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Service Manual

This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not
contain warnings or cautions to advise non-technical individuals of potencial dangers in attempting to service a product. Products
powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the
product or products deal within this service information by anyone else could result in serious injury or death.
There are special components used in this equipment which are important for safety. These parts are marked
Schematic Diagrams, Circuit Board Diagrams, Explorer Views and Replacement Parts List. It is essential that these
critical parts should be replaced with manufacturer´s specified parts to prevent shock, fire or other hazards. Do not
modify the original design without permission of manufacturer.
Warning
IMPORTANT SAFETY NOTICE
ORDER No. PCZ1302016CE
LCD Television
TX-L42ET60B
TX-L42ET60Y
TX-LR42ET60
LA41 Chassis
© Panasonic Corporation 2013.
Unauthorized copying and
distribution is a violation of law.
in the

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Summary of Contents for Panasonic X-L42ET60B

  • Page 1: Service Manual

    Schematic Diagrams, Circuit Board Diagrams, Explorer Views and Replacement Parts List. It is essential that these critical parts should be replaced with manufacturer´s specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of manufacturer. © Panasonic Corporation 2013. Unauthorized copying and distribution is a violation of law.
  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ........... 3 GENERAL GUIDE LINES........3 TOUCH – CURRENT CHECK....... 3 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) DEVICES ..............4 ABOUT LEAD FREE SOLDER (PBF)......5 SUGGESTED PB FREE SOLDER......5 SERVICE NAVIGATION ..........6 CHASSIS BOARD LAYOUT........
  • Page 3: Safety Precautions

    Safety Precautions General Guide Lines 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. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 4: Prevention Of Electrostatic Discharge (Esd) To Electrostatically Sensitive (Es) Devices

    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"...
  • Page 5: About Lead Free Solder (Pbf)

    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

    Service Navigation Chassis Board Layout P-BOARD GK-BOARD A-BOARD K-BOARD Board Name Function A-Board AV Terminal, HDMI, USB, Digital Audio Out, Tuner DVB-T/T2/C, CI slot, SD slot, Ethernet, Headphones, Wireless LAN, Peaks IC, Speaker out, Woofer, Flash Memory, DDR SDRAM P-Board Main Input, Power Supply K-Board Remote Receiver, Power and Timer LED, C.A.T.S...
  • Page 7: Service Hints

    Service Hints How to remove the backcover Remove the 1 fixing screw and WIFI DONGLE. (see Fig.5) SCREWS (1) THEC1509 /1pcs/ Fig.5 Remove the 27 fixing screws, 4 caps and the backcover. (see Fig.6) SCREWS (1) THEC1509 /27pcs/ (2) TKKL5521 /4pcs/ Fig.6 How to remove the pedestal assembly.
  • Page 8: Applicable Signals

    Applicable Signals Component (Y, Pb, Pr) (from AV2 terminal), HDMI Signal name COMPONENT HDMI 525 (480) / 60i,60p 625 (576) / 50i, 50p 750 (720) / 60p, 50p 1,125 (1,080) / 60i, 50i 1,125 (1,080) / 60p 1,125 (1,080) / 50p 1,125 (1,080) / 24p PC (from HDMI terminal) Applicable input signal for PC is basically compatible to HDMI standard timing.
  • Page 9: Specifications

    Specifications 220-240V AC, 50 / 60Hz Power Source: Rated Power Consumption: Stand-by Power Consumption: 0.20W 75 unbalanced, Coaxial Type Aerial Impedance: Receiving System: L42ET60B (UK) DVB-T/T2 Digital terrestrial services ( MPEG2 and MPEG4-AVC(H.264) PAL I UHF E21-E68 PAL 525/60 (AV only) M.NTSC (AV only) NTSC...
  • Page 10 HDMI1, HDMI2, HDMI3 Type A Connectors HDMI 1/3 : 3D, Content Type, Deep Colour HDMI 2 : 3D, Content Type, Audio Return Channel, Deep Colour This TV supports “HDAVI Control 5” function. DIGITAL AUDIO OUT PCM / Dolby digital / DTS, Fiber optic USB 1/2 USB 2.0 DC 5V Max 500mA ETHERNET...
  • Page 11: Technical Description

    Technical Description Specification of KEY for CI Plus, DTCP-IP, One-to-One, Netflix, Widewine and HDCP General information: 1. NAND FLASH (IC8900) for spare parts has the seed of KEY for each. 2. The final KEY data will be generated by MT5590 IC (IC8000) when SELF CHECK was done and are stored in both MT5590 IC (IC8000) and NAND FLASH (IC8900).
  • Page 12: Setting Inspection

    Setting Inspection Voltage Confirmation A board Description Test point Voltage PANEL12V TP4000 / TP4001 11.5V – 12.5V SUB5V TP0900 4.95V - 5.4V SUB3.3V TP5400 3.17V – 3.43V SUB1.8V TP8714 1.70V – 1.90V SUB 1.5 V TP8100 1.435V - 1.585V SUB1.2V TP8101 1.14V - 1.26V USB5V...
  • Page 13: Service Mode Function

    Service Mode Function MPU controls the functions switching for each IICs through IIC bus in this chassis. The following setting and adjustment can be adjusted by remote control in Service Menu How to enter into Service Mode While pressing [VOLUME ( - )] button on the main unit, press the [RED] button on the remote control for 3 times within 2 seconds.
  • Page 14: Service

    SERVICE SERVICE Peaks SOFT 3.6669 OPTION 1 14 Key Command ADJUST Peaks EEP 01.02.0081 OPTION 2 ee S e r v i c e 1 WB-ADJ LSI PACKAGE 0.023 OPTION 3 01 OPTION LSI DATA 1.00.08 OPTION 4 10  SRV-TOOL STBY SOFT 1.01.02...
  • Page 15: Service Tool Mode

    Service Tool Mode How to access Select [SRV-TOOL] in Service Mode. Press [OK] button on the remote control. SRV-TOOL Display of TD2Microcode version TD2Microcode:005a0910 Flash ROOM: AD – F1 Display of Flash ROM maker code POWER ON TIME/COUNT PTCT:00.00.00.00.00 Time 00051:30 On/Off 0000042 Display of SOS History Press [MUTE] button (3sec)
  • Page 16: Hotel Mode

    Hotel Mode 1. Purpose Restrict a function for hotels. 2. Access command to the Hotel mode setup menu. In order to display the Hotel mode setup menu, please enter the following command (within 2 second). [TV] : Vol.[Down] + [REMOTE] : AV (3 times) Then, the Hotel mode setup menu is displayed.
  • Page 17: Data Copy By Usb Memory

    Data Copy by USB Memory 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. Following data can be copied. (Before exchanging) User setting data Copy to USB Memory...
  • Page 18: Data Copy From Tv Set To Usb Memory

    Data Copy from TV set to USB Memory Turn on the TV set. Insert USB Memory with a startup file (pwd file) to USB Terminal. On-screen Display will be appeared according to the startup file automatically. 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: Data Copy From Usb Memory To Tv Set

    Data Copy from USB Memory to TV set Turn on the TV set. Insert USB Memory with Data to USB Terminal. On-screen Display will be appeared according to the Data folder automatically. 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: Option Bytes Description

    Option Bytes Description OPTION1 TEXT Ch Refresh ON (1) / OFF (0) ID-1 ON (1) / OFF (0) Macrovision Auto-judge ON (1) / OFF (0) “BassBoost” sound menu enable ON (1) / OFF (0) “Digital Remaster” sound menu enable ON (1) / OFF (0) Enable HDMI force reset ON (1) / OFF (0) TINT_Component_HDMI...
  • Page 21: Self Check

    Self Check How to access Self-check indication only: While pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control. Self-check indication and forced to factory shipment setting: While pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote control for more than 3 seconds. How to exit Switch off the power with the [POWER] button on the main unit.
  • Page 22: Power Led Blinking Timing Chart

    Power LED blinking timing chart Subject Information of LED Flashing timing chart. Contents When 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 number of blinking of the Power LED on the front panel of the unit. Blinking Blinking timing Contents...
  • Page 23: Adjustment Method

    Adjustment Method White Balance Adjustment Instrument Name Connect to Remarks Remote controller Correlation can be also taken by LCD WB meter (Minolta CA-210 or equivalent) CS-1000A or equivalent Comunication jig Computer for external control Procedure Remarks Let the panel standfor more than 3 hours at more than 20 C.
  • Page 24: Wiring Diagram

    Wiring Diagram LCD PANEL...
  • Page 25: Block Diagram (1 Of 2)

    Block Diagram (1/2) ETHERNET CI SLOT SD CARD SERVICE JK8400 JK8600 JK8650A CN0100 17,18 51,52 A-BOARD [EXCHANGE UNIT] IIC_2 TTU_SCL/SDA 21,20 45,46 TAINP/TAINM 37,38 IC6800 RST_X SUB3.3V DVB-T/T2/C TIFAGC DEMODULATOR SUB3.3V DMD_1.1V T8600 EU_TU_1.8V GPI01 TS Parallel 3,4,5,8,9,12 IC8900 SCL/SDA 13,14,15,16,17 SCL/SDA NAND FLASH...
  • Page 26 Block Diagram (2/2) TO GK4 TO A02 TO PANEL K-BOARD P-BOARD TO A10 TO P4 GK-BOARD SW2851 Q7201 SW2857 SW2852 SW2853 SW2854 SW2855 D7105 D7104 MAIN INPUT JK7101...
  • Page 27: Parts Location

    Parts Location (UK) (CONTINENTAL) TMK0EA389 TMK0EG081 TMK0EG099 TMK0EA216 TMK0EA389 TMK0EA271...
  • Page 28 Parts Location...
  • Page 29: Location Of Lead Wiring

    Location of Lead Wiring JK7101 TU6705 Woofer SP_R SP_L WIFI...
  • Page 30: Replacement Parts List Note

    Replacement Parts List Note All parts except parts mentioned [PAVCCZ] in the Remarks column are supplied by AVC-CSPC. Note: Parts mentioned [PAVCCZ] are supplied by PAVCCZ. Notice: Be sure to make your orders of replacement parts according to this list. RTL (Retention Time Limited) Note: The marking (RTL) indicates that the Retention Time is Limited for this item.
  • Page 31: Replacement Parts List

    Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks A-L42ET60B CIRCUIT BOARD A 1 (TX-L42ET60B) PAVCCZ A-L42ET60Y CIRCUIT BOARD A 1 (TX-L42ET60Y) PAVCCZ A-LR42ET60 CIRCUIT BOARD A 1 (TX-LR42ET60) PAVCCZ TXN/K1YDUE CIRCUIT BOARD K 1 PAVCCZ TXN/P1YDUE CIRCUIT BOARD P...
  • Page 32 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C3166 F1G1H1020008 C 1NF, , 50V 1 PAVCCZ C3180 F1G1C104A077 C 100NF, , 16V 1 PAVCCZ C3181 F1G1A105A047 C 1000NF, , 10V 1 PAVCCZ C3300 F1J1E105A287 C 1000NF, , 25V...
  • Page 33 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C5022 F1G1A105A047 C 1000NF, , 10V 1 PAVCCZ C5026 F1H1E105A153 C 1000NF, , 25V 1 PAVCCZ C5171 F1G1C1030008 C 10NF, , 16V 1 PAVCCZ C5181 F1G1H332A830 C 3300PF, , 50V...
  • Page 34 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C6840 F1G1C104A077 C 100NF, , 16V 1 PAVCCZ C6844 F1G1C104A077 C 100NF, , 16V 1 PAVCCZ C6847 F1G1H8R0A833 C 8PF, -, 50V 1 PAVCCZ C6848 F1G1H8R0A833 C 8PF, -, 50V...
  • Page 35 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8016 F1G1C104A077 C 100NF, , 16V 1 PAVCCZ C8018 F1G1C104A077 C 100NF, , 16V 1 PAVCCZ C8019 F1J0G2260001 C 22UF, , 4V 1 PAVCCZ C8021 F1G1A105A047 C 1000NF, , 10V...
  • Page 36 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8233 F1G1C104A077 C 100NF, , 16V 1 PAVCCZ C8234 F1G1C104A077 C 100NF, , 16V 1 PAVCCZ C8236 F1H0J4750004 C 4700NF, , 6.3V 1 PAVCCZ C8237 F1G1A105A047 C 1000NF, , 10V...
  • Page 37 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D2802 B3AGB0000060 1 PAVCCZ D3007 DZ2J140M0L DIODE 1 PAVCCZ D3008 DZ2J140M0L DIODE 1 PAVCCZ D3009 DZ2J140M0L DIODE 1 PAVCCZ D3010 DZ2J140M0L DIODE 1 PAVCCZ D3011 DZ2J140M0L DIODE...
  • Page 38 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks IC5203 C0EBD0000300 IC VOLTAGE DETECTOR 1 PAVCCZ IC5300 C0DBAYY01648 IC STEP-DOWN DC/DC CONVERTER 1 PAVCCZ IC5702 C0DBAYY01656 IC DC/DC CONVERTER 1 PAVCCZ IC6800 C1AB00004028 IC DVB-T2/T/C DEMODULATOR 1 PAVCCZ IC7201 C0DBBYY00058...
  • Page 39 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks L4001 J0ZZB0000147 FILTER 1 PAVCCZ L4002 J0ZZB0000147 FILTER 1 PAVCCZ L4003 J0ZZB0000147 FILTER 1 PAVCCZ L4004 J0ZZB0000147 FILTER 1 PAVCCZ L4005 J0ZZB0000147 FILTER 1 PAVCCZ L4006 J0ZZB0000147...
  • Page 40 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Q4700 B1ABCF000231 TRANSISTOR 1 PAVCCZ Q4701 B1ABCF000231 TRANSISTOR 1 PAVCCZ Q4750 B1ABCF000231 TRANSISTOR 1 PAVCCZ Q5140 B1ABCE000015 TRANSISTOR 1 PAVCCZ Q5141 B1ABCE000015 TRANSISTOR 1 PAVCCZ Q5142 B1ADCE000022...
  • Page 41 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R2852 D1BD1911A177 M 1K91 OHM, F, 1/8W 1 PAVCCZ R2853 D1BD3091A177 M 3K09 OHM, F, 1/8W 1 PAVCCZ R2854 D1BD6041A076 M 6K04 OHM, F, 1/8W 1 PAVCCZ R2855 D1BD1692A177...
  • Page 42 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R4707 D0GA680JA023 M 68 OHM, J, 1/16W 1 PAVCCZ R4708 D0GA680JA023 M 68 OHM, J, 1/16W 1 PAVCCZ R4709 D0GA680JA023 M 68 OHM, J, 1/16W 1 PAVCCZ R4710 D0GA680JA023...
  • Page 43 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R5400 D0GA220JA023 M 22 OHM, J, 1/16W 1 PAVCCZ R5401 D1BA2202A023 M 22K OHM, F, 1/16W 1 PAVCCZ R5402 D0GB911ZA037 M 910 OHM, J, 1/10W 1 PAVCCZ R5403 D1BB2871A106...
  • Page 44 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7227 D1BF1504A073 M 1M5 OHM, F, 1/4W 1 PAVCCZ R7228 D1BF1504A073 M 1M5 OHM, F, 1/4W 1 PAVCCZ R7229 D1BD2003A066 M 200K OHM, F, 1/8W 1 PAVCCZ R7230 D1BD4422A066...
  • Page 45 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8204 D1BA1001A023 M 1K OHM, F, 1/16W 1 PAVCCZ R8206 D1BA1001A023 M 1K OHM, F, 1/16W 1 PAVCCZ R8207 D1BA1001A023 M 1K OHM, F, 1/16W 1 PAVCCZ R8217 D0GA101JA039...
  • Page 46 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8610 D0GA103JA039 M 10K OHM, J, 1/16W 1 PAVCCZ R8611 D0GA103JA039 M 10K OHM, J, 1/16W 1 PAVCCZ R8612 D0GA103JA039 M 10K OHM, J, 1/16W 1 PAVCCZ R8613 D0GA103JA039...
  • Page 47 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks SW2857 EVQ11G05R LIGHT TOUCH SWITCH 1 PAVCCZ T7201 G4DYA0000443 TRANSFORMER 1 PAVCCZ T7301 G4DYA0000448 TRANSFORMER 1 PAVCCZ T8600 G5BYC0000040 TRANSFORMER 1 PAVCCZ TU6705 J3ACAAC00007 TUNER 1 PAVCCZ X6800...
  • Page 48 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks BAT-C-0829 BATTERY COVER OF RC 1 PAVCCZ EAK1H06A SPEAKER_SQ 1 PAVCCZ EAK1H06A SPEAKER_SQ 1 PAVCCZ K1HY20YY0013 SCART CABLE 1 PAVCCZ K1YB02000004 CI SLOT GUIDE 1 PAVCCZ K2CQ2YY00107 AC CORD...
  • Page 49 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks TUC5ZJ50291 HEATSINK FRONT 1 PAVCCZ TUC5ZJ50491 HEATSINK REAR 1 PAVCCZ XTS4+10GFN SCREW 5 PAVCCZ XYN4+F10FNK SCREW M4X10 4 PAVCCZ XYN5+F18FN SCREW M5X18 8 PAVCCZ BOTCUS TPD0E22641 CUSHION BOTTOM 1 PAVCCZ...
  • Page 50 Model No. : TX-L42ET60B+Y+LR Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks SK226 THEC1509 SCREW 1 PAVCCZ SK227 THEC1509 SCREW 1 PAVCCZ SK228 THEC1509 SCREW 1 PAVCCZ SK301 THEC1509 SCREW 1 PAVCCZ SK302 THEC1509 SCREW 1 PAVCCZ SK303 THEJ036J...
  • Page 51: Schematic Diagrams Note

    Schematic Diagrams Note IMPORTANT SAFETY NOTICE Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturers' specified parts. NOTE RESISTOR All resistors are carbon ¼W resistor, unless marked otherwise. Unit of resistance is OHM () (k=1,000, M=1,000,000) CAPACITORS All capacitors are ceramic 50V unless marked otherwise.
  • Page 72: Conductor Views

    Conductor Views A-BOARD - TOP S R V - U S B 5 V CN0100 VJ0914 IC9980 VJ0931 C N 0 1 0 0 I C 9 9 8 0 C9980 R5444 C5451 R0935 S R V - 1 5 V T-PAD IC8704 R5447...
  • Page 73 A-BOARD - BOTTOM TP5440 TP0910 TP0912 TP0909 TP0907 TP0905 TP0903 TP0911 TP0920 TP0906 TP0904 TP0902 TP0901 TP8397 TP8390 TP8391 TP2028 TP2030 TP8396 TP2009 TP8392 TP2013 TP8389 TP2040 TP8387 TP2702 TP2010 TP2011 TP2029 TP8388 TP8393 TP2017 TP2045 TP5420 TP8394 TP2015 TP8350 TP8672 TP8671 TP2027...
  • Page 74 P-BOARD - TOP COLD J 1 1 8 Z A 7 1 0 3 J118 非充電 J 1 1 7 J117 J218 D7403-HEAT0 C7423 J 2 1 8 R7426 Q7407 Q7406 JS7506 JS7505 D 7 4 0 7 J S 7 5 0 6 L 7 4 0 2 L 7 4 0 1 D7502...
  • Page 75 P-BOARD - BOTTOM T P 7 4 1 6 T P 7 4 2 1 TNPA5766 T P 7 4 1 8 R 7 5 0 6 C 7 5 2 0 TP7416 TP7421 TP7418 R 7 5 0 5 TP7420 J118 C 7 5 2 5...
  • Page 76 K-BOARD - TOP K 1 0 L O W E R D2805 R2800 R2807 R2820 R2801 R2808 R2802 R2809 C2802 C2800 C2803 S U F F I X . T N P A 5 8 5 5 K-BOARD - BOTTOM T N P A 5 8 5 5 S E E R E V E R S E F O R S U F F I X .
  • Page 77 GK-BOARD - TOP P O W E R V O L D N V O L U P C H D N C H U P I N P U T _ C H G TNPA5812 SW2857 SW2851 SW2852 SW2853 SW2854 SW2855 1 GK...

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