Philips LF501EM4 - TV Cable Wiring Diagram

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4-6 FL13.16-A_DC

TV Cable Wiring Diagram

Power Supply CBA

Function CBA Unit

IR Sensor CBA Unit

To LCD Panel

Assembly

To LCD Panel

Assembly

To AC Cord

To Speaker

Digital Main

CBA Unit

CN3801

CN4001

CN4051 CN4052

CN1001

CN601

CN501

CN3013

CN3101

CN3701

CN3602

*1

*2

Fig. D5

*1: TYPE A

*2: TYPE B

Table of Contents

Service Manual1
Important Safety Notice2
Table of Contents3
Specifications4
- Tuner / Ntsc4
- Tuner / Atsc4
- Lcd Panel4
- Safety Precautions for LCD TV Circuit5
- Leakage Current Hot Check5
- Antenna Cold Check5
Important Safety Precautions5
- Hot Chassis Warning6
- Product Safety Notice6
- Precautions During Servicing7
- 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
- With Iron Wire11
- Ground for Workbench12
- Ground for Human Body12
- Instructions for Handling Semiconductors12
- Disassembly Flowchart13
- Disassembly Method13
- Precautions Concerning the LCD Panel Assembly13
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
How to Initialize the Lcd Tv21
- Firmware Update Procedure22
- Equipment Required22
Firmware Renewal Mode22
- Factory Upgrade (Firmware Upgrade/Flash Upgrade)23
- Flash Upgrade23
- The Power Cannot be Turned on24
- The Fuse Blows out24
- When the Output Voltage Fluctuates24
Troubleshooting24
- AL+3.3V Is Not Output25
- P-ON+21V Is Not Output25
- AMP+13V Is Not Output25
- The Key Operation Is Not Functioning26
- No Operation Is Possible from the Remote Control Unit26
- Picture Does Not Appear Normally26
- Audio Is Not Output Normally27
- System Control Block Diagram28
Block Diagrams [TYPE A]28
- Video/Audio Block Diagram29
- Digital Signal Process Block Diagram30
- LED Backlight Drive Block Diagram31
- Power Supply Block Diagram32
[Type B]33
Standard Notes38
Schematic Diagrams / Cba and Test Points38
- List of Caution, Notes, and Symbols39
- Voltage Indications on the Schematics39
- How to Read Converged Lines39
- Test Point Information39
- Function Schematic Diagram42
- IR Sensor Schematic Diagram43
- Digital Main 1 Schematic Diagram [TYPE A]44
- Digital Main 2 Schematic Diagram [TYPE A]45
- Digital Main 3 Schematic Diagram [TYPE A]46
- Digital Main 4 Schematic Diagram [TYPE A]47
- Digital Main 5 Schematic Diagram [TYPE A]48
- Digital Main 6 Schematic Diagram [TYPE A]49
- Digital Main 1 Schematic Diagram [TYPE B]50
- Digital Main 2 Schematic Diagram [TYPE B]51
- Digital Main 3 Schematic Diagram [TYPE B]52
- Digital Main 4 Schematic Diagram [TYPE B]53
- Digital Main 5 Schematic Diagram [TYPE B]54
- Digital Main 6 Schematic Diagram [TYPE B]55
- Power Supply CBA Top View56
- Power Supply CBA Bottom View57
Wiring Diagram [TYPE A]58
[Type B]59
Exploded Views60
- Packing61
- Mechanical Parts62
- Lcd Panel Assembly62
Parts List62
- Electrical Parts63
- Digital Main Cba Unit63
- Msw Assembly63
- Power Supply Cba63
Revision History73

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