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Service Manual
Specifications
(Informations in brackets [ ] refers to model 32")
Power Source:
Power Consumption
Stand-by Power Consumption: 0.3W
Aerial Impedance:
Receiving System:
Receiving Channels:
Operating Conditions:
Scanning format:
PC signals:
220-240V AC, 50/60Hz
185W [147W]
75Ω unbalanced, Coaxial Type
LZ80L
PAL-I,
PAL-525/60 (AV only)
M.NTSC (AV only)
NTSC (AV only)
LZ80L
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
RLZ80
PAL-I/H, B/G, D/K,
SECAM B/G, D/K, L/L'
PAL-525/60 (AV only)
M.NTSC (AV only)
NTSC (AV only)
RLZ80
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. PCZ0802007CE
TX-37LZ80L
TX-R37LZ80
TX-32LZ80L
TX-R32LZ80
LH69 Chassis
VHF H1-H2 (ITALY)
VHF R1-R2
VHF R6-R12
CATV (S01-S05)
CATV S11-S20 (U1-U10)
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Table of Contents
Related Manuals for Panasonic TX-37LZ80L
Summary of Contents for Panasonic TX-37LZ80L
- Page 1 ORDER No. PCZ0802007CE Service Manual Colour LCD Television TX-37LZ80L TX-R37LZ80 TX-32LZ80L TX-R32LZ80 LH69 Chassis Specifications (Informations in brackets [ ] refers to model 32”) Power Source: 220-240V AC, 50/60Hz Power Consumption 185W [147W] Stand-by Power Consumption: 0.3W Aerial Impedance: 75Ω unbalanced, Coaxial Type...
- Page 2 Intermediate Frequency: Video/Audio LZ80L RLZ80 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) ’...
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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
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-37LZ80L 37FHD Panasonic 2008LCD Self Check Complete 1729 O.K. - 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 TEMP IC1000 TEMP SENSOR A-Board MIHO IC4200...
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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 01.03.0026 OPTION 2 S e r v i c e 1 WB-ADJ LSI DATA 0.00.1f OPTION 3 OPTION STBY SOFT 1.01.00 Model ID SRV-TOOL STBY EEP 1.03.01 03261000 •... -
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 DTV12V PANEL_12V V - BOARD Q7009 PANEL 12V T7002...
- Page 21 Control Block Diagram A - BOARD PC_H_IN LITE2-EEP_SDA TUNER_SCL MAIN3.3V_SENSE MIHO_SCL AV1-2 OUT MUTE AV1_SLOW Q2028 IC8601 R4282 LITE2-EEP_SCL SCL2 MONITOROUT_MUTE MAIN9V_SENSE AV2_SLOW Q3004 Q3005 SCL0 HDMI_CEC EEPROM TUNER_SDA EEPROM_WP SUB5V_SENSE HDMI_CEC RGB_FB Q2029 POWER DET MIHO_SDA 27, 94 IC3001 Q3002 Q3003 R4281...
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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’’...
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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 D2027 MA2J11100L DIODE D7001 B0EBKT000007 BRIDGE DIODE D2068 MA2J11100L DIODE D7002 ERZV10V621T2 VARISTOR D2069 MA2J11100L DIODE D7003 B0FBAT000008 BRIDGE DIODE D2070 MA2J11100L DIODE D7004 B0BA01600007 DIODE D2201 MA3X704A0L DIODE MA704ATX D7005 B0BA03600021 DIODE...
- Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description D7093 MAZ83600ML ZENER DIODE Q7026 2SD601ATX TRANSISTOR D7144 B0HCMM000014 DIODE Q7052 2SD0602ASL TRANSISTOR D7601 MA2J11100L DIODE Q8850 2SD601ATX TRANSISTOR TRANSISTORS Q8852 2SD601ATX TRANSISTOR Q8853 2SD601ATX TRANSISTOR PA7001 B1ZAZ0000016 TRANSISTOR TRANSFORMERS Q2001 2SD601ATX TRANSISTOR...
- Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description L4212 J0JYC0000068 CHIP INDUCTOR LF7001 G0B103H00002 LINE FILTER L4216 J0JYC0000068 CHIP INDUCTOR LF7002 G0B103H00002 LINE FILTER L4217 J0JYC0000068 CHIP INDUCTOR LF7003 G0B103H00002 LINE FILTER L4219 J0JYC0000068 CHIP INDUCTOR CRYSTALS L4220 J0JYC0000068 CHIP INDUCTOR X1100...
- Page 28 Cct Ref Parts Number Description Cct Ref Parts Number Description R0005 EXB28V680JX .031W 68 Ω R1230 ERJ2GEJ473X .063W 47K Ω R0006 ERJ2GEJ103X .063W 10K Ω R1231 ERJ2GEJ473X .063W 47K Ω R0007 ERJ2GEJ103X .063W 10K Ω R1233 ERJ2GE0R00X .063W 0 Ω R0008 ERJ2GEJ103X .063W...
- Page 29 Cct Ref Parts Number Description Cct Ref Parts Number Description R2142 ERJ2GEJ102X .063W 1K Ω R3021 ERJ2GEJ222X .063W 2K2 Ω R2146 ERJ2GEJ220X .063W 22 Ω R3024 ERJ2GEJ104X .063W 100K Ω R2147 ERJ2GEJ220X .063W 22 Ω R3025 ERJ2GEJ104X .063W 100K Ω R2148 ERJ2GEJ682X .063W...
- Page 30 Cct Ref Parts Number Description Cct Ref Parts Number Description R3138 ERJ2GEJ221X .063W 220 Ω R4241 ERJ2GEJ680X .063W 68 Ω R3139 ERJ2GEJ221X .063W 220 Ω R4242 ERJ2GEJ102X .063W 1K Ω R3140 ERJ2GEJ221X .063W 220 Ω R4243 D1BB5602A055 0.1W 56K Ω R3141 D0GB102JA041 0.1W...
- Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description R4549 ERJ2GEJ103X .063W 10K Ω R4700 ERJ2GEJ103X .063W 10K Ω R4552 ERJ2GEJ220X .063W 22 Ω R4701 ERJ2GEJ103X .063W 10K Ω R4558 ERJ2GEJ105X .063W 1M Ω R4702 ERJ2GEJ103X .063W 10K Ω R4559 ERJ2GEJ105X .063W...
- Page 32 Cct Ref Parts Number Description Cct Ref Parts Number Description R7000 D0XB106J0003 RESISTOR 10M Ω R7075 ERJ6ENF5602 .125W 56K Ω R7001 ERC12ZGK105V CARBON 0.5W 10% 1M Ω R7076 ERJ6ENF5602 .125W 56K Ω R7002 ERF2AJ100P FIXED 10 Ω R7077 ERJ6ENF5602 .125W 56K Ω...
- Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description R8035 ERJ2GE0R00X .063W 0 Ω R8658 ERJ2GEJ220X .063W 22 Ω R8036 D0GBR00Z0002 0.1W 0 Ω R8710 ERJ2GEJ680X .063W 68 Ω R8039 ERJ2GE0R00X .063W 0 Ω R8711 ERJ2GEJ103X .063W 10K Ω R8056 ERJ2GEJ470X .063W...
- Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description R8919 ERJ2GEJ472X .063W 4K7 Ω C2057 ECJ1VB1H104 S.M.CAP 100nF R8920 ERJ2GEJ472X .063W 4K7 Ω C2058 ECJ1VB1H104 S.M.CAP 100nF R8921 ERJ2GEJ472X .063W 4K7 Ω C2059 F1J1A106A043 S.M.CAP 10µF R8922 ERJ2GEJ472X .063W 4K7 Ω...
- Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description C2251 F1J1A106A043 S.M.CAP 10µF C3008 F1H1H561A971 S.M.CAP 560pF C2261 F1J1A106A043 S.M.CAP 10µF C3009 F1H1H561A971 S.M.CAP 560pF C2262 F1J1A106A043 S.M.CAP 10µF C3010 F1H1H561A971 S.M.CAP 560pF C2263 F1J1A106A043 S.M.CAP 10µF C3011 F1H1H561A971 S.M.CAP 560pF C2264...
- Page 36 Cct Ref Parts Number Description Cct Ref Parts Number Description C3147 F1J1A106A043 S.M.CAP 10µF C4307 F1G1H150A731 S.M.CAP 15pF C3700 F1J1H561A836 S.M.CAP 560pF C4308 F1J0J106A020 S.M.CAP 6.3V 10µF C3702 F1J1H561A836 S.M.CAP 560pF C4309 F1G1C104A116 S.M.CAP 100nF C3705 ECJ1VF1H104Z S.M.CAP 100nF C4313 F1J0J106A020 S.M.CAP 6.3V...
- Page 37 Cct Ref Parts Number Description Cct Ref Parts Number Description C4636 F1H1A1050032 S.M.CAP 1000nF C7013 F1J1H473A835 S.M.CAP 47nF C4638 F1H1A1050032 S.M.CAP 1000nF C7014 ECKC3A102J CERAMIC C4640 F1H1A1050032 S.M.CAP 1000nF C7015 F2A1A102A214 ELECT 1000µF C4642 F1H1A1050032 S.M.CAP 1000nF C7016 F1J1H103A834 S.M.CAP 10nF C4643 F1G1C104A116...
- Page 38 Cct Ref Parts Number Description Cct Ref Parts Number Description C7136 F1J1H103A834 S.M.CAP 10nF C8056 F1G1C104A116 S.M.CAP 100nF C7137 F2A1E221A487 ELECT 220µF C8057 F1G1C104A116 S.M.CAP 100nF C7138 F2A1E471A218 ELECT 470µF C8058 F1J1A106A043 S.M.CAP 10µF C7451 F1J1H102A834 S.M.CAP C8067 F1G1E103A123 S.M.CAP 10nF C7452 F1J1H102A834...
- Page 39 Cct Ref Parts Number Description Cct Ref Parts Number Description TTY0E0241 CABINET ASSY A1-V1 TXJ/V10NDA A1-V1 WIRE TUA0E4100 CHASSIS FRAME A11-M11 TXJM110NDA A11-M11 WIRE TKZ0E9574 LCD BOTTOM MTG P2-CN501 TXJ/P20NDA P2-CN501 WIRE L5EDD8T00001 LCD PANEL P3-SP TXJ/P30NDA P3-SP WIRE TBM0E1360 MODEL LABEL P5-CN1 TXJ/P50NDA...
- Page 40 Cct Ref Parts Number Description Cct Ref Parts Number Description TKZ0E9567 VESA METAL R MISCELLANEOUS COMPONENTS J0KF00000018 FERRITE CORE TBM0E1415 REAR AV LABEL TPC0E46900 CARTON TPD0E1027 TOP CUSHION L/C/R TPD0E2001 BOTTOM CUSHION L/C/R INSTRUCTION BOOKS TQB0E0572L RUSSIAN TQB0E0572Y UKRAINIAN I.C.s IC8601 X24CR37LZ80 EEPROM PL2...
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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 63: Conductor Views
Conductor Views A-BOARD TNPH0722 - top TRAN’S IC’S Q2001 IC1101 Q2020 IC2106 Q2028 IC2107 Q2029 IC2301 Q2061 IC4200 Q2062 IC4201 Q2063 IC4202 Q2064 IC4203 Q2065 IC4510 Q2066 IC4514 Q3000 IC4515 Q3002 IC5660 Q3003 IC8001 Q3004 IC8002 Q3005 IC8003 Q4207 IC8601 Q4501 Q4514 Q4515... - Page 64 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 IC8554 Q4516 Q4517 TP’S Q4519 TP1010...
- Page 65 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 66 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 67 V-BOARD TNPA4459-top TRAN’S Q2501 Q2502 Q2504 DIODE’S D2501 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 TP’S IC’S TP2551 A1 SN2551 A1 TP2552 A1 TP2553 A1...