Philips LF501EM4 - Page 15

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4-3 FL13.16-A_DC

[5] Digital Main CBA Unit

[4] Power Supply CBA

(S-6)

Jack Holder

(S-5)

Fig. D2

Main Page

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

Philips LF501EM4 - Page 15

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