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Panasonic TC-22LR30 Service Manual
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Panasonic TC-22LR30 Service Manual

Lcd tv/dvd-ram combination
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ORDER NO. ITD0409036C1
B19 Canada:B07
LCD TV/DVD-RAM Combination
TC-22LR30
© 2004 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
Unauthorized
copying
and
distribution is a violation of law.

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Summary of Contents for Panasonic TC-22LR30

  • Page 1 ORDER NO. ITD0409036C1 B19 Canada:B07 LCD TV/DVD-RAM Combination TC-22LR30 © 2004 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    TC-22LR30 CONTENTS Page Page 1 SAFETY PRECAUTIONS 6.1. REPLACEMENT PROCEDURES FOR THE BOARDS IN 1.1. GENERAL GUIDELINES THE LCD TV PORTION 1.2. LEAKAGE CURRENT COLD CHECK 6.2. REPLACEMENT PROCEDURES FOR THE BOARDS IN 1.3. LEAKAGE CURRENT HOT CHECK THE DVD PORTION...

  • Page 3: Safety Precautions

    TC-22LR30 1.2. LEAKAGE CURRENT COLD 1 SAFETY PRECAUTIONS CHECK 1.1. GENERAL GUIDELINES 1. Unplug the AC cord and connect a jumper between the two 1. IMPORTANT SAFETY NOTICE prongs on the plug. There are special components used in this equipment 2.

  • Page 4: Laser Product

    TC-22LR30 2 LASER PRODUCT CLASS I LASER PRODUCT · This equipment is certified to comply with DHHS Rules 21 Unplug the AC power cord to the equipment when opening the CFR Chapter 1, Subchapter J in effect as of date of top cover.

  • Page 5: Prevention Of Electrostatic Discharge (Esd) To

    TC-22LR30 3 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) DEVICES Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors are semiconductor "chip"...

  • Page 6: About Lead Free Solder (Pbf)

    TC-22LR30 4 ABOUT LEAD FREE SOLDER (PbF)

  • Page 7: Service Notes

    TC-22LR30 5 SERVICE NOTES 5.1. SELF DIAGNOSIS FEATURE FOR TV PORTION 5.1.1. Self Check Feature The confirmation of the problem´s existence and focusing on the cause will be possible by Self Diagnosis. 5.1.2. How to Display Press VOLUME- Button on the unit and SLEEP Button on the remote control unit at the same time.
  • Page 8 TC-22LR30 5.1.5. Display of Symptom and Remedy...

  • Page 9: Self Diagnosis For Power

    TC-22LR30 5.2. SELF DIAGNOSIS FOR POWER 5.2.1. Self Diagnosis for Power When an abnormal condition occurs in the Power Supply line, a Protection Circuit is activated and Power turns OFF. At that time, the defective line which tripped the Protection Circuit can be focused upon by the number of times the POWER Indicator flashes red on the Front of the unit.

  • Page 10: Dvd-Ram Self Diagnosis

    TC-22LR30 5.3. DVD-RAM SELF DIAGNOSIS The Self Diagnosis information is indicated on the Indication Panel on the Front of the unit.

  • Page 11: Dvd-Ram Service Mode

    TC-22LR30 5.4. DVD-RAM SERVICE MODE The information and condition of DVD-RAM Drive can be displayed on the Indication Panel. 5.4.1. How to enter DVD-RAM Service Mode During Power Off condition via the Remote Control Unit, press VOLUME+, OPEN/CLOSE and STOP buttons on the unit together for more than 5 seconds.
  • Page 12 TC-22LR30 5.4.3. Service Mode Table...
  • Page 13 TC-22LR30...

  • Page 14: Service Position

    TC-22LR30 5.5. SERVICE POSITION SERVICE POSITION (1)
  • Page 15 TC-22LR30 SERVICE POSITION (2) Extension Cable (RFKZ0214) M8-Board RD-Board Note: Use the Extension Cable (RFKZ0214) between the M8-Board and the RD-Board Extension Cable (RFKZ0214) has A/V Output Signal switches. Output signals can be switched from the M8-Board side or the RD-Board side.

  • Page 16: Wiring (Clampers & Leads)

    TC-22LR30 5.6. WIRING (CLAMPERS & LEADS)

  • Page 17: Kind Of Location Of The Flexible Cable And Connector

    TC-22LR30 5.7. KIND OF LOCATION OF THE FLEXIBLE CABLE AND CONNECTOR TV Portion 1 TV Portion 2 DVD Portion...
  • Page 18 TC-22LR30...

  • Page 19: How To Remove The Connector

    TC-22LR30 5.8. HOW TO REMOVE THE CONNECTOR...

  • Page 20: Chassis Board Layout

    TC-22LR30 5.9. CHASSIS BOARD LAYOUT...

  • Page 21: How To Remove A Disc When Eject Fail

    TC-22LR30 5.10. HOW TO REMOVE A DISC WHEN EJECT FAIL When installing each part, be careful not to over tighten the Screws. When using an electric driver, use one with an adjustable torque range. Using too much torque may damage the screw head so that it cannot be tightened.
  • Page 22 TC-22LR30 3. Remove 4 screws fixing Top Angle, 2 screws fixing Operation Angle and 2 screws fixing Fan Holder. And remove DVD Mechanism Unit with Bottom Angle. Note for installation: Bend the flexible cable connected with DVD Mechanism and then place it between DVD Mechanism and RD-Board.
  • Page 23 TC-22LR30 7. Take out the Disc handling it carefully so as not to damage the Disc.

  • Page 24: How To Replace Circuit Board Assemblies

    TC-22LR30 6 HOW TO REPLACE CIRCUIT BOARD ASSEMBLIES 6.1. REPLACEMENT PROCEDURES FOR THE BOARDS IN THE LCD TV PORTION 6.1.1. Before the replacement of the Boards in the LCD TV portion Remove the Back Cover Unit. When installing the Back Cover Unit, be careful not to over tighten the Screws. When using an electric driver, use one with an adjustable torque range.
  • Page 25 TC-22LR30 6.1.1.2. Replacement procedures for A-Board, TA-Board, L-Board When installing each Board, be careful not to over tighten the Screws. When using an electric driver, use one with an adjustable torque range. Using too much torque may damage the screw head so that it cannot be tighten.
  • Page 26 TC-22LR30...
  • Page 27 TC-22LR30 6.1.1.3. Replacement procedures for AP-Board When installing each Board, be careful not to over tighten the Screws. When using an electric driver, use one with an adjustable torque range. Using too much torque may damage the screw head so that it cannot be tighten.
  • Page 28 TC-22LR30 6.1.1.4. Replacement procedures for DG-Board When installing each Board, be careful not to over tighten the Screws. When using an electric driver, use one with an adjustable torque range. Using too much torque may damage the screw head so that it cannot be tighten.
  • Page 29 TC-22LR30 6.1.1.5. Replacement procedures for K-Board When installing each Board, be careful not to over tighten the Screws. When using an electric driver, use one with an adjustable torque range. Using too much torque may damage the screw head so that it cannot be tighten...
  • Page 30 TC-22LR30 6.1.1.6. Replacement procedures for P-Board When installing each Board, be careful not to over tighten the Screws. When using an electric driver, use one with an adjustable torque range. Using too much torque may damage the screw head so that it cannot be tighten.
  • Page 31 TC-22LR30 6.1.1.7. Replacement procedures for V-Board When installing each Board, be careful not to over tighten the Screws. When using an electric driver, use one with an adjustable torque range. Using too much torque may damage the screw head so that it cannot be tighten 6.1.1.8.
  • Page 32 TC-22LR30 6.1.1.9. Replacement procedures for LCD Panel Unit When installing each Board, be careful not to over tighten the Screws. When using an electric driver, use one with an adjustable torque range. Using too much torque may damage the screw head so that it cannot be tighten.
  • Page 33 TC-22LR30...

  • Page 34: Replacement Procedures For The Boards In The Dvd Portion

    TC-22LR30 6.2. REPLACEMENT PROCEDURES FOR THE BOARDS IN THE DVD PORTION 6.2.1. Replacement procedures for DVD Mechanism Unit Use the precise size screw driver for replacement or disassembly of Board. Using a screw driver head larger than the screw head...
  • Page 35 TC-22LR30...
  • Page 36 TC-22LR30 6.2.2. Replacement procedures of SR-Board, M8-Board and RD-Board Use the precise size screw driver for replacement or disassembly of Board. Using a screw driver head larger than the screw head may damage the screw head making tightening impossible.
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  • Page 43 TC-22LR30 6.2.3. Replacement procedures for SD-Board, OP-Board Use the precise size screw driver for replacement or disassembly of Board. Using a screw driver head larger than the screw head may damage the screw head making tightening impossible. Some pieces of Non-fabric material are used to fix flexible cables. If necessary, remove the Non-fabric material carefully because...
  • Page 44 TC-22LR30...
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  • Page 46 TC-22LR30 6.2.4. Replacement Procedures for Fan Use the precise size screw driver for replacement or disassembly of Board. Using a screw driver head larger than the screw head may damage the screw head making tightening impossible.
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  • Page 49: Adjustment Procedures

    TC-22LR30 7 ADJUSTMENT PROCEDURES 7.1. SERVICE FIXTURES AND TOOLS...
  • Page 50 TC-22LR30...

  • Page 51: Schematic Diagrams

    TC-22LR30 8 SCHEMATIC DIAGRAMS 8.1. INTERCONNECTION SCHEMATIC DIAGRAM INTERCONNECTION SCHEMATIC DIAGRAM IMPORTANT SAFETY NOTICE: COMPONENTS IDENTIFIED BY THE SIGN HAVE SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS, NOTE: For placing a purchase order of the parts, USE ONLY THE SPECIFIED PARTS.
  • Page 52 TC-22LR30...

  • Page 53: Block Diagrams

    TC-22LR30 9 BLOCK DIAGRAMS OVERALL BLOCK DIAGRAM CIRCUIT BOARD A (INPUT SWITCHING/AUDIO OUTPUT C.B.A.) CIRCUIT BOARD DG (DIGITAL CORE C.B.A.) LCD PANEL UNIT IC3101 IC4011 IC4002 MAIN VIDEO IC4017 VIDEO IN1 VIDEO IN 1 SIGNAL PROCESS DATA BUS (32bit) 64M SDRAM...
  • Page 54 TC-22LR30...

  • Page 55: Exploded Views

    TC-22LR30 10 EXPLODED VIEWS 10.1. LCD SECTION (1)
  • Page 56 TC-22LR30 10.2. LCD SECTION (2)

  • Page 57: Main Chassis Section

    TC-22LR30 10.3. MAIN CHASSIS SECTION...

  • Page 58: Dvd Section

    TC-22LR30 10.4. DVD SECTION...

  • Page 59: Packing Parts And Accessories Section

    TC-22LR30 10.5. PACKING PARTS AND ACCESSORIES SECTION...

  • Page 60: Replacement Parts Lists

    LXQJH01TC30 TUNER COVER ASS´Y TKZC5025 LCD MOUNT MTG(T) a. Parts with mark "SPC" in the Remarks column are TKZC5026 LCD MOUNT MTG(B) supplied from Spare Parts Center of Panasonic AVC LSKF0572 CABINET SUPPORT Company. LSMA0754 TILT SUPPORT ANGLE LSGK0157 BARRIER b.

  • Page 61: Service Fixtures And Tools Replacement

    TC-22LR30 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks LSJW0080 FLEXIBLE FLAT CABLE W/OUT XTW3+W5P TAPPING SCREW,STEEL PLUG XTW3+10Q TAPPING SCREW,STEEL LSEK0600 CONNECTOR CABLE W/PLUG XSN3+3 SCREW,STEEL LSJW0085 FLEXIBLE FLAT CABLE W/OUT...
  • Page 62 TC-22LR30 Ref. Part No. Part Name & Description Remarks TNPA3162AB CIRCUIT BOARD DV (HDMI C.B.A. E.S.D. E100 LSEP2170B CIRCUIT BOARD (TOP 1 RTL OPERATION C.B.A.) E110 LSEP2171B CIRCUIT BOARD (DVD MAIN C.B.A.) E.S.D. E120 LSEP2175A CIRCUIT BOARD (DVD 4 RTL OPERATION C.B.A.)

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