Panasonic TC-L42E30 Service Manual
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Panasonic TC-L42E30 Service Manual

42 inch class 1080p lcd hdtv
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See also: Owner's Manual , Technical Manual
42 inch Class 1080p LCD HDTV
TC-L42E30
Model No.
LA15 Chassis
© Panasonic Corporation 2011.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.MTNC110210CE
B32 Canada: B61

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Summary of Contents for Panasonic TC-L42E30

  • Page 1 ORDER NO.MTNC110210CE B32 Canada: B61 42 inch Class 1080p LCD HDTV TC-L42E30 Model No. LA15 Chassis © Panasonic Corporation 2011. 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 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 3.2.

  • Page 3: 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 4: Warning

    2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensi- tive (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] 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 A-Board Main KA-Board Remote Receiver, LED, Cat's eye P-Board Power supply LD-Board LED Driver 3.2. Applicable signals * Mark: Applicable input signal for Component (Y, P ), HDMI and PC horizontal frequency (kHz) vertical frequency (Hz) COMPONENT HDMI...

  • Page 7: Specifications

    4 Specifications Power Source AC 110-127 V, 60 Hz Power Consumption Rated Power Consumption 104 W Standby Condition 0.2 W Display panel Aspect Ratio 16:9 Visible screen size 42 inch class (42.0 inches measured diagonally) (W × H × Diagonal) 36.6 inch ×...

  • Page 8: 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 9: 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 10: 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 ship- ment setting].

  • Page 11: 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 12: 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 13 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 14 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 15: 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 16: 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 17: Disassembly And Assembly Instructions

    8 Disassembly and Assembly Instructions 8.1. Pedestal 8.3. AC cord 1. Lay down the unit so that the rear cover faces upward. 1. Remove the bushing of the AC cord from the Bottom 2. Remove the 4 screws. cover. 3. Remove the pedestal. 2.

  • Page 18: Side Av Bracket

    8.5. Side AV bracket 8.7. LD-Board 1. Remove the 1 screw. 1. Remove the 4 screws. 2. Remove the side AV bracket. 2. Disconnect the connector (LD2 and LD4). 3. Remove the LD-Board. 8.8. Control panel assy 1. Remove the 2 screws. 2.

  • Page 19: Speaker Unit

    8.9. Speaker unit 8.11. Bottom cover 1. Remove the 4 screws. 1. Remove the bottom cover. 2. Remove the speaker unit. 8.12. Metal bracket top 1. Remove the 2 screws. 2. Remove the Metal bracket top. 8.10. Metal bracket A-Board 1.

  • Page 20: Metal Bracket Bottom

    8.13. Metal bracket bottom 8.15. LCD Panel 1. Remove the 5 screws (A). 1. Remove the LCD panel. 2. Remove the 2 screws (B). 3. Remove the Metal bracket bottom. 8.16. KA-Board 1. Remove the 1 screw. 2. Disconnect the connector (KA10). 3.

  • Page 21: Emi Processing

    8.17. EMI processing...

  • Page 25: Measurements And Adjustments

    9 Measurements and Adjustments 9.1. Voltage chart of P-board VOLTAGE TEST POINT SPECIFICATION REMARKS (Reception state) PFC390V +TP7201, 7202 390 ± 15 V *HOT -TP7203, 7204 LED24V TP7514, 7515 24 ± 2 V DTV16V TP7503, 7504 15.6 ± 1.5 V STBY6V TP7501, 7502 5.8 ±...

  • Page 27: Block Diagram

    10 Block Diagram 10.1. Main Block Diagram MAIN NAND FLASH CPU BUS SD CARD DATA SD CARD DATA CPU BUS SD CARD SLOT SUB3.3V IFD_OUT DDR3 sLD2 SIF_OUT TUNER EEPROM VIDEO_OUT P15V STB5.8V SUB9V VIDEO1 SUB5V STB1.2V STB5V ANALOG-ASIC STB3.3V AV SW TV SOS POWER LED...

  • Page 28: Block (1/2) Diagram

    10.2. Block (1/2) Diagram MAIN POWER SUPPLY COLD COLD KEY3 KEY3 KEY1 KEY1 Q2002 RELAY PC7302 Q7501 D7507 SUB_ON SUB_ON Q7301 P15V T7301 IC7201 D7502 PA7504 +16V +16V Q7201 Q7504 +16V PFC CONTROL D7102 D7501 PA7503 T7201 IC7301 RECTIFIER Q7503 PWM CONTROL IC7502 PA7601...

  • Page 29: Block (2/2) Diagram

    10.3. Block (2/2) Diagram JK8850 SPEAKER_R SPEAKER_L SD CARD MAIN JK3703 D3050 JK3000A JK1030 JK1031 JK1000 JK1001 JK1003 JK1002 JK1040 FACTORY PC IN DIGITAL COMP1 VIDEO1 JK3300A TU4800B Side USB Rear USB AUDIO OUT ETHERNET HDMI1 HDMI2 HDMI3 HDMI4(SIDE) VIDEO2 TUNER CN0100 DMC_IIC0...

  • Page 31: 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...
  • Page 32 Model No. : TC-L42E30 Schematic Diagram Note...
  • Page 33 Model No. : TC-L42E30 Replacement Parts List Note...
  • Page 34 Model No. : TC-L42E30 P-Board (1/2)
  • Page 35 Model No. : TC-L42E30 P-Board (2/2)
  • Page 36 Model No. : TC-L42E30 A-Board (1/9)
  • Page 37 Model No. : TC-L42E30 A-Board (2/9)
  • Page 38 Model No. : TC-L42E30 A-Board (3/9)
  • Page 39 Model No. : TC-L42E30 A-Board (4/9)
  • Page 40 Model No. : TC-L42E30 A-Board (5/9)
  • Page 41 Model No. : TC-L42E30 A-Board (6/9) and KA-Board S-10...
  • Page 42 Model No. : TC-L42E30 A-Board (7/9) S-11...
  • Page 43 Model No. : TC-L42E30 A-Board (8/9) S-12...
  • Page 44 Model No. : TC-L42E30 A-Board (9/9) S-13...
  • Page 45 Model No. : TC-L42E30 LD-Board S-14...
  • Page 46 Model No. : TC-L42E30 P-Board (Foil Side) S-15...
  • Page 47 Model No. : TC-L42E30 P-Board (Component Side) S-16...
  • Page 48 Model No. : TC-L42E30 A-Board (Foil Side) S-17...
  • Page 49 Model No. : TC-L42E30 A-Board (Component Side) S-18...
  • Page 50 Model No. : TC-L42E30 LD-Board S-19...
  • Page 51 Model No. : TC-L42E30 KA-Board S-20...
  • Page 52 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks TXN/A1MXUUS CIRCUIT BOARD A 1 (RTL)PAVCA TXN/P1MXUU CIRCUIT BOARD P 1 (RTL)PAVCA TXNKA1NKUU CIRCUIT BOARD KA 1 (RTL)PAVCA TXNLD1MXUU CIRCUIT BOARD LD 1 (RTL)PAVCA...
  • Page 53 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C4008 F1J1C475A217 C 4.7UF, 16V 1 PAVCA C4500 F1G1C104A077 C 0.1UF 16V C4501 F1G1C104A077 C 0.1UF 16V C4520 F1J1A475A087 C 4.7UF, 10V C4521 F1G1C104A077 C 0.1UF 16V...
  • Page 54 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C5006 F1J1E105A231 C 1 UF 25V C5012 ECJ1VB1A105K C 1UF, 10V C5020 F1G1C104A077 C 0.1UF 16V C5021 F1G1A105A047 C 1UF 10V C5022 F1G1A105A047 C 1UF 10V...
  • Page 55 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C7610 F1J1H472A702 C 4700PF, 50V 1 PAVCA C7611 F1J1E105A231 C 1 UF 25V C8001 F1J1A106A087 C 10UF, 10V C8004 F1G1C104A077 C 0.1UF 16V C8005 F1G1C104A077 C 0.1UF 16V...
  • Page 56 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks 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 57 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C8776 F1K1E106A136 C 10UF, 25V C8777 F1G1E222A123 C 2200pF 25V C8778 F1G1E222A123 C 2200pF 25V C8780 F1K1E106A136 C 10UF, 25V C8781 F1G1H1020008 C 1000PF 50V...
  • Page 58 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks D5175 DA2J10100L DIODE D5180 DZ2J033M0L ZENER DIODE D5480 B0JCCE000008 DIODE D7101 ERZV10V621C2 VARISTOR 1 PAVCA D7102 B0FBAT000018 DIODE 1 PAVCA D7202 B0ADCJ000100 DIODE D7203...
  • Page 59 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks FL4006 EXC28CE201U FILTER IC1951 C0EBF0000354 IC3001 C1AB00003385 1 PAVCA IC4501 C0DBGYY00578 IC4700 C1AB00003469 1 PAVCA IC4701 TVRS030S 1 PAVCA IC4900 C1AB00003457 1 PAVCA IC5000 AN34043A-VF...
  • Page 60 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks L3006 G1C100MA0072 INDUCTION COIL L3122 J0JCC0000287 CHIP INDUCTOR L3123 J0JCC0000287 CHIP INDUCTOR L4700 J0JYC0000068 CHIP INDUCTOR L4701 J0JYC0000068 CHIP INDUCTOR L4703 J0JYC0000068 CHIP INDUCTOR...
  • Page 61 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks LF7101 G0B650H00002 CHOKE COIL LF7102 G0B103H00013 CHOKE COIL 1 PAVCA LF7103 G0B103H00013 CHOKE COIL 1 PAVCA K1KA02B00295 2P CONNECTOR K1KY16BA0311 16P CONNECTOR 1 PAVCA...
  • Page 62 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R0903 D0GA272JA023 M 2.7KOHM, J.1/16W R0904 D0GA272JA023 M 2.7KOHM, J.1/16W R0905 D0GA272JA023 M 2.7KOHM, J.1/16W R0906 D0GA272JA023 M 2.7KOHM, J.1/16W R0907 D0GA272JA023 M 2.7KOHM, J.1/16W...
  • Page 63 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R1963 D0GA101JA015 M 100 OHM, J,1/16W R2004 D0GAR00J0005 M 0 OHM, 1/16W R2006 D0GA101JA015 M 100 OHM, J,1/16W R2009 D0GA101JA015 M 100 OHM, J,1/16W...
  • Page 64 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R4006 EXB28VR000X M 0 OHM 1/32 W R4007 EXB28VR000X M 0 OHM 1/32 W R4026 EXB28VR000X M 0 OHM 1/32 W R4028 D0GAR00J0005 M 0 OHM, 1/16W...
  • Page 65 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R4911 D0GA100JA023 M 10 OHM, J,1/16W 1 PAVCA R4912 D0GA100JA023 M 10 OHM, J,1/16W 1 PAVCA R4913 D0GA103JA015 M 10KOHM,J,1/16W R4914 EXB28V220J M 22 OHM 1/32 W...
  • Page 66 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R7243 D1BD6803A066 M 680KOHM,F.1/8W 1 PAVCA R7244 D1BD5102A066 M 51KOHM,J.1/8W 1 PAVCA R7301 D0GD223JA052 M 22KOHM,J,1/4W 1 PAVCA R7302 D0GD103JA052 M 10KOHM,J,1/8W 1 PAVCA...
  • Page 67 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R7601 D0GD105JA052 M 1M OHM, J,1/8W 1 PAVCA R7603 D1BD7872A066 M 78.7KOHM,F.1/8W 1 PAVCA R7604 D1BD2212A066 M 22.1KOHM,F.1/8W 1 PAVCA R7605 D0GD473JA052 M 47KOHM,J,1/8W...
  • Page 68 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R8662 D0GA101JA015 M 100 OHM, J,1/16W R8663 D0GA101JA015 M 100 OHM, J,1/16W R8664 D0GA101JA015 M 100 OHM, J,1/16W R8665 D0GA101JA015 M 100 OHM, J,1/16W...
  • Page 69 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R9513 D1BA1602A014 M 16 OHM, J.1/16 W R9514 D0GA331JA023 M 330 OHM, J,1/16W R9515 D1BA4703A014 M 470KOHM,J.1/16 W 1 PAVCA R9516 D0GA473JA015 M 47KOHM, J,1/16W...
  • Page 70 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks SW7404 EVQ11G05R SWITCH SW7405 EVQ11G05R SWITCH SW7406 EVQ11G05R SWITCH SW7407 EVQ11G05R SWITCH SW7410 EVQ11G05R SWITCH T7201 G4DYA0000289 SWITCHING TRANS 1 PAVCA T7301 G4DYA0000284 SWITCHING TRANS...
  • Page 71 Model No. : TC-L42E30 Exploded View S-40...
  • Page 72 Model No. : TC-L42E30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks 10030-0061100 BATTERY COVER 1 PAVCA K2CB2YY00037 AC POWER CORD with EMC clamper 1 PAVCA L0AA16C00004 SPEAKER UNIT 2 PAVCA N2QAYB000570 REMOTE CONTROL 1 PAVCA...

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