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Mechanical Instructions

EN 7

LCD CMO 2K7

4.

4.2.2

Inverter Board

Disassembly

1. Place the panel on the foam bars.
2. Remove the connectors attached to the inverter. Start at 

the top, and be careful not to pull and drag the wires.

Figure 4-9 Remove connectors

3. Withdraw the grounding wire from the inverter. Be careful 

not to pull and drag the wire.

Figure 4-10 Release grounding wire

4. Remove the five fixation screws as indicated.

Figure 4-11 Remove 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. Check if 

placed correctly.

Figure 4-14 Grounding wire placement

4. Assembly completed. Check lamp functioning.

H_16920_002.eps

060407

H_16920_006.eps

060407

H_16920_007.eps

060407

H_16920_010.eps

060407

H_16920_011.eps

060407

H_16920_012.eps

060407

Содержание V315B1-L05

Страница 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...

Страница 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...

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: ... 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

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

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