Panasonic TX-P50VT65B Service Manual
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Panasonic TX-P50VT65B Service Manual

Panasonic TX-P50VT65B Service Manual

Gpf16d-e chassis
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TX-P50VT65B
Model No.
GPF16D-E Chassis
© Panasonic Corporation 2013.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.PCZ1303055CE
Plasma Television

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Summary of Contents for Panasonic TX-P50VT65B

  • Page 1 ORDER NO.PCZ1303055CE Plasma Television TX-P50VT65B Model No. GPF16D-E Chassis © Panasonic Corporation 2013. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions -----------------------------------------------3 1.1. General Guidelines ----------------------------------------3 1.2. Touch-Current Check--------------------------------------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.

  • Page 3: Safety Precautions

    1 Safety Precautions 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: Warning

    2 Warning 2.1. 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 and semiconductor [chip] components.

  • Page 5: About Lead Free Solder (Pbf)

    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 6: Service Navigation

    3 Service Navigation 3.1. PCB Layout Board Name Function Power Supply Main AV input, processing Remote receiver, Power LED, C.A.T.S sensor Data Driver (Lower Right) Data Driver (Lower Center) Data Driver (Lower Left) Scan Drive Sustain Drive Sustain out (Lower) Scan out (Upper) Non serviceable.

  • Page 7: Specifications

    NTSC disc playback from DVD player and recorder. M.NTSC Playback from M.NTSC Video recorders (VCR). NTSC (AV input only) Playback from NTSC Video recorders (VCR). • Check the latest information on the available services at the following website. http://panasonic.net/viera/support...
  • Page 8 Liquid Crystal Shutter 0 °C - 40 °C Usage temperature range Battery Coin-shaped lithium battery CR2025 Operation time: Approx. 75 hours in continuous use of the battery made by Panasonic Materials Main body: Resin Lens section: Liquid crystal glass Electronic Touch Pen Dimensions Length: 186.7 mm...

  • Page 9: Technical Descriptions

    One-to-One CI Plus DTCP-IP WIDEVINE Netflix (For USB Rec.) TX-P50VT65B 5.2. USB HDD Recording 5.2.1. General information: Digital TV programmes can be recorded in USB HDD. A One-to-One key generated in A-board by SELF CHECK binds TV and USB-HDD for communication.

  • Page 10: Service Port (M3 Mini Jack) Specifications

    5.3. Service port (M3 mini Jack) Specifications The Service port (M3 mini Jack) on the following TVs can use as the RS232C terminal which is a standard computer SERIAL interface. *This operation system should be used by the certified professional dealer. PC Control of the TV •...
  • Page 11 Main, Input & Picture Control Command Control Inquiry Call back Parameter note Command Command Command STANDARD POWER ON QPW : * "0"(OFF)/ "1"(ON) CONTROL POWER OFF (level) AVL: *** QAV : *** "000" - "100" (up) (down) MUTE AMT (Toggle) QAM : * "0"(NO MUTED) / "1"(MUTED)
  • Page 12 Else & Remote Controller Key Command Control Inquiry Call back Parameter note Command Command Command LAST VIEW Information QIF : ***** 480i 480p 576i 576p 720p 1080i 1080p DIRECT CH ICH : 0 INPUT ICH : 1 ICH : 2 ICH : 3 ICH : 4 ICH : 5...

  • Page 13: Service Mode

    6 Service Mode 6.1. How to enter into Service Mode 6.1.1. Purpose After exchange parts, check and adjust the contents of adjustment mode. While pressing [VOLUME ( - )] button of the main unit, press [RED] button of the remote control three times within 2 seconds. Note: Service Mode can not be entered when 3D signal input.
  • Page 14 6.1.4. Contents of adjustment mode • Value is shown as a hexadecimal number. • Preset value differs depending on models. • After entering the adjustment mode, take note of the value in each item before starting adjustment. Main item Sub item Sample Data Remark ADJUST...

  • Page 15: Option - Mirror

    6.2. Option - Mirror Picture can be reversed left and right or up and down. 00 : Default (Normal picture is displayed) 01 : Picture is reversed left and right. 02 : Picture is reversed up and down. Hint : If the defective symptom (e.g. Vertical bar or Horizontal bar) is moved by selection of this mirror, the possible cause is in A-board.

  • Page 16: Drv Check - Usbhdd Check

    6.4. DRV Check - USBHDD Check 1. Select [DRV Check - USBHDD Check] in Service Mode. 2. Press [OK] button on the remote control for more than 3 seconds. 6.5. Hotel mode 1. Purpose Restrict a function for hotels. Item Function 2.

  • Page 17: Data Copy By Usb Memory

    6.6. Data Copy by USB Memory Note: SD card can not be used for Data Copy. 6.6.1. Purpose (a) Board replacement (Copy the data when exchanging A-board): When exchanging A-board, the data in original A-board can be copied to USB Memory and then copy to new A-board. (b) Hotel (Copy the data when installing a number of units in hotel or any facility): When installing a number of units in hotel or any facility, the data in master TV can be copied to USB Memory and then copy to other TVs.
  • Page 18 6.6.3. Data copy from TV set to USB Memory 1. Turn on the TV set. 2. Insert USB Memory with a startup file (pwd file) to USB terminal. On-screen Display will be appeared according to the startup file automatically. 3. Input a following password for (a) or (b) by using remote control. (a) For Board replacement : 2770 (b) For Hotel : 4850 Data will be copied from TV set to USB Memory.
  • Page 19 6.6.4. Data copy from USB Memory to TV set 1. Turn on the TV set. 2. Insert USB Memory with Data to USB terminal. On-screen Display will be appeared according to the Data folder automatically. 3. Input a following password for (a) or (b) by using remote control. (a) For Board replacement : 2771 (b) For Hotel : 4851 Data will be copied from USB Memory to TV set.

  • Page 20: Troubleshooting Guide

    7 Troubleshooting Guide Use the self-check function to test the unit. 1. Checking the IIC bus lines 2. Power LED Blinking timing 7.1. Check of the IIC bus lines 7.1.1. How to access 7.1.1.1. Self-check indication only: Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control for more than 3 seconds.

  • Page 21: Power Led Blinking Timing Chart

    7.2. Power LED Blinking timing chart 1. Subject Information of LED Flashing timing chart. 2. Contents When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the defective block can be identified by the number of blinks of the Power LED on the front panel of the unit. Blinking Times Contents Check point...

  • Page 22: No Power

    7.3. No Power First check point There are following 3 states of No Power indication by power LED. 1. No lit 2. Green is lit then turns red blinking a few seconds later. (See Power LED Blinking timing chart) 3. Only red is lit. 7.4.

  • Page 23: Local Screen Failure

    7.5. Local screen failure Plasma display may have local area failure on the screen. Fig-1 is the possible defect P.C.B. for each local area. Fig-1...

  • Page 24: Service Fixture & Tools

    8 Service Fixture & Tools 8.1. SC jig Purpose: To find the failure board (SC or SU/SD) when the power LED is blinking 7 times. SC jig: Jumper connector to connect to SC50 connector on SC board Part number: TZSC09187 How to use: Caution: Remove SC jig from SC board after inspection.

  • Page 25: Disassembly And Assembly Instructions

    9 Disassembly and Assembly Instructions 9.1. Disassembly Flow Chart for the Unit This is a disassembly chart. When assembling, perform this chart conversely.

  • Page 26: Disassembly Procedure For The Unit

    9.2. Disassembly Procedure for the Unit 9.2.1. Remove the Pedestal stand 9.2.4. Remove the Wi-Fi module 1. Remove the Plasma panel section from the servicing 1. Remove the screw (×1 ) and remove the Wi-Fi stand and lay on a flat surface such as a table (covered module.
  • Page 27 9.2.7. Remove the Rear cover 9.2.9. Remove the A-Board , ×2 1. Unlock the hooks and the tapes to free the cables. 1. Remove the screws (×27 2. Disconnect the connectors (A1, A6, A8A and A12). 2. Remove the M8 caps (×4 3.
  • Page 28 9.2.10. Remove the Control unit assy 9.2.12. Remove the Woofer 1. Unlock the tape to free the cables. 1. Unlock the hooks and the tapes to free the cables. 2. Disconnect the connector (C14). 2. Disconnect the Relay connector. 3. Remove the claws (×2 ) and remove the Control unit 3.
  • Page 29 9.2.14. Remove the Fan 9.2.16. Remove the SD-Board 1. Unlock the hooks and the tapes to free the cables. 1. Disconnect the flexible cables (SD1, SD2, SD3, SD4 and SD5) connected to the SD-Board. 2. Remove the screws (×3 each). 2.
  • Page 30 9.2.18. Work instructions for the Rubber 9.2.20. Work instructions for the Rubber sheet for SC-Board sheet for SS-Board 1. Rubber sheets are put between the board and rear cover 1. Rubber sheets are put between the board and rear cover for EMC requirement and heat radiation.
  • Page 31 9.2.23. Remove the Metal bracket bottom 9.2.25. Remove the Cabinet assy from the Plasma panel section , ×2 1. Remove the screws (×4 ) and the Metal bracket bottom. 1. Remove the Plasma panel section from the servicing stand and lay on a flat surface such as a table (covered by a soft cloth) with the Plasma panel surface facing download.
  • Page 32 9.2.27. Remove the C1-Board 9.2.30. Replace the Plasma panel 1. Disconnect the flexible cables (CB1, CB2, CB3, CB4 and Caution: Remove the Plasma panel section from the servicing CB5). stand and lay on a flat surface such as a table (covered 2.

  • Page 33: Measurements And Adjustments

    10 Measurements and Adjustments 10.1. Adjustment 10.1.1. Vsus selection Caution: When Plasma panel or A-board is replaced, Vsus should be set to LOW or HIGH. Procedure 1. Go into main item [VSUS] in Service Mode. LOW or HIGH will be displayed. 2.
  • Page 34 10.1.2. White balance adjustment Name of measuring instrument Remarks Color analyzer (Minolta CS-2000 or equivalent) Procedure Remarks 1. Enter the Service mode. 2. Receive the Analog-RF (except for no signal) or set CVBS/YUV/HDMI (no signal is available). 3. Select [WB-ADJ] by using [1] and [2] key in the remote controller. 4.

  • Page 35: Block Diagram

    11 Block Diagram 11.1. Main Block Diagram MAIN AV INPUT,PROCESSING HDMI1-3 (HDMI2) Parallel_TS(SAT) TMDS DATA ETHERNET DATA SAT_TUNER ETHERPHY ETHERNET HDMI I/F LAN CON I/F ARCOUT IF_P/N_M/S TV_TUNER IF_P/N_M/S SD CARD DATA Parallel_ SD CARD I/F SD CARD DVB-T2 TS(FE) DEMOD.

  • Page 36: Block (1/4) Diagram

    11.2. Block (1/4) Diagram JK8600 SPEAKER_L SPEAKER_R WOOFER SD CARD D3101 DIGITAL JK8602 JK8603 JK8606 JK8607 JK8601 JK8605 JK4701A JK4702A JK4703A AUDIO TU6708 TU6707 USB3-HDD USB1 CAMERA USB2 WiFi ETHERNET MAIN AV INPUT,PROCESSING TER IN SAT IN HDMI1 HDMI2 HDMI3 TV_TUNER SAT_TUNER LNB POWER...

  • Page 37: Block (2/4) Diagram

    11.3. Block (2/4) Diagram JK3103 RS-232C MAIN AV INPUT,PROCESSING X9500 IC3851 20MHz RS232C IC9500 DRIVER IC9300 PD6H STB3.3V LVDS DATA LVDS DATA LVDS RX LVDS TX IC9503 VIDEO DATA GCX1.1V PLASMA AI SYSTEM_BUS GCX1.1V DCDCGCX F15V VIDEO DATA LVDS DATA SYSTEM_BUS PA2001 H/V Sync Control...

  • Page 38: Block (3/4) Diagram

    11.4. Block (3/4) Diagram POWER SUPPLY COLD COLD Q300-Q303 D105 F102 Q600 RESONANCE T301 D600 Q100 IC600 L100 Q101 L101 T303 CONTROL ERROR DET Q102 Q103 T302 Q701 D700 Q702 IC100 Q601 D704 IC300 DRIVER Vsus Q602 Vsus RESONANCE CONTROL D302 SS11 Q004...

  • Page 39: Block (4/4) Diagram

    11.5. Block (4/4) Diagram SCAN DRIVE SCAN OUT (UPPER) SUSTAIN DRIVE Reference Voltage SRV_VF5V TPVSUS Vsus Lo : 213V SRV_VSUS Vsus Hi : 218V IC16784,85 Reference Voltage IC14601-03 Vsus Vad = 200 5V(VFG_BASE) PC16897 Reference Voltage SRV_VFO Vsus Lo : 213V SVR_VSUS TPVSUS IPD CIRCUIT...

  • Page 41: Wiring Connection Diagram

    12 Wiring Connection Diagram 12.1. 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. 12.2. Wiring (1)

  • Page 42: Wiring (2)

    12.3. Wiring (2)

  • Page 43: Wiring (3)

    12.4. Wiring (3)

  • Page 44: Wiring (4)

    12.5. Wiring (4)

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