Philips 42PFL3704D/F7 - REVISION HISTORY; Revision Log

Philips 42PFL3704D/F7

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16-1 FL9.2REV

REVISION HISTORY

Chassis FL9.2

• 2009-06-19 Individual parts numbers added for the JACK ASSEMBLY

• 2009-07-21 Change parts numbers

(DIGITAL MAIN CBA UNIT, JACK ASSEMBLY, INVERTER POWER CBA)

• 2009-07-21 42PFL3704D/F7 (Serial No. : YA1A**********) added

• 2009-11-09 42PFL3704D/F7 (Serial No. : YA2A**********) added

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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