Philips 55PFL4909 - Page 69

Philips 55PFL4909

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12-3 PL14.26-A_PEX

Packing

Some Ref. Numbers are

not in sequence.

S4

SSK1

X4 X3

X2

X1

Tape

Fixlon Tape

Fixlon Tape

S7

S12

S1

S2

S16

S3

Packing Tape

Packing Tape

Packing Tape

X22

X6

Packing Tape

S6

SNA1

SBA1

S10

55PFL4709/F8,

55PFL4909/F8

Table of Contents

Contents1
Service Manual1
Important Safety Notice2
Table of Contents3
Specifications4
- Safety Precautions for LCD TV Circuit5
- Leakage Current Hot Check5
Important Safety Precautions5
- Design Alteration Warning6
- Product Safety Notice6
- Hot Chassis Warning6
- Precautions During Servicing7
- Safety Check after Servicing8
- Clearance Distance8
- Ratings for Selected Area8
- Leakage Current Test8
- Circuit Board Indications9
- How to Remove / Install Flat Pack-IC9
- Pb (Lead) Free Solder9
Standard Notes for Servicing9
- Installation11
- Instructions for Handling Semi-Conductors12
- Ground for Human Body12
- Ground for Workbench12
- Screw Torque Specification13
- Disassembly Flowchart13
Cabinet Disassembly Instructions13
- Important Precautions Concerning the LCD Panel Assembly14
- TV Cable Wiring Diagram19
- Purity Check Mode21
- How to Set up the Service Mode21
- Test Equipment Required21
Electrical Adjustment Instructions [TYPE A]21
White Balance Adjustment22
[Type B]24
How to Initialize the Lcd Tv27
Firmware Update Procedure28
Firmware Renewal Mode [TYPE A]28
User Upgrade29
[Type B]29
- Factory Upgrade (Firmware Upgrade/Flash Upgrade)30
- The Power Cannot be Turned on31
- The Fuse Blows out31
- When the Output Voltage Fluctuates31
Troubleshooting31
- P-ON+21V Is Not Output32
- AMP+13V Is Not Output32
- AL+3.3V Is Not Output32
- Picture Does Not Appear Normally33
- No Operation Is Possible from the Remote Control Unit33
- The Key Operation Is Not Functioning33
- Audio Is Not Output Normally34
- System Control Block Diagram35
Block Diagrams [TYPE A]35
- Video/Audio Block Diagram36
- Digital Signal Process Block Diagram37
- LED Backlight Drive Block Diagram38
- Power Supply Block Diagram39
[Type B]40
Standard Notes45
Schematic Diagrams / Cba and Test Points45
- How to Read Converged Lines46
- Test Point Information46
- Power Supply 1 Schematic Diagram47
- Digital Main 2 Schematic Diagram [TYPE A]50
- Digital Main 3 Schematic Diagram [TYPE A]51
- Function Schematic Diagram61
- IR Sensor Schematic Diagram62
- Power Supply CBA Top View63
- Power Supply CBA Bottom View64
Wiring Diagrams [TYPE A]65
[Type B]66
Exploded Views67
Mechanical Parts70
Parts List70
- Electrical Parts71
- Power Supply Cba71
- Digital Main Cba Unit71
- Msw Assembly71
Revision History80

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