用户手册 — Panasonic lh91 tc-l42u12

目录

• ORDER NO.MTNC090322CE

  1
  • 42 inch Class 1080p LCD HDTV

    1
  • Model No. TC-L42U12

    1
• 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

    6
• 4 Specifications

  7
• 5 Service Mode

  8
  • 5.1. How to enter into Service Mode

    8
    • 5.1.1. Key command

      8
    • 5.1.2. Contents of adjustment mode

      8
    • 5.1.3. How to exit

      8
  • 5.2. SRV-TOOL

    9
    • 5.2.1. How to access

      9
    • 5.2.2. Display of SOS History

      9
    • 5.2.3. POWER ON TIME/COUNT

      9
    • 5.2.4. Exit

      9
  • 5.3. Hotel mode

    10
• 6 Troubleshooting Guide

  11
  • 6.1. Check of the IIC bus lines

    11
    • 6.1.1. How to access

      11
    • 6.1.2. Exit

      11
    • 6.1.3. Screen display

      11
    • 6.1.4. Check Point

      11
  • 6.2. Power LED Blinking timing chart

    12
  • 6.3. No Power

    13
• 7 Disassembly and Assembly Instructions

  14
  • 7.1. Pedestal assy

    14
  • 7.2. Rear cover

    14
  • 7.3. AC cord and Rear center cover

    14
  • 7.4. P-Board

    14
  • 7.5. Side AV bracket

    15
  • 7.6. A-Board

    15
  • 7.7. Control panel assy

    15
  • 7.8. Speaker

    15
  • 7.9. Chassis frame assy

    16
  • 7.10. VESA rail assy

    16
  • 7.11. LCD TOP MTG

    16
  • 7.12. LCD BTM MTG

    17
  • 7.13. LCD Panel

    17
  • 7.14. V-Board

    17
  • 7.15. EMI processing

    18
• 8 Measurements and Adjustments

  19
  • 8.1. Voltage chart of P-board

    19
  • 8.2. Voltage chart of A-board

    19
  • 8.3. Picture level adjustment (RF)

    20
  • 8.4. Picture level adjustment (VIDEO)

    20
  • 8.5. Picture level adjustment (YUV)

    20
• 9 Block Diagram

  21
  • 9.1. Main Block Diagram

    21
  • 9.3. Block (2/2) Diagram

    23
• 10 Wiring Connection Diagram

  25
  • 10.1. Caution statement.

    25
  • 10.2. Wiring

    25
• 11 Schematic Diagram

  27
  • 11.1. Schematic Diagram Notes

    27
  • 11.2. A-Board (1/11) Schematic Diagram

    28
  • 11.3. A-Board (2/11) Schematic Diagram

    29
  • 11.4. A-Board (3/11) Schematic Diagram

    30
  • 11.5. A-Board (4/11) Schematic Diagram

    31
  • 11.6. A-Board (5/11) Schematic Diagram

    32
  • 11.7. A-Board (6/11) Schematic Diagram

    33
  • 11.8. A-Board (7/11) Schematic Diagram

    34
  • 11.9. A-Board (8/11) Schematic Diagram

    35
  • 11.10. A-Board (9/11) Schematic Diagram

    36
  • 11.11. A-Board (10/11) Schematic Diagram

    37
  • 11.12. A-Board (11/11) Schematic Diagram

    38
  • 11.13. V-Board Schematic Diagram

    39
• 12 Printed Circuit Board

  40
  • 12.1. A-Board

    40
  • 12.2. V-Board

    43
• 13 Exploded View and Replacement Parts List

  45
  • 13.1. Exploded View and Mechanical Replacement Parts List

    45
    • 13.1.1. Exploded View

      45
    • 13.1.2. Accessory

      46
    • 13.1.3. Mechanical Replacement Parts List

      47
  • 13.2. Electrical Replacement Parts List

    49
    • 13.2.1. Replacement Parts List Notes

      49
    • 13.2.2. Electrical Replacement Parts List

      50