Panasonic TH-65BFE1W Service Manual
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Panasonic TH-65BFE1W Service Manual

Touch screen lcd display
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This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It dose not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
vice or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
IMPORTANT SAFETY NOTICE
There are special components used in this equipment which are important for safety. These parts are marked by 7 in the schematic
diagram, circuit board diagrams, exploded views and replacement parts list. It is essential that these critical parts should be replaced
with manufacturer's specified parts to prevent shock, fire, or other hazards. Do not modify the original design without permission of
manufacturer.
For replacemant parts and exploded view, refer to the separated manual "PARTS LIST".
Model No.
WARNING

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Summary of Contents for Panasonic TH-65BFE1W

  • Page 1 Model No. WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It dose not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. vice or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

  • Page 2: Table Of Contents

    PREFACE <65BFE1W> CONTENTS 1. Safety Precautions 2. Warning 3. Specifications SECTION 1 SERVICE INFORMATION 1. Name of each part 2. Notes on Service 3. Service Mode 4. Troubleshooting Guide SECTION 2 DISASSEMBLY PROCEDURES 1. Parts Locations SECTION 3 ADJUSTMENTS 1. Software Update Procedures SECTION 4 DIAGRAMS 1.
  • Page 3 PREFACE <65BFE1W> TH-50LFC70U/TH-50LFC70W 1.1. General Guidelines 1. When conducting repairs and servicing, do not attempt to modify the equipment, its parts or its materials. 2. When wiring units (with cables, flexible cables or lead wires) are supplied as repair parts and only one wire or some of the wires have been broken or disconnected, do not attempt to repair or re-wire the units.
  • Page 4 PREFACE <65BFE1W> 1.3. Touch-Current Check (for TH-50LFC70W) 1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check. 2. Connect a measuring network for touch currents between each exposed metallic part on the set and a good earth ground such as a water pipe, as shown in Figure 1.
  • Page 5 PREFACE <65BFE1W> TH-50LFC70U/TH-50LFC70W 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensi- tive (ES) Devices (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec- trostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor “chip”...
  • Page 6 <65BFE1W> TH-50LFC70U/TH-50LFC70W 2.2. About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.
  • Page 7 PREFACE <65BFE1W>...
  • Page 8 PREFACE <65BFE1W>...

  • Page 9: Name Of Each Part

    1. Name of each part ......... INF-2 1.1.
  • Page 10 SECTION 1 SERVICE INFORMATION <65BFE1W> Some of the pages on this section are excerpted from the owner's 1.1. Display body manual, thus the reference page numbers on pages indicate those for owner's manual .
  • Page 11 SECTION 1 SERVICE INFORMATION <65BFE1W>...
  • Page 12 SECTION 1 SERVICE INFORMATION <65BFE1W> 1.2. Connecting terminals...
  • Page 13 SECTION 1 SERVICE INFORMATION <65BFE1W> 1.3. Remote controls...
  • Page 14 SECTION 1 SERVICE INFORMATION <65BFE1W>...
  • Page 15 SECTION 1 SERVICE INFORMATION <65BFE1W>...
  • Page 16 SECTION 1 SERVICE INFORMATION <65BFE1W> 2.1. Before service operation 2.1.1. LCD panel module 1. Although an LCD panel module is a product of high-precision technology, some of the pixels on the image may be missing or constantly lit. Please note that this is not a failure. 2.
  • Page 17 SECTION 1 SERVICE INFORMATION <65BFE1W> 3.1. How to display Service mode [ Caution ] If you execute the "Aging mode" while the 65BFE1 is key lock mode, you can not cancel aging mode. Please unlock "Key lock mode" or Update firmware to "Ver. 1.05.01" or later". n To display the Service mode 1.
  • Page 18 SECTION 1 SERVICE INFORMATION <65BFE1W> 3.2. Service mode - Display Information Display Information Item Select Function Remarks Model Name Show the model name SW Version Show the Software version Manufacture time Data/Time of build Softwae Panel Information Panel name (Factory use only) Serial number Serial number 3.3.
  • Page 19 When this item is executed, "Total working time" is reset in addition to "All user setting reset" item. Market Select Select the model setting. After changing "Martket 0: TH-65BFE1J Select", execute "All user 3: TH-65BFE1W reset" and reset the "user menu" etc.
  • Page 20 SECTION 1 SERVICE INFORMATION <65BFE1W> 4.1. Power LED Indication In the power LED, you can view the status of the Flat Panel. Condition LED (Red) LED (Green) Remark Power On Power Off Power Off when Schedule function is enable Software update when AC On Blink Over safe temperature Blink...
  • Page 21 SECTION 1 SERVICE INFORMATION <65BFE1W> 4. 2. Troubleshooting flow Start 1.Check adapter AC socket to Flat Panel. 2.Check cable connection between power board and Power On OK? main board. 3.Check power board VCC. 1.Check cable connection between main board and Backlight OK? Power Board.
  • Page 22 1. Parts Locations ......... . .DIS-2 1.1.

  • Page 23: Section 2 Disassembly Procedures

    SECTION 2 DISASSEMBLY PROCEDURES <65BFE1W> 1.1. Electrical parts location (P.C. Modules) Converter Module P Module A Module KEY Module T-CON Module IR Module Module Function Remark Digital Signal Processor AV in, PC in, HDMI 1/2 in, DVI in, Serial in, USB, IR in, A Module AUDIO in/out Non serviceable.

  • Page 24: Precautions

    SECTION 2 DISASSEMBLY PROCEDURES <65BFE1W> 2.1. Precautions TH-50LFB70U/TH-50LFB70W * Before Disassembling, turn the display off and disconnect the power plug from the wall outlet. * When tore off sticky tapes, please use a new thing without reusing it on the occasion of assembling. TH-65LFB70U/TH-65LFB70W 7.2.

  • Page 25: Replacement Of Lcd Panel And Front Glass

    SECTION 2 DISASSEMBLY PROCEDURES TH-50LFB70U/TH-50LFB70W <65BFE1W> 2.3. Replacement of LCD Panel and Front Glass Attention when removing LCD Panel • Please work putting a glove. Caution about LCD Panel • When replacing the LCD module, please work to be aware of the following. In case of replacing the LCD panel module on the floor, gently place it on the flat floor which has a soft and cushioned surface.
  • Page 26 SECTION 2 DISASSEMBLY PROCEDURES <65BFE1W> TH-50LFB70U/TH-50LFB70W Note: Do not twist the LCD panel module.
  • Page 27 TH-50LFB70U/TH-50LFB70W SECTION 2 DISASSEMBLY PROCEDURES <65BFE1W>...

  • Page 28: Wiring Connections

    SECTION 2 DISASSEMBLY PROCEDURES <65BFE1W> 2.4. Wiring connections 2.4.1 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. 2.4.2.
  • Page 29 1. Software Update Procedures ....... ADJ-2 1.1. Software Update Procedures...

  • Page 30: Section 3 Adjustments

    SECTION 3 ADJUSTMENTS <65BFE1W> 1.1. Software Update Procedure 1.1.1. Tool 1. USB memory : It stores a file for updating. (FAT 16 format or FAT 32 format) 2. Updating file : TH-65BFE1_Vx.xx.xx_yyyyyyyy.bin TH-65BFE1_Vx.xx.xx_yyyyyyyy.bin (Ex. TH-65BFE1_V1.00.00_20170607.bin) 1.1.2. Preparation 1. Download the updating file (ZIP file) from the service web site. 2.
  • Page 31 1. Block Diagrams ......... . .DIA-2 1.1.

  • Page 32: Section 4 Diagrams

    SECTION 4 DIAGRAMS <65BFE1W> Important Safety Notice Components identified by the international symbol 7 have special characteristics important for safety. When replacing any of these components, use only the manufacturer's specified ones. ■ Notes 1. HOT and COLD indications The power circuit board contains a circuit area using a separate power supply to isolate the ground connection. The circuit is defined by HOT and COLD indications in the schematic diagram.
  • Page 33 SECTION 4 DIAGRAMS <65BFE1W> 1.1. Overall...
  • Page 34 SECTION 4 DIAGRAMS <65BFE1W> 1.2. P module...

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