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Mechanical Instructions

EN 6

LCD CPT 2K7

4.

4.2

Model CLAA320WB02P

4.2.1

Control Board

Disassembly

1.

Place the panel face down on the foam bars, and locate the 
Control board.

Figure 4-3 Control board location

2.

Remove the four screws of the metal cover: start with the 
right-down one, then the left-up, one, then the right-up one 
and finally the left-down one and lift the cover from the 
Control board.

Figure 4-4 Cover screws removal

3.

Carefully disconnect the flat cable/FPCs from their 
connectors.

Figure 4-5 Unplug FPCs

4.

You can now remove the Control Board.

Reassembly

To reassemble, perform all processes in reverse order.
 

Important:

 Be sure to insert the FPCs correctly: the white line 

must be invisible when inserted correctly (see figure below).

Figure 4-6 Correct FPC insertion

H_16900_018.eps

260607

H_16910_002.eps

260607

H_16910_003.eps

260607

H_16900_007.eps

110707

Summary of Contents for LCD CPT 2K7

Page 1: ...hotocopying or otherwise without the prior permission of Philips Colour Television Module CPT CHUNGHWA LCD 2k7 CLAA320WB02P Contents Page 1 Technical Specifications Connections and Chassis Overview 2 2 Safety Instructions Warnings and Notes 3 3 Directions for Use 4 4 Mechanical Instructions 5 5 Service Modes Error Codes and Fault Finding 8 6 Block Diagrams Test Point Overviews and Waveforms 9 7 Ci...

Page 2: ...o change 1 1 Introduction In this Service Manual you will find all necessary information to perform the Board Level Repair board swap scenario on LCD panels These LCD repair manuals are created per brand and they will contain all necessary information for the different panels used in Philips flat LCD TVs 1 2 Specifications Below find attached the data sheets of the different LCD panels Click on th...

Page 3: ...with excessive force may cause the core of the cable to be exposed or break the cable and this can lead to fire or electric shock This product contains glass If shock vibration heat or distortion is applied to the product the glass may be broken If glass surface of the display breaks or is scratched do not touched the broken pieces or the scratched with bare hands You may be injured LCD Module req...

Page 4: ...ule It eventually can make the TCP crack or lead to other unexpected defects Let the Backlight Wire at the backside of the LCD Module If let the Backlight wire in front of the LCD Module the Backlight connector can hurt the surface of the polariser Never dis connect at power ON The LCD Module consists of CMOS components which are known as weak components against EOS It can damage the product Elect...

Page 5: ... conditions just to prevent danger caused by electrical sparks Never replace modules or other components while the unit is switched on Connectors to and from the Inverter Boards must be thoroughly connected to avoid any electrical sparks during operation 4 1 2 Foam Bars 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 displays ...

Page 6: ...lly the left down one and lift the cover from the Control board Figure 4 4 Cover screws removal 3 Carefully disconnect the flat cable FPCs from their connectors Figure 4 5 Unplug FPCs 4 You can now remove the Control Board Reassembly To reassemble perform all processes in reverse order Important Be sure to insert the FPCs correctly the white line must be invisible when inserted correctly see figur...

Page 7: ...ter cover screws 3 Unplug the lamp connectors on the inverter Start at the top and be careful not to pull and drag the wires The use of a pair of pliers can be helpful Figure 4 9 Remove Inverter connectors Figure 4 10 Remove Inverter board 4 You can now remove the Inverter board Reassembly To reassemble perform all processes in reverse order H_16910_004 eps 270607 H_16910_005 eps 270607 H_16910_00...

Page 8: ...Service Modes 5 2 Error Codes 5 3 Fault Finding 5 1 Service Modes Not applicable 5 2 Error Codes Not applicable 5 3 Fault Finding Figure 5 1 Symptom Cure overview Exchange Inverter Case 15 Case18 Back light No light dim light left right center Exchange Control Board Case 1 Case14 Abnormal display No display Noise H_16890_004 eps 120707 ...

Page 9: ...wa Picture Tubes supplier COF Chip On Flex Foil Film CPT Chunghwa Picture Tubes supplier DC Direct Current FET Field Effect Transistor FFC Flat Foil Cable FPC Flexible Printed Circuit IC Integrated Circuit LCD Liquid Crystal Display LCM Liquid Crystal Module LED Light Emitting Diode LPL LG Philips LCD supplier PCB Printed Circuit Board same as PWB PSU Power Supply Unit PWB Printed Wiring Board sam...

Page 10: ...Revision List EN 10 LCD CPT 2K7 11 ...

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