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Panasonic TC-L42D30, Service Manual, Page: 52 / 73

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Panasonic TC-L42D30 Service Manual Download Page 52

Model No. : TC-L42D30

LD-Board

 

 

S-16

Summary of Contents for TC-L42D30

Page 1: ...Panasonic Corporation 2011 Unauthorized copying and distribution is a violation of law ORDER NO MTNC110322CE B32 Canada B61 42 inch Class 1080p LCD HDTV Model No TC L42D30 LA24 Chassis...

Page 2: ...er LED Blinking timing chart 16 7 3 LCD Panel test mode 16 8 Disassembly and Assembly Instructions 17 8 1 Pedestal 17 8 2 Rear cover 17 8 3 AC cord 17 8 4 Control panel assy 17 8 5 P Board 18 8 6 Side...

Page 3: ...the jumpered AC plug and each exposed metal lic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metal lic part has a return path to the chassis the read...

Page 4: ...of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD...

Page 5: ...solder has a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron and set it to 700 20 F 370 10 C Pb free solde...

Page 6: ...should be exchanged for service LD Board LED Driver S Board Power switch horizontal frequency kHz vertical frequency Hz COMPONENT HDMI PC 525 480 60i 15 73 59 94 525 480 60p 31 47 59 94 750 720 60p 4...

Page 7: ...perature 32 F 95 F 0 C 35 C Humidity 20 80 RH non condensing Connection Terminals VIDEO IN VIDEO RCA PIN Type 1 1 0 V p p 75 AUDIO L R RCA PIN Type 2 0 5 V rms COMPONENT IN Y 1 0 V p p including synch...

Page 8: ...stored in both Peaks IC IC8000 and EEPROM IC8902 5 1 2 Replacement of ICs When Peaks IC is replaced EEPROM should be also replaced with new one the same time When EEPROM is replaced Peaks IC is not n...

Page 9: ...items change in forward direction in reverse direction 6 1 3 How to exit Switch off the power with the POWER button on the main unit or the POWER button on the remote control 6 1 4 Contents of adjustm...

Page 10: ...shipment This indication except 2nd and 1st occurrence after shipment will be cleared by Self check indication and forced to factory ship ment setting 6 2 3 POWER ON TIME COUNT Note To display TIME CO...

Page 11: ...MI1 HDMI2 HDMI3 HDMI4 Compo nent Video PC OFF give priority to a last memory Channel Select channel when input signal is RF Set the channel each time power is switched on Selection Any channel number...

Page 12: ...s 6 4 2 Preparation Make pwd file as startup file for a or b in a empty SD card 1 Insert a empty SD card to your PC 2 Right click a blank area in a SD card window point to New and then click text docu...

Page 13: ...lowing 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 It takes around 2 to 6 minutes maximum for copying 4 After t...

Page 14: ...t 2771 b For Hotel 4851 Data will be copied from SD card to TV set 4 After the completion of copying to SD card remove SD card from TV set a For Board replacement Data will be deleted after copying Li...

Page 15: ...setting Produce TV reception screen and while pressing VOLUME button on the main unit press MENU button on the remote con trol for more than 3 seconds 7 1 2 Exit Disconnect the AC cord from wall outle...

Page 16: ...xit Disconnect AC plug from wall outlet How to confirm If the abnormal picture is displayed go into LCD Panel test mode to display the several test patterns And then judge by the following method Stil...

Page 17: ...ove the pedestal 8 2 Rear cover 1 Remove the 15 screws A 2 Remove the 7 screws B 3 Remove the 9 screw C 4 Remove the 4 M6 CAPs 5 Remove the rear cover 8 3 AC cord 1 Remove the bushing of the AC cord f...

Page 18: ...ove the P Board 8 6 Side AV bracket 1 Remove the 1 screw 2 Remove the side AV bracket 8 7 A Board 1 Remove the 6 screws 2 Disconnect the connector A02 A10 A12 and A15 3 Remove the A Board 8 8 LD Board...

Page 19: ...ttom 8 10 Speaker box 1 Remove the speaker box 2 Remove the 4 screws 3 Remove the speaker bracket 8 11 Metal bracket bottom 1 Remove the 4 screws 2 Remove the Metal bracket bottom 8 12 LCD Panel 1 Rem...

Page 20: ...20 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: ...21 8 14 EMI processing...

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Page 29: ...r TP4095 11 5 12 5 V Instrument Name Remarks 1 REMOTE TRANSMITTER 2 Ex Signal Sprit color bar Adjustment or Inspection Procedure Remarks procedure 1 Receive the Sprit color bar Screen mode ZOOM or FUL...

Page 30: ...30...

Page 31: ...MI_SW3 3V ARC OFF LCD PANEL TMDS DATA EEPROM PEAKS LAN I F ANALOG ASIC REMOTE RECEIVER SUB3 3V RELAY PANEL12V HDMI3 STB3 3V USB5V SUB5V DCDC R G B H V SUB3 3V TMDS DATA SUB5V PNL12V NAND FLASH DCDC LD...

Page 32: ...4 BL_SOS N IC9500 Q9506 N LED1 AC CORD LED8 9 LD4 VCC V ANODE1 LED DRIVER 5 1 STB 11 1 4 4 P1 Q9503 LED4 PWM 13 3 7 A09 LED3 BL_ON STB 8 LED 2 10 LED DRIVER LED7 16V 5 11 8 11 24 1 12 R A D _0 15 V C...

Page 33: ...5V 1 1 3 3V 5V TEMP SENSOR C A T S SENSOR AV SWITCH A12 SUB3 3V IC4900 SOS IIC3 AUDIO AMP DDC IIC1 SPDIF OUT JK1061 COMP1 IC8900 4 L R IC8601 RX1 VIDEO1 SUB3 3V KA 10 V SW_OFF_DET SUB9V DDC IIC3 PB 5V...

Page 34: ...34...

Page 35: ...iagram 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...

Page 36: ...36 11 3 Wiring 2...

Page 37: ...Model No TC L42D30 Schematic Diagram Note S 1...

Page 38: ...Model No TC L42D30 Replacement Parts List Note S 2...

Page 39: ...Model No TC L42D30 A Board 1 12 S 3...

Page 40: ...Model No TC L42D30 A Board 2 12 S 4...

Page 41: ...Model No TC L42D30 A Board 3 12 S 5...

Page 42: ...Model No TC L42D30 A Board 4 12 S 6...

Page 43: ...Model No TC L42D30 A Board 5 12 S 7...

Page 44: ...Model No TC L42D30 A Board 6 12 S 8...

Page 45: ...Model No TC L42D30 A Board 7 12 S 9...

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: ...50V 1 C2014 F1K1E106A136 C 10UF 25V 1 C2023 F1G1C104A077 C 0 1UF 16V 1 C2801 F2G0J470A019 E 47UF 6 3V 1 C2802 F1G1C1030008 C 0 01UF 16V 1 C2805 ECJ1XB1C104K C 0 1UF Z 16V 1 C3008 F1J1A106A043 C 10UF 1...

Page 57: ...F1J1E105A231 C 1 UF 25V 1 C4911 F1H1H104A970 C 0 1UF 50V 1 C4912 F1J1E105A231 C 1 UF 25V 1 C4913 F1H1H104A970 C 0 1UF 50V 1 C4914 F1J1E105A231 C 1 UF 25V 1 C4915 F1H1H104A970 C 0 1UF 50V 1 C4917 F1H1H...

Page 58: ...1 C5426 F1J1A106A087 C 10UF 10V 1 C5427 F1G1C223A081 C 0 022UF 16V 1 C5428 F1G1H272A571 C 2700PF 50V 1 C5440 F1K1E106A136 C 10UF 25V 1 C5441 F1K1E106A136 C 10UF 25V 1 C5443 F1J1A106A043 C 10UF 10V 1 C...

Page 59: ...F 16V 1 C8053 F1G1C104A077 C 0 1UF 16V 1 C8054 F1G1C104A077 C 0 1UF 16V 1 C8055 F1G1C104A077 C 0 1UF 16V 1 C8056 F1G1C104A077 C 0 1UF 16V 1 C8057 F1G1C104A077 C 0 1UF 16V 1 C8100 F1G1E682A123 C 6800 p...

Page 60: ...612 F1G1C104A077 C 0 1UF 16V 1 C8613 F1G1C104A077 C 0 1UF 16V 1 C8614 F1G1C104A077 C 0 1UF 16V 1 C8615 F1J1A106A087 C 10UF 10V 1 C8616 F1J1A106A087 C 10UF 10V 1 C8617 F1G1C1030008 C 0 01UF 16V 1 C8618...

Page 61: ...B0JCCD000020 DIODE 1 PAVCA D1952 DA2J10100L DIODE 1 D1953 DA2J10100L DIODE 1 D1954 DA2J10100L DIODE 1 D1955 B0JCCD000020 DIODE 1 PAVCA D2016 EZJZ0V120JA VARISTOR 1 D2800B B3AAB0000379 DIODE 1 PAVCA D4...

Page 62: ...1058 IC 1 PAVCA IC5602 C0DBZYY00368 IC 1 IC5606 C0DBZYY00368 IC 1 IC8000 MN2WS0200LD IC 1 PAVCA IC8100 C0DBAYY00715 IC 1 IC8200 C3ABUY000005 IC 1 PAVCA IC8201 C3ABTY000025 IC 1 IC8601 C1CB00003239 IC...

Page 63: ...G1C150MA0426 INDUCTION COIL 1 PAVCA L4905 J0JHC0000042 CHIP INDUCTOR 1 L5300 G1C3R3ZA0240 INDUCTION COIL 1 L5400 G1C4R5ZA0156 INDUCTION COIL 1 L5420 G1C4R5ZA0156 INDUCTION COIL 1 L5440 G1C3R3ZA0240 IN...

Page 64: ...D0GA473JA015 M 47KOHM J 1 16W 1 R905 D0GA272JA023 M 2 7KOHM J 1 16W 1 R906 D0GA272JA023 M 2 7KOHM J 1 16W 1 R907 D0GA272JA023 M 2 7KOHM J 1 16W 1 R908 D0GA272JA023 M 2 7KOHM J 1 16W 1 R909 D0GA272JA0...

Page 65: ...1 16W 1 R2025 D0GDR00J0004 M 0 OHM 1 8W 1 R2026 D0GA472JA023 M 4 7KOHM J 1 16W 1 R2027 D0GA473JA015 M 47KOHM J 1 16W 1 R2028 D0GA473JA015 M 47KOHM J 1 16W 1 R2029 D0GA152JA023 M 1 5KOHM J 0 063W 1 R2...

Page 66: ...108 D0GAR00J0005 M 0 OHM 1 16W 1 R4548 D0GA220JA023 M22 OHM J 1 16 W 1 R4549 D0GA151JA023 M 150 OHM J 1 16W 1 R4550 D0GA151JA023 M 150 OHM J 1 16W 1 R4551 D0GA151JA023 M 150 OHM J 1 16W 1 R4552 D0GA56...

Page 67: ...16W 1 R4803 D0GA103JA015 M 10KOHM J 1 16W 1 R4910 D0GA100JA023 M 10 OHM J 1 16W 1 PAVCA R4911 D0GA100JA023 M 10 OHM J 1 16W 1 PAVCA R4912 D0GA100JA023 M 10 OHM J 1 16W 1 PAVCA R4913 D0GA103JA015 M 10K...

Page 68: ...1271A087 M1 27KOHM J 1 16W 1 PAVCA R8102 D1BB2101A087 M 2 1KOHM J 1 10W 1 R8104 D1BB8200A087 M 820 OHM J 1 10W 1 R8106 D1BB2001A087 M 2KOHM J 1 10W 1 R8108 D0GB100JA065 M 10 OHM J 1 10W 1 R8110 D0GB10...

Page 69: ...6 W 1 R8609 D1BA6491A014 M6 49KOHM J 1 16 W 1 R8610 D0GA221JA023 M220 OHM J 1 16 W 1 R8611 D1BA49R9A014 M 49 9 OHM J 1 16 W 1 R8612 D1BA49R9A014 M 49 9 OHM J 1 16 W 1 R8613 D1BA49R9A014 M 49 9 OHM J 1...

Page 70: ...A066 M 3 3 OHM J 1 8W 1 PAVCA R9504 D1BD3R30A066 M 3 3 OHM J 1 8W 1 PAVCA R9505 D1BD3R30A066 M 3 3 OHM J 1 8W 1 PAVCA R9506 D1BD3R30A066 M 3 3 OHM J 1 8W 1 PAVCA R9507 D1BD3R30A066 M 3 3 OHM J 1 8W 1...

Page 71: ...16W 1 R9628 D0GD220JA059 M 22 OHM J 1 4W 1 PAVCA R9629 D0GA473JA015 M 47KOHM J 1 16W 1 R9640 D0GD1R0JA052 M 1 OHM J 1 4W 1 PAVCA R9641 D0GD244JA052 M 240KOHM J 1 8W 1 PAVCA R9645 D0GAR00J0005 M 0 OHM...

Page 72: ...Model No TC L42D30 Exploded View S 36...

Page 73: ...J0389 SCREW BC15 15 10 TKK4GC5031 LED_PANEL 1 PAVCA 11 TKKL5521 M6 CAP 4 12 TKP2AA26601 SIDE AV BRACKET 1 PAVCA 13 TKPB58401 COVER BOTTOM 1 14 TKPB58602 CONTROL_PANEL 1 PAVCA 15 TKX2AA04201 SPEAKER_BR...

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