Panasonic TX-LR32C20

© Panasonic Corporation 2010. Unauthorized
copying and distribution is a violation of law.
ORDER NO. MTV1001925CE
LCD TV
Model No. TX-LR32C20
Chassis: KM06
Destination: CIS
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions----------------------------------------------- 3
1.1. General Guidelines---------------------------------------- 3
1.1.1. Leakage Current Cold Check---------------------- 3
1.1.2. Leakage Current Hot Check (See Figure
1.) --------------------------------------------------------- 3
2 Warning -------------------------------------------------------------- 4
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatically Sensitive (ES) Devices---------- 4
2.2. About lead free solder (PbF)---------------------------- 5
3 Service Navigation ----------------------------------------------- 6
3.1. Service Hint ------------------------------------------------- 6
3.2. Applicable signals ----------------------------------------- 7
4 Specifications ----------------------------------------------------- 8
5 Service Mode -----------------------------------------------------10
5.1. How to enter into Service Mode ----------------------10
5.1.1. Contents of adjustment mode --------------------10
5.1.2. How to exit---------------------------------------------10
5.2. SRV-TOOL -------------------------------------------------11
5.2.1. How to access ----------------------------------------11
5.2.2. Display of SOS History ---------------------------- 11
5.2.3. POWER ON TIME/COUNT----------------------- 11
5.2.4. Exit ------------------------------------------------------ 11
5.3. Service Mode Adjustment------------------------------ 12
5.3.1. Self Check Mode ------------------------------------ 12
5.3.2. Hotel Mode Adjustment---------------------------- 12
5.3.3. Hotel Mode-------------------------------------------- 12
6 Troubleshooting Guide --------------------------------------- 13
6.1. Check of the IIC bus lines------------------------------ 13
6.1.1. How to access --------------------------------------- 13
6.1.2. Exit ------------------------------------------------------ 13
6.1.3. Screen display --------------------------------------- 13
6.1.4. Check Point------------------------------------------- 13
6.2. Power LED Blinking timing chart --------------------- 14
6.3. No Power--------------------------------------------------- 14
7 Disassembly and Assembly Instructions--------------- 15
7.1. AC Cord Dressing---------------------------------------- 15
7.2. AC Cord Installation ------------------------------------- 16
7.3. VESA Rail Installation----------------------------------- 17

Panasonic TX-LR32C20 Specifications

General

Brand	Panasonic
Model	TX-LR32C20
Category	LCD TV
Language	English

Summary

Safety Precautions

General Guidelines

General safety guidelines to be observed during servicing and repair.

Leakage Current Cold Check

Procedure for checking leakage current with the AC cord unplugged.

Leakage Current Hot Check

Procedure for checking leakage current with the AC cord plugged in.

Warning

Prevention of Electrostatic Discharge (ESD)

Techniques to prevent component damage from static electricity.

About lead free solder (PbF)

Information and recommendations regarding the use of lead-free solder.

Service Navigation

Service Hint

Hints and guidance for navigating the service modes and functions.

Applicable signals

List of input signals compatible with the TV and their parameters.

Specifications

Service Mode

How to enter into Service Mode

Instructions for accessing the television's service mode.

Contents of adjustment mode

Overview of the adjustable parameters within the service mode.

How to exit

Procedure for safely exiting the service mode.

SRV-TOOL

Details on using the SRV-TOOL for diagnostics and settings.

POWER ON TIMECOUNT

Information on how to view the power on time and count.

Service Mode Adjustment

Procedures for adjusting various settings within the service mode.

Hotel Mode

Configuration options for the hotel mode feature.

Troubleshooting Guide

Check of the IIC bus lines

Procedure for checking the IIC bus lines for communication issues.

Check Point

Specific points to check if an NG status is displayed during diagnostics.

Power LED Blinking timing chart

Chart detailing LED blinking patterns and corresponding errors.

No Power

Troubleshooting steps for scenarios where the TV does not power on.

Disassembly and Assembly Instructions

AC Cord Dressing

Instructions for properly routing and securing the AC power cord.

AC Cord Installation

Steps for installing the AC cord and its associated bracket.

VESA Rail Installation

Procedure for installing VESA mounting rails on the unit.

VESA Metal Assembly

Instructions for assembling the VESA metal components.

Vesa Metal Top Assembly

Steps for assembling the VESA metal top parts.

Control Panel Assembly

Instructions for assembling the TV's control panel.

Side AV Preparation and Installation

Procedure for preparing and installing the side AV input bracket.

SP Installation

Instructions for installing the speaker units and associated hardware.

LCD Panel Installation

Steps for safely installing the LCD panel into the TV chassis.

LED Panel Installation & Fitting

Procedure for installing and fitting the LED panel assembly.

LCD Mounting Installation

Instructions for mounting the LCD panel using various brackets and clamps.

Metal Bracket Installation

Steps for installing various metal brackets onto the LCD panel.

LVDS Cable Installation

Procedure for installing the LVDS harness to the LCD panel.

PCB and Clamper Assembly

Instructions for assembling PCBs and securing them with clamps.

PB MTG Installation

Steps for installing metal brackets for PCB mounting.

Pedestal Assembly 1

First part of instructions for assembling the TV pedestal.

Pedestal Assembly 2

Second part of instructions for assembling the TV pedestal.

Rear cover

Procedure for removing and installing the rear cover of the TV.

Stand MTG Assembly

Instructions for assembling the TV stand mounting hardware.

Measurements and Adjustments

Voltage chart of A-board

Table listing test points and expected voltages on the A-board.

Voltage chart of P-board

Table listing test points and expected voltages on the P-board.

Picture level adjustment (RF)

Procedure for adjusting picture levels using RF input.

Picture level adjustment (VIDEO)

Procedure for adjusting picture levels using VIDEO input.

Picture level adjustment (YUV)

Procedure for adjusting picture levels using YUV input.

Block Diagram

Main Block Diagram

Overview of the main functional blocks and their interconnections.

Wiring Connection Diagram

Schematic Diagram

Schematic Diagram Notes

Notes and conventions used in the schematic diagrams.

A Board Schematics

Schematics for the A-Board, covering multiple sheets.

K Board Schematics

Schematics for the K-Board, covering multiple sheets.

P Board Schematics

Schematics for the P-Board, covering multiple sheets.

V Board Schematics

Schematics for the V-Board, covering multiple sheets.

Printed Circuit Board

A-Board PCB Layout

Physical layout and component locations for the A-Board (A Side).

A-Board PCB Layout (B Side)

Physical layout and component locations for the A-Board (B Side).

K-Board PCB Layout

Physical layout and component locations for the K-Board.

V-Board PCB Layout

Physical layout and component locations for the V-Board.

P-Board PCB Layout

Physical layout and component locations for the P-Board.

Exploded View and Replacement Parts List

Exploded View and Mechanical Replacement Parts List

Guide to mechanical parts and their exploded view.

Electrical Replacement Parts List

Comprehensive list of electrical components for replacement.

Replacement Parts List Notes

Notes and abbreviations used in the replacement parts list.

Electrical Replacement Parts List Details

Detailed listing of electrical parts with part numbers and descriptions.