Philips 40PFL4908/F7 User Manual

Service Manual
Contents
This service manual contains information of different types of models.
Make sure to refer to the section describing your model.
TYPE A
40PFL4908/F7 PHILIPS (Serial No.: DS1)
40PFL4908/F8 PHILIPS (Serial No.: XA1)
TYPE B
40PFL4708/F7 PHILIPS (Serial No.: DS1)
40PFL4708/F8 PHILIPS (Serial No.: XA1)
40” LCD TV
chassis PL13.13
130529
© 2013 Funai Electric Co., Ltd.
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to the fullest extent of the law.
This service manual contains information of different types of models.
Make sure to refer to the section describing your model.

Philips 40PFL4908/F7 Specifications

General

Screen Size	40 inches
Display Technology	LCD
Refresh Rate	60 Hz
Backlight Type	LED
HDMI Ports	3
USB Ports	2
Smart TV	Yes
Built-in Wi-Fi	Yes
Resolution	1920 x 1080
Audio Output	20 Watts

Summary

General Safety Notice

TV Specifications

Detailed Safety Precautions for Servicing

LCD Circuit Safety

Essential safety measures when working with the TV's internal circuitry.

Design Alteration & Hot Chassis Warnings

Warnings against design modifications and precautions for hot chassis circuits.

Product Safety Component Notice

Information on special safety-related parts and potential hazards from substitutes.

Post-Service Safety Checks

Clearance Distance & Leakage Current Tests

Procedures for verifying clearances and testing leakage current after servicing.

Standard Servicing Notes and Procedures

Circuit Board Markings Guide

Explains markings and pin indicators on circuit boards for correct component identification.

Flat Pack-IC Handling

Detailed steps for safely removing and installing flat pack integrated circuits.

Safe Semiconductor Handling Procedures

Semiconductor Grounding Procedures

Proper grounding methods for personnel and workbenches to prevent static discharge.

Cabinet Disassembly Guide

Cabinet Screw Torque Specs

Recommended tightening torque values for various screws used in cabinet assembly.

Cabinet Disassembly Flowchart

Visual flowchart and procedural steps for disassembling the TV cabinet.

TV Cable Wiring Diagram (Type A)

Electrical Adjustments for Type A Models

Type A Purity Check Mode

Steps to enter and use Purity Check Mode for inspecting screen pixels.

Type A White Balance Adjustment

Guide for adjusting white balance to achieve accurate color reproduction.

Electrical Adjustments for Type B Models

Type B Purity Check Mode

Steps to enter and use Purity Check Mode for inspecting screen pixels.

Type B White Balance Adjustment

Guide for adjusting white balance to achieve accurate color reproduction.

LCD TV Initialization Procedure

Firmware Update Procedure

Type A Firmware Update

Steps to update firmware using USB for Type A models.

Type B Firmware Update

Steps to update firmware using USB for Type B models.

TV Troubleshooting Guide

Power Supply Troubleshooting Charts

Diagnostic flowcharts for power supply related issues and voltage checks.

Video & Audio Signal Troubleshooting

Flowcharts for diagnosing video/audio signal issues and checking components.

System Block Diagrams for Type A

Type A System Control Diagram

Illustrates the main control flow and components of the TV system.

Type A Video/Audio Diagram

Shows signal paths for video and audio processing within the TV.

Type A Digital Signal Process Diagram

Depicts the digital signal processing stages and interfaces.

Type A LED Backlight Diagram

Illustrates the circuit responsible for driving the LED backlight.

Type A Power Supply Diagram

Shows the architecture of the TV's power supply unit.

System Block Diagrams for Type B

Type B System Control Diagram

Illustrates the main control flow and components of the TV system for Type B.

Type B Video/Audio Diagram

Shows signal paths for video and audio processing within the TV for Type B.

Type B Digital Signal Process Diagram

Depicts the digital signal processing stages and interfaces for Type B.

Type B LED Backlight Diagram

Illustrates the circuit responsible for driving the LED backlight for Type B.

Type B Power Supply Diagram

Shows the architecture of the TV's power supply unit for Type B.

Circuit Schematics and Test Points

Wiring Diagram (Type A)

Wiring Diagram (Type B)

Exploded Views (Type A)

Exploded Views (Type B)

TV Packing Procedure

Type A Mechanical Parts List (40PFL4908/F7)

Type A Electrical Parts List

Type A Mechanical Parts List (40PFL4908/F8)

Type A Electrical Parts List (Differences)

Type B Mechanical Parts List (40PFL4708/F7)

Type B Electrical Parts List

Service Manual Revision History

Model Name Comparison List