Panasonic TC-L42U12 - User Manual

© Panasonic Corporation 2009.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.MTNC090322CE
B05 Canada: B07
42 inch Class 1080p LCD HDTV
Model No. TC-L42U12
LH91 Chassis

Summary

Warning

Prevention of Electrostatic Discharge (ESD)

Techniques to prevent damage to sensitive electronic components from static electricity.

Specifications

Service Mode

How to Enter Service Mode

Instructions on accessing the service mode using remote control and unit buttons.

Key Command and Adjustment

Troubleshooting Guide

IIC Bus Line Check

Power LED Blinking Timing Chart

A chart correlating power LED blinking patterns to specific error conditions.

No Power Troubleshooting

A flowchart to diagnose and resolve "No Power" issues based on power LED status.

Disassembly and Assembly Instructions

Pedestal and Rear Cover Removal

Side AV Bracket, A-Board, Control Panel, and Speaker Removal

Measurements and Adjustments

P-Board and A-Board Voltage Charts

Tables showing test points, voltages, and specifications for P-board and A-board.

Picture Level Adjustments (RF, Video, YUV)

Schematic Diagram

A-Board (1;11) Schematic Diagram

Part 1 of 11 of the A-Board schematic, showing IC8001 and related components.

A-Board (2;11) Schematic Diagram

Part 2 of 11 of the A-Board schematic, detailing EEPROM and Flash ICs.

A-Board (3;11) Schematic Diagram

Part 3 of 11 of the A-Board schematic, covering power supply and analog ASIC.

A-Board (4;11) Schematic Diagram

Part 4 of 11 of the A-Board schematic, showing IC2301 and related circuits.

A-Board (5;11) Schematic Diagram

Part 5 of 11 of the A-Board schematic, detailing digital audio out and control panel connections.

A-Board (6;11) Schematic Diagram

Part 6 of 11 of the A-Board schematic, focusing on IC1102 and IC1103.

A-Board (7;11) Schematic Diagram

Part 7 of 11 of the A-Board schematic, showing IC4202 and LVDS TX.

A-Board (8;11) Schematic Diagram

Part 8 of 11 of the A-Board schematic, detailing HDMI3 connections.

A-Board (9;11) Schematic Diagram

Part 9 of 11 of the A-Board schematic, showing Peaks AVC and PC RGB connections.

A-Board (10;11) Schematic Diagram

Part 10 of 11 of the A-Board schematic, covering power supply and analog inputs.

A-Board (11;11) Schematic Diagram

Part 11 of 11 of the A-Board schematic, showing tuner and analog connections.

V-Board Schematic Diagram

Exploded View and Replacement Parts List

Exploded View of Components

Mechanical Replacement Parts List

Electrical Replacement Parts List

Electrical Parts List (Capacitors A-L)

Electrical Parts List (Capacitors C-R)

Electrical Parts List (Capacitors C-Z, Diodes, ICs)

Electrical Parts List (ICs, Transistors, Resistors A-R)

Electrical Parts List (Resistors R-R)

Electrical Parts List (Resistors R-R, Connectors, Crystals)

Panasonic TC-L42U12 Specifications

General

Screen Size	42 inches
Resolution	1920 x 1080
Display Type	LCD
Backlight Type	CCFL
HDMI Ports	3
USB Ports	1
Audio Output	10W x 2
Weight	45.5 lbs
Aspect Ratio	16:9
Response Time	6.5 ms
Component Video Inputs	1
Composite Video Inputs	1
PC Input	1
Refresh Rate	60 Hz
Inputs	HDMI, Component, Composite, PC
Sound Output	20W