Philips 55PFL5706/F7 - Page 15

Philips 55PFL5706/F7

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4-3 PL11.8-A_DC

[3] Speaker

[5] Function CBA Unit

[4] IR Sensor CBA Unit

Knob Frame

Function Button

Shield Plate

Fig. D2

Table of Contents

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
- Circuit Board Indications9
- How to Remove / Install Flat Pack-IC9
- Pb (Lead) Free Solder9
Standard Notes for Servicing9
- With Soldering Iron10
- Installation11
- With Iron Wire11
- Ground for Workbench12
- Instructions for Handling Semi-Conductors12
- Ground for Human Body12
- Disassembly Flowchart13
- Disassembly Method13
Cabinet Disassembly Instructions13
- TV Cable Wiring Diagram18
- Test Equipment Required19
- How to Set up the Service Mode19
- Purity Check Mode19
Electrical Adjustment Instructions19
- White Balance Adjustment20
- Symptom of Misadjustment: White Becomes Bluish or Reddish20
How to Initialize the Lcd Tv22
- Equipment Required23
- Firmware Update Procedure23
Firmware Renewal Mode23
- When the Output Voltage Fluctuates24
- The Fuse Blows out24
- The Power Cannot be Turned on24
Troubleshooting24
- AL+5V Is Not Output25
- PANEL+24V Is Not Output25
- P-ON+12V Is Not Output25
- The Key Operation Is Not Functioning25
- No Operation Is Possible from the Remote Control Unit26
- Picture Does Not Appear Normally26
- Audio Is Not Outputted Normally26
- System Control Block Diagram27
Block Diagrams27
- Video/Audio Block Diagram28
- Digital Signal Process Block Diagram29
- Power Supply Block Diagram30
- Standard Notes31
Schematic Diagrams / Cba and Test Points31
- Test Point Information32
- How to Read Converged Lines32
- Voltage Indications on the Schematics32
- Power Supply 1 Schematic Diagram33
- Digital Main 2 Schematic Diagram36
- Function Schematic Diagram45
- IR Sensor Schematic Diagram46
- FRC 1 Schematic Diagram47
- Power Supply CBA Top View52
- Power Supply CBA Bottom View53
Waveforms54
Wiring Diagram55
Cabinet56
Exploded Views56
- Packing57
- Mechanical Parts58
Parts List58
- Electrical Parts59
- Frc Cba Unit59
- Different Parts from the Original Model62
Revision History64

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