Panasonic TC-L55ET5-1 Service Manual
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Panasonic TC-L55ET5-1 Service Manual

55 inch class 1080p lcd hdtv
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Please file and use this manual together with the service manual for Model No. TC-L55ET5,
Order No. MTNC120315CE.
1 Different points
1.1.
Electrical Replacement List
Ref. No.
TC-L55ET5
PCB
TXN/P1SJUU
PCB
TXNGK1SJUU
NOTE: These boards are forward and backward compatible, Parts No. is different because they were made by different vendors.
Parts No.
TC-L55ET5-1
TXN/P1SJUUP
TXNGK1SJUUP
55 inch Class 1080p LCD HDTV
TC-L55ET5-1
Model No.
LA35 Chassis
Parts name & Description
CIRCUIT BOARD P
CIRCUIT BOARD GK
© Panasonic Corporation 2012.
Unauthorized copying and distribution is a violation
of law.
ORDER NO. MTNC121064AE
B32 Canada: B61
Pcs
Remarks
1
PAVCA (RTL)
1
PAVCA (RTL)

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Summary of Contents for Panasonic TC-L55ET5-1

  • Page 1 PAVCA (RTL) TXNGK1SJUU TXNGK1SJUUP CIRCUIT BOARD GK PAVCA (RTL) NOTE: These boards are forward and backward compatible, Parts No. is different because they were made by different vendors. © Panasonic Corporation 2012. Unauthorized copying and distribution is a violation of law.
  • Page 2 ORDER NO.MTNC120315CE B32 Canada: B61 55 inch Class 1080p LCD HDTV TC-L55ET5 Model No. LA35 Chassis © Panasonic Corporation 2012. Unauthorized copying and distribution is a violation of law. Ver.1...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions -----------------------------------------------3 1.1. General Guidelines ----------------------------------------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. PCB Layout --------------------------------------------------6 4 Specifications ------------------------------------------------------7 5 Technical Descriptions------------------------------------------8 5.1.

  • Page 4: Safety Precautions

    1 Safety Precautions 1.1. General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 5: 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 6: 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 7: Service Navigation

    3 Service Navigation 3.1. PCB Layout Board Name Function A-Board Main K-Board Remote Receiver, LED, Cat's eye P-Board Power supply GK-Board Power switch, Control Button...

  • Page 8: Specifications

    Dimensions (W × H × Overall length) Mass Approx. 0.64 oz (Approx. 18 g) • Use Panasonic 3D Eyewear supporting passive 3D system technology. Note Design and Specifications are subject to change without notice. Mass and Dimensions shown are approximate.

  • Page 9: Technical Descriptions

    5 Technical Descriptions 5.1. Specification of KEY for DTCP-IP, WMDRM and Widevine 5.1.1. General information: 1. EEPROM (IC8902) for spare parts has the seed of KEY for each DTCP-IP for DLNA, WMDRM for Netflix and Widevine for CinemaNow. 2. The final KEY data will be generated by Peaks IC (IC8000) when SELF CHECK was done and are stored in both Peaks IC (IC8000) and EEPROM (IC8902).

  • Page 10: 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 [INFO] button of the remote control three times within 2 seconds. 6.1.2.

  • Page 11: Srv-Tool

    6.2. SRV-TOOL 6.2.1. How to access 1. Select [SRV-TOOL] in Service Mode. 2. Press [OK] button on the remote control. 6.2.2. Display of SOS History SOS History (Number of LED blinking) indication. From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment. This indication except 2nd and 1st occurrence after shipment will be cleared by [Self-check indication and forced to factory shipment setting].

  • Page 12: Hotel Mode

    6.3. Hotel mode 1. Purpose Restrict a function for hotels. Item Function 2. Access command to the Hotel mode setup menu Mode Select hotel mode off/on In order to display the Hotel mode setup menu: Input Select input signal modes. While pressing [VOLUME (-)] button of the main unit, Set the input, when each time power is switched on.

  • Page 13: Data Copy By Sd Card

    6.4. Data Copy by SD Card 6.4.1. 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 SD card 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 SD card and then copy to other TVs.
  • Page 14 6.4.3. Data copy from TV set to SD Card 1. Turn on the TV set. 2. Insert SD card with a startup file (pwd file) to SD slot. 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 SD card.
  • Page 15 6.4.4. Data copy from SD Card to TV set 1. Turn on the TV set. 2. Insert SD card with Data to SD slot. 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 SD card to TV set.

  • Page 16: 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 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 17: 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 18: Disassembly And Assembly Instructions

    8 Disassembly and Assembly Instructions 8.1. Disassembly Flow Chart for the Unit This is a disassembly chart. When assembling, perform this chart conversely. 8.2. Disassembly Procedure for the Unit 8.2.1. Pedestal 8.2.2. WiFi dongle 1. Lay down the unit so that the rear cover faces upward. 1.

  • Page 19: Back Cover

    8.2.3. Back cover 8.2.5. A-Board 1. Remove the 23 screws (A). 1. Remove the 2 screws. 2. Remove the 17 screws (B). 2. Remove the metal AV bracket bottom. 3. Remove the 4 M6 CAPs. 4. Remove the Back cover. 3.
  • Page 20 7. Remove the A-Board. 3. Remove the 6 screws. 4. Remove the bottom metal. 5. Remove the 4 locking tabs. 8. Remove the 4 screws. 6. Disconnect the connector (K10). 9. Remove the metal CH frame. 7. Remove the K-Board. 8.2.7.
  • Page 21 8.2.9. WiFi metal 3. Remove the 2 screws. 4. Disconnect the connector (GK4). 1. Remove the 1 screw. 5. Remove the GK-Board and the key button. 2. Remove the WiFi metal, the USB Cable and the USB cable bracket. 8.2.8. Speaker unit L/R 1.
  • Page 22 8.2.11. Cabinet and LCD panel 1. Remove the cabinet and the LCD panel.
  • Page 23 EMI processing 8.2.12.

  • Page 33: Measurements And Adjustments

    9 Measurements and Adjustments 9.1. Voltage chart of P-board VOLTAGE TEST POINT SPECIFICATION TP7412,7507 5.3V±0.1V TP7508,7514 16.1V±0.6V TP7512,7513 24V±1.2V 9.2. Voltage chart of A-board VOLTAGE TEST POINT SPECIFICATION PANEL12V TP4004/TP4005 11.45V - 12.55V USB_5V TP5440 4.94V - 5.40V SUB5V TP5420 4.95V - 5.65V SUB3.3V TP5400...

  • Page 34: Block Diagram

    10 Block Diagram 10.1. Main Block Diagram MAIN NAND NAND FLASH SD CARD DATA SD IF SD CARD SLOT SUB3.3V IFD_OUT DDR3 TUNER SIF_OUT SUB5V Peaks PEAKS_EEPROM SUB1.1V SUB1.5V OVP DET SUB3.3V V/Y,PB,PR SUB_AI_3.3V USB5V V/COMP SUB9V P15V R/G/B/H/V STB1.1V ANALOG-ASIC STB3.3V P15V...

  • Page 35: Block (1/2) Diagram

    10.2. Block (1/2) Diagram MAIN POWER IC7301, IC7502 STB6V 5.8VS IC7201, Q7301, T7201, Q7302 T7301 D7407 PA7403 D7102 Q7201,3 RECTIFIER P15V CONVERTER Q7403 D7408,9 PA7402 +16V CF7101,2 +16V Q7402 +16V D7410,11 DETECT IC7401 PC7301 PHOTO ERROR COUPLER DETCT PC7302 PHOTO COUPLER PC7303 SUB_ON...

  • Page 36: Block (2/2) Diagram

    10.3. Block (2/2) Diagram CN8660 SPEAKER_R SPEAKER_L SD CARD JK3005B JK3001 D3006 JK8450 JK8451 JK8600A JK4701A JK4700A JK4702A JK4703A FACTORY DIGITAL ANTENNA/ COMPONENT/VIDEO USB1 USB2 WiFi ETHERNET AUDIO OUT HDMI2 HDMI1 HDMI3 HDMI4 MAIN MAIN CABLE IN CN0100 DMC_IIC0 IIC0 IIC1 STM_IIC SBO0/SBI0...

  • Page 38: Wiring Connection Diagram

    11 Wiring Connection Diagram 11.1. 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. 11.2. Wiring 1...

  • Page 39: Wiring

    11.3. Wiring 2...

  • Page 40: Wiring

    11.4. Wiring 3...

  • Page 41: Wiring

    11.5. Wiring 4...
  • Page 42 Model No. : TC-L55ET5 Schematic Diagram Note...
  • Page 43 Model No. : TC-L55ET5 Replacement Parts List Note...
  • Page 44 Model No. : TC-L55ET5 P-Board (1/2)
  • Page 45 Model No. : TC-L55ET5 P-Board (2/2), K-Board and GK-Board...
  • Page 46 Model No. : TC-L55ET5 A-Board (1/9)
  • Page 47 Model No. : TC-L55ET5 A-Board (2/9)
  • Page 48 Model No. : TC-L55ET5 A-Board (3/9)
  • Page 49 Model No. : TC-L55ET5 A-Board (4/9)
  • Page 50 Model No. : TC-L55ET5 A-Board (5/9)
  • Page 51 Model No. : TC-L55ET5 A-Board (6/9) S-10...
  • Page 52 Model No. : TC-L55ET5 A-Board (7/9) S-11...
  • Page 53 Model No. : TC-L55ET5 A-Board (8/9) S-12...
  • Page 54 Model No. : TC-L55ET5 A-Board (9/9) S-13...
  • Page 55 Model No. : TC-L55ET5 P-Board (Foil Side) S-14...
  • Page 56 Model No. : TC-L55ET5 P-Board (Component Side) S-15...
  • Page 57 Model No. : TC-L55ET5 A-Board (Foil Side) S-16...
  • Page 58 Model No. : TC-L55ET5 A-Board (Component Side) S-17...
  • Page 59 Model No. : TC-L55ET5 K-Board S-18...
  • Page 60 Model No. : TC-L55ET5 GK-Board S-19...
  • Page 61 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks TXN/A1SJUUS CIRCUIT BOARD A 1 (RTL) PAVCA TXN/K1SKUUS CIRCUIT BOARD K 1 (RTL) PAVCA TXN/P1SJUU CIRCUIT BOARD P 1 (RTL) PAVCA TXNGK1SJUU CIRCUIT BOARD GK 1 (RTL) PAVCA K1KY16BA0394 16P CONNECTOR...
  • Page 62 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C5322 F1K1E106A134 C 10UF, 25V C5323 F1K1E106A134 C 10UF, 25V C5324 F1K1E106A134 C 10UF, 25V C5325 F1G1H103A835 C 0.01UF, 50V 1 PAVCA C5326 F1G1C183A116 C 0.018UF, 16V C5328 F1G1H472A571...
  • Page 63 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C7304 F1A3A221A060 C 220PF 1KV C7305 F1J1H104A902 C 0.1UF, 50V 1 PAVCA C7306 F1J1H104A902 C 0.1UF, 50V 1 PAVCA C7307 F1J1H101A906 C 100PF, 50V 1 PAVCA C7308 ECWH8223HAC...
  • Page 64 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C8210 F1G1C104A077 C 0.1UF 16V C8212 F1G1C104A077 C 0.1UF 16V C8215 F1G1C104A077 C 0.1UF 16V C8216 F1J1A106A087 C 10UF, 10V C8218 F1G1C104A077 C 0.1UF 16V C8220 F1G1C104A077 C 0.1UF 16V...
  • Page 65 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C8900 F1G1C104A077 C 0.1UF 16V C8901 F1G1C104A077 C 0.1UF 16V C8902 F1G1C104A077 C 0.1UF 16V C9052 F1K1E106A134 C 10UF, 25V C9053 F1H1H103B047 C 0.01UF, 50V 1 PAVCA C9100 F1G1H471A830...
  • Page 66 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C9260 F1G1A104A069 C 0.1UF 10V 1 PAVCA C9261 F1G1A104A069 C 0.1UF 10V 1 PAVCA C9262 F1G1A104A069 C 0.1UF 10V 1 PAVCA C9266 F1G1H471A830 C 470PF, 50V 1 PAVCA C9275 F1G1C104A077...
  • Page 67 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks D7211 B0JAME000091 DIODE D7212 B0JAME000091 DIODE D7216 B0HASR000018 DIODE 1 PAVCA D7217 B0JAME000091 DIODE D7219 B0BC02500002 ZENER DIODE D7301 DZ2J039M0L ZENER DIODE D7302 B0HAGQ000001 DIODE D7303 DZ2J039M0L...
  • Page 68 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks IC8457 C0DBZYY00541 1 PAVCA IC8600 C1CB00003736 1 PAVCA IC8660 C0DBEYY00102 1 PAVCA IC8702 C0DBEYY00102 1 PAVCA IC8706 C0DBGYY01682 IC8900 TVRS696ADS 1 PAVCA IC8902 TVRS845S 1 PAVCA IC9100 C1AB00003869 1 PAVCA...
  • Page 69 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks L8453 J0ZZB0000142 FILTER L8459 J0ZZB0000142 FILTER L8461 J0JHC0000045 CHIP INDUCTOR L8462 J0JHC0000045 CHIP INDUCTOR L8466 J0JYC0000464 FILTER 1 PAVCA L8660 J0JBC0000115 CHIP INDUCTOR L8662 J0JHC0000045 CHIP INDUCTOR L8663...
  • Page 70 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R0919 D0GA220JA023 M22 OHM, J.1/16 W R0932 D0GA220JA023 M22 OHM, J.1/16 W R0933 D0GA220JA023 M22 OHM, J.1/16 W R0938 D0GAR00J0005 M 0 OHM, 1/16W R0940 D0GAR00J0005 M 0 OHM, 1/16W...
  • Page 71 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R4709 D0GA103JA023 M10KOHM, J.1/16 W R4710 D0GA473JA023 M 47KOHM, J,1/16W R4711 D0GA102JA023 M1KOHM, J.1/16 W R4712 D0GA473JA023 M 47KOHM, J,1/16W R4715 D0GA103JA023 M10KOHM, J.1/16 W R4721 D0GA103JA023 M10KOHM, J.1/16 W...
  • Page 72 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R5009 D1BA5602A023 M 56KOHM,F. 1/16 W 1 PAVCA R5012 D1BA2202A023 M 22KOHM,F. 1/16 W 1 PAVCA R5030 D0GA103JA023 M10KOHM, J.1/16 W R5100 D0GA101JA023 M 100 OHM, J,1/16W R5104 D0GA103JA023 M10KOHM, J.1/16 W...
  • Page 73 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R7305 D0AF151JA112 C 150 OHM, J,1/2W 1 PAVCA R7306 D0GD222JA052 M 2.2KOHM,J,1/8W R7307 D0GD561JA052 M 560 OHM,J,1/8W R7308 D0GD561JA052 M 560 OHM,J,1/8W R7312 D0AF222JA112 C 2.2KOHM, J,1/2W 1 PAVCA R7314...
  • Page 74 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R8243 D1HY2204A012 NETWORK RESISTER 1 PAVCA R8300 D0GA471JA023 M 470OHM, J,1/16W R8301 D1BA6201A023 M 6.2 KOHM,F.1/16 W 1 PAVCA R8302 D0GA360JA023 M 36 OHM, J,1/16W R8303 D0GA360JA023 M 36 OHM, J,1/16W...
  • Page 75 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R8800 D0GA103JA023 M10KOHM, J.1/16 W R8801 D0GA103JA023 M10KOHM, J.1/16 W R8802 D0GA103JA023 M10KOHM, J.1/16 W R8803 D0GA103JA023 M10KOHM, J.1/16 W R8817 D0GA103JA023 M10KOHM, J.1/16 W R8821 D0GA103JA023 M10KOHM, J.1/16 W...
  • Page 76 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R9258 D1HY2204A012 NETWORK RESISTER 1 PAVCA R9259 D1HY2204A012 NETWORK RESISTER 1 PAVCA R9260 D1HY2204A012 NETWORK RESISTER 1 PAVCA R9261 D0GA220JA023 M22 OHM, J.1/16 W R9262 D0GA220JA023 M22 OHM, J.1/16 W...
  • Page 77 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks ZA0051 K4AD01D00008 TERMINAL ZA0052 K4AD01D00008 TERMINAL ZA7101 K4AD01A00003 TERMINAL 1 PAVCA ZA7103 K4AD01A00003 TERMINAL 1 PAVCA S-36...
  • Page 78 Model No. : TC-L55ET5 Exploded View S-37...
  • Page 79 Model No. : TC-L55ET5 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks 10030-0066000 BATTERY COVER 1 PAVCA K1HY05YY0028 USB CABLE 1 PAVCA K2CB2YY00065 AC CORD 1 PAVCA K2KYYYY00199 AV CABLE 1 PAVCA L0EYAA000006 LOUDSPEAKER SYSTEMS L0EYAA000007 LOUDSPEAKER SYSTEMS L5EDDYY00368 LCD PANEL...

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