Panasonic TX-L37G10E Service Manual

Lh89 chassis

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Operating instructions manual (20 pages)

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Service Manual

Specifications

(Informations in brackets [ ] refers to model 32")

Power Source:

Power Consumption

Stand-by Power Consumption: 0.3W (Without monitor out recording)

Aerial Impedance:

Receiving System:

Receiving Channels:

Aerial Input:

Operating Conditions:

Scanning format:

PC signals:

220-240V AC, 50/60Hz

145W [123W]

15W (With monitor out recording)

75Ω unbalanced, Coaxial Type

PAL-I/H, B/G, D/K,

SECAM B/G, D/K, L/L'

PAL-525/60 (AV only)

DVB-T Digital terrestrial services

DVB-C Digital cable services

M.NTSC (AV only)

NTSC (AV only)

VHF E2-E12

VHF A-H (ITALY)

VHF R3-R5

UHF E21-E69

CATV S1-S10 (M1-M10)

CATV S21-S41 (Hyperband)

VHF/UHF

0°C ÷ 35°C

Temperature:

Humidity: 20% ÷ 80% RH (non condensing)

480i(60Hz), 480p(60Hz), 576i(50Hz), 576p(50Hz), 720p(60Hz), 720p(50Hz), 1.080i(60Hz),

1.080i(50Hz), 1.080p(60Hz), 1.080p(50Hz), 1080p(24Hz)

VGA, SVGA, WVGA, XGA, SXGA, WXGA (compressed)

Horizontal scanning frequency

Vertical scanning frequency

Colour LCD Television

VHF H1-H2 (ITALY)

VHF A-J (IRELAND)

VHF R1-R2

VHF R6-R12

CATV (S01-S05)

CATV S11-S20 (U1-U10)

31 – 69 kHz

59 – 86 Hz

ORDER No. PCZ0903027CE

REVISION 2

TX-L37G10E

TX-LF37G10

TX-L32G10E

TX-LF32G10

TX-L32G10L

LH89 Chassis

Unauthorized copying and

distribution is a violation of law.

Table of Contents

Summary of Contents for Panasonic TX-L37G10E

Page 1 1.080i(50Hz), 1.080p(60Hz), 1.080p(50Hz), 1080p(24Hz) PC signals: VGA, SVGA, WVGA, XGA, SXGA, WXGA (compressed) Horizontal scanning frequency 31 – 69 kHz Vertical scanning frequency 59 – 86 Hz © Panasonic Corporation 2008. Unauthorized copying and distribution is a violation of law.
Page 2 Intermediate Frequency: Video/Audio Video 38,9MHz, 33,9MHz Audio 33,4MHz (B/G), 33,16MHz (A2) 33,05MHz (NICAM B/G, D/K, L) 32,4MHz (D/K), 32,66MHz (CZ STEREO) 40,4MHz (L ), 39,75MHz (L NICAM) ’ ’ 32,9 (I), 32,35 (I NICAM) Colour 34,47MHz (PAL) 34,5MHz, 34,65MHz (SECAM) ’...
Page 3: Table Of Contents
CONTENTS SAFETY PRECAUTIONS ........... 4 SERVICE MODE FUNCTION ........14 GENERAL GUIDE LINES........4 SERVICE ..............15 TOUCH – CURRENT CHECK....... 4 OPTION BYTES DESCRIPTION ......16 PREVENTION OF ELECTROSTATIC DISCHARGE ADJUSTMENT METHOD.......... 17 (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) WIRING DIAGRAM ........... 18 DEVICES ..............
Page 4: 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 5: 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 6: 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 7: Applicable Signals
Applicable Signals Component (Y, Pb, Pr), HDMI Signal name COMPONENT HDMI 525 (480) / 60i 525 (480) / 60p 625 (576) / 50i 625 (576) / 50p 750 (720) / 60p 750 (720) / 50p 1,125 (1,080) / 60i 1,125 (1,080) / 50i 1,125 (1,080) / 60p 1,125 (1,080) / 50p 1,125 (1,080) / 24p...
Page 8: Service Hints
Service Hints How to remove the back cover Remove the 19 fixing screws. (see Fig.5) SCREWS SCREWS Fig.5 How to remove the Pedestal assembly Lay the main unit face down. (see Fig.6) Fig.6 Remove the 4 fixing screws and the pedestal assembly. (see Fig.7) SCREWS Fig.7...
Page 9: Chassis Board Layout
Chassis Board Layout G-BOARD P-UNIT A-BOARD V-BOARD Board Name Function A-Board AV Terminal, HDMI, AV Switch, Sound Processor, TV tuner, PC,SD Card, OFDM, ZWEI, GENX, EEPROM, ADV, Peaks AVC, Speaker out G-Board Side AV Terminal V-Board Remote Receiver, R&G LED, Timer Rec LED, C.A.T.S., SD LED P-Unit Main Input, Power Supply, Inverter Location of Lead Wiring...
Page 10: Setting Inspection
Setting Inspection Voltage Confirmation Confirm the following voltages: A board Description Test point Position Voltage TP2765 A03(pin 23) 5V±2% P17V TP2777 A03 (pin 12,13) 17V±2% SUB_F_12V TP2764 A03 (pin 16,17,19 12V±2% INV_ON TP2759 A20 (pin3) 2,85±2%...
Page 11: 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-L37G10E 37FHD Panasonic 2009LCD Self Check Complete 7BC1 O.K.
Page 12 TX-L32G10L 32FHD Panasonic 2009LCD Self Check Complete 78EB O.K. PEAKS-SOFT 1.205 ADAV O.K. PEAKS-EEP 01.00.0015 O.K. GenX-SOFT 1.00.00 MODEL ID GENX O.K.. GenX-EEP 1.03.37 030A3100 MEM1 O.K. GenX-ROMCORR 1.00.00 00000004 MEM2 O.K. ZWEI-SOFT 30000101 AVSW O.K. EDID 222b1b0bfb OFDM O.K.
Page 13: Power Led Blinking 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 14: 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 15: Service
SERVICE SERVICE Peaks SOFT 0.501 OPTION 1 Key Command ADJUST Peaks EEP 00.01.1120 OPTION 2 S e r v i c e 1 WB-ADJ LSI DATA 0.00.0a OPTION 3 OPTION STBY SOFT 1.00.00 Model ID SRV-TOOL STBY EEP 1.03.37 03033100 •...
Page 16: Option Bytes Description
Option Bytes Description OPTION1 ATP Search speed Slow (1) / Fast (0) 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) Pre Emphasis...
Page 17: 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 18: Wiring Diagram
Wiring diagram...
Page 19: Block Diagrams
Video & Stereo Audio Block Diagram TUNER TU2901 19 17 A-BOARD [EXCHANGE UNIT] IC3001 IC4510 [C1AB00002855] [C1AB00003045] AVSW RXA_CN,CP,0N,0P,1N,1P,2N,2P B5,A5,B4,A4 B3,A3,B2,A2 SIF_IN2 AV1_V CVBSIN6 SIF_IN1 RXB_CN,CP,0N,0P,1N,1P,2N,2P AV1_VOUT CVBS/Y+COUT3 D2,D1,E2,E1 AUXIN2R SAGCVBSOUT3 MAIN_RF_CVBS F2,F1,G2,G1 CVBSIN4 AV1_RED AUXIN2L FE_XIRQ MAIN_Y/CVBS AV1_GREEN RXC_CN,CP,0N,0P,1N,1P,2N,2P FE_PSYNC AIN4 J2,J1,K2,K1...
Page 21 Control Block Diagram A-BOARD VC27 HDMI_CEC HPD0 SUB3.3V_SENSE TV_SUB_ON IC2902 [EXCHANGE UNIT] IC8004 HDMI_CEC CK74 FBOUT HPD1 MAIN9V_SENSE DDCD_SCL [C0ZBZ0001567] FE_XRST IC8301 PWM_READY DTV9V_SENSE HPD2 CLOCK GEN FE_SCL DDCD_SDA CK27A [C1AB00003049] HDIN ADAV_SCL PANEL_AGW SUB5V_SENSE FE_SDA PANEL_LED_ON COM DEM CK33IN HDMI_5V_DET1 S2DET2 ADAV_SDA...
Page 22: Parts Location
Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. (IRELAND) (CONTINENTAL)
Page 23 Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. only 32´´ only 32´´ Difference for 37’’...
Page 24: 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 25 Cct Ref Parts Number Description Cct Ref Parts Number Description D1007 EZAEG2A50AX ESD SUPPRESSOR D4596 EZAEG2A50AX ESD SUPPRESSOR D1107 MA3X704A0L DIODE MA704ATX D4597 B0HCMM000014 DIODE D1112 MA2J72800L DIODE D4611 B0BC5R6A0275 DIODE D2014 MA2J11100L DIODE D4615 MA2J11100L DIODE D2017 MA2J11100L DIODE D4617 B0BC5R6A0275 DIODE...
Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description Q4903 2SC39380QL TRANSISTOR L3028 J0JCC0000287 COIL Q4904 2SD0601A0L TRANSISTOR L3700 J0JCC0000100 INDUCTOR Q4905 2SC39380QL TRANSISTOR L3701 J0JCC0000100 INDUCTOR Q5407 2SC584500L TRANSISTOR L3702 J0JCC0000364 INDUCTOR Q5408 2SC584500L TRANSISTOR L3703 J0JCC0000364 INDUCTOR Q5412 B1CHRE000005 TRANSISTOR...
Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description L8304 J0JHC0000045 COIL BLM18PG121SN1D R0956 ERJ2GEJ472X .063W 4K7 Ω L8501 J0JHC0000045 COIL BLM18PG121SN1D R0957 ERJ2GEJ472X .063W 4K7 Ω L8580 J0JHC0000075 COIL BLM21PG600SN1D R0958 ERJ2GEJ472X .063W 4K7 Ω R4420 J0JYC0000065 COIL R0959 ERJ2GEJ472X .063W...
Page 28 Cct Ref Parts Number Description Cct Ref Parts Number Description R2048 D1BB2802A055 0.1W 28K Ω R2780 ERJ3GEYJ751V 0.1W 750 Ω R2050 D1BB2802A055 0.1W 28K Ω R2905 ERJ2GE0R00X .063W 0 Ω R2051 D1BB2802A055 0.1W 28K Ω R2909 ERJ2GE0R00X .063W 0 Ω R2063 ERJ2GE0R00X .063W...
Page 29 Cct Ref Parts Number Description Cct Ref Parts Number Description R3108 ERJ2GEJ273X .063W 27K Ω R4208 ERJ2GEJ470X .063W 47 Ω R3112 ERJ2GE0R00X .063W 0 Ω R4209 ERJ2GEJ470X .063W 47 Ω R3113 ERJ2GE0R00X .063W 0 Ω R4210 ERJ2GEJ470X .063W 47 Ω R3115 ERJ2GEJ221X .063W...
Page 30 Cct Ref Parts Number Description Cct Ref Parts Number Description R4445 ERJ2GEJ101X .063W 100 Ω R4634 D1BB2200A055 0.1W 220 Ω R4446 ERJ2GEJ101X .063W 100 Ω R4635 EXB28V680JX .031W 68 Ω R4447 ERJ2GEJ101X .063W 100 Ω R4636 ERJ2GEJ680X .063W 68 Ω R4448 ERJ2GEJ101X .063W...
Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description R4914 ERJ2GEJ103X .063W 10K Ω R5502 ERJ2GEJ473X .063W 47K Ω R4915 ERJ2GEJ103X .063W 10K Ω R5503 ERJ2GEJ104X .063W 100K Ω R4916 ERJ2GEJ473X .063W 47K Ω R5504 ERJ2GEJ473X .063W 47K Ω R4917 ERJ2GEJ103X .063W...
Page 32 Cct Ref Parts Number Description Cct Ref Parts Number Description R8081 ERJ2GEJ103X .063W 10K Ω R8417 ERJ2GEJ104X .063W 100K Ω R8082 ERJ2RKF75R0X .063W 75 Ω R8418 ERJ2GEJ681X .063W 680 Ω R8083 ERJ2GEJ301X .063W 300 Ω R8421 ERJ2GEJ680X .063W 68 Ω R8086 ERJ2GEJ104X .063W...
Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description R8558 ERJ2GEJ680X .063W 68 Ω R8678 ERJ2GEJ222X .063W 2K2 Ω R8575 ERJ2GEJ680X .063W 68 Ω R8679 ERJ2GEJ222X .063W 2K2 Ω R8576 ERJ2GEJ680X .063W 68 Ω R8680 ERJ2GEJ222X .063W 2K2 Ω R8577 ERJ2GEJ680X .063W...
Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description C1029 F1G1C104A077 S.M.CAP 100nF C2319 F1H1H104A970 S.M.CAP 100nF C1102 F1J1A106A043 S.M.CAP 10µF C2321 F1H1H104A970 S.M.CAP 100nF C1103 F1G1C104A116 S.M.CAP 100nF C2323 F1H1H104A970 S.M.CAP 100nF C1104 F1G1C104A116 S.M.CAP 100nF C2325 F1J1H474A757 S.M.CAP 470nF C1106...
Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description C2942 F1G1H102A730 S.M.CAP C3141 F1G1C104A116 S.M.CAP 100nF C2943 F1G1H102A730 S.M.CAP C3143 F1G1C104A116 S.M.CAP 100nF C3002 F1G1H561A730 S.M.CAP 560pF C3144 F1J1A106A043 S.M.CAP 10µF C3003 F1G1H561A730 S.M.CAP 560pF C3145 F1G1C104A116 S.M.CAP 100nF C3004 F1G1H561A730 S.M.CAP...
Page 36 Cct Ref Parts Number Description Cct Ref Parts Number Description C4275 F1H0J1050012 S.M.CAP 6.3V 1000nF C4634 F1G1C104A116 S.M.CAP 100nF C4276 F1H0J1050012 S.M.CAP 6.3V 1000nF C4635 F1J1A106A043 S.M.CAP 10µF C4277 F1J1A106A043 S.M.CAP 10µF C4636 F1G1C104A116 S.M.CAP 100nF C4278 F1G1C104A116 S.M.CAP 100nF C4637 F1G1C104A116 S.M.CAP...
Page 37 Cct Ref Parts Number Description Cct Ref Parts Number Description C5560 F1J1A106A043 S.M.CAP 10µF C8037 F1G1C104A116 S.M.CAP 100nF C5561 F1J1A106A043 S.M.CAP 10µF C8038 F1G1C104A116 S.M.CAP 100nF C5562 F1G1C104A116 S.M.CAP 100nF C8039 F1G1C104A116 S.M.CAP 100nF C5602 F2H0J1010009 ELECT 6.3V 100µF C8040 F1G1C104A116 S.M.CAP 100nF...
Page 38 Cct Ref Parts Number Description Cct Ref Parts Number Description C8316 F1G1C271A117 S.M.CAP 270pF JK4700 K1FY119D0006 HDMI CONNECTOR C8317 F1G1C271A117 S.M.CAP 270pF JK8302 K1NA09E00080 SD SLOT C8319 F1G1C104A116 S.M.CAP 100nF JK8401 K1NA68B00053 CI SLOT C8320 F1G1C104A116 S.M.CAP 100nF K1KA09B00112 9P CONNECTOR C8321 F1G1C104A116 S.M.CAP...
Page 39 Cct Ref Parts Number Description Cct Ref Parts Number Description L5EDD8T00005 LCD PANEL TQB0E0810V CROATIAN TKZC5129 LCD SIDE MTG TQB0E0810W SLOVAKIAN TBM0E1732 MODEL LABEL TQB0E0810X CD ROM N0AC3FJ00001 P UNIT TQB0E0810Z ESTONIAN TKZG5045 P-PCB MTG METAL S I.C.s TBLA0407 PEDESTAL ASSY IC8502 X24CL37G10E EEPROM PEAKS-AVC...
Page 40 Cct Ref Parts Number Description Cct Ref Parts Number Description INSTRUCTION BOOKS TQB0E0812D FRENCH TQB0E0812U ENGLISH I.C.s IC8502 X24CLF37G10 EEPROM PEAKS-AVC TERMINALS AND LINKS K1PY51Y00027 LVDS WIRE A01-K01 TXJA010NFZ WIRE A10-V10 TXJA100NFZ WIRE A12-SPL/ TXJA120NFZ WIRE...
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 (Ω) (k=1,000, M=1,000,000) CAPACITORS All capacitors are ceramic 50V unless marked otherwise.
Page 71: Conductor Views
Conductor Views A-BOARD TNPH0779 – TOP Q4517 IC’S IC2008 Q4519 IC2301 Q4536 IC4200 Q4903 IC4201 2D Q4905 IC4202 2D Q5407 IC4203 1C Q5408 IC4510 5C Q5421 IC4511 5D Q5431 IC4512 5D Q5453 IC5533 1D Q5461 IC8001 4D Q5501 IC8002 3D Q5502 IC8003 Q5512 IC8403...
Page 72 A-BOARD TNPH0779 - BOTTOM Q2022 IC’S IC1100 Q2063 IC1101 Q2064 IC2750 Q2065 IC2902 Q3000 IC3001 Q3001 IC4513 Q3002 IC5405 Q3003 IC5409 Q3004 IC5441 Q3005 IC5480 Q4200 IC5512 Q4208 IC5534 Q4501 IC5600 Q4533 IC5601 Q4534 IC8004 Q4535 IC8301 Q4537 IC8302 Q4538 IC8401 Q4900 IC8404...
Page 73 V-BOARD TNPA4880 - TOP IC’S RM2500 1A SN2500 1A TRAN’S Q2500 Q2501 Q2503 Q2504 Q2505 Q2506 DIODE’S D2500 D2510 D2511...

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Panasonic TX-L37G10E Service Manual

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