Panasonic TX-LR42U20 Manuals

Panasonic TX-LR42U20 Manuals

Manuals and User Guides for Panasonic TX-LR42U20. We have 1 Panasonic TX-LR42U20 manual available for free PDF download: Service Manual

Panasonic TX-LR42U20 Service Manual

Panasonic TX-LR42U20 Service Manual (136 pages)

Chassis: KM09

Brand: Panasonic | Category: LCD TV | Size: 24.59 MB

Table of Contents

Table of Contents
1
1 Safety Precautions

4
- General Guidelines
  4
  - Leakage Current Cold Check
    4
  - Leakage Current Hot Check (See Figure 1.)
    4
2 Warning

5
- Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices
  5
- About Lead Free Solder (Pbf)
  6
3 Service Navigation

7
- Service Hint
  7
4 Specifications

8
5 Service Mode

9
- How to Enter into Service Mode
  9
  - Contents of Adjustment Mode
    9
  - How to Exit
    9
- Srv-Tool
  10
  - How to Access
    10
  - Display of SOS History
    10
  - Power on Time/Count
    10
  - Exit
    10
- Service Mode Adjustment
  11
  - Self Check Mode
    11
  - Hotel Mode Adjustment
    11
  - Hotel Mode
    11
6 Troubleshooting Guide

12
- Check of the IIC Bus Lines
  12
  - How to Access
    12
  - Exit
    12
  - Screen Display
    12
  - Check Point
    12
- Power LED Blinking Timing Chart
  13
- No Power
  13
7 Disassembly and Assembly Instructions

14
- AC Cord Dressing
  14
- AC Cord Dressing
  15
- AC Cord Installation
  16
- Control Panel Assembly & Clamper Installation
  17
- Side AV Preparation & Installation
  18
  - G Board & CI Slot Assembly
    19
  - Speaker Preparation & Installation
    20
  - LCD Panel Fixing & Handling Method
    21
  - LED Panel Installation
    22
  - Felt Sticking at LVDS Wire
    23
  - LCD Bracket and MTG Installation
    24
  - Pedestal Assembly
    25
  - Pedestal Assembly
    26
  - Rear Cover
    26
- 8 Measurements and Adjustments
  
  27
  - Voltage Chart of A-Board
    27
  - Voltage Chart of P-Board
    27
- 9 Block Diagram
  
  28
  - Main Block Diagram
    28
10 Wiring Connection Diagram

29
11 Schematic Diagram

30
- Schematic Diagram Notes
  30
- A Board
  31

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