Philips V315B1-L05 Page 10 Serivce Manual Download

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Service Modes, Error Codes, and Fault Finding

EN 10

LCD CMO 2K7

Service Modes, Error Codes, and Fault Finding

Index of this chapter:

5.1 Models: 32-inch and 47-inch

5.1

Models: 32-inch and 47-inch

5.1.1

Fault Finding

Figure 5-1 Symptom overview

Table 5-1 Inverter Interface Impedance (CN-1)

E xchange C ontrol B oard

case 1 ~ 5 (A bnormal display

No display

Noise)

E xchange I nverter

case 6 ~ 7

Case 6

Case 7

2~3 sec

Case 5

Case 1

Case 2

Case 3

Case 4

H_16920_024.ep

010507

Pin No.

Symbol

Impedance

ADIM 172

kohm

10%

BLON

67 kohm

10%

PDIM

51 kohm

10%

Summary of Contents for V315B1-L05

Page 1: ...otherwise without the prior permission of Philips Colour Television Module CMO CHI MEI OPT LCD 2k7 V315B1 L05 V320B1 L05 V470H1 L03 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 10 6 Block Diagrams Test Point Overviews and Wavefor...

Page 2: ... label 1 3 Specifications Below find attached the data sheets of the different LCD panels Click on the model number to open Model V315B1 L05 Model V320B1 L05 Model V470H1 L03 MADE IN TAIWAN E207943 a Model Name V320B1 L05 b Revision Rev XX for example A0 A1 B1 B2 or C1 C2 etc c Serial ID X X X X X X X Y M D L N N N N Serial ID includes the information as below a Manufactured Date Year 0 9 for 2000...

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: ... high voltage section Never pull plugs out under operation 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 pi...

Page 6: ...eir connectors use tweezers if possible Figure 4 5 Release FFCs 4 You can now remove the Control Board Reassembly 1 Place the panel on the foam bars and place the Control Board on the panel via the alignment pins Figure 4 6 Alignment pins 2 Insert and lock the FFCs into their connectors Figure 4 7 FFC insertion 3 Place the metal cover in the direction shown Figure 4 8 Cover placement 4 Secure the ...

Page 7: ...ve fixation screws 5 Remove the Inverter Board Reassembly 1 Place the panel on the foam bars and place the Inverter Board on the panel via the alignment pins Figure 4 12 Alignment pins 2 Insert the connectors Be sure to place the round spot upwards Important Connectors should be well connected to avoid electrical sparks Figure 4 13 FFC insertion 3 Place the grounding wire to the Inverter Board Che...

Page 8: ...FFCs from their connectors use tweezers if possible Figure 4 17 Release FFCs 4 You can now remove the Control Board Reassembly 1 Place the panel on the foam bars and place the Control Board on the panel via the alignment pins 2 Insert and lock the FFCs into their connectors Figure 4 18 FFC insertion 3 Place the metal cover in the direction shown Figure 4 19 Place cover 4 Secure the cover screws Fi...

Page 9: ...onnector Figure 4 23 Remove FFC 5 Remove the Inverter Board Reassembly 1 Place the panel on the foam bars and place the Inverter Board on the panel via the alignment pins 2 Insert and lock the FFC into its connector Figure 4 24 FFC insertion 3 Insert the lamp connectors Be sure to place the round spot upwards Important Connectors should be well connected to avoid electrical sparks Figure 4 25 Inse...

Page 10: ...ls 32 inch and 47 inch 5 1 1 Fault Finding Figure 5 1 Symptom overview Table 5 1 Inverter Interface Impedance CN 1 Exchange Control Boardʴ case 1 5 Abnormal displayʿ No displayʿ Noise Exchange Inverterʴ case 6 7 Case 6 Case 7 2 3 sec Case 5 Case 1 Case 2 Case 3 Case 4 H_16920_024 eps 010507 Pin No Symbol Impedance 11 ADIM 172 kohm 10 12 BLON 67 kohm 10 13 PDIM 51 kohm 10 ...

Page 11: ...x 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 same as PCB RGB Red Green Blue colour space ...

Page 12: ...Revision List EN 12 LCD CMO 2K7 11 ...

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