not damaged. Otherwise replace it.

F_15490_016.eps

240605

1. Disconnect the cable [1] from the Side I/O panel.

2. Remove the assy mounting screws [2].

3. Take out the assy.

4. Release the clamps [3] and take out the panel.

EN 10 FTL2.4E AA4.

4.3.11 SSB

1. Remove the LVDS connector locking bracket [1][2].

2. Remove all shielding fixing screws.

3. Slide, and lift the shielding at the top [3]. The panel hinges at the SCART side. At the same time, use a screwdriver to carefully prize the shielding at the bottom side [4], and remove the shielding. The SSB is now accessible.

4. To remove the whole SSB, unscrew all connector fixing screws from the connector plate [5][6]. Use a 5 mm socket screwdriver to remove both DVI connector distance bolts [6].

5. Disconnect the LVDS cable, and all other cables.

6. Remove the mounting screw [8] from the SSB.

7. Bend the brackets [9] away (may require some force), lift the SSB, and take it out.

Mechanical Instructions

For

PDP

Figure 4-13 SSB brackets

F_15490_027.eps

240605

F_15490_017.eps

Figure 4-10 LVDS connector locking bracket

240605

4.3.12 AmbiLight Lamp Unit

The AmbiLight lamp units are located in the TV’s rear cover.

1. Remove the cable clamps.

2. Remove all mounting AmbiLight screws.

3. Slide the AmbiLight unit to the side and take out the unit.

4.4 Display (Dis)Assembly

Important: Be sure to work in a dust free environment during

the following activities. In addition, the use of (fabric) hand gloves is advised.

1. Important: Unplug the cables [1][2] at the LCD panel. Be careful, as the LVDS connector [1] is very fragile!

2. Unplug the backlight and loudspeaker connectors [3][4].

3. Remove all T10 screws [5] from the mounting frame.

4. Remove all mounting LCD panel screws [6]. One of them [7] is somewhat hidden underneath the SCART panel. The best way to remove this screw is to loosen the 3th SCART panel first via the 2 screws at the SCART connector (see [7] in figure “Connector plate” earlier).

5. Lift the metal frame (together with all PWBs) from the LCD panel. During lift, free the backlight and speaker cables.

6. After removal of the frame, you can lift the LCD display from the set.

Figure 4-11 SSB top shielding

Figure 4-12 Connector plate

F_15490_015.eps

230605

F_15490_026.eps

240605

1 2

Fragile !

Figure 4-14 LCD panel connectors

F_15490_018.eps

240605

Mechanical Instructions

EN 11FTL2.4E AA 4.

F_15490_022.eps

240605

F_15490_021.eps

Figure 4-15 Speaker and LCD backlight cables

F_15490_019.eps

Figure 4-16 LCD panel disassembly (part 1)

Figure 4-18 Bare LCD panel after frame removal

240605

4.5 Set Re-assembly

To re-assemble the whole set, execute all processes in reverse order.

Note: While re-assembling the TV, make sure that:

• All cables are placed and connected in their original position (see figure “Chassis cable dressing” in the beginning of this chapter and/or the “Wiring Diagram” in

chapter 6).

• LVDS connector (SSB) is secured with plastic clamp.

• The "grounding" wire between metal speaker grid and frame [1] is reconnected. –

240605

Figure 4-17 LCD panel disassembly (part 2)

F_15490_020.eps

240605

F_15490_025.eps

Figure 4-19 Metal speaker grid grounding wire

240605

EN 12 FTL2.4E AA5.

Service Modes, Error Codes, and Fault Finding

5. Service Modes, Error Codes, and Fault Finding

Index of this chapter:

5.1 Test Points

5.2 Service Modes

5.3 Problems and Solving Tips (related to CSM)

5.4 Service Tools

5.5 Error Codes

5.6 The Blinking LED Procedure

5.7 Protections

5.8 Repair tips

5.9 Software Downloading

5.1 Test Points

The chassis is equipped with test points printed on the circuit board assemblies.

Perform measurements under the following conditions:

• Service Default Mode.

• Video: colour bar signal.

• Audio: 3 kHz left, 1 kHz right.

5.2 Service Modes

Service Default Mode (SDM) and Service Alignment Mode (SAM) offer several features for the service technician, while the Customer Service Mode (CSM) is used for communication between a Philips Customer Care Centre (P3C) and a customer.

– Smart modes. – Auto store of personal presets. – Auto user menu time-out.

How to activate SDM

Use one of the following methods:

• Use the standard RC-transmitter and key in the code

“062596”, directly followed by the “MENU” button. Note: It is possible that, together with the SDM, the main

menu will appear. To switch it off, push the “MENU” button again.

SDM

SAM

SW UPGRADE

MODE

NORMAL TV MODE

There is also the option of using ComPair, a hardware interface between a computer (see requirements below) and the TV chassis. It offers the ability of structured troubleshooting, test pattern generation, error code reading, software version readout, and software upgrading. Minimum requirements: a Pentium processor, Windows 95/ 98, and a CD-ROM drive (see also paragraph “ComPair”).

Remark: The silk screen printing is not correct for the SAM/ SDM indication. For the correct location of these pins, see figure ”Service pads”.

5.2.1 Service Default Mode (SDM)

Purpose

• To create a pre-defined setting, to get the same measurement results as given in this manual.

• To override SW protections.

• To start the blinking LED procedure.

Specifications

Table 5-1 SDM default settings

Region Freq. (MHz)

Europe, AP-PAL/Multi 475.25 PAL B/G

NAFTA, AP-NTSC, LATAM 61.25 (ch. 3) NTSC M

Default system

Figure 5-1 Service pads

• Short for a moment the two solder pads on the SSB, with the indication “SDM” (see figure ”Service pads”). Activation can be performed in all modes, except when the TV has a problem with the main microprocessor. Caution: If the SDM is activated via the pins, all the software-controlled protections are de-activated.

• Use the DST-emulation feature of ComPair.

• Use the “DEFAULT” button on the Dealer Service Tool (RC7150).

How to navigate

When you press the “MENU” button on the RC transmitter, the TV will toggle between the SDM and the normal user menu (with the SDM mode still active in the background).

How to exit SDM

Use one of the following methods:

• Switch the TV to STANDBY via the RC-transmitter.

• Press the “EXIT” button on the DST.

• Via a standard customer RC-transmitter: key in “00”sequence.

5.2.2 Service Alignment Mode (SAM)

E_14620_151.eps

290704

• All picture settings at 50% (brightness, colour, contrast).

• All sound settings at 50%, except volume at 25%.

• All service-unfriendly modes (if present) are disabled, like: – (Sleep) timer. – Child/parental lock. – Blue mute. – Automatic volume limiter (AVL). – Auto switch-off (when no video signal was received for

10 minutes).

– Skip/blank of non-favourite pre-sets.

Purpose

• To perform (software) alignments.

• To change option settings.

• To easily identify the used software version.

• To view operation hours.

• To display (or clear) the error code buffer.

Specifications

• Operation hours counter.

• Software version.

Service Modes, Error Codes, and Fault Finding

EN 13FTL2.4E AA 5.

• Option settings.

• Error buffer reading and erasing.

• Software alignments.

How to activate SAM

Use one of the following methods:

• Via a standard RC transmitter: key in the code “062596” directly followed by the “OSD [i+]” button. After activating SAM with this method a service warning will appear on the screen, you can continue by pressing any digit key on the RC.

• Short for a moment the two solder pads on the SSB with the indication "SAM" (see figure ”Service pads”). Depending on the software version, it is possible that a service warning will appear. You can continue by pressing any digit key on the RC.

• Use the DST-emulation feature of ComPair.

• Press the ALIGN button on the DST while the TV is in the normal operation

After activating this mode, “SAM” will appear in the upper right corner of the screen.

Contents of SAM:

• Operation Hours. Displays the accumulated total of operation hours (not the stand-by hours).

• Hardware Info. – ROM Version. Displays the date of the software and

the software version of the ROM Ex.: TX24EU_1.0_01234 = AAAABB_X.Y_NNNNN.

• AAAA= the chassis name.

• BB= the region: EU= Europe, AP= Asia Pacific PAL/Multi, AN= Asia Pacific NTSC, US= USA, LT= LATAM.

• X.Y= the software version, where X is the main version number (different numbers are not compatible with one another) and Y is the sub version number (a higher number is always compatible with a lower number).

• NNNNN= last five digits of 12nc code software.

– FBX Version. Displays the software version of the

FBX

– SW VERSION EPLD. Displays the software version of

the EPLD.

• Errors. (followed by maximal 10 errors). The most recent error is displayed at the upper left (for an error explanation see paragraph “Error Codes”).

• Defective Module. Here the module that generates the error is displayed. If there are multiple errors in the buffer, which are not all generated by a single module, there is probably another defect. It will then display the message “UNKNOWN” here.

• Reset Error Buffer. When you press the “OK” button, the error buffer is reset.

• Alignments. This will activate the “ALIGNMENTS” submenu.

• Dealer Options. Extra features for the dealers.

• Service Options. Extra features for Service.

• Initialise NVM. The moment the processor recognises a corrupted NVM, the “initialise NVM” line will be highlighted. Now, you can do two things (dependent of the service instructions at that moment): – Save the content of the NVM via ComPair for

development analysis, before initialising. This will give the Philips Service department an extra possibility for diagnosis (e.g. when Development asks for this).

– Initialise the NVM (same as in the past, however now it

happens conscious). Note: When you have a corrupted NVM, or you have replaced the NVM, there is a high possibility that you will not have picture any more because your display option is not correct. So, before you can initialize your NVM via the SAM, you need to have a picture and therefore you need the correct display option. This code can be found on the option code sticker inside the set.

• Store. All options and alignments are stored when pressing the “OK”-button

• Functional Test. All devices are tested via the “OK” button. Eventual errors are displayed in the error buffer. The error buffer is not erased, the content returns when this test is terminated.

• Daily Menus. With the “OK” button, you can go to the normal user menu. SAM is still active in the background. With the “MENU” button, you return from the user menu to SAM menu. This feature can be helpful to quickly change some settings in the user menu.

• SW Maintenance.

• Upgrade. More info see paragraph Software

downloading.

• Events. Not useful for service purposes. In case of

specific software problems, the development department can ask for this info.

• BDM Info. Broadcast Debug Menu info. The purpose

of this menu is to debug the broadcast, not the TV. The menu gives an overview of what is received on the current preset.

Following items are displayed:

Presetnr: -- UTC: --:--:-Presetname: ----- LTO: --:--:--

CNI NVM: ---- Date: --/--/---CNI F1: ---- CNI F2: ---- Time TXT: --:--:-CNI VPS: ---- Time 8/30 F1: --:--:-Morning Prog: --- Date 8/30 F1: --/--/---Name 8/30 F1: ----- LTO 8/30 F1: --:--:-Name 8/30 F2: ----- Name TXT: ----- WSS G1: ---Signal Strength:--- WSS G2: ----

EPG Service: --- WSS G4: ---

Time: --:--:--

WSS G3: ---

E_14620_050.eps

Figure 5-2 Broadcast debug menu overview

Table 5-2 Broadcast debug menu explanation

Item Source Description

Presetnr Set Preset number of the current selected preset.

Presetname Set Preset name of the current selected preset.

CNI NVM Broadcaster CNI number stored in NVM for the current preset.

CNI F1 Broadcaster CNI number from transmitted Packet 8/30 Format

CNI F2 Broadcaster CNI number from transmitted Packet 8/30 Format

CNI VPS Broadcaster CNI number from transmitted VPS line.

Morning Prog Broadcaster "ARD" or "ZDF" according to dedicated bit in 8/30

Name 8/30 F1 Broadcaster Name extracted from status message of 8/30

Name 8/30 F2 Broadcaster Name extracted from status message of 8/30

Name TXT Broadcaster Name extracted from TXT header.

Signal Strength FBX Noise figure measured for selected preset.

EPG Service Set EPG Service stored in NVM for current preset

UTC Set UTC (Universal Time Code formerly known as

LTO Set LTO (Local Time Offset) used in the TV. Used by

Time Set Current time running in the TV. Was extracted at

Date Set Current date running in the TV. Was extracted at

Time TXT Broadcaster TXT header time from the selected preset.

Time 8/30 F1 Broadcaster UTC time from 8/30 Format 1.

Date 8/30 F1 Broadcaster Date from 8/30 Format 1.

LTO 8/30 F1 Broadcaster LTO from 8/30 Format 1.

WSS G1 Broadcaster WSS Group 1 (Aspect Ratio) bits 0 1 2 3

WSS G2 Broadcaster WSS Group 2 (Enhanced Services) bits 4 5 6 7

WSS G3 Broadcaster WSS Group 3 (Subtitles) bits 8 9 10

WSS G4 Broadcaster WSS Group 4 (Reserved ) bits 11 12 13

Format 1.

Format 2.

displayed as "TXT", "MCP", "SCP", "OCP".

Greenwich Mean Time) used in the TV.

EPG for all NextView displays. (= Time TXT header - Time 8/30 F1)

start-up, then maintained by software.

170504

EN 14 FTL2.4E AA5.

Service Modes, Error Codes, and Fault Finding

How to navigate

• In SAM, you can select the menu items with the “CURSOR UP/DOWN” key on the RC-transmitter. The selected item will be highlighted. When not all menu items fit on the screen, move the “CURSOR UP/DOWN” key to display the next/previous menu items.

• With the “CURSOR LEFT/RIGHT” keys, it is possible to: – (De) activate the selected menu item. – Change the value of the selected menu item. – Activate the selected sub-menu.

How to exit SAM

Use one of the following methods:

• Press the “MENU” button on the RC-transmitter, or

• Switch the TV to STANDBY via the RC-transmitter, or

• Press the “EXIT” button on the DST.

5.2.3 Customer Service Mode (CSM)

Purpose

When a customer is having problems with his TV-set, he can call his dealer. The service technician can than ask the customer to activate the CSM, in order to identify the status of the TV. Now, the service technician can judge the severity of the complaint. In many cases, he can advise the customer how to solve the problem, or he can decide if it is necessary to visit the customer. The CSM is a read only mode; therefore, modifications in this mode are not possible.

How to activate CSM

Use the following method: Key in the code “123654” via the standard RC transmitter.

Note: Activation of the CSM is only possible if there is no (user) menu on the screen!

How to navigate

By means of the “CURSOR-DOWN/UP” knob on the RCtransmitter, you can navigate through the menus.

Contents of CSM

CUSTOMER SERVICE MENU 1

• Software Version (example: TX24EU_1.0_01234). Displays the built-in software version. In case of field problems related to software, software can be upgraded (for more details, see paragraph Software downloading). You will find details of the software versions in the chapter “Software Survey” of the “Product Survey - Colour Television” publication. This publication is generated four times a year.

• Feature Box. The 12NC-number of the built-in Feature Box software.

• Set Type. This information is very helpful for a help desk/ workshop as reference for further diagnosis. In this way, it is not necessary for the customer to look at the rear of the TV-set.

• Code 1. Gives the latest five errors of the error buffer. As soon as the built-in diagnose software has detected an error the buffer is adapted. The last occurred error is displayed on the left most position. Each error code is displayed as a 3-digit number. When less than 10 errors occur, the rest of the buffer is empty (000). See also paragraph Error Codes for a description.

• Code 2. Gives the first five errors of the error buffer. See also paragraph Error Codes for a description.

• Volume. Gives the last status of the volume as set by the customer. The value can vary from 0 (volume is minimum) to 100 (volume is maximum). Volume values can be changed via the volume key on the RC-transmitter.

• Brightness. Gives the last status of the brightness as set by the customer. The value can vary from 0 (brightness is

minimum) to 100 (brightness is maximum). Brightness values can be changed via the “CURSOR LEFT” and “CURSOR RIGHT” keys on the RC-transmitter after pressing the “MENU” button and selecting “PICTURE” and “BRIGHTNESS”.

• Contrast. Gives the last status of the contrast as set by the customer. The value can vary from 0 (contrast is minimum) to 100 (contrast is maximum). Contrast values can be changed via “CURSOR LEFT” and “CURSOR RIGHT” keys on the RC-transmitter after pressing the “MENU” button and selecting “PICTURE” and “CONTRAST”.

• Colour. Gives the last status of the colour saturation, as set by the customer. The value can vary from 0 (colour is minimum) to 100 (colour is maximum). Colour values can be changed via “CURSOR LEFT” and “CURSOR RIGHT” keys on the RC-transmitter after pressing the “MENU” button and selecting “PICTURE” and “COLOUR”.

• Hue. Only relevant for NTSC-signals (e.g. some NTSCDVD-discs).

CUSTOMER SERVICE MENU 2

• Sharpness. Gives the sharpness value. The value can vary from 0 (sharpness is minimum) to 7 (sharpness is maximum). In case of bad antenna signals, a too high value of the sharpness can result in a noisy picture. Sharpness values can be changed via the “CURSOR LEFT” and “CURSOR RIGHT” keys on the RC-transmitter after pressing the “MENU” button and selecting “PICTURE” and “SHARPNESS”.

• Headphone Volume. Gives the last status of the head phone volume, as set by the customer. The value can vary from 0 (volume is minimum) to 100 (volume is maximum). Head phone volume values can be changed via the “CURSOR LEFT” and “CURSOR RIGHT” keys on the RCtransmitter after pressing the “MENU” button and selecting “SOUND” and “HEADPHONE VOLUME”.

• Dolby. Indicates whether the received transmitter transmits Dolby sound (“ON”) or not (“OFF”). Attention: The presence of Dolby can only be tested by the software on the Dolby Signalling bit. If a Dolby transmission is received without a Dolby Signalling bit, this indicator will show “OFF” even though a Dolby transmission is received.

• Surround Mode. Indicates the by the customer selected surround mode (or automatically chosen mode). Possible values are “OFF”, “INCREDIBLE SURROUND” OR “DOLBY VIRTUAL”. These settings can be influenced after pressing the “MENU” button and selecting “SOUND” and SURROUND MODE”. It can also have been selected automatically by signalling bits (internal software).

• Tuner Frequency. Indicates the frequency the selected transmitter is tuned to. The tuner frequency can be changed via the “CURSOR LEFT” and “CURSOR RIGHT” keys for fine tune after opening the installation menu and selecting “INSTALL” and “MANUAL INSTALL”.

• Digital Option. Gives the selected digital mode, “PROGRESSIVE SCAN”, “MOVIE PLUS” or “PIXEL PLUS”. Change via “MENU”, “PICTURE”, “DIGITAL OPTIONS”.

• Centre Trim. Not applicable for this set.

• TV System. Gives information about the video system of the selected transmitter. – BG: PAL BG signal received. – DK: PAL DK signal received. – I: PAL I signal received. – L/La: SECAM L/La signals received. – M: NTSC M signal received with video carrier on 38.9

MHz.

CUSTOMER SERVICE MENU 3

• Balance. Indicates the balance settings, between “-50” and “+50”. Change via “MENU”, “SOUND”, and “BALANCE”. Not applicable for Dolby Pro Logic sets.

• Centre Mode. Not applicable for this TV.

Service Modes, Error Codes, and Fault Finding

EN 15FTL2.4E AA 5.

• DNR. Gives the selected DNR setting (Dynamic Noise Reduction), “OFF”, “MINIMUM”, “MEDIUM”, or “MAXIMUM”. Change via “MENU”, “PICTURE”, “DNR”

• Noise Figure. Gives the noise ratio for the selected transmitter. This value can vary from 0 (good signal) to 127 (average signal) and to 255 (bad signal). For some software versions, the noise figure will only be valid when “Active Control” is set to “medium” or “maximum”.

• Source. Indicates which source is used and the video/ audio signal quality of the selected source. Example: Tuner, Video/NICAM) Source: “TUNER”, “EXT1”, “EXT2”, “EXT3”, “EXT4”, “SIDE”, “AV1”, “AV2”, “AV3” or “AV4”. Video signal quality: “VIDEO”, “S-VIDEO”, “RGB 1FH”, “YPBPR 1FH 480P”, “YPBPR 1FH 576P”, “YPBPR 1FH 1080I”, “YPBPR 2FH 480P”, “YPBPR 2FH 576P”, “YPBPR 2FH 1080I”, “RGB 2FH 480P”, “RGB 2FH 576P” or “RGB 2FH 1080I”. Audio signal quality: “STEREO”, “SPDIF 1”, “SPDIF 2”, or “SPDIF”.

• Audio System. Gives information about the audio system of the selected transmitter: “ANALOGUE MONO”, “ANALOGUE STEREO”, “PCM 2/0”, “DD 1/0”, “DD 2/0 LtRt”, “DD 2/0 L0R0”, “DD 2/1”, “DD 2/2”, “DD 3/0”, “DD 3/ 1”, “DD 3/2”, “DD 1+1”, “MPEG 1/0”, “MPEG 2/0”, “MPEG 2/0 LtRt”, “MPEG 2/1”, “MPEG 2/2”, “MPEG 3/0”, “MPEG 3/1”, “MPEG 3/2”, “MPEG 1+1” or “MPEG 2+2”.

• Tuned Bit. Gives information about the tuning method of the stored pre-set. If a channel is found via “automatic installation”, you will see the value “YES”. When you change this (automatically found) frequency via “fine tune” adjustment (installation menu - manual installation), the displayed value will change to “NO”. Therefore, when you see the value “NO” in this line, it is an indication that the received channel is a non-standard signal (e.g. of a VCR).

• Surround Speakers. Not applicable in this set.

• On Timer. Indicates if the “On Timer” is set “ON” or “OFF” and if the timer is “ON” also displays start time, start day and program number. Change via “MENU”, “TV”, “FEATURES”, and “ON TIMER”.

• Preset Lock. Indicates if the selected preset has a child lock: “LOCKED” or “UNLOCKED”. Change via “MENU”, “TV”, “FEATURES”, “CHILD LOCK”, and “CUSTOM LOCK”.

CUSTOMER SERVICE MENU 4

• Child Lock. Indicates the last status of the general child lock: “UNLOCK”, “LOCK”, or “CUSTOM LOCK”. Change via “MENU”, “TV”, “FEATURES”, “CHILD LOCK”, and “LOCK”.

• Age Lock. Indicates the last status of the EPG rating for child lock: “OFF”, “4 YEARS”, “6 YEARS”, “8 YEARS”, “10 YEARS”, “12 YEARS”, “14 YEARS” or “16 YEARS”. This is only displayed if child lock is set to “CUSTOM LOCK”

• Lock After. Indicates at what time the child lock is set: “OFF” or e.g. “18:45” (lock time). This is only displayed if child lock is set to “CUSTOM LOCK”

• Category Lock. Indicates the last status of the EPG theme child lock: “MOVIES”, “NEWS”, “SHOWS”, “SPORTS”, “CHILDREN”, “MUSIC”, “CULTURE”, or “SERIES”. This is only displayed if child lock is set to “CUSTOM LOCK”. It is possible that more than one value is shown.

• Program Category. Indicates the theme of the selected transmitter: “MOVIES”, “NEWS”, “SHOWS”, “SPORTS”, “CHILDREN”, “MUSIC”, “CULTURE”, or “SERIES”.

• TV Ratings Lock. Only applicable for US.

• Movie Ratings Lock. Only applicable for US.

• V-Chip TV Status. Only applicable for US.

CUSTOMER SERVICE MENU 5

• V-Chip Movie Status. Only applicable for US.

• Options 1. Gives the option codes of option group 1 as set in SAM (Service Alignment Mode).

• Options 2. Gives the option codes of option group 2 as set in SAM (Service Alignment Mode).

• AVL. Indicates the last status of AVL (Automatic Volume Level): “ON” or “OFF”. Change via “MENU”, “TV”, “SOUND”, “AVL”

• Delta Volume. Indicates the last status of the delta volume for the selected preset as set by the customer: from “-12” to “+12”. Change via “MENU”, “TV”, “SOUND”, “DELTA VOLUME”.

• Front Spkr Dist. Not applicable for this TV.

How to exit CSM

Use one of the following methods:

• After you press a key on the RC-transmitter (with exception of the “CHANNEL”, “VOLUME” and digit (0-9) keys), or

• After you switch the TV-set “OFF” with the mains switch.

Note: When you de-activate CSM, it is possible (depending on the software version) that the size of the picture changes. This can be solved by pushing “P+” and then “P-”.

5.3 Problems and Solving Tips (related to CSM)

Note: Below described problems are all related to the TV

settings (visible in the CSM menu). The procedures to change the value (or status) of the different settings are described above. New value(s) are automatically stored.

5.3.1 Picture Problems

Snowy/noisy picture

1. Check in CSM line NOISE FIGURE. In case the value is

"127" or higher, and the value is also high on other programs, check the aerial cable/aerial system. For some software versions, the noise figure will only be valid when “Active Control” is set to “medium” or “maximum”.

2. Check in CSM lines SHARPNESS and NOISE FIGURE. In

case the value of line SHARPNESS is "3" or "4" and the value of line NOISE FIGURE is high ("127" or higher), decrease the "Sharpness” value.

Picture too dark

1. Press “Menu”, “TV”, “Picture”, “Smart Picture”. In case the

picture improves, increase the “Brightness” or the “Contrast” value. The new value(s) are automatically stored (in “personal” pre-set) for all TV channels.

2. Check in CSM line BRIGHTNESS and CONTRAST. If the

value of these lines is low (< "10"), increase the “Brightness” or the “Contrast” value via the user menu.

Picture too bright

1. Press “Menu”, “TV”, “Picture”, “Smart Picture”. In case the

picture improves, decrease the “Brightness” or the “Contrast” value. The new value(s) are automatically stored (in “personal” pre-set) for all TV channels.

2. Check in CSM lines BRIGHTNESS and CONTRAST. If the

value of these line is high (> 50), decrease the “Brightness” value or increase the “Contrast” value via the user menu.

White line around picture elements and text

1. Press “Menu”, “TV”, “Picture”, “Smart Picture”. In case the

picture improves, decrease the “Sharpness” value. The new value is automatically stored (in “personal” pre-set) for all TV channels.

2. Check in CSM line “Sharpness”. If the value is high,

decrease it. The new value is automatically stored for all TV channels.

No picture

Check in CSM line TUNED BIT. In case the value is “No”, install the required program again. Open the installation menu and perform manual installation.

EN 16 FTL2.4E AA5.

Service Modes, Error Codes, and Fault Finding

No picture or unstable picture

A scrambled or decoded signal is received.

Black and white picture

Check in CSM line COLOUR. In case the value is low (< "10"), increase the “Colour” value via the user menu. The new value is automatically stored for all TV channels.

No colours/colour lines around picture elements or colours not correct or unstable picture

1. Check in CSM line TV SYSTEM. If a “strange” system pops up, something has gone wrong during installation. Reinstall the channel.

2. If in CSM line TV SYSTEM is “L”, then the installed system for this pre-set is “France” (SECAM standard). if the country requires a PAL standard, “West Europe” is required. Install the required program again: open the installation menu and perform manual installation. Select system “West Europe”.

Menu text not sharp enough

1. Press “MENU”, “TV”, “PICTURE”, “SMART PICTURE”. In case picture improves, decrease the contrast value. The new value(s) are automatically stored for all TV channels.

2. Check line “Contrast”. If the value is high, decrease the contrast value.

5.3.2 Sound Problems

buffer. Diagnosis is done on I access the I send and receive I

C/UART bus of the television. ComPair can

C/UART commands to the micro

C/UART level. ComPair can

controller of the television. In this way, it is possible for ComPair to communicate (read and write) to devices on

C/UART buses of the TV-set.

the I

• Manually (by asking questions to you): Automatic diagnosis is only possible if the micro controller of the television is working correctly and only to a certain extend. When this is not the case, ComPair will guide you through the fault finding tree by asking you questions (e.g. Does the

screen give a picture? Click on the correct answer: YES / NO) and showing you examples (e.g. Measure test-point I7 and click on the correct oscillogram you see on the oscilloscope). You can answer by clicking on a link (e.g. text or a waveform picture) that will bring you to the next

step in the fault finding process.

By a combination of automatic diagnostics and an interactive question / answer procedure, ComPair will enable you to find most problems in a fast and effective way.

How To Connect

This is described in the chassis fault finding database in ComPair.

UART SERVICE

CONNECTOR

TO I2C SERVICE CONNECTOR

No sound from left and right speaker

Check line 6 “Volume”. The value is low. Increase the value of “Volume”. The new value(s) are automatically stored (in “personal” pre-set) for all TV channels.

5.4 Service Tools

5.4.1 ComPair

Introduction

ComPair (Computer Aided Repair) is a service tool for Philips Consumer Electronics products. ComPair is a further development on the European DST (service remote control), which allows faster and more accurate diagnostics. ComPair has three big advantages:

1. ComPair helps you to quickly get an understanding on how to repair the chassis in a short time by guiding you systematically through the repair procedures.

2. ComPair allows very detailed diagnostics (on I is therefore capable of accurately indicating problem areas. You do not have to know anything about I yourself because ComPair takes care of this.

3. ComPair speeds up the repair time since it can automatically communicate with the chassis (when the microprocessor is working) and all repair information is directly available. When ComPair is installed together with the Force/SearchMan electronic manual of the defective chassis, schematics and PWBs are only a mouse click away.

Specifications

ComPair consists of a Windows based fault finding program and an interface box between PC and the (defective) product. The ComPair interface box is connected to the PC via a serial (or RS-232) cable. For this chassis, the ComPair interface box and the TV communicate via a bi-directional service cable via the service connector(s).

The ComPair fault finding program is able to determine the problem of the defective television. ComPair can gather diagnostic information in two ways:

• Automatic (by communication with the television): ComPair can automatically read out the contents of the entire error

C level) and

C commands

PC VCR I2CPower

9V DC

E_06532_021.eps

180804

Figure 5-3 ComPair interface connection

How To Order

• Starter kit ComPair32/SearchMan32 software and ComPair interface (excl. transformer): 3122 785 90450.

• ComPair interface (excl. transformer): 4822 727 21631.

• Starter kit ComPair32 software (registration version): 3122 785 60040.

• Starter kit SearchMan32 software: 3122 785 60050.

• ComPair32 CD (update): 3122 785 60070 (year 2002), 3122 785 60110 (year 2003 onwards).

• SearchMan32 CD (update): 3122 785 60080 (year 2002), 3122 785 60120 (year 2003), 3122 785 60130 (year 2004).

• ComPair firmware upgrade IC: 3122 785 90510.

• Transformer (non-UK): 4822 727 21632.

• Transformer (UK): 4822 727 21633.

• ComPair interface cable: 3122 785 90004.

• ComPair interface extension cable: 3139 131 03791.

• ComPair UART interface cable: 3122 785 90630.

Note: If you encounter any problems, contact your local support desk.

Stepwise Start-up

Under normal circumstances, a fault in the power supply, or an error during start-up, will switch the television to protection mode. ComPair can take over the initialisation of the television. In this way, it is possible to distinguish which part of the startup routine (hence which circuitry) is causing the problem. Take notice that the transition between two steps can take some time, so give the set some time to reach a stable state. During the transition time, the LED can blink strangely.

Service Modes, Error Codes, and Fault Finding

EN 17FTL2.4E AA 5.

Stepwise start- up explanation

This is realised via ComPair and is very helpful when a protection is activated (see also chapter “Protections”). The following diagram shows the start-up procedure of the set. Every step of the stepwise start-up (also called trapped startup) in the diagram corresponds with the number of times the led blinks.

OUT

OTC gets supply voltage

OTC resets, Initialise IO pins

Reset Audio=high

Read NVM identification

enable watchdog

Initialize PDP SDI

OFF

Stand-by bit = OFF

400msec>t>200msec

opt 0,1,7

start time extraction start P50 recording

start EPG loading

Standby bit = off

Ambient light ON

Trapped Startup 1

Trapped Startup 2

Start up LCD

opt 3,4,5,6

Mains cord IN

Stand-by

Put Stand-by line LOW

CPU GO becomes HIGH

Set STBYEN,VCCON,PFCON = 1

Only FHP (opt 2, 8)

Keep sound amplifiers muted with

sound enable = high

+5V and +8V is switched on

+8V and +5V get their nominal level,

detected by the OTC

activate protection algorithms for +8V and +5V and I²C (start I²C protection the moment the component

Initialize HIP: IF, source selection, 2fh input, video

Switch on the syncoutput: set_syncout_tristate= off

is initialised).

Read rest of NVM information

processing

Initialize tuner

Initialize 3D Combfilter

or Initialize Columbus

Initialize PICNIC + screen info

Initialize rest of PIP/DW module

Start TXT acquisition

and time extraction

Reset Audio = low and Initialize MSP

Initialize EBILD

Screen type

Initialize PDP FHP

opt 2,8

Figure 5-4 Stepwise start-up part 1

Start up LCD

Start

Stand-by bit set ?

yes

Ebild Power ON

Output Blanking OFF

LAMP ON

Tact switch

E_14620_048.eps

LCD ON

170504

5.4.2 LVDS Tool

Introduction

This service tool (also called “ComPair Assistant 1“) may help you to identify, in case the TV does not show any picture, whether the Small Signal Board (SSB) or the display of a Flat TV is defective. Furthermore it is possible to program EPLDs with this tool (Byteblaster). Read the user manual for an explanation of this feature.

Since 2004, the LVDS output connectors in our Flat TV models are standardised (with some exceptions). With the two delivered LVDS interface cables (31p and 20p) you can cover most chassis (in special cases, an extra cable will be offered).

When operating, the tool will show a small (scaled) picture on a VGA monitor. Due to a limited memory capacity, it is not possible to increase the size when processing high-resolution LVDS signals (>= 1280x768). Generally this tool is intended to determine if the SSB is working or not. Thus to determine if LVDS, RGB, and sync signals are okay.

How to Connect

Connections are explained in the user manual, which is delivered with the tool.

Note: To use the LVDS tool, you must have ComPair release 2004-1 (or later) on your PC (engine version >= 2.2.05). For every TV type number and screen size, one must choose the proper settings via ComPair. The ComPair file will be updated regularly with new introduced chassis information.

How to Order

• LVDS tool (incl. two LVDS cables: 31p and 20p): 3122 785 90671.

• Service Manual LVDS tool: 3122 785 00810.

5.5 Error Codes

5.5.1 Introduction

The error code buffer contains all detected errors since the last time the buffer was erased. The buffer is written from left to right, new errors are logged at the left side, and all other errors shift one position to the right. When an error has occurred, the error is added to the list of errors, provided the list is not full or the error is a protection error. When an error occurs and the error buffer is full, then the new error is not added, and the error buffer stays intact (history is maintained), except when the error is a protection error. To prevent that an occasional error stays in the list forever, the error is removed from the list after 50+ operation hours. When multiple errors occur (errors occurred within a short time span), there is a high probability that there is some relation between them.

Trapped Startup 3

Semi stand by

Figure 5-5 Stepwise start-up part 2

Note: When the set is in stepwise mode and, due to stepping-

up, a protection is activated, the set will really go into protection (blinking LED). The set will not leave the stepwise-mode however. If state X is the state where the set went to protection, stepwise start-up will return to state X-1. At state (X-1) diagnostic measurements can be performed. Also, in the short time the set is in state X but not yet in protection, you can also do some measurements.

Trapped Startup 4

E_14620_049.eps

170504

5.5.2 How to read the Error Buffer

Use one of the following methods:

• On screen via the SAM (only if you have a picture). Examples: – 0 0 0 0 0: No errors detected – 6 0 0 0 0: Error code 6 is the last and only detected

error

– 9 6 0 0 0: Error code 6 was first detected and error code

9 is the last detected error

• Via the blinking LED procedure (when you have no

picture). See next paragraph.

• Via ComPair.

EN 18 FTL2.4E AA5.

Service Modes, Error Codes, and Fault Finding

5.5.3 How to clear the Error Buffer

Use one of the following methods:

• By activation of the “RESET ERROR BUFFER” command in the SAM menu.

• With a normal RC, key in sequence “MUTE” followed by “062599” and “OK”.

• When you transmit the commands “DIAGNOSE” - “99” “OK” with ComPair (or with a DST).

• If the content of the error buffer has not changed for 50+ hours, it resets automatically.

5.5.4 Error Codes

In case of non-intermittent faults, clear the error buffer before you begin the repair. This to ensure that old error codes are no

Table 5-3 Error Code Overview

Error Device Description Def. item Def. Module indication Diagr.

1 M24Cxx NVM, spontaneous blinking error 1 7011 - B5a

3 SAA4978 PICNIC 7713 Feature Box B3a

4 Supply 5 V 5V protection - +5V Supply B5a

5 Supply 8 V 8V protection - +8V Supply B5a

6 Slow I

C bus blocked Spontaneous blinking error 6 - Slow I2C Blocked -

8 TDA932x HIP High-end Input Processor 7323 Chroma IF IO B2

13 UV1318/... Tuner protection 1T01 Tuner B13a

14 MSPxxxx ITT sound processor 7A02 Audio module B6a

18 Fast I

C bus blocked Spontaneous blinking error 18 - Fast I2C Blocked -

21 M62320 I/O Expander 7P56 Video Dual Screen B15b

26 SAA4998 FEM (Falconic with Embedded Memory) 7760 +3V (FBX) Supply B3b

27 T6TX5 Eagle 1C 7720 +3V (FBX) Supply B3c

32 M29W400xx Flash Ram (EPG) 7012 EPG Memory B5a

35 T6TU5 Columbus 7752 Video Control B3d

55 DC/DC converter One of the voltages is not ok + protection error - MSB -

76 Audio supply Audio supply protection - - -

118 AD9883A AD converter 7L01 HD B19a

121 EPLD EPLD error 7V01 Video control B19d

Note: If error 3 or error 55 appears, sometimes error 16 is also logged. Error 16 is a non existing error.

longer present. Before clearing the buffer, write down the content, as this history can give you significant information. If possible, check the entire contents of the error buffer. In some situations, an error code is only the result of another error code and not the actual cause (e.g., a fault in the protection detection circuitry can also lead to a protection). There are various errors:

C device errors.

•I

C bus errors.

•I

• Protection errors.

• Errors not related to an I

C device, but of importance:

– FEM (Falconic with Embedded Memory) (Error 26):

at start-up, after initialisation of the PICNIC, the presence of the FEM can be checked.

– Eagle (Error 27): at start-up, after initialisation of the

PICNIC, the presence of the Eagle can be checked.

Note:

• Error codes 1, 6, or 18 are protection codes and in this case, supplies of some circuits will be switched “off”. Also, in protection, the LED will blink the number of times equivalent to the most recent error code.

Service Modes, Error Codes, and Fault Finding

EN 19FTL2.4E AA 5.

5.6 The Blinking LED Procedure

5.6.1 Introduction

Via this procedure, you can make the contents of the error buffer visible via the front LED. This is especially useful for fault finding, when there is no picture.

When the SDM is activated, the front LED will show (blink) the contents of the error-buffer. Error-codes > 10 are shown as follows: – A long blink of 750 ms (which is an indication of the decimal

digit), – A pause of 1.5 s, – “n” short blinks (where “n” = 1 - 9), – When all the error-codes are displayed, the sequence

finishes with a LED blink of 3 s, – The sequence starts again.

Note: For error codes >100, the first two digits (hundred-andten) are considered as one digit (one long blink)

Example: Error 12 9 6 121 0. After activation of the SDM, the front LED will show: – 1 long blink of 750 ms (which is an indication of the decimal

digit) followed by a pause of 1.5 s, – 2 short blinks followed by a pause of 3 s, – 9 short blinks followed by a pause of 3 s, – 6 short blinks followed by a pause of 3 s, – 12 long blinks of 750 ms (which is an indication of “120”)

followed by a pause of 1.5 s, – 1 short blink followed by a pause of 3 s, – 1 long blink of 3 s to finish the sequence, – The sequence starts again.

Note: If errors 1, 6, or 18 occur, the LED always gives the last occurred error even if the TV is NOT in service mode.

protection mode is indicated by the blinking of the front LED at a frequency of 3 Hz (or by a coded blinking in special cases).

The content of the error buffer can be read via the service menu (SAM), the blinking LED procedure or via DST/ComPair.

To get a quick diagnosis, this chassis has three service-modes implemented:

• The Customer Service Mode (CSM).

• The Service Default Mode (SDM). Start-up of the TV in a predefined way.

• The Service Alignment Mode (SAM). In this mode, items of the TV can be adjusted via a menu.

You can activate both SDM and SAM modes via the “service pads” on the SSB (see figure “Service pads”), via an RCtransmitter (DST or standard RC), or via ComPair. It is not possible to activate the SAM in “stand-by”; the TV has to be in “normal operation” mode.

The “Protection Diagram” shows the structure of the protection system. See diagram below.

TUNER

FAST I2C BUS BLOCKED

SLOW I2C BUS BLOCKED

EPLD

FBX

3D COMB

DC_PROT (from audio)

+8V_CON

+5V_CON

DC/DC

PROTECTION

IRQ-DIGITAL (98)

+8V SENSE (105)

+5V SENSE (106)

I2C

OTC

E_14650_032.eps

170604

5.6.2 How to Activate

Use one of the following methods:

• Activate the SDM (only via soldering pads marked “SDM” on SSB, see figure “Service pads”). The blinking front LED will show the entire contents of the error buffer (this works in “normal operation” mode and in “protection” mode).

• Transmit the commands “MUTE” - “062500” - “OK” with a normal RC. The complete error buffer is shown. Take notice that it takes some seconds before the blinking LED starts.

• Transmit the commands “MUTE” - “06250x” - “OK” with a normal RC (where “x” is a number between 1 and 5). When x= 1 the last detected error is shown, x= 2 the second last

error, etc.... Take notice that it takes some seconds before

the blinking LED starts.

• “DIAGNOSE X” with the DST (where “x” is a number between 1 and 5). When x= 1 the last detected error is

shown, x= 2 the second last error, etc.... When x = 0 all

errors are shown.

5.7 Protections

5.7.1 Introduction

This chassis has only one microprocessor (OTC), which remains active during Stand-by. This because power of the microprocessor and the attached memory chip set is coming from the 3V3 supply, which is derived from the 5V Stand-bycircuitry. Therefore, in both Power-on as in Stand-by mode, the microprocessor is connected to this power supply.

If a fault situation is detected, an error code will be generated and if necessary, the TV is put in protection mode. The

Figure 5-6 Protection diagram

There are several types of protections:

C related protections.

•I

• OTC related protections (via polling on I/O pins or via algorithms).

• Hardware protection

All protections are explained below.

5.7.2 I

C Related Protections

In normal operation, some registers of the I are refreshed every 200 ms. During this sequence, the I buses and the I

C protection will take place if the SDA and SCL lines are

An I

C ICs are checked.

C controlled ICs

short-circuited to ground, or to each other. An I occur, if the power supply of the IC is missing.

DC/DC protection: When a 3V3 supply is short-circuited, the DC/DC converter switches “off” and goes in protection. The FBX, EPLD IC, and 3D comb IC have no supply voltage and give no acknowledge. In this case, the TV should go into protection. An error code is written in the NVM: DC/DC error.

FBX protection: the FBX protection is not available any more. It is replaced by the DC/DC protection.

5.7.3 OTC Related Protections

If a protection is detected at an OTC input, the OTC will start to scan all protection inputs every 200 ms for 5 times. If the protection on one of the inputs is still active after 1 s, the microprocessor will put the TV in the protection mode. Before the scanning is started, a so-called “ESD refresh” is carried out.

C error will also

EN 20 FTL2.4E AA5.

Service Modes, Error Codes, and Fault Finding

This is done, because the interrupt on one of the inputs is possibly caused either by a flash or by ESD. As a flash or ESD can influence IC settings, the HIP, MSP, 3D Comb and wireless module (not used in this set) are initialised again, to ensure the normal picture and sound conditions of the TV.

8 V and 5 V protections: The microprocessor senses the presence of the 8 V and 5 V (via the “+5V_CON” and “+8V_CON” lines). If one (or both) of these voltages is (are) not present, an error code is stored in the error buffer of the NVM, and the TV is put in the protection mode.

Audio Supply protection: The OTC senses if the audio module is in protection via IRQ-DIGITAL (pin 98 of OTC). If this is the case, the OTC puts the TV in protection.

5.7.4 Hardware Protection

Short-circuiting the 3V3 supply from the DC/DC converter will shut down the DC/DC converter. The absence of the 3V3 supply line is also sensed via I

C (see description Audio Supply protection above), this is useful if there is something wrong in the detection circuit of the DC/DC converter.

Audio DC Protection: This protection occurs when there is a DC voltage on the speakers. In that case, the Main Supply is switched “off”. The Stand-by Supply is still working.

Repair tip: If there is an audio DC protection (DC voltage on your speakers), you will probably see error 18 blink. To be sure this is an audio DC protection, disconnect the cable between the SSB and the audio PWB and also the cable between the Main Supply and the Audio PWB. If the TV starts up, it is very likely that there is DC on the speakers. Check, and replace if necessary, the audio amplifiers. Note: It is also possible that you have an Audio DC Protection because of an interruption in one or both speakers (the DC voltage that is still on the circuit can not disappear through the speakers).

3. If you do not have two external power supplies, you can do the following: Desolder coils 5U02, 5U03, and 5U04 (you must desolder all three, otherwise the circuit could be damaged), connect an external power supply of 3V3 at the cathode of diode 6U06. Make sure to limit the current of this external supply to approximately 1200 mA. If the supplied current exceeds 1100 mA (approximately normal working current) you can conclude that one of the devices supplied by 3V3 is short-circuited.

4. Another possibility is to force the converter to start up by short-circuiting (and keep short-circuited) resistor 3U25 (B12). Caution: Be aware that this can damage the TV. Even if you measure approximately 120 ohm over diode 6U06, there can still be something wrong in the converter itself. By short-circuiting resistor 3U25, the internal protection of the converter is disabled.

5.8.2 Protections

Activating SDM via the “service pads” will overrule the processor-controlled protections, but not the hardware protections. This means, that the A/D-input protections (5 and 8 V) and the I

C “not-acknowledging” info of FBX + EPLD + 3D Comb and of the tuner are overruled. Caution: When doing this, the service technician must know what he is doing, as it could lead to damaging the TV.

Note: It can sometimes take up to half a minute before the TV goes to protection!

5.8 Repair tips

5.8.1 3V3 Supply (DC/DC converter on the SSB)

As mentioned above, the DC/DC converter is switched “off” when something goes wrong (detection of a missing 3V3 supply at one of the devices supplied by the 3V3). Because of this, the TV goes to protection (I is logged. For further diagnoses, you need to overrule the I put the TV in Service Default Mode by means of the solder pads on the SSB (see figure “Service pads”). The DC/DC converter is still not working because it is switched “off” by the 3V3_FAULT line (schematic B12). Now you have some possibilities:

1. First, measure the impedance over diode 6U06. In normal conditions, you should measure approximately 120 ohm (if possible, verify this with another set). If the impedance is much too low, do not try to start up the converter as mentioned below. Remind that if FET 7U03 is shortcircuited, this will also influence your measurement.

2. Desolder coils 5U05 and 5U06, connect an external 3V3 supply at capacitor 2U23 (current limitation to 500 mA) and a second external 3V3 supply at capacitor 2U31 (current limitation to 800 mA). The normal working current of the 3V3_SIM line is approximately 400 mA and the normal working current for the 3V3_DCDCFBX line is approximately 700 mA. Therefore, if one of the currents exceeds their nominal value you can determine in which circuit the overload is situated. If the TV would start up and you have normal picture, there is probably no overload but a problem in the detection circuits.

C protection). Error code “55”

C protection:

5.8.3 Repair tip table

Table 5-4 Repair tips

Phenomenon Possible Cause Repair tip

“F” in right corner of the screen and set is not reacting on remote control. The local keyboard is functioning.

No picture, LED blinking at 3 Hz. Set is in protection due to various causes.

No picture, LED blinking with code 6-6-6 or 18-18-18. No communication on slow I2C- or fast I2C-bus. As processor cannot communicate with one of the 2 buses, the Stand-by-LED

No picture, LED blinking with code 1-1-1. No communication on NVM-I2C bus to the uP. As the uP cannot communicate with the NVM I2C bus, it spontaneously starts

No RC-reception. Blue LED does not echo RCcommands.

Picture is not synchronised. The sync is derived in the HIP. Check crystals in the HIP circuit on bad contacts.

Picture is distorted. Check video-path in Service Default Mode. Investigate whether there is an error code present in the error buffer. In case

Picture with horizontal stripes. Pixel Plus processing is malfunctioning Check functionality on circuitry (B3a, B3b, B3c and B3d) of PICNIC, FEM,

No NextView (EPG). IC7012 defective or not powered. Check circuitry around IC7012 on diagram “B5a”.

No Teletext. IC7007 defective or not powered. Check circuitry around IC7007 on diagram “B5a”.

Problems caused by EPG (Electronic Program Guide). The TV set "hangs".

NexTView EPG is not functioning only Teletext guide. EPG version 2C3 is switched “off” during

Various symptoms, due to missing local supply voltage. An interrupted fuse, NFR-resistor or connection. When no symptom or error code leads you to a specific circuitry, use the supply

No sound at the speakers but sound at monitor out. Possible problem with the class D amplifier Check circuitry around IC7700 on d iagram “SA3” (LCD) or “C” (PDP).

No sound at the speakers but sound at monitor out. Sound enable from OTC is HIGH, speakers are

No sound at the speakers not at monitor out, but sound at SCART 1 output.

No sound from any output (except headphone) Reset audio is high or MSP is not properly reset Check pin 16 of MSP (diagram “B6a”) and circuitry around MSP.

No sound from the tuner but sound from any other input. Problem with the delay line (PDP sets only) Check circuitry on diagram “B6d”.

Service Modes, Error Codes, and Fault Finding

TV is in factory mode. Press MENU button on local keyboard for at least 3 seconds. Set will leave

For error codes see error-code list.

uP circuitry or RC-receiver is defective. In case the TV does react on a local keyboard operation, you must check the

Problems with NexTView EPG broadcasts. To switch from EPG 2C3 to Teletext guide, press for 4 seconds, simultaneously

production.

muted

POR line is low, anti plop circuit mutes the sound Check pin 8 on connector 1739 on audio panel. Diagram “C” for PDP sets and

factory mode and function normally again.

You have no picture, so:

- Read the error buffer via ComPair (error buffer is accessible when set is in protection, ComPair-file will guide you to this).

- Read the blinking LED information via standard remote command <mute>06250x<ok>.

- Or you read the error code sequence via standard remote command <mute>062500<ok>. When you have found the error, check the circuitry related to the supply voltage and I2C-communication or the circuitry that triggers the protection.

spontaneously starts blinking 6-6-6-etc. or 18-18-18-etc... If in the error buffer somewhere is an error 6 or 18, these will have the highest priority starting the mentioned blinking. Measure, dependent of the error on the I2C-bus, which device is loading the bus (use I2C-overview).

blinking 1-1-1. Note: when there is no access to the NVM, a lot of picture setting can go wrong.

RC-receiver circuitry (diagram “J”).

there is one, check the I2C-bus and/or supply lines (see overview supply lines). Measure and check signal path Tuner-HIP-FBX-EPLD.

EAGLE, COLUMBUS and/or field memories. Tip: the whole Pixel Plus chipset can be diagnosed via ComPair.

the MENU button on the TV and digit 0 on the remote. The option settings for NexTView type and FlashRAM will not change.

To switch from Teletext guide to EPG 2C3, press for 4 seconds, simultaneously the MENU button on the TV and digit 1 on the remote. The option settings for NexTView type and Flashram will not change.

lines overview (see supply lines overview), for a quick scan of all supply lines.

Check pin 95 of OTC on diagram “B5a”.

diagram “SA3” for LCD sets

EN 21FTL2.4E AA 5.

5.9 Software Downloading

In this chassis, you can upgrade the main software via ComPair without removing the back cover of the TV (it is possible that early production sets don’t have a hole in the back plate, in this case you have to remove the back plate). The switch, which is needed for the software downloading procedure, can be reached through a gap in the back cover or the SSB shielding. The switch can be operated with a toothpick or something like that. Make sure that you do not damage the PWB with sharp objects. You can find more information on how this procedure works in the ComPair file. It is possible that not all sets are equipped with the hardware, needed to make software upgrading possible. To speed up the programming process the firmware of the ComPair interface can be upgraded. See paragraph “How To Order” for the order number.

EN 22 FTL2.4E AA5.

Personal Notes:

Service Modes, Error Codes, and Fault Finding

E_06532_012.eps

131004

Block Diagrams, Testpoint Overviews, and Waveforms

6. Block Diagrams, Testpoint Overviews, and Waveforms

Wiring Diagram (32”)

Wiring 32"

EN 23FTL2.4E AA 6.

8302

Ambient light lamps right

TOP CONTROL

0345

AUDIO STANDBY

2P3

1736

2P3

1735

1739

8315

1314

8318

8548

1M08

1M48

AMBIENT LIGHT 2

8314

1M49

1M02

10P

8349

8508

10P

1M10

1315

1318

8310

8352

1304

1309

1M10

1M52

SSB

1M46

11P

1306

1307

1305

1M03

2P3

10P

8506

8507

8505

31P

1G50

LVDS

31P

1M51

8250

4P 4P

1M10

1M08

1M48

1M49

8346

AMBIENT LIGHT 1

8317

1M17

8509

8303

11P

1M46

1M12

1M11

11P

10P

12P

1M36

11P

8504

1M03

1M20

8337

MF +SUPPLY

1304

1309

1307

2P3

1606

1305

1MO2

10P

CN3

CN4

CN5

1308

INVERTERS

2P3

8336

8308

SIDE I/O

11P

1M36

lamps left

Ambient light

right

8735

1M11

11P

1M12

TUNER

LED panel

0345

8345

12P

1M20

8220

1M07

8307

1M07

3th SCART

11P

1M37

11P

1M36

left

AC inlet

8736

F_15490_029.eps

240605

8192

Block Diagrams, Testpoint Overviews, and Waveforms

Block Diagram Supply (32”)

SUPPLY + STANDBY 32"

MAINS FILTER + STANDBY PART A

F4A

5401 5403

MAINS

FILTER

6506 DF06M

1308

1 2

MAINS INPUT

1400

EN 24FTL2.4E AA 6.

5009

5040

5104

3V MAX 1V MAX STBY

3108

3156

HOT COLD

2143

5002

HOT COLD

5105

6156

3157

7002 TCET1102

11 12

13 14

COLD HOT

5500

7501 TCET1102

7030

3031

5027

5028

5025

5026

1007

T5A

5110

3128

3158

7150 TCET1102

6044 STPS20L45CT

6045

6021 STPS20H100CT

6025

6504

6140

5103

3124

OVERVOLTAGE PROTECTION

PROT-OVV

DC_PROT

7507 7506 7512

3509

6122

3030

2513

3022

2291

6291

6293

2293

STANDBY

2141

6107

3113

7010 TS2431AI

7511

5506

3057

3052

3025

VS Voltage

3026

Adj.

5293

5291

5292

2512

+12V

2021

+24V

2022

VSND_POS

GND_SND

VSND_NEG

+5V2-RELAY-IO2_PWM

+12V_A

5507

STANDBY

STANDBY: LOW = ON HIGH = STBY

7531

DC_PROT

3534

VTUN

+11V

+12V

+8V6

7131

+5V2

+5V_SW

1304

44 33 22 11

1M02

3539

SA1

1304

TO 1M02

CONNECTIONS

SA3

AUDIO

+12V_A

+12V_+24V

+5V_SW

POR

+5V_SW

ON_OFF +5V_SW

DIM_CONTROL

1314

1315

1M10

1M03

1M46

1M18

1 2 3 4 5

1 2

9 5

1 2 3 4 6

DISPLAY

TO 1M10

AMBI LIGHT

TO 1M03

B21

CONNECTION

TO 1M46

B21

CONNECTION

DISPLAY

F_15490_030.eps

240605

SUPPLY PART A

1450

6461

6460

2503

HOT

COLD

1401

T1A

6807 GBJ6J

3810

2815

9814

RES

2816

RES

6154

3101

6155

RES

25V_HOT_A

400V_HOT_A

1305

1306

1307

SA2

1305

11 22 33

1306

11 22

1307

11 22

33 44

7017 7018

SOFT

START

CURRENT

PROTECTION

STANDBY

+5V2

5504

3007

CONTROL

7505/7509/7560/

7510

5505

7001 MC34067P

OSCC

CONTROL

ERROR

SOST

VREF

7004 7009

VOLTAGE

PROTECTION

BIAS SUPPLY

VCC

OVER

Prot-OVV PROT_AUDIOSUPPLY STANDBY

3000

5007

5001

SA2 SA1 SA1

7100 7101 7105

CONTROL

6153

3101

6080

6077

5017

5008

STP15NK50ZFP

7007

HIGH

SIDE

DRIVE

STP15NK50ZFP

7008

LOW

SIDE

DRIVE

3104

3150

3127

3100

6150

6078

6151

3028

5010

2003

7005

7006

7102

3155

Block Diagrams, Testpoint Overviews, and Waveforms

Block Diagram Video

VIDEO

MAIN TUNER

B13A

B14b

B14b B15a B14b B14b

B14a B14a

N.C. B14b B14c B14g

CVBS-TER-OUT

+5V

1T01 UV1318ST

MAIN TUNER

CVBS-SC1_AV1-IN

SEL-SVHS-RR_STATUS2

CVBS-AV3-IN

Y-CVBS-SC2_AV2-IN C-SC2_SVHS-IN Y-CVBS-FRONT-IN C-FRONT-IN

CVBS-SC2-MON-OUT R/G/B-SC1-Y/U/V-IN SC2-FBL-IN

SC2-R_C-IN_AV2 SC2-G-IN SC2-B-IN_C-OUT

5T25

7,3

S-SDA-PIP

PIP-OUT

+33V

S-SCL-PIP

6TO8

AGC

IF, I/O VIDEOPROCESSING EAGLEAUDIO DEMODULATOR

MONITOR

B5A

AGC

IF-TER

7402

5403

40,4

SAW FILTER

AUDIO

1409-A

SAW FILTER

VIDEO

1410 1408

TUNER AGC

VIF1 VIF2

SIF2 SIF1

7411

I6 7323 TDA9321H

PLL

DEM

QSS

MIXER

DEMO

SOUND-OUTPUT

7410

1407

7322

SOUND FILTER

10 12 13 14

GROUP DELAY

COR.

QSS-AM

B6A

HIP

SEE BLOCK DIAGRAM AUDIO

7415

CVBS-TXT

B5A

OTC

7320

26 29

PROC.

Y/U/V

SEPAR.

SYNC

PROC.

SCART1

36 37 38 39

SWITCH

DECODER

PAL

NTSC

SECAM

H-SYNC

PROC.

V-SYNC

PROC.

RGB/YUV

MATRIX

VIDEO

SWITCH

CONTROL

16 17

18 20 21 23 24

32 34

VY V

RGB

41 42 43 40

1305

1308

46 47

SCART2

7414

PAL

4.43MHz

NTSC M

3.57MHz SCL-F SDA-F

B6A

+8VP

Y50

U50

V50

HA50

VA50

EN 25FTL2.4E AA 6.

B3A

B3D

HA50

VA50

PICNIC

Y-PIP+MAIN-OUT

U-PIP+MAIN-OUT

V-PIP+MAIN-OUT

3727

3728

B19d

COLUMBUS

7753 MSN56V16160F-7TS

F162

F164

F165

F166

SDRAM

SCL-F SDA-F

4 5

COL_SD

7711

M27C512

7713 SAA4978H

ADC

7752-1 T6TU5XB

Href-EXT

B3a

64K

PROM

74HC573

LATCH

AD(0-7)

DIGITAL

SIGNAL PROCESSING

PICNIC

SYNC PROCESSING

BUS A

UVA / YA

COLUMBUS

I/O

7712

BUS B

UVB / YB

BUS C

DA (0-15)

CLI6 WEC RSTW

1 2 30

CLK32FM1

SN-DA SN-CL

Href-EXT

7714 MS81V04160A

FIELD

MEMORY

FM1

3724

B3c,d,B19d

SNDA

SNCL

CLK32

B3B

MF (1-17)

FALCONIC

7760 SAA4998H

FALCONIC

EMBEDDED

MEMORY

34 41

B3C

UVF (0-7)

YF (0-7)

B19b B19d B19d B19d

B19d

YG (0-7)

UVG (0-7)

YF (0-7)

UVF (0-7)

CLK32I FALREF REFIN Vref

SNDA SNCL

HREF_EXT_E

7719

118 26 27

EAG_SD

MSM56V16160F

512KX16X2

Y-OUT (0-9)

U-VOUT (0-9)

CLK64 HD-E VD-E

DRAM

B19b B3a B3a

7720 TBF24EF

EAGLE

163

46 47 32

33 24

EPLD CONTROL SCREEN INTERFACE

B19B

7V01 EP1C12F256C8

+2V5-IO +3V3-IO +1V5-INT

+1V5-PLL

H-2FH-AD-OUT V-2FH-AD-OUT

B19a B19a

SYNCDET

B19a

B3a

Href-EXT

B3a

HD_E

B3a

VD_E

PIP SWITCH

B15B

B14B CONNECTIONSIO3 SWITCH

1 2

13 12

3 5

B14B

SC1-R

SC1-G

SC1-B

CVBS-SC2_MON-OUT

C-SC2_SVHS-IN

SC2-G

SC2-B_C-OUT

SCART 1

21 19

SCART 2

21 19

CVBS-SC1_AV1-IN IN-CVBS-SC1_AV1-SUB

SC1-FBL

SC1-STATUS

Y-CVBS-SC2_AV2-IN

SC2-FBL

B5A

OTC

P50

SEL-SVHS-RR_STATUS2

SCART 3

CVBS-SC3-IN

B2 B15A

B14a

SVHS

SIDE I/O

CVBS

251

STATUS-SC3-F

13 12

7516

74HC4053 3 5

1 2

B14C

CVBS-TER-OUT

R-SC1_V-IN

G-SC1-IN_Y-IN

B-SC1-IN_U-IN

FBL-SC1-IN

7I12 74HC4053

7I32 74HC4053

SDA-S

SCL-S

SEL_FRONT_SC3

FRONT-SC3-Y-CVBS

1M36

24Y 3

7P56 M62320

EXP

FRONT-SC3-Y-C

FRONT-Y-CVBS

2 3

FRONT-C

SWITCH-MAIN

I/O

1M36

2 3 4

SWITCH-SUB

B21

1M36

B14A

SC2-B_C-OUT

B14b,c

CONNECT

FRONT-Y-CVBS-IN

2 3

FRONT-C-IN

MMC

7I35 7I36 7I37

CONTROL

SC2-FBL

B14b

B14C

DIGITAL INPUT

B14F

DVI-I INPUT CONNECTOR

C-FRONT-IN

Y-CVBS-FRONT-IN

1D01

1 2 3 4 5 6 7 8 9

C3 C4

C1 C2

12 13

14 15 16 17 18 19

916

20 21 22 23 24 C1 C2 C3 C4

SCL_DVI SDA_DVI

AV6-V

1I59

7I51 7I52

1I56

1I57

1I53

7V03 MSM56V16160F

7I18 SII907

49 48

52 51

3 2

5 6

SUPPLY

STANDARD

DEFLECTION

SYNC

CONTROL

INPUT

CONTROL

SD-A

DRAM

512KX16X2

RX2RX2+

SCLS SDAS

RX1RX1+

DVI

RECEIVER

RX0RX0+

RXC+ RXC-

SD-DQ

IOR

IOG

IOB

VSYNC

HSYNC

B19a

VD-OTC HD3-OTC PWR-OK-PDP LCD-PWR-ON LAMP-ON

CLK32E Vref Href RSTR REF FALREF REFIN SWITCH-1FH SWITCH-2FH

B19b B19d

B19d B19d

18 HDVI

B3c

B3a B3a

B19d

B3c B3c

B3c B3c B3c

B19b B19b

CLK32P_EPLD

AV6-R R-DV1

AV6-G G-DVI

AV6-B B-DVI

AV6-V V-DVI

AV6-H

SWITCH-MAIN

B15B

CLK-2FH CLK-64

CLK-VID

SDA-F3

SCL-F3

SN-CL

SN-DA

SWITCH-2FH

CLK32E

SWITCH-2FH

B14G

1 7

3 9

12 13

24 23

7I55 BA7657F

R1-IN

R2-IN

G1-IN

G2-IN

B1-IN

B2-IN

VD1-IN

VD2-IN

HD1-IN

HD2-IN

HD-S-SIG-DET

C-V-IN

CTL

7E03

7E04

I/O7

+5VIO

1 2

GROUND

468

VCC

SYNC SEPA

LOGIC

CLKP

1:2

CLK-OSD

B19C

CLK32I

B3c

7I56

R-VGA

R-OUT

7I57

G-VGA

G-OUT

7I58

B-VGA

B-OUT

VD-OUT

HD-OUT

DET

C-S-OUT

SC2-R_C-IN_AV2

SC2-G-IN

SC2-B-IN_C-OUT

UVF (0-7)

CONVERTION

U-AD (0-7)

7154 TSH95

UV-AD (0-7)

YF (0-7)

Y-2FH

V-2FH

U-2FH

SDA-F3

SCL-F3

PATH

FOR

3FH

ONLY

Y-AD (0-7)

UV DEMUX

CONTRAST SATURATION BRIGHTNESS

B19A

Y-OUT (0-9)

U-VOUT (0-9)

EPLD

HDI A/D CONVERTER

7L01 AD9883AKST

A/D

COVERTER

SYNC

PROC.

CLOCK

GENERATOR

SERIAL

POWER

MAN.

2-9

70-77

12-19

66 64 65 67

B15a

YUV

RGB

CLKP

H-2FH-AD-OUT V-2FH-AD-OUT SYNCDET CLK-2FH

R-OSD (0-5)

B19D

OSD

INSERTION

G-OSD (0-5)

EPLD I/O

B-OSD (0-5)

B19d B19d B19d B19b

BL-OSD (0-4)

B5A

R (0-7)

G (0-7)

B (0-7)

L3 K1 K5

HS-OUT VS-OUT DE-OUT

CLK-OUT

LVDS-PWR-DOWN

OTC

7001 SAA5801H

OTC

77 R-TXT 2FHR-GFX 78 G-TXT 2FHG-GFX

DIPLAY

INTERFACE

79 B-TXT 2FHB-GFX 80 FB-TXT 2FHFB-GFX

Block Diagram Audio

AUDIO

I2C IC’s overview

IIC

OTC

88 87

7001

SAA5801H

SET

PROCESSOR

ADDRESS

CONTROL

91 92

86 85

DATA

Block Diagrams, Testpoint Overviews, and Waveforms

3064-4 3064-3

SDA SCL

M24C64

EEPROM

3064-2 3064-1

7011

(NVM)

+5V2_CON

3069

3079

+3V3-INTOTC

3001 3002

ERR

+5V2_CON

3092

3088

7006

M29W320DT

PROGRAM

FLASH-RAM

SDA-F SCL-F

SDA-S SCL-S

ERR

AUDIO

B6A

DEMODULATOR

3A17

3A19

SDA-F-AUD

SCL-F-AUD

7A02

MSP3411G

AUDIO

DEMODUL

ERR

PIP SWITCH

B15B

3P66

3P65

7P56

M62320FP

I/O

EXPANDER

ERR

I/O, VIDEO

PROCESSING

47 46

TDA9321H

4 5

TDA7309

DECODER

3377 3376

7323

HIP

ERR

7A06

AUDIO

ERR

SDA-F SCL-F

SDA-S SCL-S

B3A

PICNIC

3826

SDA-EPLD

3827

SCL-EPLD

B19B

EN 27FTL2.4E AA 6.

3710

3709

7E10 PCA9515DP

B14E

SAA4978H

EPLD CONTROL

+5V2Pr

7713

ERR

VCC

PICNIC

I2C BUFFER

9E57

RES

9E58

RES

I/O5

3758

+3V3-EPLD

B21

3Y09

SDA-SF

B14B

B3D

SDA-D SCL-D

SN-DA SN-CL

3E69

3E70

CONNECTIONS

1M20

3Y40

SCL-SF

I/O2 CONNECTIONS

11 12

1M15

2 3

COLUMBUS

9817 9818 A15 B15

7752-2

T6TU5XB

COLUMBUS

CTRL

SDA-F3 SCL-F3

LED SWITCH PANEL (ITV)

COMPAIR SERVICE CONNECTOR

ERR

9815 9816

C14 D14

HDI A/D

B19A

CONVERTER

3L06 3L03

57 56

7L01

AD9883AKST

A/D

CONVERTER

ERR

B14E

7I10 PCA9515DP

B3C

I/05

EAGLE

9757 9755

33 24

7720

T6TX5AF

EAGLE1C

ERR

VCC

RES

9I06

9I05

B19C

57 56

AD9883AKST

CONVERTER

+3V3_SIM

FALCONIC

B3B

SN-DA

SN-CL

34 41

7760

SAA4998H/V1

FEM

ERR

EPLD OSD

3E18 3E19

7E23

A/D

ERR

3IB3

3IB1

B14F

EPLD I/0

B19D

3V38 3V37

2 1

7V01-4

EP1C12F256C8

BANK3

ERR

SCREEN

B20

INTERFACE

SDA-DISP SCL-DISP

I/O6 DIGITAL INPUT

DVI INPUT CONNECTOR

SDA-DVI

916

SCL-DVI

3I49 3I46

C1 C2

C3 C4

7I19

M24C02

EEPROM

+3V3-IO

3V50

3V51

AL-CL-IN

+3V3-IO

3V55

3V54

AL-DA-IN

1G50

3Z51

31 30

TO DISPLAY

3Z50

3IQ7 3IQ6

7V04-1

7V04-2

7I52

+5V

3V52

+5V

3V53

7I51

B21

AL-CL

AL-DA

3V3-Si-IO

14 15

7I18

SII907BCQ

DVI

RECEIVER

CONNECTIONS

1M49

TO CON2

2 3

AMBI LIGHT

7007

MSM51V18165F

DRAM

(TXT)

7012

M29W400DT

ERR

RES FOR MMC

1I11

19 20

SDA-S

SCL-S

B13A

MAIN TUNER

7T50 P82B96TD

VCC

9T50 9T12

+5V

B13B

SUB TUNER

3T05

3 2 5 6

RES

3T06

9T07

9T08 54

1T01

UV1318ST

MAIN

TUNER

ERR

S-SDA-PIP S-SCL-PIP

9T10

9T09

1T02

UV1318S

SUB

TUNER

ERR

E_14650_021.eps

230804

Block Diagrams, Testpoint Overviews, and Waveforms

Supply Lines Overview

SUPPLY LINES OVERVIEW

SUPPLY

BLOCK DIAGRAM

42" SUPPLY

(PART A 42")

7. Circuit Diagrams and PWB Layouts

LCD Supply Panel: Mains Filter + Standby

123456

A1 A1

MAINS FILTER + STANDBY

MAINS FILTER

5403

MAINS INPUT

95-264Vac

F411

F414

F413

F412

F410

2 1

1308

F415

3401

F418

4M7

F416

F419

T3.15AH 250V(EUR) T5AH 250V(AP) T5AH 250V(US)

F417

3402

I419

3403

I429

1000

GND screw

1400

PTF/65

4M7

I410

2400

470n

14 DMF3547HB60

3400

1403

500V 1402

500V

COLD GROUND

5401

2404

47p

I431

3405

220R

2401

I416

2407

I430

1001

GND screw

470n

220p

I411

I455

3404 220R

T1AE 250V

1401

1306

1 2

F426

TO 1306

AUDIO-STANDBY

GNDHOT

F424 F425

PTF/65

F427

F428

290V (303V)

5402

DMF3547HB60

2406

9003

I412

47p

I432

1011

HEATSINK

9001

3451 1R0

I442

3450 1R0

9005

6506

DF06M

GNDHOT

2408

I415

I444

I445

2503

100n

G5PA-1-5VDC

I424

I456

4V8 (0V)

10u

RELAY +

F420

1305

TO 1305

AUDIO-STANDBY

COLD

3104 313 6063.2

234567891011

8 9 10 11 12 13

9050

5006

288V (0)

9814

330u

2815

3101

1K0

9808

I830

9813

9811

2816

330u

I420

100n

33u

AVS10CB

100n

4R7

2810

I825

2809

I824

I826

3805

7806

47n

I422

5804

HOT

1450

6461

6460

BAS316

COLD

RELAY -

F421

B3B-EH-A

F422

3810

12K

I810

I413

56n

2804

6809

1N5062

1M0

3800

I814

6808

1N5062

I816 I815

I828

22K

3807

3806

3804

I820

470R

20K

2805

9806

2807

I811

I813

6807

GBJ6J

9810

7805

AVS1ACP08

I831

VDD

I426

MODE

I427

OSIN

2802

I428

100p

VSS

OSOUT

47n

2803

I812

56n

2806

47u 50V

F423

25V_HOT

I817

I423

3803

390R

I425

91K

3802

I421

2808

9812

12 13

400V_HOT

6155

BYG10

I418

6154

I417

BYG10

1307

I414

2 3 4

B4P-VH

TO 1307

AUDIO-STANDBY

F_15490_001.eps

120405

F426 F2

1000 D2

F427 F3

1001 D4

F428 F4

1011 E5

I410 B3

1305 F7

I411 C4

1306 F2 1307 B13

I412 C5

1308 C1

I413 B8

1400 C2

I414 B13

1401 F3

I415 C6 1402 D3 1403 D3 1450 C8 2400 C2 2401 C4 2404 C3 2406 C5 2407 C4 2408 C6 2503 E6 2802 E10 2803 C10 2804 C9 2805 E9 2806 F10 2807 E9 2808 E11 2809 E12 2810 D12 2815 C11 2816 D12 3101 C12 3400 C3 3401 C1 3402 C2 3403 D2 3404 D4 3405 D3 3450 B6 3451 C5 3800 D9 3802 E10 3803 E11 3804 E9 3805 E12 3806 E9 3807 E9 3810 B10 5006 B12 5401 C3 5402 C5 5403 B5 5804 E11 6154 C12 6155 C12 6460 E8 6461 D8 6506 E6 6807 C10 6808 E9 6809 D9 7805 D10 7806 E11 9001 C5 9003 C5 9005 C6 9050 B12 9806 E9 9808 C12 9810 D10 9811 D12 9812 E11 9813 C12 9814 C12 F410 C1 F411 B1 F412 B1 F413 B1 F414 B1 F415 C1 F416 C2 F417 C2 F418 C1 F419 C2 F420 F7 F421 F8 F422 B10 F423 B10 F424 F2 F425 F2

I416 C4

I417 B13

I418 C12

I419 D2

I420 D12

I421 E11

I422 E11

I423 E10

I424 E7

I425 E10

I426 E10

I427 E10

I428 E10

I429 D2

I430 D4

I431 D3

I432 D5

I442 B6

I444 B6

I445 C6

I455 D4

I456 E7

I810 B10

I811 B10

I812 B10

I813 B10

I814 E9

I815 E9

I816 E9

I817 C11

I820 F9

I824 E12

I825 E12

I826 E12

I828 E9

I830 C12

I831 E9

LCD Supply Panel: Supply

16V (0V) for US 20V4 (0V) 25V_HOT

2040

SUPPLY

6081

VS-CONTROLLER

I103

3002

39K

2K7

560p

3003

27K

3004

1234

2009

100p

3043

10R

25V_HOT

2034

100p

2005

3048

I104

I021

3009

20V4 (0V)

2035

100p

2K7

3008

3K3

3104 313 6063.2

2002

BZX384-C22

I006

100p

2004

I009

630V

RES 6001

BAS316

330R

2007

Circuit Diagrams and PWB Layouts

345

3000

4R7

470u

16V (0V) for US

20V4 (0V)

25V_HOT

630V

200p

2006

25V

1n0

3006

3007

10K

16V

470n

I025

3066

10K

3067

100R

I007

I008

10K

I010

3058

5M6

400V_HOT

I096

5017

I027

3005

33K

122V(0V) for US 288V(0V)

3050

820K

SOFTSTART

CONTROL

I018

2027

RES

I022

6020

I143

BAS316

9015

I146

CONTROL

MC34067P

I105

50V

15n

7017

BC857BW

I023

3064

F007

2026

3027

100K

I142

2010

RES 6082

BAS316

9009

7001

3053

680K

10K

50V 2n2

I020

EN|UA

OSCC

OSCR

OSCCC

EAO

SOST

3012

I028

6009

PDZ18-B

I141

100u

I097

470R

BYG22D

9008 RES

VCC

VREF

PGND

GND

2050

15K

7018 BC847BW

I029

3010

6080

I012

1n0

3061

PROTECTION

3011

EN 30FTL2.4E AA 7.

6789

HOT GROUND

5008

STP15NK50ZFP

7005

SML4744

I294

400V_HOT

FLM 1/6W

2000V

1n5

c001

I131

16V (0V) for US

20V4 (0V) 25V_HOT

I111

2013

5004

I110

F029

1600V

I034

I149

3100

10R

I002

5005

2000V

1n5

1600V

10n

2017 5040

I114

2011

10n

I084

2014

I081

2n2

2000V

BIAS SUPPLY

12V (0V) for US

6079

100K

2016

F004

6077

BYG22D

F003

6004

6005

16V100n

BYG22D

3065

68K

2003

5015

BAT54 COL

5016

BAT54 COL

F008

3033

I098

1R0

1m0

9004

470p

2063

I108

470p

2064

F009

22V(0V)

I095

I147 I014

CURRENT

I024

2008

470R

16V 470n

6022

10K

3013

BZX384-C4V7

6011

BAS316

2019

I033

6010

BAS316

I135

3047

47R

10n

16V (0V) for US

20V4 (0V)

25V_HOT

I106

3068

2K2 6051

I136

BAS316

I134

2015

I137

50V

10n

100R 3001

I148

I107

7009

BC857BW

3070

1K0

6078

BYG22D

5009

S13932-04

3045

3071

3056

220R

5001

I139

I099

I100

5010 1m0

I101

F299

I037

7006

I112

SML4744

9025

5007

3014

100R 3015

47R

5041

F005

I113

I001

6013

9024

5013

2012

c002

GND3

I038

F002

I055

I064

400V_HOT

2060

2n2

6003

BAS316

3035

I045

3K3

3016

3021

I140

7004 BC847BW

2048

I109

3K3

3029

3K3

2065

2n2

6002

I052

BAS316

2071

1n0 6028

I145

BAS316

22R

I132

1n0

6017

GND3

I039

2062

2n2

6008

BAS316

3028 3K3

3020 3K3

3019

3K3

I036

2018 RES

2077

I133

2046

100n

22R

3046

3075

1K0

2n2

6006

BAS316

47n

22R

I138

10K

HIGH SIDE

I003

BAS316

I004

100R

3017

I057

47R

3018

I059

I051

BC857BW 7008

GND3

6015

BAS316

I296

6014

BZX384-C22

I295

10K

3089

2047

10n

BAS316

F018

DRIVE

2061

I042

2n2

6007

2072

I046

1n0 6027

BAS316

7007

BC857BW

LOW SIDE

DRIVE

STP15NK50ZFP

6012

I011

3055

220R

HOT GROUND

567

COLD GROUND

7002

TCET1102(G)

5002

2652.0002 A

2000

470p

F023

F300

COLD GROUND

91011

10 11 12 13

11V3 (0V)

10V2 (0V)

I116

3069

7030

BC847BW

5027

5028

I117

I076

I123

2K2

I070

I073

GND_SND

2290

10n50V

3292

560R

I063

0V (0V)

1n0

I072

5025

I077

5026

I124

GND_SND

HEATSINK

I062

I005

470n

2039

2028

50V

6044

STPS20L45CT

2044

50V

1n0

6045

STPS20L45CT

I074

I080

1007

I292

1009

10K 3031

47K

3032

2029

50V

1n0

6021

STPS20H100CT

2045

50V

1n0

6025

STPS20H100CT

250V

T5A

372(5.000)

2291

470p

50V

6291

STPS8H100FP

6293

STPS8H100FP

2293

50V

470p

HEATSINK

1010

F021

2020

F012

F024

I290

I291

I293

DC_PROT

2m2 25V

F028 F027

F017

F025

2022

2292

2294

HEATSINK

3999 1K0

2021

1012

F022

3057

470n

2023

220R

6030

BAS316

3051

4K7

3022

+12V

10n

RES

2031

33K

3052

I119

RES

15K

3037

680R

I120

F016

25V2m2

9010

2038

4m7 16V

4m716V

I085

I089

3023

15K

7010

TS2431

2030

18K

3030

5293

33u

2m2

5291

33u

2m2

5292

33u

I094

F293

F297

VSND_POS

GND_SND

F298

F294

VSND_NEG

+24V +12V

DC_PROT

F292

F290 F295

F001

F010

12 13

+12V

3049

I016

3054

2024

220n

16V

F014

16V

100n

Voltage

Adj.

F006

I013

3059

2K2

3036

33K

3044

I015

470R

7031

BC847BW

I017

3042

12K

470n

2037

4K7

ONLY FOR

32" SHARP

24V4 (0V)

2051

220n 2052

220n 2053

220n

2033

220n

33K

3024

MRS25 1%

I088

6023

BAS316

1K8

3025

I093

470R

RES

3034

3026

F296

1M02

7 6 5 4 3 2 1

1304

1 2 3 4

1309

1 2 3

6054

470n

2036

100K

BZX384-C10

1K0

3039

I150

2041

220n 2042

220n 2043

220n

2025 220n

2032

I121

8K2

3040

I092

3041

9002

3038

33K

TO 1M02

AUDIO - STBY

TO 1304

AUDIO - STBY

TO 1309

AUDIO - STBY

F_15490_002.eps

120405

+24V

I122

3044 A13

F010 H12

1007 G10

3045 F6

1009 H10 1010 H11

3046 F6

1012 H11

3047 H5

1304 H13

3048 D2 3049 A12

1309 I13 1M02 G13

3050 E3

2000 E9

3051 B12

2002 A2

3052 C12 3053 E3

2003 A5

3054 C12

2004 C2

3055 I7

2005 D2

4n7

RES

33K

RES

2006 C2 2007 E2 2008 F4 2009 D1 2010 H3 2011 E9 2012 E8 2013 C8 2014 F9 2015 F5 2016 E4 2017 D9 2018 F6 2019 H4 2020 C11 2021 B11 2022 E11 2023 A12 2024 E12 2025 E13 2026 G3 2027 E3 2028 B10 2029 D11 2030 F12 2031 B12 2032 E13 2033 E13 2034 C1 2035 C2 2036 A13 2037 B13 2038 D11 2039 B10 2040 C1 2041 D13 2042 D13 2043 D13 2044 C10 2045 E11 2046 I6 2047 I7 2048 I6 2050 E3 2051 D13 2052 D13 2053 D13 2060 C6 2061 B7 2062 D6 2063 C5 2064 D5 2065 D7 2071 E7 2072 C7 2077 H6 2290 G10 2291 G11 2292 G11 2293 H11 2294 H11 3000 A2 3001 G5 3002 C1 3003 C1 3004 D1 3005 C3 3006 D2 3007 E2 3008 E2 3009 E2 3010 H4 3011 H4 3012 F3 3013 F4 3014 B7 3015 C7 3016 C7 3017 D7 3018 E7 3019 F6 3020 E6 3021 F6 3022 C11 3023 E12 3024 E13 3025 F13 3026 G13 3027 G3 3028 E6 3029 C7 3030 F11 3031 A11 3032 B10 3033 A5 3034 F13 3035 C7 3036 A13 3037 C12 3038 E13 3039 A13 3040 E13 3041 F13 3042 B13 3043 D1

3056 I6 3057 A12 3058 E2 3059 A13 3061 E4 3064 F3 3065 E4 3066 F2 3067 H2 3068 G5 3069 A10 3070 H5 3071 H6 3075 G6 3089 H7 3100 A9 3292 G10 3999 A11 5001 C6 5002 C9 5004 C8 5005 C9 5007 B8 5008 B8 5009 B5 5010 A6 5013 D8 5015 C5 5016 D5 5017 A3 5025 D10 5026 E10 5027 B10 5028 C10 5040 D9 5041 E8 5291 G11 5292 H11 5293 G11 6001 D2 6002 D7 6003 C6 6004 C5 6005 D5 6006 I6 6007 C7 6008 D6 6009 H3 6010 F4 6011 F4 6012 E7 6013 C8 6014 H7 6015 G7 6017 I7 6020 H3 6021 D11 6022 H4 6023 E13 6025 E11 6027 C7 6028 E7 6030 A12 6044 B10 6045 C10 6051 H5 6054 A13 6077 A5 6078 A6 6079 A4 6080 A4 6081 A2 6082 A3 6291 G11 6293 G11 7001 C3 7002 A9 7004 H6 7005 C8 7006 D7 7007 C7 7008 F7 7009 G6 7010 E12 7017 F3 7018 F3 7030 A10 7031 B13 9002 G13 9004 B5 9008 A4 9009 A3 9010 C11 9015 H3 9024 C8 9025 E7 F001 H12 F002 C8 F003 C4 F004 D4 F005 D8 F006 I12 F007 F3 F008 D5 F009 D5

F012 D11 F014 F12 F016 B11 F017 D11 F018 B7 F021 A11 F022 A12 F023 F9 F024 D11 F025 D11 F027 C11 F028 C11 F029 D8 F290 G12 F292 G12 F293 G12 F294 H12 F295 H12 F296 G13 F297 G12 F298 H12 F299 B7 F300 F9 I001 B8 I002 B9 I003 B6 I004 D7 I005 A10 I006 B2 I007 C2 I008 C2 I009 C2 I010 D2 I011 H7 I012 D4 I013 A13 I014 A13 I015 A13 I016 A12 I017 B13 I018 E3 I020 E3 I021 E2 I022 F3 I023 F3 I024 F4 I025 F2 I027 C3 I028 G3 I029 G4 I033 F5 I034 F8 I036 F6 I037 C7 I038 B8 I039 D6 I042 B7 I045 C6 I046 C7 I051 E7 I052 D6 I055 F8 I057 E7 I059 E7 I062 A10 I063 A10 I064 B6 I070 B10 I072 C10 I073 D10 I074 D10 I076 E10 I077 D10 I080 F10 I081 F9 I084 F9 I085 E12 I088 E13 I089 E12 I092 F13 I093 F13 I094 F12 I095 A4 I096 A3 I097 A3 I098 A5 I099 A6 I100 A6 I101 A6 I103 C1 I104 D2 I105 E3 I106 G5 I107 C5 I108 D5 I109 C7 I110 D8 I111 C8 I112 E8 I113 E8 I114 D9 I116 C10 I117 C10 I119 C12 I120 C12 I121 E13 I122 E13 I123 F10 I124 G10 I131 I8 I132 I7 I133 I6 I134 I5 I135 G5 I136 H5 I137 G5

I138 H6 I139 G6 I140 G6 I141 H3 I142 H3 I143 H3 I145 E7 I146 A3 I147 A4 I148 A5 I149 A9 I150 B13 I290 G11 I291 G11 I292 H10 I293 H11 I294 C8 I295 H7 I296 G7 c001 F8 c002 F8

+ 88 hidden pages