Philips 42PFL3704D/F7 - TV Cable Wiring Diagram

Philips 42PFL3704D/F7

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4-6 A91H2DC

TV Cable Wiring Diagram

Inverter Power CBA

Jack Power CBA

WH301A

WH302BWH301B CN302WH302A

Digital Main CBA Unit

CN1501

CN901

CN601

CN801

CN802

CN203 CN202 CN201

CN3702 CN3701

CN1803

CN1804

CN1801

Junction

CBA

Function

CBA

IR Sensor CBA

To LCD Module

Assembly

To AC Inlet

To Speaker

To LCD Module

Assembly

CN1601

CN3901

Fig. D5

Table of Contents

Contents1
Service Manual1
Important Safety Notice2
Table of Contents3
Specifications4
Safety Precautions for LCD TV Circuit5
Important Safety Precautions5
- Safety Check after Servicing8
- Clearance Distance8
- Leakage Current Test8
- Ratings for Selected Area8
- Pb (Lead) Free Solder9
- Circuit Board Indications9
- How to Remove / Install Flat Pack-IC9
Standard Notes for Servicing9
- Instructions for Handling Semi-Conductors12
- Ground for Human Body12
- Ground for Workbench12
- Disassembly Method13
Cabinet Disassembly Instructions13
- TV Cable Wiring Diagram18
- How to Set up the Service Mode31
- Test Equipment Required31
- How to Make the Service Remote Control Unit31
Electrical Adjustment Instructions31
- Purity Check Mode32
- VCOM Adjustment32
- White Balance Adjustment33
How to Initialize the Lcd Tv34
- Equipment Required35
- Firmware Update Procedure35
Firmware Renewal Mode35
- The Fuse Blows out36
- The Power Cannot be Turned on36
- Power Supply Section36
Troubleshooting36
- AL+5V Is Not Output37
- AL+3.3V Is Not Output37
- When the Output Voltage Fluctuates37
- When Buzz Sound Can be Heard in the Vicinity of Power Circuit37
- P-ON+8.2V Is Not Output38
- P-ON+5V Is Not Output38
- P-ON+3.3V Is Not Output38
- The Key Operation Is Not Functioning39
- No Operation Is Possible from the Remote Control Unit39
- Picture Does Not Appear Normally. (Tuner Input)40
- Picture Does Not Appear Normally. (EXT. Input)40
- System Control Block Diagram43
Block Diagrams43
- Video Block Diagram44
- Audio Block Diagram45
- Digital Signal Process Block Diagram46
- Power Supply 1 Block Diagram47
- Power Supply 2 Block Diagram49
- Standard Notes50
Schematic Diagrams / Cba and Test Points50
- Voltage Indications on the Schematics51
- How to Read Converged Lines51
- Test Point Information51
- Jack Power 1/3 Schematic Diagram52
- Inverter Power Schematic Diagram55
- IR Sensor, Function & Junction Schematic Diagram61
- Digital Main Schematic Diagram62
- Jack Power CBA Top View72
- Jack Power CBA Bottom View73
- Inverter Power CBA Top View74
- Inverter Power CBA Bottom View75
- Function CBA Top View78
- Function CBA Bottom View78
- IR Sensor CBA Top View78
- IR Sensor CBA Bottom View78
Waveforms79
Wiring Diagram80
Exploded Views82
Packing85
Mechanical Parts List87
Electrical Parts List90
- Electrical Parts List98
- Digital Main Cba Unit98
- Jack Assembly98
- Jack Power Cba98
- Function Cba102
- Ir Sensor Cba102
- Junction Cba102
- Inverter Power Cba102
Revision History114

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