Philips S50HW-YD07 Schematic

Page 1
Colour Television Module
SDI PDP 2K7
S42AX-YD08 (42-inch HD, W2 Plus)
S50HW-YD05 (50-inch HD, W2)
S50HW-YD07 (50-inch HD, W2 Plus)
Contents Page
1. Technical Specifications, Connections, and Chassis Overview 2
2. Safety Instructions, Warnings, and Notes 9
3. Directions For Use 10
4. Mechanical Instructions 11
5. Service Modes, Error Codes, and Fault Finding 20
6. Block Diagrams, Test Point Overview, and Waveforms 58
7. Circuit Diagrams and PWB Layouts 59
8. Alignments 60
9. Circuit Descriptions, Abbreviation List, and IC Data Sheets 73
10. Spare Parts List 74
11. Revision List 74
©
Copyright 2007 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.
Published by MW 0770 BU CD Customer Service Printed in the Netherlands Subject to modification EN 3122 785 16872
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EN 2 SDI PDP 2K71.
s 7
Technical Specifications, Connections, and Chassis Overview

1. Technical Specifications, Connections, and Chassis Overview

Index of this chapter:

1.1 PDP Overview

1.2 Serial Numbers
1.3 Chassis Overview
Notes:
Figures can deviate due to the different model executions.
Specifications are indicative (subject to change).
1.1 PDP Overview

Table 1-1 PDP overview

PDP Type / Version Model Name H x V Pixel
1 42” HD W2 S42AX-YD04 1024 x 768
2 42” HD W2 Plus S42AX-YD08 1024 x 768
3 50” HD W2 S50HW-YD05 1366 x 768
4 50” HD W2 Plus S50HW-YD07 1365 x 768

1.1.1 42" HD W2

Figure 1-1 Rear view of plasma panel (42” HD W2)
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Figure 1-2 Location of mounting screws (42” HD W2)
Note:
Black dot= screw 4x12 (n= 8).
Red dot= screw 3x10 (n= 40).
Screw torque 9.5 ± 0.5 kgf.cm.
No Item Specification 42” HD W2
1 Pixel 1.024 (H) x 768 (V) pixels
2 Number of Cells 3072 (H) x 768 (V)
3 Pixel Pitch 0.912mm (H) x 0.693mm (V)
4 Cell Pitch R Horizontal 0.304 mm
5 Display size 933.89 (H) x 532.22 (V) mm
6 Screen size Diagonal 42" Colour Plasma Display Module
7 Screen aspect 16:9
8 Display colour 1073.7 million colours (10-bit)
9 Viewing angle Over 160 deg (angle with 50% and greater
10 Dimensions 1000 (W) x 588.3 (H) x 65.3 (D) mm
11 Weight Module 3 About 17.5 kg
12 Vertical frequency
Video/Logic Interface
(1 pixel = 1 R,G,B cells)
Vertical 0.693 mm
G Horizontal 0.304 mm
B Horizontal 0.304 mm
brightness perpendicular to PDP module)
60/50 Hz, LVDS
Vertical 0.693 mm
Vertical 0.693 mm
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Technical Specifications, Connections, and Chassis Overview
EN 3SDI PDP 2K7 1.

1.1.2 42" HD W2 Plus

Figure 1-3 Rear view of plasma panel (42” HD W2 Plus)
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1.1.3 50" HD W2

Figure 1-5 Rear view of plasma panel (50” HD W2)
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Figure 1-4 Location of mounting screws (42” HD W2 Plus)
Note:
Blue dot= screw 4x12 (n= 8).
Red dot= screw 3x10 (n= 38).
Screw torque 9.5 ± 0.5 kgf.cm.
No Item Specification 42” HD W2 Plus
1 Pixel 1.024 (H) x 768 (V) pixels
2 Number of Cells 3072 (H) x 768 (V)
3 Pixel Pitch 0.912mm (H) x 0.693mm (V)
4 Cell Pitch R Horizontal 0.304 mm
5 Display size 933.89 (H) x 532.22 (V) mm
6 Screen size Diagonal 42" Colour Plasma Display Module
7 Screen aspect 16:9
8 Display colour 1073.7 million colours (10-bit)
9 Viewing angle Over 160 deg (angle with 50% and greater
10 Dimensions 1000 (W) x 588.3 (H) x 65.3 (D) mm
11 Weight Module 3 About 17.5 kg
12 Vertical frequency
Video/Logic Interface
(1 pixel = 1 R,G,B cells)
Vertical 0.693 mm
G Horizontal 0.304 mm
B Horizontal 0.304 mm
brightness perpendicular to PDP module)
60/50 Hz, LVDS
Vertical 0.693 mm
Vertical 0.693 mm
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Figure 1-6 Location of mounting screws (50” HD W2)
Note:
Blue dot= screw 4x12 (n= 8).
Red dot= screw 3x10 (n= 42).
Screw torque 9.5 ± 0.5 kgf.cm.
No Item Specification 50” HD W2
1 Pixel 1366 (H) x 768 (V) pixels
2 Number of Cells 4,095 (H) x 768 (V) cells
3 Pixel Pitch 0.810 mm (H) x 0.810 mm (V)
4 Cell Pitch R Horizontal 0.270 mm
5 Display size 1105.65 mm (H) x 622.08 mm (H)
6 Screen size Diagonal 50" Colour Plasma Display Module
7 Screen aspect 16:9
8 Display colour 1073.7 million colours (10-bit)
9 Viewing angle Over 160 deg (angle with 50% and greater
10 Dimensions 1175 (W) x 682 (H) x 63.8 (D) mm
11 Weight Module 3 About 24.2 kg
12 Vertical frequency
Video/Logic Interface
(1 pixel = 1 R,G,B cells)
Vertical 0.810 mm
G Horizontal 0.270 mm
B Horizontal 0.270 mm
brightness perpendicular to PDP module)
60/50 Hz, LVDS
Vertical 0.810 mm
Vertical 0.810 mm
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EN 4 SDI PDP 2K71.
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Technical Specifications, Connections, and Chassis Overview

1.1.4 50" HD W2 Plus

Figure 1-7 Rear view of plasma panel (50” HD W2 Plus)
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1.2 Serial Numbers

Figure 1-9 Location of the serial number

6 2 3 7 1 0 4 0 0 0 0 1
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Serial No : 00001~99999
Date : 01~31
Month : 1~C
(Oct -A, Nov-B, Dec-C)
Year : 0 (2000) ~ 9 (2009)
Line No : 1 ~ 9 (0 : Pilot Line)
Type : 02~68 (ex.42HD W2 : 62)
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Figure 1-8 Location of mounting screws (50” HD W2 Plus)
Note:
Red dot= screw 3x10 (n= 43).
Screw torque 9.5 ± 0.5 kgf.cm.
No Item Specification 50” HD W2 Plus
1 Pixel 1.365 (H) x 768 (V) pixels
2 Number of Cells 4095 (H) x 768 (V)
3 Pixel Pitch 0.810mm (H) x 0.810mm (V)
4 Cell Pitch R Horizontal 0.270 mm
5 Display size 1105.65 (H) x 622.08 (V) mm
6 Screen size Diagonal 50" Colour Plasma Display Module
7 Screen aspect 16:9
8 Display colour 549.75 billion colours (13-bit)
9 Viewing angle Over 160 deg (angle with 50% and greater
10 Dimensions 1175 (W) x 682 (H) x 63.8 (D) mm
11 Weight Module 1 About 22.3 kg
12 Vertical frequency
Video/Logic Interface
(1 pixel = 1 R,G,B cells)
Vertical 0.810 mm
G Horizontal 0.270 mm
B Horizontal 0.270 mm
brightness perpendicular to PDP module)
60/50 Hz, LVDS
Vertical 0.810 mm
Vertical 0.810 mm
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Figure 1-10 Explanation of the serial number

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Technical Specifications, Connections, and Chassis Overview

1.3 Chassis Overview

1.3.1 42” HD W2

EN 5SDI PDP 2K7 1.
Figure 1-11 PWB location (42” HD W2)
Table 1-2 PWB overview (42” HD W2)
No. Location Name
1 SMPS SMPS 2 LOGIC-MAIN Board Assy PWB LOGIC Main 3 X-MAIN Driving Board Assy PWB X Main 4 Y-MAIN Driving Board Assy PWB Y Main 5 LOGIC E BUFFER Board Assy PWB Buffer 6 LOGIC F BUFFER Board Assy PWB Buffer 7 Y-BUFFER Board Assy PWB Buffer 8 LOGIC + Y-MAIN FFC Cable-flat 9 LOGIC + X-MAIN FFC Cable-flat 10 LOGIC + LOGIC BUF(E) FFC Cable-flat 11 LOGIC + LOGIC BUF(F) FFC Cable-flat 12 LOGIC BUF(E) + LOG. BUF(F) Lead connector 13 SMPS + LOGIC BUF(E) Lead connector 14 SMPS + LOGIC MAIN Lead connector 15 SMPS + Y-MAIN Lead connector 16 SMPS + X-MAIN Lead connector
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EN 6 SDI PDP 2K71.

1.3.2 42” HD W2 Plus

Technical Specifications, Connections, and Chassis Overview
Figure 1-12 PWB location (42” HD W2 Plus)
Table 1-3 PWB overview (42” HD W2 Plus)
No. Location Name
1 SMPS SMPS 2 LOGIC-MAIN Board Assy PWB LOGIC Main 3 X-MAIN Driving Board Assy PWB X Main 4 Y-MAIN Driving Board Assy PWB Y Main 5 LOGIC E BUFFER Board Assy PWB Buffer 6 LOGIC F BUFFER Board Assy PWB Buffer 7 Y-BUFFER Board Assy PWB Buffer 8 LOGIC + Y-MAIN FFC Cable-flat 9 LOGIC + X-MAIN FFC Cable-flat 10 LOGIC + LOGIC BUF(E) FFC Cable-flat 11 LOGIC + LOGIC BUF(F) FFC Cable-flat 12 LOGIC BUF(E) + LOG. BUF(F) Lead connector 13 X-MAIN + LOGIC BUF(F) Lead connector 14 SMPS + LOGIC MAIN Lead connector 15 SMPS + Y-MAIN Lead connector 16 SMPS + X-MAIN Lead connector
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Technical Specifications, Connections, and Chassis Overview

1.3.3 50” HD W2

EN 7SDI PDP 2K7 1.
Figure 1-13 PWB location (50” HD W2)
Table 1-4 PWB overview (50” HD W2)
No. Location Name
1 SMPS SMPS 2 LOGIC-MAIN Board Assy PWB LOGIC Main 3 X-MAIN Driving Board Assy PWB X Main 4 Y-MAIN Driving Board Assy PWB Y Main 5 LOGIC E BUFFER Board Assy PWB Buffer 6 LOGIC F BUFFER Board Assy PWB Buffer 7 Y-BUFFER (Upper) Board Assy PWB Buffer 8 Y-BUFFER (Lower) Board Assy PWB Buffer 9 LOGIC + Y-MAIN FFC Cable-flat 10 LOGIC + X-MAIN FFC Cable-flat 11 LOGIC + LOGIC BUF (E) FFC Cable-flat 12 LOGIC + LOGIC BUF (F) FFC Cable-flat 13 LOGIC BUF (E) + LOG. BUF (F) Lead connector 14 SMPS + LOGIC BUF (E) Lead connector 15 SMPS + LOGIC MAIN Lead connector 16 SMPS + Y-MAIN Lead connector 17 SMPS + X-MAIN Lead connector
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EN 8 SDI PDP 2K71.

1.3.4 50” HD W2 Plus

Technical Specifications, Connections, and Chassis Overview
Figure 1-14 PWB location (50” HD W2 Plus)
Table 1-5 PWB overview (50” HD W2 Plus)
No. Location Name
1 SMPS SMPS 2 LOGIC-MAIN Board Assy PWB LOGIC Main 3 X-MAIN Driving Board Assy PWB X Main 4 Y-MAIN Driving Board Assy PWB Y Main 5 LOGIC E BUFFER Board Assy PWB Buffer 6 LOGIC F BUFFER Board Assy PWB Buffer 7 Y-BUFFER UP Board Assy PWB Buffer 8 LOGIC + Y-MAIN FFC Cable-flat 9 LOGIC + X-MAIN FFC Cable-flat 10 LOGIC + LOGIC BUF(E) FFC Cable-flat 11 LOGIC + LOGIC BUF(F) FFC Cable-flat 12 LOGIC BUF(E) + LOG. BUF(F) Lead connector 13 SMPS + LOGIC BUF(F) Lead connector 14 SMPS + LOGIC MAIN Lead connector 15 SMPS + Y-MAIN Lead connector 16 SMPS + X-MAIN Lead connector
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Safety Instructions, Warnings, and Notes

2. Safety Instructions, Warnings, and Notes

EN 9SDI PDP 2K7 2.
Index of this chapter:

2.1 Handling Precautions

2.2 Safety Precautions

2.3 Notes

Notes:
Only authorised persons should perform servicing of this module.
When using/handling this unit, pay special attention to the PDP Module: it should not be enforced into any other way then next rules, warnings, and/or cautions.
"Warning" indicates a hazard that may lead to death or injury if the warning is ignored and the product is handled incorrectly.
"Caution" indicates a hazard that can lead to injury or damage to property if the caution is ignored and the product is handled incorrectly.
2.1 Handling Precautions
The PDP module use high voltage that is dangerous to humans. Before operating the PDP, always check for dust to prevent short circuits. Be careful touching the circuit device when power is “on”.
The PDP module is sensitive to dust and humidity. Therefore, assembling and disassembling must be done in no dust place.
The PDP module has a lot of electric devices. The service engineer must wear equipment (for example, earth ring) to prevent electric shock and working clothes to prevent electrostatic.
The PDP module use a fine pitch connector which is only working by exactly connecting with flat cable. The operator must pay attention to a complete connection when connector is reconnected after repairing.
The capacitor’s remaining voltage in the PDP module’s circuit board temporarily remains after power is “off”. Operator must wait for discharging of remaining voltage during at least 1 minute.
2.2 Safety Precautions

2.2.1 Safety Precautions

parts and circuit board. Check the cord of AC power preparing damage.
Product Safety Mark: Some of electric or implement material have special characteristics invisible that was related on safety. In case of the parts are changed with new one, even though the Voltage and Watt is higher than before, the Safety and Protection function will be lost.
The AC power always should be turned “off”, before next repair.
Check assembly condition of screw, parts and wire arrangement after repairing. Check whether the material around the parts get damaged.

2.2.2 ESD Precautions

There are parts, which are easily damaged by electrostatics (for example Integrated Circuits, FETs, etc.) Electrostatic damage rate of product will be reduced by the following technics:
Before handling semiconductor parts/assembly, must remove positive electric by ground connection, or must wear the antistatic wrist-belt and ring (it must be operated after removing dust on it. It comes under precaution of electric shock).
After removing the assembly, lay it with the tracks on a conductive surface to prevent charging.
Do not use chemical stuff containing Freon. It generates positive electric that can damage ESD sensitive devices.
You must use a soldering device for ground-tip when soldering or de-soldering these devices.
You must use anti-static solder removal device. Most removal devices do not have antistatic which can charge a enough positive electric enough for damaging these devices.
Before removing the protective material from the lead of a new device, bring the protective material into contact with the chassis or assembly.
When handing an unpacked device for replacement, do not move around too much. Moving (legs on the carpet, for example) generates enough electrostatic to damage the device.
Do not take a new device from the protective case until the it is ready to be installed. Most devices have a lead, which is easily short-circuited by conductive materials (such as conductive foam and aluminium)
Before replacing a board, discharge forcibly the remaining electricity from the board.
When connecting FFC and TCPs to the module, recheck that they are perfectly connected.
To prevent electrical shock, be careful not to touch leads during circuit operations.
To prevent the Logic circuit from being damaged due to wrong working, do not connect/disconnect signal cables during circuit operations.
Do thoroughly adjustment of a voltage label and voltage­insulation.
Before reinstalling the chassis and the chassis assembly, be sure to use all protective stuff including a nonmetal controlling handle and the covering of partitioning type.
Caution for design change: Do not install any additional devices to the module, and do not change the electrical circuit design.
For example: Do not insert a subsidiary audio or video connector. If you insert It, it cause danger on safety. And, if you change the design or insert, manufacturer guarantee will be not effect.
If any parts of wire is overheats of damaged, replace it with a new specified one immediately, and identify the cause of the problem and remove the possible dangerous factors.
Examine carefully the cable status if it is twisted or damaged or displaced. Do not change the space between
2.3 Notes
A glass plate is positioned before the plasma display. This glass plate can be cleaned with a slightly humid cloth. If due to circumstances there is some dirt between the glass plate and the plasma display panel, it is recommended to do some maintenance by a qualified service employee only.

2.3.1 Safe PDP Handling

The work procedures shown with the “Note” indication are important for ensuring the safety of the product and the servicing work. Be sure to follow these instructions.
Before starting the work, secure a sufficient working space.
At all times, other than when adjusting and checking the product, be sure to turn “off” the main POWER switch and disconnect the power cable from the power source of the display (jig or the display itself) during servicing.
To prevent electric shock and breakage of PWBs, start the servicing work at least 30 seconds after the main power has been turned “off”. Especially when installing and removing the Power Supply PWB and the SUS PWB in which high voltages are applied, start servicing at least 2 minutes after the main power has been turned “off”.
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EN 10 SDI PDP 2K73.
Directions For Use
While the main power is “on”, do not touch any parts or circuits other than the ones specified. The high voltage Power Supply block within the PDP module has a floating ground. If any connection other than the one specified is made between the measuring equipment and the high voltage power supply block, it can result in electric shock or activation of the leakage-detection circuit breaker.
When installing the PDP module in, and removing it from the packing carton, be sure to have at least two persons perform the work while being careful to ensure that the flexible printed-circuit cable of the PDP module does not get caught by the packing carton.
When the surface of the panel comes into contact with the cushioning materials, be sure to confirm that there is no foreign matter on top of the cushioning materials before the surface of the panel comes into contact with the cushioning materials. Failure to observe this precaution may result in, the surface of the panel being scratched by foreign matter.
When handling the circuit PWB, be sure to remove static electricity from your body before handling the circuit PWB.
Be sure to handle the circuit PWB by holding the large parts as the heat sink or transformer. Failure to observe this

3. Directions For Use

Not applicable.
precaution may result in the occurrence of an abnormality in the soldered areas.
Do not stack the circuit PWB. Failure to observe this precaution may result in problems resulting from scratches on the parts, the deformation of parts, and short-circuits due to residual electric charge.
Routing of the wires and fixing them in position must be done in accordance with the original routing and fixing configuration when servicing is completed. All the wires are routed far away from the areas that become hot (such as the heat sink). These wires are fixed in position with the wire clamps so that the wires do not move, thereby ensuring that they are not damaged and their materials do not deteriorate over long periods of time. Therefore, route the cables and fix the cables to the original position and states using the wire clamps.
Perform a safety check when servicing is completed. Verify that the peripherals of the serviced points have not undergone any deterioration during servicing. Also verify that the screws, parts and cables removed for servicing purposes have all been returned to their proper locations in accordance with the original
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4. Mechanical Instructions

Mechanical Instructions
EN 11SDI PDP 2K7 4.
Index of this chapter:

4.1 Dis-assembling / Re-assembling

4.1.1 Flexible Printed Circuit of Y-Buffer (Upper and Lower)

4.1.2 Flat Cable Connector of X-main Board
4.1.3 Assembling & Disassembling FFC and TCP Cables from their Connectors
4.1.4 Exchange of LBE and LBF board - 42” HD W2
4.1.6 Exchange of LBE and LBF board - 50” HD W2
4.1.8 Exchange YB and YM board - 42” HD W2 & 42” HD W2 Plus
4.1.9 Exchange YB and YM board - 50” HD W2 & 50” HD W2 Plus
4.1 Dis-assembling / Re-assembling
4.1.1 Flexible Printed Circuit of Y-Buffer (Upper and Lower)
Dis-assembly: Pull out the FPC from the connector by holding the lead of the FPC with both hands.
Re-assembly: Push the lead of the FPC with equal force on both sides into the connector.
Note: Be careful not to damage the connector pins during connecting.
Figure 4-1 Dis-assembly FPC of Y-buffer
Figure 4-2 Re-assembly FPC of Y-buffer
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EN 12 SDI PDP 2K74.

4.1.2 Flat Cable Connector of X-main Board

Dis-assembly:
1. Pull out the clamp of the connector.
2. Pull the Flat cable out, while pressing it down lightly.
Re-assembly: Insert the Flat Cable into the connector, while pressing it down lightly until you hear a “Click“.
Mechanical Instructions
Figure 4-3 Dis-assembly FCC of X-main board
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Figure 4-4 Re-assembly FCC of X-main board
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Mechanical Instructions
EN 13SDI PDP 2K7 4.
4.1.3 Assembling & Disassembling FFC and TCP Cables from
their Connectors
Dis-assembling of TCP:
1. Open the clamp carefully.
2. Pull the TCP out from its connector.
Re-assembling of TCP:
1. Put the TCP into the connector carefully
Figure 4-5 Dis-assembly of TCP
2. Close the clamp completely, until you hear a “Click”.
Notes:
Carefully check if there is no foreign material on the inside of the connector before inserting the TCP.
Be careful, do not damage the board by ESD during handling of the TCP.
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Figure 4-6 Re-assembly of TCP
Figure 4-7 Mis-assembly of TCP
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Figure 4-8 Dis- and re-assembly of FFC
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EN 14 SDI PDP 2K74.
Mechanical Instructions

4.1.4 Exchange of LBE and LBF board - 42” HD W2

1. Remove the screws in order of 2-3-1-4 from the heatsink and remove the heatsink (“Photos 1 & 3”).
2. Remove the TPC, FFC, and power cable from the connectors.
3. Remove all the screws from the defective board.
4. Remove the defective board.
5. Place the new board and then screw tightly.
Figure 4-9 Photo 1 - Heatsink 42” HD W2
6. Clean the connectors.
7. Re-connect the TCP, FFC, and power cable to the connectors.
8. Re-assemble the TCP heat sink. Use the screw mounting order 2-3-1-4.
Caution: If you screw too tight, it is possible to damage the Driver IC of the TCP.
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Figure 4-10 Photo 2 - Exchange of LBE, LBF board 42” HD W2
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Figure 4-11 Photo 3 - Heat sink removal
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Mechanical Instructions
EN 15SDI PDP 2K7 4.

4.1.5 Exchange of LBE and LBF board - 42” HD W2 Plus

1. Remove the screws in order of 2-3-1-4 from the heatsink and remove the heatsink (“Photos 1 & 3”).
2. Remove the TPC, FFC, and power cable from the connectors.
3. Remove all the screws from the defective board.
4. Remove the defective board.
5. Place the new board and then screw tightly.
Figure 4-12 Photo 1 - Heatsink 42” HD W2 Plus
6. Clean the connectors.
7. Re-connect the TCP, FFC, and power cable to the connectors.
8. Re-assemble the TCP heat sink. Use the screw mounting order 2-3-1-4.
Caution: If you screw too tight, it is possible to damage the Driver IC of the TCP.
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Figure 4-13 Photo 2 - Exchange of LBE, LBF board 42” HD W2 Plus
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Figure 4-14 Photo 3 - Heat sink removal
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EN 16 SDI PDP 2K74.
Mechanical Instructions

4.1.6 Exchange of LBE and LBF board - 50” HD W2

1. Remove the screws in order of 2-3-1-4 from the heatsink and remove the heatsink (“Photo 1” and “Photo 3”).
2. Remove the TPC, FFC, and power cable from the connectors.
3. Remove all the screws from the defective board.
4. Remove the defective board.
5. Replace the new board and then screw tightly.
1
Figure 4-15 Photo 1 - Heatsink 50” HD W2
6. Clean the connectors.
7. Re-connect the TCP, FFC, and power cable to the connectors.
8. Re-assemble the TCP heat sink. Use the same screw mounting order as described above.
Caution: If you screw too tight, it is possible to damage the Driver IC of the TCP.
2
3
4
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Figure 4-16 Photo 2 - Exchange of LBE and LBF board 50” HD W2
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Figure 4-17 Photo 3 - Heat sink removal
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Mechanical Instructions
EN 17SDI PDP 2K7 4.

4.1.7 Exchange of LBE and LBF board - 50” HD W2 Plus

1. Remove the screws in order of 2-3-1-4 from the heatsink and remove the heatsink (“Photos 1 & 3”).
2. Remove the TPC, FFC, and power cable from the connectors.
3. Remove all the screws from the defective board.
4. Remove the defective board.
5. Place the new board and then screw tightly.
Figure 4-18 Photo 1 - Heatsink 50” HD W2 Plus
6. Clean the connectors.
7. Re-connect the TCP, FFC, and power cable to the connectors.
8. Re-assemble the TCP heat sink. Use the screw mounting order 2-3-1-4.
Caution: If you screw too tight, it is possible to damage the Driver IC of the TCP.
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Figure 4-19 Photo 2 - Exchange of LBE, LBF board 50” HD W2 Plus
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Figure 4-20 Photo 3 - Heat sink removal
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EN 18 SDI PDP 2K74.
Mechanical Instructions

4.1.8 Exchange YB and YM board - 42” HD W2 & 42” HD W2 Plus

1. Unplug all of the FPC connectors of Y-B. See “Photo 1”.
2. Loosen all the screws of Y-Buffer and Y-Main.
3. Remove the board from the chassis.
4. Unplug connectors CN5001, CN5002, CN5006 and CN5003 between Y-Buffer and Y-Main. See “Photo 2”.
5. Remove Y-Buffer from the Y-main.
6. Replace the defective board.
7. Re-assemble Y-Buffer to the Y-Main.
8. Plug in connectors CN5001, CN5002, CN5006 and CN5003 between Y-Buffer and Y-Main.
9. Arrange the boards on the chassis and tighten them.
10. Connect the FPC connectors.
11. Supply the electric power to the module and then check the waveform of the board.
12. Turn “off” the power after the waveform is adjusted.
Figure 4-21 Photo 1 and 2: Dis-assembly of YB and YM board - 42” HD W2 & 42” HD W2 Plus
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Mechanical Instructions
EN 19SDI PDP 2K7 4.

4.1.9 Exchange YB and YM board - 50” HD W2 & 50” HD W2 Plus

1. Unplug all of the FPC connectors of YB. See “Photo 1”.
2. Unplug connectors CN5600 and CN5601 between YB and YM (“Photo 2”).
3. Loosen all the screws of YB, and Y-Main.
4. Remove the board from the chassis.
5. Remove the YB from the Y-main.
6. Replace the defective board.
7. Re-assemble the YB to the Y-Main.
8. Plug in connectors CN5600 and CN5601 between YB and YM.
9. Arrange the board on the chassis and then screw to fix.
10. Connect the FPCs.
11. Supply the electric power to the module and then check the waveform of the board.
12. Turn “off” the power after the waveform is adjusted.
( Photo 1 ) ( Photo 2 )
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Figure 4-22 Photo 1 and 2: Dis-assembly of YB and YM board - 50” HD W2 & 50” HD W2 Plus
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EN 20 SDI PDP 2K75.
Service Modes, Error Codes, and Fault Finding

5. Service Modes, Error Codes, and Fault Finding

Index of this chapter:

5.1 Repair Tools

5.1.1 ComPair

5.1.2 Other Service Tools

5.2 Fault Finding
5.2.1 Fault finding tree
5.2.2 Faulty Power Supply
5.2.3 No Display
5.2.4 Abnormal display
5.2.5 Horizontal line or block open (some horizontal lines do not exist)
5.2.6 Address open (some vertical lines do not exist)
5.2.7 Address short (some vertical lines appear to be linked on the screen)
5.2.8 Criteria for Panel Replacement, due to Defective Panel Cells
5.2.9 Defect Overview
5.3 Defect Description Form
5.1 Repair Tools
5.1.1 ComPair
For the w2 and w2 Plus models, it will be possible to generate test patterns with ComPair. The ComPair interface must be connected to the Logic Board with the special interconnection cable (see table below for the order code).
5.1.2 Other Service Tools
Table 5-1 Overview Service tools
Service Tools
ComPair / SDI interconnection cable 3122 785 90800 Foam buffers (2 pcs.) 3122 785 90581
Figure 5-1 Foam buffers
Order Code
G_16380_029.eps
160606
Page 21

5.2 Fault Finding

5.2.1 Fault finding tree

Service Modes, Error Codes, and Fault Finding
First check complete TV set. Fault Symptom?
EN 21SDI PDP 2K7 5.
No
Repair Philips application.
See chassis related Service Manuals
Figure 5-2 Fault symptom overview (complete TV set) [1/2]
Power Supply is working ?
Check if LVDS from
First check complete TV set.
SSB board is OK. Use LVDS Tool when possible.
Output of SSB
is OK?
SDI repair Scenario. Fault finding: Display fault.
Fault Symptom?
No
Power supply is not working. No voltage output.
Go to
“Power Supply Check
& repair scenario
with Philips application
or PDP as stand alone check.
H_16870_067.eps
040407
No Voltage output
Operating Voltages don´t exist
Go to
Powe r Supply Check
flowchart
(version dependent)
Figure 5-3 Fault symptom overview (complete TV set) [2/2]
Operating Voltages exist,
but No Display
Go to
No Display
flowchart
Is related to Logic adress Buffer.
Go to
Address Open / Short
flowchart
Abnormal Display, not
open or short Lines
Go to the
Abnormal Display
flowchart
Vertical
Some horizontal or Vertical
Lines don´t exist on the
Display.
Sustain open
Horizontal or
Vertical Lines?
Is related to X-Main, Y-Main
and Y-buffer.
Go to
“Sustain Open / Short
flowchart
Horizontal
G_16380_056.eps
160606
Page 22
EN 22 SDI PDP 2K75.
g

5.2.2 Faulty Power Supply

Service Modes, Error Codes, and Fault Finding
Check CN8001/2pin
Connect [ 230Vac]
Check
LED 8001 Green
ON/OFF Relay
(RLY 8001, 8002
Acts?
SMPS
YES
NO
AC Input
YES
SMPS
YES
LED (Green)
8001 off
NO
NO
Reconnect it
SMPS Voltage check
D5V; 5V Check
Vs ; 205V Check
Va : 63V Check
Vcc: 15V Check
D3V3; 3.3V Check
5Vstandby; 5.2V Check
Fuse
8001/8002/8003/8005
Replace SMPS
Replace
SMPS
Check Protection,
LED 8001(Green)
is not blinking?
Check output voltage
Vs, Va
SMPS
YES
NO
NO
Replace SMPS
The number
of blinkin
2
Turn off Relay SW
Open these connectors
One by One
- CN8007, X-Main check
- CN8006, Y-Main check
Check output voltage
Vs, Va
Turn off Relay SW
1
Open these connectors
One by One
- CN8005 Buffer check
NO
Replace SMPS
YES
Go to “No Display”
H_16870_007.eps
240807
Figure 5-4 Power Supply Check for 42” HD W2 & 42” HD W2 Plus models
Page 23
Service Modes, Error Codes, and Fault Finding
g
p
EN 23SDI PDP 2K7 5.
Check CN8001/2pin
Connect [ 230Vac]
Check
LED 8001Green
On/OFF Relay
(RLY 8001, 8002
Acts?
Check Protection,
LED 8001(Green) is
not blinkin
?
SMPS
YES
SMPS
YES
Check output voltage
Vs, Va
NO
NO
AC Input
YES
SMPS
LED (Green)
8001 off
NO
Replace SMPS
NO
NO
Replace
SMPS
The number of
blinking
2
Turn off Relay SW
Open these connectors
One by One
- CN8007, X-Main check
- CN8006, Y-Main check
Reconnect it
SMPS Voltage check
D5V; 5V Check
Vs ; 207V Check
Va : 63V Check
Vcc: 15V Check
D3V3; 3.3V Check
5Vstandby; 5.2V Check
Fuse
8001/8002/8003/8005
Replace SMPS
Turn off Relay SW
Open these connectors
1
One by One
- CN8005 Buffer check
Check output voltage
NO
Vs, Va
Re
lace SMPS
YES
Go to 4-1-2 No Display
H_16870_041.eps
240807
Figure 5-5 Power Supply Check for 50” HD W2 models
Page 24
EN 24 SDI PDP 2K75.
Service Modes, Error Codes, and Fault Finding
Figure 5-6 Power Supply Check for 50” HD W2 Plus models
H_16872_006.eps
191007
Page 25
Service Modes, Error Codes, and Fault Finding
Q

5.2.3 No Display

“No Display” is related to Y-Main, X-Main, Logic Main and so on. This page shows you how to check the boards, and the following pages show you how to find the defective board.
EN 25SDI PDP 2K7 5.
No Display
Logic Main
[42: LED 2000 Blinks] [50: LED 2002 Blinks]
Check
LVD S Cable
LED 2000;Green
Fuse F2001
CN2000 Cable
Check
F5004 for Vdd (5V)
F5003 for Vcc (15V)
F5001 for Vs (205V)
F5005 for Vset
F5006 for Vccf
Y – Main
X – Main Y – Buffer
Figure 5-7 Fault symptom: “No Display”, general guide line
Logic-main
YES
Y- main
YES
Fuse
Short
NO
NO
OPEN
Replace Logic Bd
Replace Logic Bd
Replace Y-B’d
Broken
panel
H_16870_008.eps
020407
Check
Q5001 ~ Q5010
Check
F4004 for Vdd (5V)
F4001 for Vcc (15V)
F4002 for Vs (205V)
Check
4001 ~ Q4007
Measure
Resistance
OUTH & OUTL
Short?
FET,IGBT
Open
X-main
YES
Fuse
SHORT
FET, IGBT
OPEN
Y-BUFFER
OPEN
Panel
SHORT
OPEN
SHORT
SHORT
Replace Y-B’d
Replace X-Bd
Replace X-Bd
Replace Y-BUFFER
Replace PDP
H_16870_014.eps
040407
Figure 5-8 Fault finding tree: “No Display”, 42” HD W2 [1/5]
Page 26
EN 26 SDI PDP 2K75.
Service Modes, Error Codes, and Fault Finding
Vs fuse (F5001) – OK (0.x ~ x.x ohm) Vs fuse (F5001) – OPEN (x.x Mohm)
15V fuse (F5003) – OK (0.x ~ x.x ohm) 15V fuse (F5003) – OPEN (x.x Mohm)
5V fuse (F5004) – OK (0.x ~ x.x ohm) 5V fuse (F5004) – OPEN (x.x Mohm)
Vset fuse (F5005) – OK (0.x ~ x.x ohm) Vset fuse (F5005) – OPEN (x.x Mohm)
Vccf (F5006) – OK (0.x ~ x.x ohm) Vccf (F5006) – OPEN (x.x Mohm)
Figure 5-9 Y-Main check points 42” HD W2 [2/5]
H_16870_010.eps
040407
Page 27
Service Modes, Error Codes, and Fault Finding
FET,IGBT (contain the inner diode)
[Ys, Yg, Yscan, Yfr, Yrr, Xs, Xg, Xb]
EN 27SDI PDP 2K7 5.
OK Short
OK (0.3 ~ 0.9 V) / Short (0.000 ~ 0.00x V)
IGBT (do not contain the inner diode)
(Yr, Yf, Xr, Xf)
Ys(Q5007), Yg(Q5001), Yscan(Q5008,9), Yfr(Q5006), Yrr(Q5004),
Xs(Q4001), Xg(Q4002), Xb(Q4003,4)
Yr(Q5003), Yf(Q5002), Xr(Q4006), Xf(Q4005)
Figure 5-10 FET, IGBT check points 42” HD W2 [3/5]
OK
Short
OK (xx.x kohm) / Short (x.x ohm)
H_16870_012.eps
040407
Page 28
EN 28 SDI PDP 2K75.
Service Modes, Error Codes, and Fault Finding
X-Main Check Point
Vs fuse (F4002) – OK (0.x ~ x.x ohm) Vs fuse (F4002) – OPEN (x.x Mohm)
15V fuse (F4001) – OK (0.x ~ x.x ohm) 15V fuse (F4001) – OPEN (x.x Mohm)
5V fuse (F4004) – OK (0.x ~ x.x ohm) 5V fuse (F4004) – OPEN (x.x Mohm)
Figure 5-11 X-Main check points 42” HD W2 [4/5]
Y- B uffer Check Point
H_16870_015.eps
050407
OUTL OUTH – OK (x.x Mohm) OUTL OUTH –Short (x.x ohm)
Figure 5-12 Y-Buffer check points 42” HD W2 [5/5]
H_16870_017.eps
020407
Page 29
Service Modes, Error Codes, and Fault Finding
Q
No Display
EN 29SDI PDP 2K7 5.
Logic Main
[LED 2000 Blinks]
Check
LVDS Cable LED 2000;Green Fuse F2001 CN2000 Cable
Check
F5003 for V F5001 for Vs (205V) F5006 for Vccf R5116 for Vs
Check
Q5001, Q5002, Q5003, Q5004, Q5005, Q5006, Q5007, Q5010G
Y – Main
cc (15V)
X – Main
Y – Buffer
Logic-main
YES
Y-main
YES
Fuse
Short
FET, IGBT
Open
X-main
YES
NO
OPEN
SHORT
Logic
Buffer
Replace Logic B’d
Replace Y-B’d
Replace Y-B’d
Broken
panel
Check
F4001 for V F4002 for Vs (205V)
Check
4001 ~ Q4007G
Measure
Resistance OUTH&OUTL Short?
Check
F2602 for V
CC (15V)
A (63V)G
Fuse
SHORT
FET, IGBT
OPEN
Y-BUFFER
OPEN
Logic Buffer
YES
Fuse
SHORT
OPEN
SHORT
SHORT
OPEN
Replace X-B’d
Replace X-B’d
Replace Y-BUFFER
Replace Logic Buffer
Panel
Replace PDP
H_16871_004.eps
240807
Figure 5-13 Fault finding tree: “No Display”, 42” HD W2 Plus [1/5]
Page 30
EN 30 SDI PDP 2K75.
vyG
vyG
vyG
vyG
TGjGwG
Vs fuse (F5001) – OK (0.x ~ x.x ohm) Vs fuse (F5001) – OPEN (x.x Mohm)
Service Modes, Error Codes, and Fault Finding
GGGv
15V fuse (F5003) – OK (0.x ~ x.x ohm) 15V fuse (F5003) – OPEN (x.x Mohm)
Vccf fuse (F5006) – OK (0.x ~ x.x ohm) Vcc fuse (F5006) – OPEN (x.x Mohm)
R-fusible (R5 116) – OK (1.xohm) R-fusible (R5116) – OPEN (x.x Mohm)
Figure 5-14 Y-Main check points 42” HD W2 Plus [2/5]
H_16871_005.eps
240807
Page 31
Service Modes, Error Codes, and Fault Finding
pni{SGml{GjGwG
G
OK ShortG
EN 31SDI PDP 2K7 5.
G
FET,IGBT (contain the inner diode)
[Ys, Yg, Yfr, Yrr, Xs, Xg, Xb]
IGBT (do not contain the inner diode)
(Yr, Yf, Xr, Xf)
Ys(Q5007), Yg(Q5001), Yfr(Q5006), Yrr(Q5004), Xs(Q4001), Xg(Q4002), Xb(Q4003,4)
Yr(Q5003), Yf(Q5002), Xr(Q4006), Xf(Q4005)
OK (0.3 ~ 0.9 V) / Short (0.000 ~ 0.00x V)
G
OK Short
OK (xx.x kohm) / Short (x.x ohm)
Figure 5-15 FET, IGBT check points 42” HD W2 Plus [3/5]
H_16871_006.eps
240807
Page 32
EN 32 SDI PDP 2K75.
vyG
vyG
TGjGwG
TGjGwG
Vs fuse (F4002) – OK (0.x ~ x. x ohm) Vs fuse (F4002) – OPEN (x.x Mohm)
Service Modes, Error Codes, and Fault Finding
v
15V fuse (F4001) – OK (0.x ~ x.x ohm) 15V fuse (F4001) – OPEN (x.x Mohm)
Figure 5-16 X-Main check points 42” HD W2 Plus [4/5]
OUTL˩OUTH – OK (x.x Mohm) OUTL˩OUTH –Short (x.x ohm)
H_16871_007.eps
240807
H_16871_008.eps
240807
Figure 5-17 Y-Buffer check points 42” HD W2 Plus [5/5]
Page 33
Check
Q
LVDS Cable
LED 2002;Green
Fuse F2000
CN2000 Cable
Service Modes, Error Codes, and Fault Finding
Logic-main
YES
EN 33SDI PDP 2K7 5.
NO
Replace Logic B’d
Check
F5701 for Vdd (5V)
F5700 for Vcc (15V)
F5703 for Vs(207V)
F5704 for Vddf
F5200 for Vset
Check
Q5000 ~ Q5800
Y- ma in
YES
Fuse
Short
FET,IGBT
Open
X-main
YES
NO
Replace Logic B’d
OPEN
Replace Y-B’d
SHORT
Replace Y-B’d
Check
F4703 for Vdd (5V)
F4702 for Vcc (15V)
F4701 for Vs (207V)
Check
4001 ~ Q4902
Measure
Resistance
OUTH&OUTL
Short?
Fuse
SHORT
FET,IGBT
OPEN
Y- BU FF ER
OPEN
Panel
OPEN
SHORT
SHORT
Replace X-B’d
Replace X-B’d
Replace Y-BUFFER
Replace PDP
H_16870_043.eps
050407
Figure 5-18 Fault finding tree: “No Display”, 50” HD W2 [1/5]
Page 34
EN 34 SDI PDP 2K75.
Service Modes, Error Codes, and Fault Finding
Vs fuse (F5703) – OK (0.x ~ x.x ohm) Vs fuse (F5703) – OPEN (x.x Mohm)
15V fuse (F5700) – OK (0.x ~ x.x ohm) 15V fuse (F5004) – OPEN (x.x Mohm)
5V fuse (F5701) – OK (0.x ~ x.x ohm) 5V fuse (F5001) – OPEN (x.x Mohm)
Vset fuse (F5200) – OK (0.x ~ x.x ohm) Vset fuse (F5200) – OPEN (x.x Mohm)
Vddf (F5704) – OK (0.x ~ x.x ohm) Vddf (F5704) – OPEN (x.x Mohm)
Figure 5-19 Y-Main check points 50” HD W2 [2/5]
H_16870_044.eps
030407
Page 35
Service Modes, Error Codes, and Fault Finding
FET,IGBT (contain the inner diode)
[Ys, Yg, Ypn, Yscan, Yfr, Yrr, Xs, Xg, Xb]
EN 35SDI PDP 2K7 5.
OK Short
OK (0.3 ~ 0.9 V) / Short (0.000 ~ 0.00x V)
OK
IGBT (do not contain the inner diode)
OK (xx.x kohm) / Short (x.x ohm)
(Yr, Yf, Xr, Xf)
Ys(Q5100,01), Yg(Q5102,03), Ypn(Q5302,03,04,06), Yscan(Q5400,01), Yfr(Q5500), Yrr(Q5200),
Xs(Q4101,02), Xg(Q4103,04), Xb(Q4901,02)
Yr(Q5000,02), Yf(Q5001,03), Xr(Q4001), Xf(Q4002,03)
Figure 5-20 FET, IGBT check points 50” HD W2 [3/5]
Short
H_16870_045.eps
050407
Page 36
EN 36 SDI PDP 2K75.
Service Modes, Error Codes, and Fault Finding
Vs fuse (F4701) – OK (0.x ~ x.x ohm) Vs fuse (F4701) – OPEN (x.x Mohm)
15V fuse (F4702) – OK (0.x ~ x.x ohm) 15V fuse (F4702) – OPEN (x.x Mohm)
5V fuse (F4703) – OK (0.x ~ x.x ohm) 5V fuse (F4703) – OPEN (x.x Mohm)
5V fuse (F4800) – OK (0.x ~ x.x ohm) 5V fuse (F4800) – OPEN (x.x Mohm)
H_16870_048.eps
030407
Figure 5-21 X-Main check points 50” HD W2 [4/5]
Page 37
Service Modes, Error Codes, and Fault Finding
EN 37SDI PDP 2K7 5.
OUTL OUTH – OK (x.x Mohm) OUTL OUTH –Short (x.x ohm)
Figure 5-22 Y-Buffer check points 50” HD W2 [5/5]
H_16870_049.eps
030407
Page 38
EN 38 SDI PDP 2K75.
Service Modes, Error Codes, and Fault Finding
Figure 5-23 Fault finding tree: “No Display”, 50” HD W2 Plus [1/5]
H_16872_007.eps
191007
Page 39
Service Modes, Error Codes, and Fault Finding
EN 39SDI PDP 2K7 5.
Figure 5-24 Y-Main check points 50” HD W2 Plus [2/5]
H_16872_008.eps
191007
Figure 5-25 FET, IGBT check points 50” HD W2 Plus [3/5]
H_16872_009.eps
191007
Page 40
EN 40 SDI PDP 2K75.
Service Modes, Error Codes, and Fault Finding
Figure 5-26 X-Main check points 50” HD W2 Plus [4/5]
H_16872_010.eps
191007
Figure 5-27 Y-Buffer check points 50” HD W2 Plus [5/5]
H_16872_011.eps
191007
Page 41
Service Modes, Error Codes, and Fault Finding
play

5.2.4 Abnormal display

“Abnormal Display” is related to Y-Main, X-Main, Logic Main and so on. This page shows you how to check the boards, and the following pages show you how to find the defective board.
EN 41SDI PDP 2K7 5.
Abnormal
Dis
Logic Main Y – Main
[42: LED 2000 Blinks] [50: LED 2002 Blinks]
Check necessary points
Figure 5-28 Fault symptom: “Abnormal Display”, general guide line
Y- main
Check
F5004 for Vdd (5V)
F5003 for Vcc (15V)
F5001 for Vs (205V)
F5005 for Vset
F5006 for Vccf
Check
Q5000 ~ Q5010
F4004 for Vdd (5V)
F4001 for Vcc (15V)
F4002 for Vs (205V)
F4005 for Ve (110V)
FET,IGBT
X-main
Fuse
Fuse
SHORT
OPEN
SHORT
OPEN
SHORT
OPEN
X – Main
Check necessary points
Replace Y-B’d
Replace Y-B’d
Replace X-Bd
H_16870_018.eps
050407
Check
Q4001 ~ Q4007
FET,IGBT
OPEN
Y-BUFFER
OPEN
[Logic Main]
LED 2000 blinks
(Motion of Vsync)
Regular
Abnormal
Replace
board
SHORT
SHORT
Logic main Normal State
Replace X-Bd
Replace Y-BUFFER
Figure 5-29 Fault symptom: “Abnormal Display” 42” HD W2
H_16870_019.eps
030407
Page 42
EN 42 SDI PDP 2K75.
(
)
(
)
Service Modes, Error Codes, and Fault Finding
Y-main
Check
R5003 for Ys(Q5007) R5002 for Yset
Q5004
jG
E
99V
R4014 for V
G
R-fusible
SHORT
X-main
R-fusible
SHORT
[Logic Main]
LED 2000 blinks
(Motion of Vsync)
Regular
Abnormal
OPEN
OPEN
Regular
Replace Y-B’d
Replace X-B ’d
Logic main Normal State
Abnormal
Figure 5-30 Fault symptom: “Abnormal Display” 42” HD W2 Plus
H_16871_009.eps
240807
Page 43
Service Modes, Error Codes, and Fault Finding
Check
F5701 for Vdd (5V)
F5700 for Vcc (15V)
F5703 for Vs(207V)
F5704 for Vddf
F5200 for Vset
Y- main
Fuse
SHORT
EN 43SDI PDP 2K7 5.
OPEN
Replace Y-B’d
Check
Q5000 ~ Q5800
F4703 for Vdd (5V)
F4702 for Vcc (15V)
F4701 for Vs (207V)
F4800 for Ve (94V)
Check
Q4002,3
Q4011 ~ Q4016
FET,IGBT
OPEN
X-main
Fuse
SHORT
FET,IGBT
OPEN
Y-BUFFER
OPEN
SHORT
OPEN
SHORT
SHORT
Replace Y-B’d
Replace X-Bd
Replace X-Bd
Replace Y-BUFFER
[Logic Main]
LED 2002 Blinks
(Motion of Vsync)
Regular
Abnormal
Replace
board
Figure 5-31 Fault symptom: “Abnormal Display” 50” HD W2
Logic main
Normal State
H_16870_052.eps
050407
Page 44
EN 44 SDI PDP 2K75.
Service Modes, Error Codes, and Fault Finding
Figure 5-32 Fault symptom: “Abnormal Display” 50” HD W2 Plus
Page 45
Service Modes, Error Codes, and Fault Finding
P o o o o r r

5.2.5 Horizontal line or block open (some horizontal lines do not exist)

EN 45SDI PDP 2K7 5.
Y- F P C
Che c k
Con n e c tion Y - buf fer
& Y - FPC
Che c k
Y - buf fer con n e ctor pi n
bro k en o r be nt?
Che c k
Y - FPC pi n
bro k en o r be nt?
Y - buf fer
c o nn ec to r
Y - buf fer
G G o o o o d d
Y - buf fer
c o nn ec to
G G o o o o d d
Y- F P C
P
R e c o nn ec tio n
B B r r o o k k e e n n
o o r r b b e e n n t t
Repl ace Y - b u f f er B’d
r
B B r r o o k k e e n n
o o r r b b e e n n t t
Repl ace PDP
G_16380_153.eps
030407
Figure 5-33 Fault symptom: “Horizontal line or block open”
Page 46
EN 46 SDI PDP 2K75.
j
nG
nG
wG

5.2.6 Address open (some vertical lines do not exist)

“Address open” is related to Logic Main, Logic Buffer, FFC, TCP and so on. This page shows you how to check the boards, and the following pages show you how to find the defective board.
Service Modes, Error Codes, and Fault Finding
Address Open
Line Open
Data Block Open
TCP Block Open
[ Logic Main/FFC ]
Changing some parts
What is the vertical status of open?
1 Line or
1 Block
Figure 5-34 Fault symptom: “Address open” [1/2]
(The open part is black)
NO
YES
Half Block or
Half of screen
[ Logic Buffer ]
Changing necessary
Parts (E/F)
G_16380_140.eps
YES
030407
Check
TCP Connection & Foreign Materials
{jwG G
j
Replace
PDP
Figure 5-35 Fault symptom: “Address open” [2/2]
mmjG G
G
Reconnection
NO
NO
YES
Done
Replace
1) FFC
2) Logic Main or Logic Buffer
Check
FFC Connection & Foreign Materials
YES
Done
H_16871_010.eps
240807
Page 47
Service Modes, Error Codes, and Fault Finding
j
nG
nG

5.2.7 Address short (some vertical lines appear to be linked on the screen)

Address Short
Line Short
Data Block Short
EN 47SDI PDP 2K7 5.
[ Logic Main/FFC ]
Changing some parts
What is the vertical status of shorted?
1 Line or
1 Block
Figure 5-36 Fault symptom: “Address short” [1/2]
(The shorted part is colored)
NO
YES
Half Block or
Half of screen
[ Logic Buffer ]
Changing necessary
Parts (E/F)
G_16380_144.eps
030407
YES
Check
TCP Connection & Foreign Materials
{jwG G
j
Replace
PDP
G
Reconnection
NO
NO
Figure 5-37 Fault symptom: “Address short” [2/2]
YES
Replace
1) FFC
2) Logic Main or Logic Buffer
Done
mmjG G
Check
FFC Connection & Foreign Materials
YES
Done
H_16871_011.eps
111007
Page 48
EN 48 SDI PDP 2K75.
ڵ ۊ ۉ ۀ ڜ
ڵ ۊ ۉ ۀ ڝ
ڲ
ڣ
ڲ ڊڏ ڲ ڊڍ
ڲ ڊڏ
ڣ ڊڏ
ڣ ڊڍ
ڣ ڊڏ

5.2.8 Criteria for Panel Replacement, due to Defective Panel Cells

Service Modes, Error Codes, and Fault Finding
H_16871_012.eps
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Figure 5-38 Panel zones
Item
Non-lighting
cell defect
Non-
extinguishing
cell defect
Flickering cell
defect
High Intensity
Cell defect
Adjacent
cell defect
Total
cell defects
Zone A: 4 and less
Zone B: 8 and less
Zone A: 0
Zone B: 1 and less
Zone A: 0
Zone B: 1 and less
Zone A: 0
Zone B: 1 and less
(Only Red & Blue)
Zone A: 0
Zone B: 1 and less
(Only Red & Blue)
12 and less
Number of cell defects Distance between cell defects
Figure 5-39 Criteria for panel replacement
Specification
Regardless of A and B zone,
1 Cell Defect in an area of 50mm*50mm
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Service Modes, Error Codes, and Fault Finding

5.2.9 Defect Overview

Table 5-2 Defects, symptoms and defective parts
Condition Name Description Related Board
No output voltage Operating voltages don't exist. SMPS No display Operating voltages exist, but no image on screen Y-MAIN, X-MAIN, Logic Main, Cables Abnormal display Abnormal Image (not open or short) is on screen. Y-MAIN, X-MAIN, Logic Main Sustain open Some horizontal lines are missing on screen Scan Buffer, FPC of X / Y Sustain short Some horizontal lines appear to be linked on screen Scan Buffer, FPC of X / Y Address open Some vertical lines are missing on screen Logic Main, Logic Buffer, FFC,TCP Address short Some vertical lines appear to be linked on screen Logic Main, Logic Buffer, FFC,TCP Defective panel cells Some cells seem to be defective Check criteria for replacement of the panel
Defect: Address(vertical stripe) Open Defect: Address(vertical stripe) Short
EN 49SDI PDP 2K7 5.
Symptom : A line or block does not light up in address
electrode direction.(1 line ,block open)
Cause
manufacturing : Panel electrode single line/
foreign material./electrostatic/
TCP defect
Parts : TCP, Board connection defect
Operation : Assembly error / Film damage
Figure 5-40 Defect overview [1/11]
Defect: Address output error Defect: Sustain(horizontal stripe) Open
Symptom: Another color simultaneously appears because
adjacent data recognizes the single pattern signal
Cause
manufacturing : Panel electrode short / Foreign material
conductive foreign object inside TCP
Part : TCP/buffer defect lighting electrode cutting defect
H_16870_021.eps
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Symptom.: A defect other than address open
and short Data printout signal error
occurring at certain Gradation or pattern
Figure 5-41 Defect overview [2/11]
Symptom : One or more line do not light up in Sustain direction
Cause : manufacturing : .Panel bus electrode single line
FPC pressure defect
Parts : FPC/board/connection disconnection
operation : assembly error.
H_16870_022.eps
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Page 50
EN 50 SDI PDP 2K75.
Service Modes, Error Codes, and Fault Finding
Defect: Sustain(horizontal stripe) Short Defect: Dielectric material layer damage
Symptom : Combined or adjacent lines are short in
sustain direction. The line appear brighter
than other at Ramp gradation pattern or low
gradation patter
Cause
manufacturing : Panel electrode short/Foreign
material.
Parts : Board/ connector/pin error
Operation : connector / assembling error
Symptom: Burn caused by the damage of address bus dielectric
layer appears in the panel discharge/non discharge
area. sustain also open/short occurs by the damage
of address sustain printout
<Add Block and Line Open>
<Add and Sustain Open>
Cause : layer uneven / abnormal voltage / foreign material
repair failed
H_16870_023.eps
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Figure 5-42 Defect overview [3/11]
Defect: F/White low discharge Defect: Weak discharge
Symptom : Low discharge caused by unstable cells
occurring at full white pattern if high
(60 degree) or normal temperature.
Symptom : Normal discharge but cells appear darker due to
weak light emission occurring mainly at low
(5 degree) Full white/Red/Green/Blue pattern
or gradation pattern
Cause
Panel : MgO source / dielectric thickness
cell pitch/phosphor
Circuit : drive waveform/ voltage condition
Cause
Panel : MgO deposition count and thinckness /
aging condition
Circuit : drive waveform/ voltage condition
Figure 5-43 Defect overview [4/11]
H_16870_024.eps
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Page 51
Service Modes, Error Codes, and Fault Finding
Defect: Yset fuse F5200 damage (42” only) Defect: : Ve fuse F4005 damage (42” only)
EN 51SDI PDP 2K7 5.
Symptom : The abnormal image appears in some
cause depending on the damaged F5005.
Y out in oscilloscope
<The abnormal Y out> <The normal Y out>
Check or replace the Yset fuse F5005
Symptom : The abnormal image appears in some
cause depending on the damaged F4005.
overcharge
X out in oscilloscope
70V ~ 90V 110V
<The abnormal X out> <The normal X out>
Check or replace the Ve fuse F4005
overcharge
H_16870_025.eps
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Figure 5-44 Defect overview 42” HD W2 [5/11]
ඞඞ Defect: R5002(R-fusible for Yset) damage
Symptom: The abnormal image appears in some
cause depending on the damaged F5005.
G
Y out in oscilloscope
G
<The abnormal Y out> <The normal Y out>
Check R5002(R-fusible) for Yset
Defect: R4014(R-fusible for VE) R4014 damage
Symptom: The abnormal image appears in some
cause depending on the damaged F4005.
G
X out in oscilloscope
~
GG
<The abnormal X out> <The normal X out>
Check R4014(R-fusible) for V
E
G
Figure 5-45 Defect overview 42” HD W2 Plus [6/11]
H_16871_013.eps
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Page 52
EN 52 SDI PDP 2K75.
Service Modes, Error Codes, and Fault Finding
Defect: Yset fuse F5200 damage (50” only) Defect: : Ve fuse F4800 damage (50” only)
Symptom : The abnormal image appears in some
cause depending on the damaged F5200.
Y out in oscilloscope
<The abnormal Y out> <The normal Y out>
Check or replace the Yset fuse F5200
Symptom : The abnormal image appears in some
cause depending on the damaged F4800.
overcharge
X out in oscilloscope
70V ~ 90V 94V
<The abnormal X out> <The normal X out>
Check or replace the Ve fuse F4800
overcharge
H_16870_058.eps
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Figure 5-46 Defect overview 50” HD W2 [7/11]
Page 53
Service Modes, Error Codes, and Fault Finding
EN 53SDI PDP 2K7 5.
Figure 5-47 Defect overview 50” HD W2 Plus [8/11]
H_16872_013.eps
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Page 54
EN 54 SDI PDP 2K75.
Defect: Vsch voltage ouput is abnormal (50” only) Y-MAIN Protection Check (50” only)
Service Modes, Error Codes, and Fault Finding
Symptom : The abnormal image appears in some
cause depending on abnormal Vsch voltage.
Y out in oscilloscope
<The abnormal Y out> <The normal Y out>
Check the Vsch voltage or replace the Y-Board
Protection circuit
- Voltage Sensing : The important voltage sensing circuit
- Protection : This circuit compares Vref and each voltage using
comparator
- Interface : DC/DC circuit which is connected with
Photo-coupler, SCR
- Reporting : LED(Green) light on
Protection circuit behaviors
- Enable Circuit : This circuit enables protection circuit using
Verc voltage
- Enable : (High, Verc> about 60V)
- Voltage sensing : Verc, Vscl, Vsch voltage sensing
Verc>130V(Normal 100V)
Vscl>-165V(Normal -190V)
Vsch<-100V(Normal -70V)
- Each comparator enables the protection circuit if any voltage
is abnormal because this consis
ts with AND Logic
- If SCR is enable DC/DC Controller(MR4710) F/B voltage is
low(0.7V) and Vscl, Vsch, Vccf voltage is 0 level.
- Ypn, Ysc, Yfr, Scan I.C’s behaviors stops and no display
- Protection reporting through LED lighting
The Protection Y out The normal Y out
Figure 5-48 Defect overview 50” HD W2 [9/11]
H_16870_059.eps
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Page 55
Service Modes, Error Codes, and Fault Finding
EN 55SDI PDP 2K7 5.
Figure 5-49 Defect overview 50” HD W2 Plus [10/11]
H_16872_014.eps
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Page 56
EN 56 SDI PDP 2K75.
Service Modes, Error Codes, and Fault Finding
Defect : panel damage Defect: Exhaust pipe damage
Symptom : Panel crack or break. No image appears in some
cause depending on the damaged parts and
damage level.
Symptom. : Crack in break if exhaust pipe
an image is partially lacking or the panel
noise occurs depending on the damaged parts
and with the passage of time
Cause
Manufacturing : Flatness/palette pin interruption
Operation : overload of panel corner / careless handling
Panel : Flatness / assembly error
Figure 5-50 Defect overview [11/11]
Cause : Careless panel handling
H_16870_060.eps
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Page 57
Service Modes, Error Codes, and Fault Finding

5.3 Defect Description Form

This form must be used by the workshops for warranty claims:
Defect Description Form LCD PLASMA v4.0 final Date last modified: 28/03/2006
To be filled in by WORKSHOP / WORK CENTER
EN 57SDI PDP 2K7 5.
Country:
Customer Account nr.:
Job sheet nr.:
Constantly
Condition
Symptom(s)
GENERAL REPAIR DATA
Intermittently
After a while
No backlight
No picture
Picture too bright
Scratches (LCD only acc.
Pixel criteria sheet V4.0)
Only partial picture
Unstable picture
Pixel
Defect(s):
PHILIPS
LCD & Plasma
DEFECT DESCRIPTION
FORM
Qty of dots:
Dark dots
Bright dots
Type nr./Model nr. set
Type nr. display
Serial nr. display
Part nr display (12nc)
Return number
In hot environment
In cold environment
Flickering / flashing picture
Lines across/down image
Inactive row(s)
Inactive column(s)
Missing colour(s)
Light leakage
Mark
Defect(s):
Serial nr. set
Other:
Other:
Following defect symptoms are out of warranty:
Broken glass / Broken
Symptoms
PANEL REPAIR
Out of
warranty
Defect Board New Board
Spare Part Nr. Serial Nr. Spare Part Nr. Serial Nr.
1.
2.
3.
-
polarizer
-
Scratch(es) on display / polarizer
-
Number of dark/bright pixels within spec.
Burn in (Plasma TV) / Sticking image (LCD TV)
-
MURA
-
These
symptoms
are not
claimable.
BOARD REPAIR
4.
Note 1: The defective LCD-panel / PDP needs to be returned in the same packaging as the new part was send. If not
Owner: PHILIPS CE EUROSERVICE
the warranty claim will be rejected.
DE10WEG

Figure 5-51 Defect Description Form (DDF)

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EN 58 SDI PDP 2K76.
Block Diagrams, Test Point Overview, and Waveforms

6. Block Diagrams, Test Point Overview, and Waveforms

Index of this chapter:

6.1 Block Diagrams

6.1 Block Diagrams
Each
Each
Voltage
Voltage
from SMPS
from SMPS
Sustain
Sustain
(Yr, Yf,
(Yr, Yf,
Ys, Yg)
Ys, Yg)
Each
Each
Voltage
Voltage
from SMPS
from SMPS
Sustain
Sustain
(Xr, Xf,
(Xr, Xf,
Xs, Xg)
Xs, Xg)
X-bias
X-bias
(Xe)
(Xe)
Y-out
Y-out
DC-DC
DC-DC
(Vsch, Vccf)
(Vsch, Vccf)
Rising ramp
Rising ramp
(Yrr)
(Yrr)
falling ramp
falling ramp
(Yfr)
(Yfr)
Scan period
Scan period
(Ysc)
(Ysc)
X-out
X-out
Drive signal
Drive signal
Drive signal
from logic
from logic

Figure 6-1 Block diagram “Driver” circuits: Y-Main (left) and X-Main (right)

Drive signal
from logic
from logic
H_16870_038.eps
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Figure 6-2 Block diagram “Logic Main” circuit

H_16870_004.eps
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Page 59
Circuit Diagrams and PWB Layouts

7. Circuit Diagrams and PWB Layouts

Not applicable.
EN 59SDI PDP 2K7 7.
Page 60
EN 60 SDI PDP 2K78.
g

8. Alignments

Alignments
Index of this chapter:

8.1 Power Supply Voltages

8.2 Alignments 42” HD W2
8.3 Alignments 42” HD W2 Plus
8.4 Alignments 50” HD W2 & 50” HD W2 Plus
8.1 Power Supply Voltages

8.1.1 PSU Layout

Vsnd
POD
Note:
Figures can deviate due to the different model executions.
Important: Remove all non-default jumpers and reset all DIP switches, after the repair!
X-Main
Vs
PFC
Image B’d
MICOM
Logic main
Figure 8-1 PSU layout 42" HD W2
Va/ 8V6/D5V/V
Address Connector
STBY
AC input
H_16870_034.eps
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H_16871_014.eps
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Figure 8-2 PSU layout 42" HD W2 Plus
Page 61
Alignments
H_16870_066.eps
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EN 61SDI PDP 2K7 8.
Figure 8-3 PSU layout 50" HD W2
Figure 8-4 PSU layout 50" HD W2 Plus
H_16872_015.eps
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EN 62 SDI PDP 2K78.
Alignments

8.1.2 Adjustment Power Supply Voltages 42" HD W2

Table 8-1 Adjustment voltage level overview (also refer to the sticker on the rear side of the panel)
No Output voltage (V) Voltage Setting (Normal Load) Output Voltage Range
1 VS 205 V ± 1.5% 200 V ~ 207 V
2 VA 63 V ± 1.5% 60 V ~ 65 V
3 VE 110 V ± 1.5% 100 V ~ 120 V
4 VSCAN -190 V ± 1.5% -200 V ~ -185 V
5 VG 15 V ± 5% Fixed
6 D5VL 5.2 V ± 5% Fixed
Check voltage label on the PDP for correct values.
Vsch TP
Y-MAI N
VR5003 : Vscan(Vsc)
VR5004 : Vsch
Vscan TP
X-MAIN
VR4001 : Ve
Figure 8-5 Location of voltage check points - 42” HD W2
Ve TP
H_16870_080.eps
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Figure 8-6 Location of the supply lines from the PSU to the boards - 42” HD W2
H_16870_031.eps
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Page 63
Alignments

8.1.3 Adjustment Power Supply Voltages 42" HD W2 Plus

Table 8-2 Adjustment voltage level overview (also refer to the sticker on the rear side of the panel)
No Output voltage (V) Voltage Setting (Normal Load) Output Voltage Range
1 VS 205 V ± 1.5% 200 V ~ 215 V
2 VA 63 V ± 1.5% 61 V ~ 65 V
3 VE 99 V ± 1.5% 95 V ~ 105 V
4 VSCAN -190 V ± 1.5% -195 V ~ -185 V
5 VG 15 V ± 5% Fixed
6 D5VL 5.2 V ± 5% Fixed
Check voltage label on the PDP for correct values.
EN 63SDI PDP 2K7 8.
Figure 8-7 Location of voltage check points - 42” HD W2 Plus
H_16871_015.eps
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G
Page 64
EN 64 SDI PDP 2K78.
Alignments
Figure 8-8 Location of the supply lines from the PSU to the boards - 42” HD W2 Plus
H_16871_016.eps
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Page 65
Alignments

8.1.4 Adjustment Power Supply Voltages 50" HD W2

Table 8-3 Adjustment voltage level overview (also refer to the sticker on the rear side of the panel)
No Output voltage (V) Voltage Setting (Normal Load) Output Voltage Range
1 VS 207 V ± 1.5% 198 V ~ 202 V
2 VA 63 V ± 1.5% 63 V ~ 67 V
3 VE 94 V ± 1.5% 105 V ~ 115 V
4 VSCAN -190 V ± 1.5% -192 V ~ -188 V
5VG 15 V ± 5% Fixed
6 D5VL 5.2 V ± 5% Fixed
Check voltage label on the PDP for correct values.
Drive board’s voltage check point
Vsch TP
Vccf TP
Y-MAI N
VR5800 : Vscan
EN 65SDI PDP 2K7 8.
Vscan
Ve TP
Vs TP
Figure 8-9 Location of the voltage check points - 50” HD W2
Vs
Vcc
X-MAIN
VR4801 : Ve
Vs
Vcc
Vscan TP
Ve
H_16870_081.eps
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D5VL
Va
D5V
H_16870_063.eps
Figure 8-10 Location of the supply lines from the PSU to the boards - 50” HD W2
020407
Page 66
EN 66 SDI PDP 2K78.
Alignments

8.1.5 Adjustment Power Supply Voltages 50" HD W2 Plus

Table 8-4 Adjustment voltage level overview (also refer to the sticker on the rear side of the panel)
No Output voltage (V) Voltage Setting (Normal Load) Output Voltage Range
1 VS 207 V ± 1.5% 200 V ~ 215 V
2 VA 63 V ± 1.5% Fixed
3 VE 94 V ± 1.5% 105 V ~ 115 V
4 VSCAN -190 V ± 1.5% -192 V ~ -188 V
5 VG 15 V ± 5% Fixed
6 D5VL 5.3 V ± 5% Fixed
Check voltage label on the PDP for correct values.
Figure 8-11 Location of the voltage check points - 50” HD W2 Plus
H_16872_016.eps
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Page 67
Alignments
H_16872_017.eps
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EN 67SDI PDP 2K7 8.
Figure 8-12 Location of the supply lines from the PSU to the boards - 50” HD W2 Plus
Page 68
EN 68 SDI PDP 2K78.
Alignments

8.2 Alignments 42” HD W2

8.2.1 Quick Check

For a quick check on the correct Y-main waveform alignment, use the following method: Check the position of the potmeter VR5003 [1]. If it points in this direction [2], use a trimmer [3] to return it to the correct position [1].
Figure 8-13 Correct position of VR5003 [1]
H_16870_074.eps
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8.2.2 For Reference Only

If the quick check does not solve the issue, perform the following alignments:
1. Set the pattern to “Full White”:
Place jumper CN2013 (pins 3 and 4) on the Logic Board
The display starts showing a cycle of different patterns. At the moment the “full white” pattern is visible, remove the jumper. Now the display shows a continuous full white pattern. To restart the cycle of different patterns, replace the jumper.
2. Check the waveform using an oscilloscope (see figures “Adjusting waveforms - 42” HD W2”).
Trigger via V_TOGG on the LOGIC Board (see figure
“Logic PWB 42” HD W2”).
Connect the “CN5411” test point, located at the bottom
of the Y-buffer PWB, to the other channel, and then check the first SubField (SF) waveform of one TV­Field.
Check the waveform by adjusting the “horizontal
division” of the oscilloscope.
Check the Reset waveform when the V_TOGG level is
changed.
3. Adjust the waveform of the rising ramp with VR5001.
4. Adjust the waveform of the falling ramp with VR5002.
Figure 8-14 Wrong position of VR5003 [2]
H_16870_075.eps
120407
V-TOGG
JUMPER
PIN 3 & 4
Figure 8-16 Logic PWB - 42” HD W2
CN2013
H_16870_072.eps
110407
Figure 8-15 Changing of VR5003 [3]
H_16870_076.eps
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Page 69
VR5001 Adjustment : Rising Ramp
Oscilloscope Setting : 20V / 10us
VR5002 Adjustment : Falling Ramp
Oscilloscope Setting : 20V / 10us
Alignments
EN 69SDI PDP 2K7 8.
Figure 8-17 Adjusting waveforms - 42” HD W2 [1/2]
Adjust VR5002 to set the time of Yfr
(Main Reset Falling Ramp) like the
below picture.
Oscilloscope Setting : 20V / 10us
Adjust VR5001 to set the time of Yrr
(Main Reset Rising Ramp) like the
below picture.
Oscilloscope Setting : 20V / 10us
H_16870_069.eps
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< Falling Ramp > <Rising Ramp>
Figure 8-18 Adjusting waveforms - 42” HD W2 [2/2]
H_16870_068.eps
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Page 70
EN 70 SDI PDP 2K78.
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8.3 Alignments 42” HD W2 Plus

8.3.1 Quick Check

For a quick check on the correct Y-main waveform alignment, use the following method: Check the position of the potmeter VRsc (scan), see Figure “Correct position of VR for Vsc (scan) on Y-Main”. If necesary, use a trimmer to return it to its correct position.
Alignments
Check
Point
Ve VR Ve : 99 V
42HD W2P
Ve TP
Check
Point
Vsc VR Vsc : -190 V
42HD W2P
VR for adjusting Vsc
Vsc TP
Vsch TP
H_16871_017.eps
Figure 8-19 Correct position of VR for Vsc (scan) on Y-Main

8.3.2 For Reference Only

If the quick check does not solve the issue, perform the PSU (SMPS) and other alignments, as indicated in alignment pages of the W2 models. The W2 Plus PDP alignments are equivalent to those of the W2 PDP models, but there are some minor differences in the locations of test points and VRs. The differences (locations of test points and VRs) are shown in the photo above and the photos below.
070907
VR for adjusting Ve
Figure 8-21 X-Main: VR for adjusting Ve
Figure 8-22 SMPS: VR for adjusting Vs
H_16871_019.eps
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H_16871_020.eps
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j
Yfr VR Vsc : -190 V
42HD W2P
VR for adjusting Yfr
Figure 8-20 Y-Main: Vr for adjusting Yfr
H_16871_018.eps
070907
H_16871_021.ep
Figure 8-23 SMPS: Voltage measuring points
Protection mode Blink(green LED)
Vs 1 Va 2
LED
Alarm board
Vg 3
12Vssb 4
VSND 5
D5V 6 PFC 7
Thermal 8
DC_PROT 9
H_16871_022.eps
07090
070907
Figure 8-24 SMPS: Protection mode (Display Ramp)
Page 71
Alignments
EN 71SDI PDP 2K7 8.

8.4 Alignments 50” HD W2 & 50” HD W2 Plus

8.4.1 Quick Check

For a quick check on the correct Y-main waveform alignment, use the following method: Check the position of the potmeter VR5500 [1]. If it points in this direction [2], use a trimmer [3] to return it to the correct position [1].
H_16870_077.eps
Figure 8-25 Correct position of VR5500 [1]

8.4.2 For Reference Only

1. Set the pattern to Full White:
Place jumper CN2007 (pins 3 and 4) on the Logic Board
When the display starts showing a cycle of different patterns, push button SW2000 for at least one second. Now the display shows a continuous full white pattern. To restart the cycle of different patterns, push the button once more and wait for a few seconds.
2. Check the waveform using an oscilloscope (see figures “Adjusting waveforms - 50” HD W2”).
Trigger via V_TOGG on the Logic Board (see figure
“Logic PWB 50” HD W2”).
Connect the “OUT240” test point, located at the centre
of the Y-buffer PWB, to the other channel, and then check the first Sub-Field (SF) waveform of one TV­Field.
Check the waveform by adjusting the “horizontal
division” of the oscilloscope.
Check the Reset waveform when the V_TOGG level is
changed.
3. Adjust the waveform of the rising ramp with VR5200.
4. Adjust the waveform of the falling ramp with VR5500.
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V-TOGG
Figure 8-26 Wrong position of VR5500 [2]
H_16870_078.eps
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SW 2000
JUMPER
CN2007
PIN 3 & 4
Figure 8-28 Logic PWB - 50” HD W2
H_16870_073.eps
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Figure 8-27 Changing of VR5500 [3]
H_16870_079.eps
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Page 72
EN 72 SDI PDP 2K78.
Alignments
VR5200 Adjustment : Rising Ramp
Oscilloscope Setting : 50V / 40us
VR5500 Adjustment : Falling Ramp
Oscilloscope Setting : 50V / 20us
Figure 8-29 Adjusting waveforms - 50” HD W2 & 50 HD W2 Plus [1/2]
W2 Ramp Waveform Inclination Adjustment ( Y-Board ) - 1st Sub Field
Adjust VR5500 to set the time of Yfr
(Main Reset Falling Ramp) like the
below picture.
Oscilloscope Setting : 50V / 20us
Adjust VR5200 to set the time of Yrr
(Main Reset Rising Ramp) like the
below picture.
Oscilloscope Setting : 50V / 40us
Figure 8-30 Adjusting waveforms - 50” HD W2 & 50 HD W2 Plus [2/2]
H_16872_019.eps
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Page 73
Circuit Descriptions, Abbreviation List, and IC Data Sheets

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

EN 73SDI PDP 2K7 9.
Index of this chapter:

9.1 Main Function of Each Assembly

9.2 Abbreviation List

9.3 IC Data Sheets

9.1 Main Function of Each Assembly

9.1.1 X Main Board

The X Main board generates a drive signal by switching the FET and IGBT in synchronization with logic main board timing, and supplies the X electrode of the panel with the drive signal through the connector.
1. Maintain voltage waveforms (including ERC).
2. Generate X rising ramp signal.
3. Maintain Ve bias between Scan intervals.

9.1.2 Y Main Board

The Y Main board generates a drive signal by switching the FET and IGBT in synchronization with the logic Main Board timing and sequentially supplies the Y electrode of the panel with the drive signal through the scan driver IC on the Y-buffer board. This board connected to the panel’s Y terminal has the following main functions.
1. Maintain voltage waveforms (including ERC).
2. Generate Y-rising Falling Ramp.
3. Maintain V scan bias.

9.1.3 Logic Main Board

The Logic Main board generates and outputs the address drive output signal and the X,Y drive signal by processing the video signals. This board buffers the address drive output signal and feeds it to the address drive IC (TCP module, video signal- X Y drive signal generation, frame memory circuit / address data re­arrangement).
9.2 Abbreviation List
AC Alternating Current COF Circuit On Foil DC Direct Current ERC Energy Recovery Circuit ESD Electro Static Discharge FET Field Effect Transistor FFC Flat Foil Cable FPC Flexible Printed Circuit FTV Flat TeleVision HD High Definition I/O Input/Output IC Integrated Circuit IGBT Insulated Gate Bipolar Transistor LB Logic Buffer LED Light Emitting Diode LVDS Low Voltage Differential Signalling PCB Printed Circuit Board (same as PWB) PDP Plasma Display Panel PSU Power Supply Unit PWB Printed Wiring Board (same as PCB) RGB Red, Green, Blue colour space SD Standard Definition SDI Samsung Display Industry (supplier) SMPS Switched Mode Power Supply SSB Small Signal Board SF Sub Field TCP Tape Carrier Package VR Variable Resistor Vsc Scan Voltage YBL Y Buffer Lower board YBU Y Buffer Upper board YM Y Main board
9.3 IC Data Sheets
Not applicable.

9.1.4 Logic Buffer (E, F)

The Logic Buffer transmits the data and control signals.

9.1.5 Y Buffer Board

The Y Buffer board supplies the Y-terminal with scan waveforms. The board comprises eight scan driver ICs.

9.1.6 TCP (Tape Carrier Package)

The TCP applies the Va pulse to the address electrode and constitutes address discharge by the potential difference between the Va pulse and the pulse applied to the Y electrode. The TCP comprise one data driver IC. Twelve (42”) or sixteen (50”) TCPs are required for signal scan.
Page 74
EN 74 SDI PDP 2K710.

10. Spare Parts List

Please refer to the Philips Service website, for an actual overview (monthly updated).

11. Revision List

Manual xxxx xxx xxxx.0
First release.
Manual xxxx xxx xxxx.1
Information on 42 inch HD W2 Plus PDP (S42AX-YD08) added.
Manual xxxx xxx xxxx.2
Information on 50 inch HD W2 Plus PDP (S50HW-YD07) added.
Spare Parts List
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