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Service Manual
Specifications
Power Source:
Rated Power Consumption:
Stand-by Power Consumption: 0.30W
Aerial Impedance:
Receiving System:
220-240V AC, 50 / 60Hz
99W
75 unbalanced, Coaxial Type
DVB-T
Digital terrestrial services
DVB-C
Digital cable services
DVB-S/S2
Digital satellite services
Receiver frequency range – 950 MHz to 2,150MHz
LNB Power and Polarisation – Vertical: +13V
22 kHz Tone – Frequency: 22kHz ± 2kHz
Symbol Rate – Max. 30MS/s
FEC Mode – 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10
Demodulation – QPSK, 8PSK
DiSEqC – Version 1.0.
PAL I/H, B/G,
SECAM B/G, L/L'
VHF E2-E12
VHF A-H ( ITALY )
CATV (S01-S05)
CATV S11-S20 (U1-U10)
PAL D/K,
SECAM D/K
VHF R1-R2
VHF R6-R12
PAL 525/60
(AV only)
M.NTSC
(AV only)
NTSC
(AV only)
LCD Television
TX-L37ETW5
LA35 Chassis
(MPEG2 and MPEG4-AVC(H.264))
(MPEG2 and MPEG4-AVC(H.264))
(MPEG2 and MPEG4-AVC(H.264))
Horizontal: +18V
Current: Max. 500mA (overload protection)
Amplitude: 0.6V ± 0.2V
VHF H1-H2 ( ITALY )
UHF E21-E69
CATV S1-S10(M1-M10)
CATV S21-S41 (HYPERBAND)
VHF R3-R5
UHF E21-E69
© Panasonic Corporation 2012.
Unauthorized copying and
distribution is a violation of law.
ORDER No. PCZ1202003CE
REVISION 3

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Table of Contents
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Summary of Contents for Panasonic TX-L37ETW5

  • Page 1 CATV S11-S20 (U1-U10) CATV S21-S41 (HYPERBAND) PAL D/K, SECAM D/K VHF R1-R2 VHF R3-R5 VHF R6-R12 UHF E21-E69 PAL 525/60 (AV only) M.NTSC (AV only) NTSC (AV only) © Panasonic Corporation 2012. Unauthorized copying and distribution is a violation of law.
  • Page 2 VHF/UHF Aerial - Rear: Female F-type 75 Satellite dish input: 0°C  35°C Temperature: Operating Conditions: 20%  80% RH (non condensing) Humidity: Terminals: AV1 IN Video (21 pin) 1V p-p 75 Audio (21 pin) 500mV rms 10k RGB (21 pin) 0.7V p-p 75...
  • Page 3 Dimensions: Width: Height: Depth: Including TV stand 874mm 580mm 238mm TV set only 874mm 534mm 52mm Mass: Including TV stand 14.0kg TV set only 11.5kg Design and Specifications are subject to change without notice. Mass and dimensions shown are approximate. This equipment complies with the EMC standards listed below: EN55013, EN61000-3-2, EN61000-3-3, EN55020, EN55022, EN55024 Warning...
  • Page 4: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ........... 5 HOTEL MODE ............18 GENERAL GUIDE LINES........5 DATA COPY BY SD CARD........19 TOUCH – CURRENT CHECK....... 5 DATA COPY FROM TV SET TO SD CARD ..... 20 PREVENTION OF ELECTROSTATIC DISCHARGE DATA COPY FROM SD CARD TO TV SET ..... 21 (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) OPTION BYTES DESCRIPTION ......
  • Page 5: 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 6: 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 7: 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 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 D-sub 15P) Applicable input signal for PC is basically compatible to VESA standard timing.
  • Page 9: Service Hints

    Service Hints How to remove the backcover Remove the 4 fixing screws, the 1 fixing screw and WIFI DONGLE. (see Fig.5) SCREWS (1) THTD030J /1pcs/ (4) XYN4+F25FJK /4pcs/ Fig.5 Remove the 27 fixing screws, 4 caps and the backcover. (see Fig.6) SCREWS (1) THTD030J /14pcs/ (2) THEC1509 /13pcs/...
  • Page 10: Chassis Board Layout

    Chassis Board Layout P-BOARD A-BOARD FR-BOARD K-BOARD Board Name Function A-Board AV Terminal, HDMI, HDMI Switch, USB, USB HUB, Digital Audio Out, Tuner DVB-T/T2/C/S/S2, SD Card, CI slot, PC, Ethernet, Wireless LAN, Peaks IC, Speaker out, EEPROM, Flash Memory, DDR SDRAM FR-Board Image Processor, SPI Flash P-Board...
  • Page 11: Technical Description

    How to SELF CHECK: While pressing [VOLUME ( - )] button on the main unit, press the STATUS button on the remote control for more than 3 seconds. TV will be forced to the factory shipment setting after this SELF CHECK. Model and Keys: Keys Model No. One-to-One CI PLUS DTCP-IP Widevine Netflix (for USB Rec.) TX-L37ETW5...
  • Page 12: Setting Inspection

    Setting Inspection Voltage Confirmation A board Description Test point Voltage SUB1.1V TP8100 1.10V - 1.22V SUB 1.5 V TP8101 1.435V - 1.585V SUB1.8V TP8700 1.7V – 1.9V SUB3.3V TP5400 3.17V – 3.43V SUB5V TP5420 4.80V - 5.25V USB5V TP5440 4.94V – 5.40V FE1.2V TP5780 1.14V –...
  • Page 13: Self Check

    Self-check is used to automatically check the bus lines and hexadecimal code of the TV set. To enter Self-Check mode, keep pressing the down (-/v) button on the TV set and press the STATUS button on the remote control. To exit Self Check, switch off the TV set at the power button. TX-L37ETW5 37FHD Panasonic 2012LCD Self Check Complete...
  • Page 14: 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 15: 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 SERVICE While pressing (-/v) button on the TV unit, press on the remote control for 3 times within 2 seconds.
  • Page 16: Service

    SERVICE SERVICE Peaks SOFT 1.210 OPTION 1 14 Key Command ADJUST Peaks EEP 01.01.0033 OPTION 2 S e r v i c e 1 WB-ADJ LSI PACKAGE 2.41d OPTION 3 OPTION LSI DATA 1.00.07 OPTION 4 10  Press the 3/4 button to change the adjustment values or function. SRV-TOOL STBY SOFT 1.03.02...
  • Page 17: 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 18: 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 19: Data Copy By Sd Card

    Data Copy by SD Card 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. Following data can be copied. (Before exchanging) User setting data Copy to SD card...
  • Page 20: Data Copy From Tv Set To Sd Card

    Data Copy from TV set to SD Card Turn on the TV set. Insert SD card with a startup file (pwd file) to SD slot. 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 SD card.
  • Page 21: Data Copy From Sd Card To Tv Set

    Data Copy from SD Card to TV set Turn on the TV set. Insert SD card with Data to SD slot. 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 SD card to TV set.
  • Page 22: 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) Surround enable low bit ON (1) / OFF (0) Surround enable high bit ON (1) / OFF (0) Enable HDMI force reset ON (1) / OFF (0) TINT_Component_HDMI...
  • Page 23: Adjustment Method

    Adjustment Method Sub-Contrast/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 3)

    SP_L SP_R Block Diagram (1/3) JK1070 CN8660 CI SLOT SD SLOT 17,18 51,52 SUB1.8V SI_3.3V A-BOARD 12,13,14, FE_1.2V/2.5V [EXCHANGE UNIT] IC6851 TU_1.2V LNB_PWR [C1AB00003807] DMD_ IIC1 HS1BCLKIN 11,12 14,15 26,27 29,30 IC8900 IC8902 DISEQC_IIC1 HS1SYNCIN NAND FLASH EEPROM LDA4 HSVALIN Parallel TS HS1DIN[0;7] 21-31...
  • Page 26 Block Diagram (2/3) FR-BOARD PNL3.3V IC9350 FRC_1.8V IC9250 TC01 SPI FLASH 1 2 3 PNL12V TC11 3D_ON PANEL_TEST_ON 3D_ON OEBLK 157,158,159,160 27,28,29,30 LVDS TX CHB EVEN 161,162,164,165 32,33,35,36 166,167,168,169 37,38,39,40 FRC_XRST FRC_DONE 142,143,144,145 11,12,13,14 LVDS TX CHB ODD 146,147,149,150 16,17,19,20 PANEL_TEST_ON 21,22,23,24 151,152,153,154...
  • Page 27 Block Diagram (3/3) TO A02 TO PANEL P-BOARD D7513 Q7301 Q7200 Q7201 D7302 KEY CONTROL D7301 MAIN INPUT JK7100...
  • Page 28: Parts Location

    Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. TMK0EA319 TMK0EA323 TMK0EA159 TMK0EA328...
  • Page 29 Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List.
  • Page 30: Replacement Parts List

    Replacement Parts List Important Safety Notice Components Identified by mark have special characteristics important for safety. * When replacing any of these components, use only manufacturers specified parts. In case of ordering these spare parts, please always add the complete Model-Type number to your order. RTL (Retention Time Limited) Note: The marking (RTL) indicates that the Retention Time is Limited for this item.
  • Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description IC5440 C0DBAYY01283 STEP DOWN CONVERTER D6852 B0ECKP000002 DIODE IC5720 C0DBGFD00102 REGULATOR D6853 B0JCME000093 DIODE IC5780 C0DBAYY01300 REGULATOR D6854 B0BC4R700007 ZENER DIODE IC6851 C1AB00003807 LNB SUPPLY AND CONTROL D6856 B0BC4R700007 ZENER DIODE IC7201 C0DBBYY00051 PFC CONTROL IC...
  • Page 32 Cct Ref Parts Number Description Cct Ref Parts Number Description L3103 J0JYC0000156 COIL FL9059 EXC28CE201U FILTER L3108 J0JYC0000156 COIL FL9060 EXC28CE201U FILTER L3111 J0JYC0000156 COIL FL9061 EXC28CE201U FILTER L3112 J0JYC0000156 COIL FL9068 EXC28CE201U FILTER L3113 J0JYC0000156 COIL FL9069 EXC28CE201U FILTER L3116 J0JYC0000156 COIL...
  • Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description R2034 D0GAR00J0005 .063W R3234 D0GB203ZA038 0.1W OTH R2051 D0GA101JA023 .063W R3237 D0GB473JA072 0.1W R2053 D0GA473JA023 .063W R3238 D0GB473JA072 0.1W R2054 D0GA104JA023 .063W 100K R3752 D1BD1911A066 .125W 1K91 R2055 D0GA103JA023 .063W R3753 D1BD3091A066 .125W...
  • Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description R4908 D0GA102JA023 .063W R7201 ERX1SJR56V METAL R4913 D0GAR00J0005 .063W R7203 D0GD104JA052 .125W 100K R4914 D0GAR00J0005 .063W R7205 D0GD101JA059 0.25W R4955 D0GA103JA023 .063W R7206 D1BD8203A066 .125W 820K R4956 D0GA102JA023 .063W R7207 D0GD470JA052 .125W R4973...
  • Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description R7516 D0GD471JA052 .125W R8426 D0GA473JA023 .063W R7517 D0GD473JA052 .125W R8427 D0GA473JA023 .063W R7519 D1BD1542A066 .125W 15K4 R8429 D0GA473JA023 .063W R7520 D1BD2871A066 .125W 2K87 R8433 D0GA103JA023 .063W R7521 D0GD473JA052 .125W R8434 D0GA103JA023 .063W R7522...
  • Page 36 Cct Ref Parts Number Description Cct Ref Parts Number Description R8667 D1HY5604A012 .063W R9257 D1HY2204A012 .063W R8668 D1HY5604A012 .063W R9258 D1HY2204A012 .063W R8669 D0GA220JA023 .063W R9259 D1HY2204A012 .063W R8673 D1BB1200A055 0.1W R9260 D1HY2204A012 .063W R8674 D1BB2000A055 0.1W R9261 D0GA220JA023 .063W R8755 D0GA104JA023 .063W...
  • Page 37 Cct Ref Parts Number Description Cct Ref Parts Number Description C3147 F1J1A106A087 S.M.CAP 10µF C5420 F1K1V106A010 S.M.CAP 10µF C3151 F1H1A105A099 S.M.CAP 1000nF C5421 F1K1V106A010 S.M.CAP 10µF C3152 F1H1A105A099 S.M.CAP 1000nF C5422 F1G1C104A077 S.M.CAP 100nF C3159 F1H1A105A099 S.M.CAP 1000nF C5423 F1J0J2260004 S.M.CAP 6.3V 22µF...
  • Page 38 Cct Ref Parts Number Description Cct Ref Parts Number Description C7311 F1J1H101A906 S.M.CAP 100pF C8218 F1G1C104A077 S.M.CAP 100nF C7312 F1J1H105A919 S.M.CAP 1000nF C8220 F1G1C104A077 S.M.CAP 100nF C7313 F2A1H330A122 ELECT 33µF C8221 F1G1C104A077 S.M.CAP 100nF C7314 F1J1H102A909 S.M.CAP C8224 F1G1C104A077 S.M.CAP 100nF C7316 F1A3A102A060...
  • Page 39 Cct Ref Parts Number Description Cct Ref Parts Number Description C8661 F1G1C104A077 S.M.CAP 100nF C9252 F1G1A104A069 S.M.CAP 100nF C8668 F1G1C104A077 S.M.CAP 100nF C9253 F1G1H471A830 S.M.CAP 470pF C8669 F1J1A106A087 S.M.CAP 10µF C9254 F1J0G2260001 S.M.CAP 22µF C8670 F1J0G2260001 S.M.CAP 22µF C9256 F1G1A104A069 S.M.CAP 100nF C8671...
  • Page 40 Cct Ref Parts Number Description Cct Ref Parts Number Description P4-CN TXJ/P4UJUE P4-PANEL WIRE TC01 K1MY51BA0526 51P CONNECTOR TC02 K1MY41BA0526 41P CONNECTOR TC11 K1MY60BA0526 60P CONNECTOR SWITCHES SW3750 EVQ11G05R SWITCH SW3754 EVQ11G05R SWITCH SW3755 EVQ11G05R SWITCH SW3756 EVQ11G05R SWITCH SW3757 EVQ11G05R SWITCH SW3758...
  • Page 41: Schematic Diagrams

    Schematic Diagrams 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 70: Conductor Views

    Conductor Views A-BOARD TNPH0993 - TOP I C 9 9 8 0 R2712 CN0100 R0922 IC9980 R0923 C0074 TP8912 TP8915 TP8917 C N 0 1 0 0 C2701 C5408 TP8913 TP8914 TP8916 R8666 R5403 VJ5400 C2703 TP8671 C2702 C N 8 6 6 0 C0068 C5410 A 0 8...
  • Page 71 A-BOARD TNPH0993 - BOTTOM TP0911 TP0909 TP0907 TP0905 TP0903 TP0901 TP0900 TP0912 TP0908 TP0906 TP0904 TP0902 TP0910 TP8397 TP8665 TP8910 TP8911 TP8360 TP8362 TP8361 TP8358 TP8668 TP8662 TP8359 TP8404 TP8390 TP8388 TP8663 TP8667 TP8357 TP8392 TP8401 TP8356 TP8393 TP8355 TP8666 TP8396 TP8387 TP8395...
  • Page 72 P-BOARD TNPA5583 - TOP SW3750 SW3755 SW3756 SW3757 SW3758 SW3754 S W 3 7 5 0 S W 3 7 5 5 S W 3 7 5 6 S W 3 7 5 7 S W 3 7 5 8 S W 3 7 5 4 POWER VOL.DN...
  • Page 73 P-BOARD TNPA5583 - BOTTOM T P 3 7 5 0 SW3754 SW3758 SW3757 SW3756 SW3755 SW3750 C3750 C3751 非充電 S W 3 7 5 8 S W 3 7 5 7 S W 3 7 5 4 S W 3 7 5 5 S W 3 7 5 0 S W 3 7 5 6 R3758...
  • Page 74 FR-BOARD TNPA5587 - TOP C9332 R9085 C9331 TC04 T C 0 4 C9330 R9258 I C 9 1 0 0 R9080 R9260 R9259 R9257 R9256 R9008 R9005 R9015 R9013 R9011 R9009 R9007 R9006 R9004 R9014 R9012 R9010 R9271 C9252 2 0 8 R9270 R9087 TD10006...
  • Page 75 K-BOARD TNPA5604 - TOP C R N O . 2 S U F F I X . R2803 R2809 D2803 R2804 R2810 C2803 R2805 C2805 R2800 D2801 SN2800 C2809 D2805 C2802 R2807 R2808 C2804 C2807 R2806 D2804 T N P A 5 6 0 4 K 1 0 D2802 R M 8 0 0...

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