Panasonic TH-55LFV50U Service Manual
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Panasonic TH-55LFV50U Service Manual

Full hd lcd display
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ORDER NO.ITD1210048CE
B32 Canada: B61
FULL HD LCD Display
TH-55LFV50U
Model No.
©Panasonic Corporation 2012.
Unauthorized copying and distribution is a
violation of law.

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Summary of Contents for Panasonic TH-55LFV50U

  • Page 1 ORDER NO.ITD1210048CE B32 Canada: B61 FULL HD LCD Display TH-55LFV50U Model No. ©Panasonic Corporation 2012. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Page 1 Important Safety Instructions -------------------------------------------------------------------------------- 3 2 Warning ------------------------------------------------------------------------------------------------------------- 4 3 Service Navigation ----------------------------------------------------------------------------------------------- 6 3.1. Service Hint -------------------------------------------------------------------------------------------------- 6 3.2. Applicable signals ------------------------------------------------------------------------------------------ 7 4 Specifications ----------------------------------------------------------------------------------------------------- 8 5 Troubleshooting Guide ---------------------------------------------------------------------------------------- 10 5.1 No Power ---------------------------------------------------------------------------------------------------- 10 5.2 Abnormal Display ------------------------------------------------------------------------------------------ 11 5.3 No Display --------------------------------------------------------------------------------------------------- 12 6 Disassembly and Assembly Instructions --------------------------------------------------------------- 13...

  • Page 3: Important Safety Instructions

    1 Important Safety Instructions 1) Read these instructions. 2) Keep these instructions. 3) Heed all warnings. 4) Follow all instructions. 5) Do not use this apparatus near water. 6) Clean only with dry cloth. 7) Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8) Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifliers) that produce heat.

  • Page 4: Warning

    This LCD Display is for use only with the following optional accessories. Use with any other type of optional accessories may cause instability which could result in the possibility of injury. (All of the following accessories are manufactured by Panasonic Corporation.) • Remote Control Kit........TY-RM50VW •...
  • Page 5 an accident that results in death or serious injury. Furthermore, when installing on a wall, a UL standard certified wall hanging bracket (VESA 400 × 400) must be used. An apparatus with CLASS I construction shall be connected to a mains socket outlet with a protective ear thing connection.

  • Page 6: Service Navigation

    3 Service Navigation 3.1 Service Hint Sensor BOARD Power Board Main Board IR Connector Board Key Board IR Board Board Name Function Remarks Speaker out, AV Terminal, HDMI in, SD Card, Main Board PC in, Digital Signal Processor, Nile-Tcon, Tuner IR Board Remote Receiver, LED All boards are non serviceable...

  • Page 7: Applicable Signals

    3.2. Applicable signals VGA Resolution: SDTV Resolution: HDTV Resolution: • The PC text quality is optimum in HD 1080 mode (1920 x 1080, 60Hz). • Your PC display screen might appear different depending on the manufacture (and your particular version of Windows).

  • Page 8: Specifications

    4 Specifications Display Item Specifications Screen Size 55” LCD Active Screen Size 54.64 inches (1387.80 mm) diagonal Aspect Ratio 16:9 Number of pixels 1920 (H) x 1080 (V) Pixel Pitch 0.630 (H) x 0.630 (V) [mm], 0.0248 (H) x 0.0248 (V) [inch] Displayable Colors 10 Bit (D), 1.06 Billion colors Brightness (typical)
  • Page 9 General: Item Specifications Power Supply 110 - 127 V AC, 50/60 Hz Power Consumption (Max) 320 W Power Consumption (Standby) <0.5 W Power Consumption (Saving) <2 W Dimensions [W x H x D] 1215.5 x 686.3 x 121.2 mm, 47.85” x 27.02” x 4.77” Weight 36 kg, 79.3 lbs Gross Weight...

  • Page 10: Troubleshooting Guide

    5. Troubleshooting Guide 5.1 No Power No power (LED “Off”) Check the AC input and Power “On” the power is “ON”? Power board CN924 Pin Replace the Power board 3/4 output=5V? 1. RC can turn on the TV and Key can’t, replace the key board.

  • Page 11: Abnormal Display

    5.2 Abnormal Display Abnormal Display Check the OSD is Enter factory mode Reset   normal? to Reset Replace LVDS Cable Replace the main board Replace the main board Replace the panel  ...

  • Page 12: No Display

    5.3 No Display No display (LED No power) Check TV is under control and power Replace the main board on/off by remote control and   power key? Check the backlight is “On”? Check the LVDS cable   CN422 Pin 13/14 =5V CN405 Pin 1/2/3 =12V? CN405 Pin 5/6/7 =24V? Reinsert or replace the...

  • Page 13: Disassembly And Assembly Instructions

    6. Disassembly and Assembly Instructions  ...
  • Page 14 1. Remove the screws to remove the rear cover.  ...
  • Page 15  ...
  • Page 16 2. Remove the Key Board and IR board  ...
  • Page 17 3. Remove the screws to remove the BKT. 4. Unplug these connectors and cable clip.  ...
  • Page 18 5. Remove the screws to remove Main board, power board and IR Connector board. 6. Remove the mainframe. B B B  ...
  • Page 19 7. Remove the Fan and Sensor Board. 8. Remove the BKT  ...
  • Page 20 9. Panel  ...

  • Page 21: Block Diagram

    7 Block Diagram 7 Block Diagram 7 Block Diagram 7 Block Diagram 7 Block Diagram 7 Block Diagram 7 Block Diagram 7 Block Diagram 7 Block Diagram 7 Block Diagram 7 Block Diagram Main Board Main Board Main Board Main Board Main Board Main Board Main Board...

  • Page 22: Wiring Connection Diagram

    8 Wiring Connection Diagram 8.1. Caution statement. Caution: Please confirm that all flexible cables are assembled correctly. Also make sure that they are locked in the connectors. Verify by giving the flexible cables a very slight pull. 8.2. Wiring ① ②...

  • Page 23: Exploded View And Replacement Parts List

    9 Exploded View and Replacement Parts List 9.1. Exploded View  ...

  • Page 24: Replacement Parts List

    9-2. Replacement Parts List Safety Ref.No. Part No. Part Name & Description Remarks TZZ00000683A LCD Panel TZZ00000661A TZZ00000687A Sensor Board TZZ00000686A Power Board TZZ00000688A IR Conector Board TZZ00000684A Main Board-CBPCCS22XQ1 TZZ00000696A REAR_COVER_SIDE TZZ00000690A Key Board TZZ00000685A Key Pad TZZ00000698A REAR_COVER_BTM TZZ00000689A IR Board TZZ00000697A...

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