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Service Modes, Error Codes, and Fault Finding

EN 8

LCD CPT 2K7

Service Modes, Error Codes, and Fault Finding

Index of this chapter:

5.1 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_16

90_004.ep

120707

Содержание LCD CPT 2K7

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

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

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