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Panasonic TC-L42D30 Service Manual

42 inch class 1080p lcd hdtv la24 chassis
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See also: Owner's Manual , Technical Manual
42 inch Class 1080p LCD HDTV
TC-L42D30
Model No.
LA24 Chassis
© Panasonic Corporation 2011.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.MTNC110322CE
B32 Canada: B61

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Summary of Contents for Panasonic TC-L42D30

  • Page 1 ORDER NO.MTNC110322CE B32 Canada: B61 42 inch Class 1080p LCD HDTV TC-L42D30 Model No. LA24 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 Non serviceable P-Board should be exchanged for service. LD-Board LED Driver S-Board Power switch 3.2. Applicable signals * Mark: Applicable input signal for Component (Y, P ), HDMI and PC horizontal frequency (kHz) vertical frequency (Hz)

  • Page 7: Specifications

    4 Specifications Power Source AC 110-127 V, 60 Hz Power Consumption Rated Power Consumption 108 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 Cover bot- 2. Remove the 4 screws. tom. 3.

  • Page 18: P-Board

    8.5. P-Board 8.7. A-Board 1. Remove the 4 screws. 1. Remove the 6 screws. 2. Disconnect the connectors (P1, P2 and P4). 2. Disconnect the connector (A02, A10, A12 and A15). 3. Remove the P-Board. 3. Remove the A-Board. 8.6. Side AV bracket 8.8.

  • Page 19: Cover Bottom

    8.9. Cover bottom 8.11. Metal bracket bottom 1. Remove the cover bottom. 1. Remove the 4 screws. 2. Remove the Metal bracket bottom. 8.12. LCD Panel 1. Remove the 15 screws. 2. Remove the LCD panel. 8.10. Speaker box 1. Remove the speaker box. 2.

  • Page 20: Ka-Board And S-Board

    8.13. KA-Board and S-Board 1. Remove the 3 screws. 2. Disconnect the connector (KA10 and S10). 3. Remove the KA-Board and S-Board.

  • Page 21: Emi Processing

    8.14. EMI processing...

  • Page 29: Measurements And Adjustments

    9 Measurements and Adjustments 9.1. Voltage chart of A-board VOLTAGE TEST POINT SPECIFICATION REMARKS (Reception state) SUB1.2V TP8100 1.2 - 1.31 V SUB1.5V TP8101 1.47 - 1.55 V SUB3.3V TP5400 3.17 - 3.43 V SUB5V TP5420 4.94 - 5.31 V USB5V TP5440 4.94 - 5.31 V...

  • Page 31: 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 DDR3 IFD_OUT LDA3 SIF_OUT TUNER EEPROM (PEAKS) VIDEO_OUT VIDEO1 EEPROM (STM) Y/PB/PR COMP1 AV SW POWER LED REMOTE RECEIVER IPOD CP XRST iPod-CP...

  • Page 32: Block (1/2) Diagram

    10.2. Block (1/2) Diagram MAIN POWER SUPPLY COLD COLD KEY1 KEY1 Q2002 RELAY CONTROL CIRCUIT DC/DC CURRENT DETECTOR RECTIFIER CONVERTER DETECTOR SUB_ON SUB_ON OVER 5.8VS CURRENT VOLTAGE 5.8V DETECTOR +16V P15V +16V +16V RECTIFIER INRUSH DC/DC CURRENT RECTIFIER LIMITTER CONVERTER DETECTOR RECTIFIER OVER...

  • Page 33: Block (2/2) Diagram

    10.3. Block (2/2) Diagram JK1080 SPEAKER_R SPEAKER_L SD CARD JK1005B D1006 JK3000A JK1030 JK1031 JK1090 JK1040 JK1020 JK1021 JK1022 JK1061 FACTORY PC IN TU4801C DIGITAL COMP1 VIDEO1 USB1(REAR) USB2(REAR) USB3(SIDE) TUNER AUDIO OUT HDMI1 HDMI2 HDMI3 HDMI4(SIDE) MAIN CN0100 DMC_IIC0 IIC0 IIC1 STM_IIC...

  • Page 35: 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 36: Wiring

    11.3. Wiring 2...
  • Page 37 Model No. : TC-L42D30 Schematic Diagram Note...
  • Page 38 Model No. : TC-L42D30 Replacement Parts List Note...
  • Page 39 Model No. : TC-L42D30 A-Board (1/12)
  • Page 40 Model No. : TC-L42D30 A-Board (2/12)
  • Page 41 Model No. : TC-L42D30 A-Board (3/12)
  • Page 42 Model No. : TC-L42D30 A-Board (4/12)
  • Page 43 Model No. : TC-L42D30 A-Board (5/12)
  • Page 44 Model No. : TC-L42D30 A-Board (6/12)
  • Page 45 Model No. : TC-L42D30 A-Board (7/12)
  • Page 46 Model No. : TC-L42D30 A-Board (8/12) S-10...
  • Page 47 Model No. : TC-L42D30 A-Board (9/12) S-11...
  • Page 48 Model No. : TC-L42D30 A-Board (10/12) S-12...
  • Page 49 Model No. : TC-L42D30 A-Board (11/12) S-13...
  • Page 50 Model No. : TC-L42D30 A-Board (12/12) S-14...
  • Page 51 Model No. : TC-L42D30 KA-Board and S-Board S-15...
  • Page 52 Model No. : TC-L42D30 LD-Board S-16...
  • Page 53 Model No. : TC-L42D30 A-Board S-17...
  • Page 54 Model No. : TC-L42D30 KA-Board and S-Board S-18...
  • Page 55 Model No. : TC-L42D30 LD-Board S-19...
  • Page 56 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks N0AE3GJ00007 CIRCUIT BOARD P 1 PAVCA TXN/A1MVUUS CIRCUIT BOARD A 1 (RTL)PAVCA TXN/S1PEUU CIRCUIT BOARD S 1 (RTL)PAVCA TXNKA1NJUU CIRCUIT BOARD KA 1 (RTL)PAVCA...
  • Page 57 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C4547 ECJ1VB0J105K C 1UF, 6.3V C4701 F1G1C104A077 C 0.1UF 16V C4704 F1G1C104A077 C 0.1UF 16V C4707 F1G1C104A077 C 0.1UF 16V C4713 F1G1C104A077 C 0.1UF 16V...
  • Page 58 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C5151 ECJ1VB1H103K C 0.01UF, 50V C5171 F1G1C1030008 C 0.01UF 16V C5240 ECJ1VB1A105K C 1UF, 10V C5243 ECJ1VB1A105K C 1UF, 10V C5300 F1G1H821A459 C 820 pF 50 V...
  • Page 59 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C8016 F1G1C104A077 C 0.1UF 16V C8017 F1J1A106A087 C 10UF, 10V C8018 F1G1C104A077 C 0.1UF 16V C8019 F1G1C104A077 C 0.1UF 16V C8020 F1G1C104A077 C 0.1UF 16V...
  • Page 60 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C8223 F1G1C104A077 C 0.1UF 16V C8224 F1G1C104A077 C 0.1UF 16V C8225 F1G1C104A077 C 0.1UF 16V C8226 F1G1C104A077 C 0.1UF 16V C8227 F1G1C104A077 C 0.1UF 16V...
  • Page 61 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks C9509 F1J1H182A721 C 1800pF, 50V 1 PAVCA C9510 F1J1H182A721 C 1800pF, 50V 1 PAVCA C9511 F1J1H182A721 C 1800pF, 50V 1 PAVCA C9512 F1J1H182A721 C 1800pF, 50V...
  • Page 62 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks D9610 B0BC6R600005 ZENER DIODE D9620 DB2J41100L DIODE 1 PAVCA D9621 B0ECKM000048 DIODE D9622 B0ECKM000048 DIODE FL4000 EXC28CE201U FILTER FL4001 EXC28CE201U FILTER FL4002 EXC28CE201U FILTER...
  • Page 63 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks L3001 J0JCC0000287 CHIP INDUCTOR L3002 J0JCC0000287 CHIP INDUCTOR L3007 G1C100MA0072 INDUCTION COIL L3122 J0JCC0000287 CHIP INDUCTOR L3123 J0JCC0000287 CHIP INDUCTOR L4700 J0JYC0000068 CHIP INDUCTOR...
  • Page 64 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks Q0900 B1ADCF000194 TRANSISTOR 1 PAVCA Q1951 B1ADCF000194 TRANSISTOR 1 PAVCA Q2000 DSC2001S0L TRANSISTOR Q2001 B1ADGJ000008 TRANSISTOR 1 PAVCA Q2800 B1ABCE000015 TRANSISTOR Q2802 B1ABCE000015 TRANSISTOR...
  • Page 65 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R1106 D0GA182JA023 M 1.8KOHM, J,0.063W R1108 D0GA102JA023 M1KOHM, J.1/16 W R1111 D0GA472JA023 M 4.7KOHM, J,1/16W R1300 D0GA103JA015 M 10KOHM,J,1/16W R1301 D0GA103JA015 M 10KOHM,J,1/16W R1302...
  • Page 66 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R3123 EXB28V680JX M 68 OHM 1/32 W R3127 D0GA680JA023 M 68 OHM, J,1/16W R3148 D0GAR00J0005 M 0 OHM, 1/16W R3175 D1BD75R0A066 M 75.0 OHM,J.1/8 W...
  • Page 67 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R4746 D0GA680JA023 M 68 OHM, J,1/16W R4747 D0GA680JA023 M 68 OHM, J,1/16W R4748 D0GA680JA023 M 68 OHM, J,1/16W R4749 D0GA680JA023 M 68 OHM, J,1/16W...
  • Page 68 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R5303 D1BB8200A055 M 820 OHM,J.1/10W R5304 D0GA473JA015 M 47KOHM, J,1/16W R5306 D0GB472JA065 M 4.7KOHM, J,1/10W R5400 D0GA390JA023 M 39 OHM, J,1/16W R5401 D1BB4301A055 M4.30KOHM,J.1/10W...
  • Page 69 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R8227 EXB28V220J M 22 OHM 1/32 W R8228 EXB28V220J M 22 OHM 1/32 W R8229 EXB28V220J M 22 OHM 1/32 W R8230 D0GA220JA023 M22 OHM, J.1/16 W...
  • Page 70 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R8663 D0GA101JA015 M 100 OHM, J,1/16W R8664 D0GA101JA015 M 100 OHM, J,1/16W R8665 D0GA101JA015 M 100 OHM, J,1/16W R8666 D0GA101JA015 M 100 OHM, J,1/16W...
  • Page 71 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks R9556 D0GD2R2JA059 M 2.2 OHM,J.1/4W R9557 D0GD2R2JA059 M 2.2 OHM,J.1/4W R9611 D1BA2202A014 M 22KOHM,J.1/16 W R9612 D1BA1102A014 M 11KOHM,J. 1/16 W R9613 D1BA1602A014 M 16 OHM, J.1/16 W...
  • Page 72 Model No. : TC-L42D30 Exploded View S-36...
  • Page 73 Model No. : TC-L42D30 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks 10030-0048000 BATTERY COVER 1 PAVCA J0KG00000100 FILTER K2CB2YY00044 AC CORD(42D30) 1 PAVCA L0AZ14C00007 SPEAKER BOX (L) L0AZ14C00008 SPEAKER BOX (R) N2QAYB000486 REMOTE CONTROL 1 PAVCA...

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