Panasonic TX-37LZD80F Service Manual

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Operating instructions manual (52 pages)

Operating instructions manual (16 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:

Operating Conditions:

Scanning format:

PC signals:

220-240V AC, 50/60Hz

190W [150W]

19W (With monitor out recording)

75Ω unbalanced, Coaxial Type

LZD80

PAL-I,

PAL-525/60 (AV only)

DVB (via UHF aerial input)

M.NTSC (AV only)

NTSC (AV only)

LZD80

UHF E21-E68

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, XGA, SXGA(compressed)

Horizontal scanning frequency

Vertical scanning frequency

Colour LCD Television

LZD80F

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

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

PAL-525/60 (AV only)

DVB (via VHF/UHF aerial input)

M.NTSC (AV only)

NTSC (AV only)

LZD80F

VHF E2-E12

VHF A-H (ITALY)

VHF R3-R5

UHF E21-E69

CATV S1-S10 (M1-M10)

CATV S21-S41 (Hyperband)

31 – 69 kHz

59 – 86 Hz

ORDER No. PCZ0802006CE

TX-37LZD80

TX-37LZD80F

TX-32LZD80

TX-32LZD80F

LH69 Chassis

VHF H1-H2 (ITALY)

VHF R1-R2

VHF R6-R12

CATV (S01-S05)

CATV S11-S20 (U1-U10)

Panasonic CS ( U.K. ) Ltd.

WILLOUGHBY ROAD,

BRACKNELL,

RG12 8FT.

BERKS.,

Table of Contents

Summary of Contents for Panasonic TX-37LZD80F

Page 1: Service Manual
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) PC signals: VGA, SVGA, XGA, SXGA(compressed) Horizontal scanning frequency 31 – 69 kHz Vertical scanning frequency 59 – 86 Hz Panasonic CS ( U.K. ) Ltd. WILLOUGHBY ROAD, BRACKNELL, BERKS., RG12 8FT.
Page 2 Intermediate Frequency: Video/Audio LZD80 LZD80F Video 38,9MHz 38,9MHz, 33,9MHz Audio 32.90MHz 33,4MHz (B/G), 33,16MHz (A2) 32.35MHz(NICAM) 33,05MHz (NICAM B/G, D/K, L) 32,4MHz (D/K), 32,66MHz (CZ STEREO) 40,4MHz (L ), 39,75MHz (L NICAM) ’ ’ Colour 34,47MHz 34,47MHz (PAL) 34,5MHz, 34,65MHz (SECAM) ’...
Page 3: Table Of Contents
CONTENTS SAFETY PRECAUTIONS ........... 4 SERVICE ..............15 GENERAL GUIDE LINES........4 OPTION BYTES DESCRIPTION ......16 TOUCH – CURRENT CHECK....... 4 ADJUSTMENT METHOD.......... 17 PREVENTION OF ELECTROSTATIC DISCHARGE WIRING DIAGRAM ........... 18 (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) BLOCK DIAGRAMS..........19 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 backcover Remove the 20 [21] fixing screws. (see Fig.5) SCREWS SCREWS Fig.5 How to remove the Pedestal assembly Lay the main unit face down. (see Fig.6) Remove the 4 fixing screws and the pedestal assembly. (see Fig.7) SCREWS Fig.7 Fig.6...
Page 9: Chassis Board Layout
Chassis Board Layout G-BOARD P-BOARD A-BOARD M-BOARD V-BOARD Board Name Function A-Board AV Terminal, AV Switch, Sound Processor, Speaker out, TV tuner, PC, SD,Global Core, HDMI, IDTV Processor, D/A Converter, Peaks Lite 2 P-Board Main Input, Power Supply, Power Supply Regulator, Speaker out G-Board Side AV Terminal V-Board...
Page 10: Setting Inspection
Setting Inspection Voltage Confirmation Confirm the following voltages: P board Description Test point Position Normal mode Stand by mode Active stand by mode Sound_Vcc TP7050 P7, pin 1,2 18V +/- 1V Max 3V Max 3V BT_30V TP7060 P7, pin 5 31V +/- 1V Max 3V 31V +/- 1V...
Page 11: Self-Check
(-/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-37LZD80 37FHD Panasonic 2008LCD Self Check Complete 1d34 O.K. PEAKS-SOFT 1.011...
Page 12 Display Ref. No. Description P.C.B. IC4510 A/D CONVERTER A-Board ADAV IC2106 AUDIO PROCESSOR A-Board TU2901 TUNER A-Board GENX IC1100 MICROPROCESSOR A-Board MEM1 IC1101 EEPROM /GenX/ A-Board MEM2 IC8601 EEPROM /PeaksLite/ A-Board AVSW IC3001 AUDIO VIDEO SWITCH A-Board OFDM IC8301 COFDM DEMODULATOR A-Board TEMP IC1000...
Page 13: 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 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 1.011 OPTION 1 Key Command ADJUST Peaks EEP 01.03.0006 OPTION 2 S e r v i c e 1 WB-ADJ LSI DATA 11.22.33 OPTION 3 OPTION STBY SOFT 1.01.00 Model ID SRV-TOOL STBY EEP 1.03.01 03111100 •...
Page 16: Option Bytes Description
Option Bytes Description OPTION1 Speed ATP Slow (1) / Fast (0) TXT Ch ON (1) / OFF (0) ID-1 ON (1) / OFF (0) Macrovision Auto evaluate ON (1) / OFF (0) SRS Surround ON (1) / OFF (0) Teletext Top OFF (1) / ON (0) Equalizer Not use...
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 AV1_V RXB_2P,2N,1P,1N,0P,0N,CP,CN (1,3,4,6,7,9,10,12) 114,115,117,118, Q4516 MAIN_Y/CVBS MAIN_Y/CVBS AV1_V AV1_FEED_B 120,121,123,124 AV1_VOUT AV1_VO Q4515 MAIN_PB MAIN_PB AV1_RED AV1_RED Q4514 RXC_2P,2N,1P,1N,0P,0N,CP,CN (1,3,4,6,7,9,10,12) AV1_GREEN MAIN_PR/C MAIN_PR/C AV1_GREEN 130,131,133,134, 136,137,139,140 AV1_BLUE AV1_BLUE Q4519 RGB_CVBS RGB _CVBS AV1_L AV1_L Q4517 AV1_LOUT AV1_LO...
Page 20 Power Supply Block Diagram P - BOARD LF7001 LF7002 LF7003 CF7000 D7031 F7001 BT30V BT-30V Line Line Line RL7030 D7001 D7003 Filter Filter Filter IC7009 SUB_9V REGULATOR RL7001 IC7050 SUB_5V REGULATOR SUB_6V DTV12V STB_5V Q7008 V - BOARD Q7009 PANEL_12V PANEL 12V T7002 T7000...
Page 21: Lcd Panel
Control Block Diagram A - BOARD PC_H_IN GENX_SDA0 LITE2-EEP_SDA AV1_SLOW AV1-2 OUT MUTE MAIN3.3V_SENSE MIHO_SCL R1175 IC8601 R4282 SDA3 AV2_SLOW Q3004 Q3005 LITE2-EEP_SCL MAIN9V_SENSE MONITOROUT_MUTE SCL0 HDMI_CEC RGB_FB EEPROM EEPROM_WP SUB5V_SENSE GENX_SCL0 HDMI_CEC 27, 94 POWER DET Q3002 Q3003 MIHO_SDA R1174 AV-SW_SDA R4281...
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. (UK) (CONTINENTAL)
Page 23 Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. 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 D1005 EZAEG2A50AX ESD SUPPRESSOR D5612 MAZ80470ML ZENER DIODE D1006 EZAEG2A50AX ESD SUPPRESSOR D5613 MA2J11100L DIODE D1007 EZAEG2A50AX ESD SUPPRESSOR D5618 MAZ80470ML ZENER DIODE D1107 MA3X704A0L DIODE MA704ATX D5619 MA2J11100L DIODE D1108 EZJZ0V120JA VARISTOR...
Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description D7084 MAZ82400ML ZENER DIODE Q7008 B1DHDD000028 TRANSISTOR D7085 MA2J11100L DIODE Q7009 2SD601ATX TRANSISTOR D7087 MAZ83600ML ZENER DIODE Q7010 2SD601ATX TRANSISTOR D7088 MAZ83600ML ZENER DIODE Q7011 2SD601ATX TRANSISTOR D7089 MAZ83600ML ZENER DIODE Q7012 2SB0709A0L TRANSISTOR...
Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description L3026 J0JCC0000063 CHIP INDUCTOR L8301 J0JHC0000045 COIL BLM18PG121SN1D L3027 J0JCC0000063 CHIP INDUCTOR L8304 J0JHC0000045 COIL BLM18PG121SN1D L3700 J0JCC0000100 INDUCTOR L8551 J0JHC0000075 COIL BLM21PG600SN1D L3701 J0JCC0000100 INDUCTOR L8801 J0JHC0000045 COIL BLM18PG121SN1D L3702 J0JCC0000364 INDUCTOR...
Page 28 Cct Ref Parts Number Description Cct Ref Parts Number Description L1007 D0GDR00Z0002 .125W 0 Ω R1212 ERJ2GEJ473X .063W 47K Ω L1008 D0GDR00Z0002 .125W 0 Ω R1213 ERJ2GEJ473X .063W 47K Ω L1009 D0GDR00Z0002 .125W 0 Ω R1214 ERJ2GEJ473X .063W 47K Ω L1030 D0GDR00Z0002 .125W...
Page 29 Cct Ref Parts Number Description Cct Ref Parts Number Description R2127 ERJ8GEYJ3R3V 0.25W 3R3 Ω R3007 ERJ2GEJ104X .063W 100K Ω R2128 ERJ2GEJ473X .063W 47K Ω R3008 ERJ2GEJ222X .063W 2K2 Ω R2129 ERJ6GEYJ100 S.M.CARB 0.1W 10 Ω R3009 ERJ2GEJ222X .063W 2K2 Ω R2130 ERJ2GEJ104X .063W...
Page 30 Cct Ref Parts Number Description Cct Ref Parts Number Description R3124 ERJ2GEJ221X .063W 220 Ω R3701 ERJ6GEYJ393 S.M.CARB 0.1W 39K Ω R3125 ERJ2GEJ221X .063W 220 Ω R3702 ERJ6GEYJ184 S.M.CARB 0.1W 180K Ω R3128 ERJ2GEJ221X .063W 220 Ω R3703 ERJ6GEYJ184 S.M.CARB 0.1W 180K Ω...
Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description R4501 ERJ2GEJ103X .063W 10K Ω R4652 ERJ2GEJ473X .063W 47K Ω R4502 ERJ2GEJ330X .063W 33 Ω R4656 ERJ2GEJ222X .063W 2K2 Ω R4503 ERJ2GEJ330X .063W 33 Ω R4657 ERJ2GE0R00X .063W 0 Ω R4524 ERJ2GE0R00X .063W...
Page 32 Cct Ref Parts Number Description Cct Ref Parts Number Description R5647 ERJ2GEJ473X .063W 47K Ω R7063 ERJ6ENF2703V .125W 270K Ω R5660 ERJ2GEJ473X .063W 47K Ω R7064 ERJ6ENF2703V .125W 270K Ω R5661 ERJ2GEJ103X .063W 10K Ω R7065 ERJ6ENF2703V .125W 270K Ω R5662 ERJ2GEJ223X .063W...
Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description R8005 D1BB1002A055 0.1W 10K Ω R8321 ERJ2GEJ103X .063W 10K Ω R8006 D1BB6801A055 0.1W 6K8 Ω R8322 ERJ2GEJ102X .063W 1K Ω R8023 ERJ2GE0R00X .063W 0 Ω R8323 ERJ2GEJ473X .063W 47K Ω R8024 ERJ2GE0R00X .063W...
Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description R8463 EXB28V151JX .031W 150 Ω R8876 ERJ2GEJ103X .063W 10K Ω R8465 ERJ2GEJ103X .063W 10K Ω R8877 ERJ2GEJ680X .063W 68 Ω R8466 ERJ2GEJ103X .063W 10K Ω R8878 ERJ2GEJ680X .063W 68 Ω R8468 ERJ2GE0R00X .063W...
Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description C1004 F1G1C104A116 S.M.CAP 100nF C2124 ECJ1VB1H104 S.M.CAP 100nF C1005 ECJ1VB1H104 S.M.CAP 100nF C2125 F1G1E103A123 S.M.CAP 10nF C1006 F1G1C104A116 S.M.CAP 100nF C2126 F1J1A106A043 S.M.CAP 10µF C1007 F1G1C104A116 S.M.CAP 100nF C2127 F1G1E103A123 S.M.CAP 10nF C1008...
Page 36 Cct Ref Parts Number Description Cct Ref Parts Number Description C2359 ECJ1VB1H104 S.M.CAP 100nF C3065 F1H1H102A219 CERAMIC C2361 F2G1E4710007 ELECT 470µF C3070 F1H1A1050032 S.M.CAP 1000nF C2375 F1H1H223A970 S.M.CAP 22nF C3071 F1H1A1050032 S.M.CAP 1000nF C2377 F1H1H223A970 S.M.CAP 22nF C3072 ECJ1VB1H104 S.M.CAP 100nF C2379 F1H1H223A970...
Page 37 Cct Ref Parts Number Description Cct Ref Parts Number Description C4265 F1G1C104A116 S.M.CAP 100nF C4548 F1H1C104A143 S.M.CAP 100nF C4266 F1G1H102A459 S.M.CAP C4549 F1H1C104A143 S.M.CAP 100nF C4267 F1G1H102A459 S.M.CAP C4550 F1G1C104A116 S.M.CAP 100nF C4268 F1G1H102A459 S.M.CAP C4551 F1H1C104A143 S.M.CAP 100nF C4270 F1G1C104A116 S.M.CAP 100nF...
Page 38 Cct Ref Parts Number Description Cct Ref Parts Number Description C5617 F1H1A1050032 S.M.CAP 1000nF C7044 F1J1E105A171 S.M.CAP 1µF C5618 F1K1C1060004 S.M.CAP 10µF C7045 F2A1C1020027 ELECT 1000µF C5619 F1K1C1060004 S.M.CAP 10µF C7046 F1J1H104A835 S.M.CAP 100nF C5620 F1H1C104A143 S.M.CAP 100nF C7047 F2A1E471A102 ELECT 470µF C5621...
Page 39 Cct Ref Parts Number Description Cct Ref Parts Number Description C8016 F1H0J1050012 S.M.CAP 6.3V 1000nF C8327 F1H1A1050032 S.M.CAP 1000nF C8017 F1J1A106A043 S.M.CAP 10µF C8328 F1H1A1050032 S.M.CAP 1000nF C8018 F1G1C104A116 S.M.CAP 100nF C8329 F1G1E103A123 S.M.CAP 10nF C8019 F1G1C104A116 S.M.CAP 100nF C8330 F1G1E103A123 S.M.CAP 10nF...
Page 40 Cct Ref Parts Number Description Cct Ref Parts Number Description RELAYS TPD0E2003 BOTTOM CUSHION L/C/R INSTRUCTION BOOKS RL7001 K6B1AGA00043 RELAY RL7030 K6B2ADA00007 RELAY TQB0E0571A GERMAN TQB0E0571B DUTCH DIFFERENCES FOR MODEL TX--32LZD80 TQB0E0571C ITALIAN TQB0E0571D FRENCH EXPLODED VIEW TQB0E0571E SPANISH TQB0E0571F SWEDISH A-32LZD80 A P.C.B.
Page 41 Cct Ref Parts Number Description Cct Ref Parts Number Description INSTRUCTION BOOKS I.C.s TQB0E0570-1 ENGLISH IC8601 X24C37LZD80F EEPROM PL2 I.C.s TERMINALS AND LINKS IC8601 X24C37LZD80 EEPROM PL2 K1PY51Y00006 LVDS FFC TERMINALS AND LINKS A1-V1 TXJ/V10NDA A1-V1 WIRE A11-M11 TXJM110NDA A11-M11 WIRE K1PY51Y00006 LVDS FFC P2-CN501 TXJ/P20NDA...
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 65: Conductor Views
Conductor Views A-BOARD TNPH0722 - top TRAN’S IC’S Q2001 IC1101 Q2020 IC2106 Q2061 IC2107 Q2062 IC2301 Q2063 IC4200 Q2064 IC4201 Q2065 IC4202 Q2066 IC4203 Q3000 IC4510 Q3002 IC4514 Q3003 IC4515 Q3004 IC5660 Q3005 IC8001 Q4207 IC8002 Q4501 IC8003 Q4514 IC8403 Q4515 IC8601 Q4702...
Page 66 A-BOARD TNPH0722 - bottom TRAN’S IC’S Q2021 IC1000 Q2022 IC1100 Q2067 IC2008 Q2068 IC2012 Q2069 IC2013 Q2070 IC2902 Q3001 IC3001 Q4201 IC4511 Q4202 IC4512 Q4203 IC4513 Q4204 IC4700 Q4205 IC5600 Q4206 IC5601 Q4500 IC7601 Q4502 IC8004 Q4503 IC8301 Q4516 IC8302 Q4517 IC8401 Q4519...
Page 67 P-BOARD TNPA4467 - top DIODE’S D7021 D7000 D7024 D7001 D7027 D7002 D7030 D7032 D7050 D7033 D7076 D7034 D7082 D7044 D7083 D7056 D7075 IC’S D7023 IC7000 D7003 IC7050 D7004 IC7001 D7005 IC7005 D7006...
Page 68 P-BOARD TNPA4467 - bottom TRAN’S D7037 TP7004 F2 Q7000 D7039 TP7005 F4 Q7001 D7040 TP7006 E5 Q7003 D7041 TP7007 B4 Q7004 D7042 TP7008 B4 Q7008 D7043 TP7009 C6 Q7009 D7045 TP7011 C5 Q7010 D7046 TP7012 B5 Q7011 D7047 TP7022 C6 Q7012 D7048 TP7025 A4...
Page 69 V-BOARD TNPA4459-top TRAN’S Q2501 Q2502 Q2503 Q2504 DIODE’S D2501 D2503 IC’S RM2501 A1 V-BOARD TNPA4459-bottom TP’S TP2501 B2 TP2502 B2 TP2503 B2 TP2504 B2 TP2505 B1 TP2507 B1 TP2508 B1 TP2510 B1 TP2511 B1 M-BOARD TNPA4460-top M-BOARD TNPA4460-bottom IC’S TP’S TP2551 A1 SN2551 A1 TP2552 A1...

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