Panasonic TX-L32S20E Service Manual

Glp25 chassis
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Service Manual
Specifications
(Information in brackets [ ] refers to model 32")
Power Source:
Rated Power Consumption:
Stand-by Power Consumption: 0.25W (Without monitor out recording)
Aerial Impedance:
Receiving System:
Receiving Channels:
Operating Conditions:
PC signals:
220-240V AC, 50Hz
145W [103W]
13W (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 (MPEG2 and MPEG4-AVC(H.264))
DVB-C (Digital cable services (MPEG2 and MPEG4-AVC(H.264))
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)
0°C ÷ 35°C
Temperature:
Humidity: 20% ÷ 80% RH (non condensing)
VGA, SVGA, XGA, SXGA(compressed)
Horizontal scanning frequency
Vertical scanning frequency
Colour LCD Television
GLP25 Chassis
VHF H1-H2 (ITALY)
VHF R1-R2
VHF R6-R12
CATV (S01-S05)
CATV S11-S20 (U1-U10)
VHF A-J (IRELAND)
31 – 69 kHz
59 – 86 Hz
ORDER No. PCZ1004037CE
REVISION 3
TX-L32S20E
TX-L32S20L
TX-LF32S20
TX-L32S20ES
TX-L37S20E
TX-L37S20L
TX-LF37S20
TX-L37S20ES
© Panasonic Corporation 2010.
Unauthorized copying and
distribution is a violation of law.

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Summary of Contents for Panasonic TX-L32S20E

  • Page 1 Humidity: 20% ÷ 80% RH (non condensing) PC signals: VGA, SVGA, XGA, SXGA(compressed) Horizontal scanning frequency 31 – 69 kHz Vertical scanning frequency 59 – 86 Hz © Panasonic Corporation 2010. 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) 32,90 I, 32.35MHz (NICAM) Colour 34,47MHz (PAL) 34,5MHz, 34,65MHz (SECAM) 38,3MHz, 38,15MHz (SECAM L’) Terminals: AV1 IN Video (21 pin) 1V p-p 75Ω...
  • Page 3: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ................4 GENERAL GUIDE LINES..............4 TOUCH – CURRENT CHECK.............. 4 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) DEVICES ......5 ABOUT LEAD FREE SOLDER (PBF)............6 SUGGESTED PB FREE SOLDER............6 APPLICABLE SIGNALS................7 SERVICE HINTS ..................
  • 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 backcover Lay the main unit face down. (see Fig.5) Fig.5 How to remove the Pedestal assembly Remove the 4 fixing screws and the pedestal assembly. (see Fig.6) SCREWS Fig.6 Remove the 17 fixing screws. (see Fig.7) SCREWS SCREWS Fig.7...
  • Page 9: Chassis Board Layout

    Chassis Board Layout G-UNIT POWER UNIT A-BOARD V-BOARD Board Name Function Tuner, AVSW,sLD,HDMI,CI Slot, Global A-Board Core, SD Slot, Speaker out Power Unit Power Supply, Main Input V-Board Remote Receiver, Cats, R/G LED G-Unit Side AV Connector Location of Lead Wiring To find the Part Number of required wire in Replacement Parts List click on the wire name in red box.
  • Page 10: Technical Description

    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 (for USB Rec.) TX-L32S20E None None TX-L32S20L None None TX-LF32S20 None None...
  • Page 11: Setting Inspection

    Setting Inspection Voltage Confirmation Confirm the following voltages: A board TP No. Voltage SUB1.8V TP5601 1.76V – 1.87V SUB1.2V TP5600 1.18V – 1.29V SUB3.3V TP5602 3.19V – 3.39V SUB5V TP5200 4.9V – 5.1V SUB9V TP5220 8.82V – 9.27V STB5V TP5400 4.9V –...
  • Page 12: 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. Panasonic 2010LCD 32FHD TX-L32S20E Self Check Complete C405 O.K.
  • Page 13 Panasonic 2010LCD 37FHD TX-L37S20L Self Check Complete C405 PEAKS-SOFT 1.013 O.K. PEAKS-EEP 01.01.0012 STBY O.K. LSI-PACKAGE 0.026 MEM1 O.K. MEM2 O.K. LSI-RELEASE 1.02 MODEL ID STBY-SOFT 1.00.00 ADAM O.K. 030E6100 STBY-EEP 1.01.3600 AVSW O.K. 00000010 STBY-ROMCORR 0.00.00 OFDM O.K. TEMP O.K.
  • 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 TV unit, press on the remote control for 3 times within 2 seconds.
  • Page 16: Service

    SERVICE SERVICE Peaks SOFT 1.013 OPTION 1 Key Command ADJUST Peaks EEP 01.01.0012 OPTION 2 WB-ADJ LSI PACKAGE 0.026 OPTION 3 OPTION LSI DATA 1.00.01 OPTION 4 • STBY SOFT 1.00.00 Model ID SRV-TOOL Press the 3/4 button to change the adjustment values or function. STBY EEP 1.01.3600 03256100...
  • 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 Display of SOS History PTCT:00.00.00.00.00 Time 00051:30 On/Off 0000042...
  • 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 axchanging 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 Tv Set 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 Description

    Option Bytes Description OPTION1 ATP Search Speed Slow (1) / Fast (0) TXT Ch Refresh On (1) / Off (0) ID-1 On (1) / Off (0) Macrovision Auto-Judge On (1) / Off (0) Surround enable low bit (*1) On (1) / Off (0) Surround enable low bit (*1) On (1) / Off (0) Pre Emphasis...
  • 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 CS-1000A equivalent) CA-210 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 Diagrams

    SP_L SP_R Block Diagram TU2901A JK8850 CN0100 TUNER SD CARD SLOT SERVICE A-BOARD V-BOARD 20 19 IIC2 (EXCHANGE UNIT) SN2500 AV1 _ROUT R1out AV1_R SUB5V SUB5V R3in AV1_LOUT STB3.3V STB3.3V L1out CVBSin4 D2500 AV1_L G_LED G_LED Q2501 L3in AV1_BLUE 41,42 36,37 30,31 25,26 R_LED...
  • Page 26: Parts Location

    Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. (UK) (CONTINENTAL)
  • Page 27 NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List.
  • Page 28: Replacement Parts List

    C1AB00002913 LEVEL SHIFTER K4ZZ09000014 G UNIT IC8402 C0ZBZ0001584 IC SWITCH N2QAYB000487 REMOTE CONTROL IC8921 TVRR431AJ FLASH MEMORY TBMA353 PANASONIC BADGE RM2500 PNJ4815M01TV RC RECEIVER TKP0E16001 CONNECTOR COVER SN2500 B3JB00000078 PHOTO IC DIODE TKP0E39001 AC CORD BRACKET TKX0E6001 SPEAKER BRACKET L...
  • Page 29 Cct Ref Parts Number Description Cct Ref Parts Number Description D5401 B0ACCJ000048 DIODE L3116 J0JCC0000287 COIL D5420 B0BC01700015 DIODE L3117 J0JCC0000287 COIL D5421 B0ACCJ000048 DIODE L3118 J0JCC0000287 COIL D5422 B0BC010A0007 DIODE L3119 J0JCC0000287 COIL D5423 B0ACCJ000048 DIODE L3120 J0JCC0000287 COIL D5424 B0BC02400011 ZENER DIODE...
  • Page 30 Cct Ref Parts Number Description Cct Ref Parts Number Description 0 Ω 0 Ω JS8360 D0GAR00Z0001 .063W R1203 D0GAR00Z0001 .063W 0 Ω 0 Ω JS8361 D0GAR00Z0001 .063W R1204 D0GAR00Z0001 .063W 0 Ω 0 Ω JS8362 D0GAR00Z0001 .063W R1205 D0GAR00Z0001 .063W 0 Ω...
  • Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description 100 Ω 220 Ω R2786 D0GA101JA015 .063W R3174 ERJ2GEJ221X .063W 100 Ω 220 Ω R2795 D0GA101JA015 .063W R3175 ERJ2GEJ221X .063W 0 Ω 220 Ω R2907 D0GAR00Z0001 .063W R3176 ERJ2GEJ221X .063W 10K Ω...
  • Page 32 Cct Ref Parts Number Description Cct Ref Parts Number Description 33 Ω 0 Ω R4703 D0GA330JA015 .063W R4997 D0GAR00Z0001 .063W 47K Ω 0 Ω R4704 D0GA473JA015 .063W R4999 D0GAR00Z0001 .063W 10K Ω 0 Ω R4708 ERJ2GEJ103X .063W R5000 D0GAR00Z0001 .063W 10K Ω...
  • Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description 10 Ω 150 Ω R5617 D0GB100JA041 0.1W R8414 EXB28V151JX .031W 3K3 Ω 100K Ω R5618 D1BB3301A055 0.1W R8415 EXB28V104JX CHIP RES 1K Ω 150 Ω R5620 D1BB1001A055 0.1W R8416 EXB28V151JX .031W 24K Ω...
  • Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description 68 Ω 33 Ω R8494 D0GA680JA015 .063W R8876 D0GA330JA015 .063W 68 Ω 33 Ω R8495 D0GA680JA015 .063W R8877 D0GA330JA015 .063W 68 Ω 10K Ω R8496 D0GA680JA015 .063W R8878 ERJ2GEJ103X .063W 68 Ω...
  • Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description C2502 F1G1C103A116 S.M.CAP 10nF C3136 F1G1H561A730 S.M.CAP 560pF C2505 F1H1C104A143 S.M.CAP 100nF C3137 F1G1H561A730 S.M.CAP 560pF C2514 F1J1A106A087 S.M.CAP 10µF C3138 F1G1H561A730 S.M.CAP 560pF C2750 F1G1C104A116 S.M.CAP 100nF C3139 F1G1H561A730 S.M.CAP 560pF C2751...
  • Page 36 Cct Ref Parts Number Description Cct Ref Parts Number Description C5477 F1H1A105A025 S.M.CAP 1µF C8039 F1G1C104A116 S.M.CAP 100nF C5600 F1K1E106A136 S.M.CAP 10µF C8040 F1G1C104A116 S.M.CAP 100nF C5601 F1K1E106A136 S.M.CAP 10µF C8041 F1G1C104A116 S.M.CAP 100nF C5602 F1G1E682A123 S.M.CAP 6.8nF C8042 F1H0J1050013 CERAMIC 6.3V 1µF...
  • Page 37 Cct Ref Parts Number Description Cct Ref Parts Number Description C8115 F1G1C104A116 S.M.CAP 100nF CN0100 K1KA08AA0714 8P CONNECTOR C8116 F1G1C104A116 S.M.CAP 100nF D3300 K7AAAY000006 OPT TERMINAL C8117 F1G1C104A116 S.M.CAP 100nF JK3301 K2HA7YYA0005 YUV, AUDIO I/O TERMINA C8118 F1J1A106A087 S.M.CAP 10µF JK3302 K1FY121A0009 SCART TERMINAL...
  • Page 38 Cct Ref Parts Number Description Cct Ref Parts Number Description RESISTORS A10-V10 TXJA10QFB-2 A10-V10 WIRE A12-SPK TXJA12QSB-2 A12-SPK L/R WIRE 0 Ω JS1026 D0GAR00Z0001 .063W A15-CN5 K1PY51Y00035 LVDS WIRE TERMINALS AND LINKS A02-S01 TXJA02QSB-2 A02-S01 WIRE DIFFERENCES FOR MODEL TX--L32S20L A09-P2 TXJA09QFB-2 A09-P2 WIRE...
  • Page 39 Cct Ref Parts Number Description Cct Ref Parts Number Description TPG0E9490 CARTON CAP TKZ0EC5015-1 LCD TOP BRACKET R BOTCUS TPD0E2124-1 BOTTOM CUSHION TBM0E2332 MODEL LABEL CARTON TPC0EA00501A CARTON TBL0E0118 PEDESTAL ASSY FIX TOPCUS TPD0E1125-1 TOP CUSHION N0AC3GJ00016 POWER UNIT INSTRUCTION BOOKS TBL0E0123 STAND MTG ASSY TKZ0EA5025...
  • Page 40 Cct Ref Parts Number Description Cct Ref Parts Number Description TKZ0EC5011 LCD TOP BRACKET L DIFFERENCES FOR MODEL TX--L37S20L TKZ0EC5012 LCD TOP BRACKET R TBM0E2128 MODEL LABEL EXPLODED VIEW TBL0E0104 PEDESTAL ASSY FIX N0AC4GJ00011 POWER UNIT A-L37S20L A P.C.B. TBL0E0122 STAND MTG ASSY TKZ0EG5021 A-PCB MTG SMALL BOTTOM...
  • Page 41 Cct Ref Parts Number Description Cct Ref Parts Number Description TRANSISTORS Q9970 DSC200100L TRANSISTOR RESISTORS 0 Ω JS1027 D0GAR00Z0001 .063W 22 Ω R0950 ERJ2GEJ220X .063W 22 Ω R0951 ERJ2GEJ220X .063W 750 Ω R9970 D0GB751JA041 0.1W 750 Ω R9971 D0GB751JA041 0.1W 10K Ω...
  • Page 42: 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 63: Conductor Views

    Conductor Views A-BOARD TNP8EA106 - TOP IC’S Q4512 IC1101 4B Q4513 IC2301 1B Q5000 IC5000 6C Q5240 IC5200 1A Q5600 IC5220 1A Q5601 IC5416 1A Q5605 IC8001 3D Q8400 IC8402 5C Q8401 IC8921 4D Q4704 TRAN’S DIODE’S Q2101 D3300...
  • Page 64 A-BOARD TNP8EA106 - BOTTOM IC’S Q2253 IC2950 Q2254 IC2952 Q2301 IC3000 Q3100 IC5600 Q3101 IC5601 Q3102 IC5603 Q3103 IC5604 Q3104 IC8300 Q3105 IC8302 Q4700 IC8400 Q4702 IC8401 Q5241 IC8950 Q5053 IC9980 6D* Q5054 Q5055 TRAN’S Q9970 Q2252 * Only for models TX-L37S20E, TX-L37S20L, TX-LF37S20, TX-L37S20ES.
  • Page 65 V-BOARD TNP8EV103 - TOP IC’S RM2500 1A TRAN’S Q2500 Q2501 Q2504...

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