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Service Manual
Specifications
Power Source:
Power Consumption
Stand-by Power Consumption: 0,8W
Aerial Impedance:
Receiving System:
Receiving Channels:
Operating Conditions:
Scanning format:
PC signals:
220-240V AC, 50Hz
162W
75Ω unbalanced, Coaxial Type
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 input 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)
480i(60Hz), 480p(60Hz), 576i(50Hz), 576p(50Hz), 720p(60Hz), 720p(50Hz), 1.080i(60Hz),
1.080i(50Hz), 1.080p(60Hz), 1.080p(50Hz), 1.080p(24Hz)
VGA, WVGA, SVGA, XGA, WXGA (compressed)
Horizontal scanning frequency
Vertical scanning frequency
Colour LCD Television
GLP23F Chassis
VHF H1-H2 (ITALY)
VHF R1-R2
VHF R6-R12
CATV (S01-S05)
CATV S11-S20 (U1-U10)
31 – 69 kHz
59 – 86 Hz
© Panasonic Corporation 2008.
Unauthorized copying and distribu-
tion is a violation of law.
ORDER No. PCZ0810189CE
TX-37LZ8F
TX-37LZ8P
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Table of Contents
Related Manuals for Panasonic TX-37LZ8F
Summary of Contents for Panasonic TX-37LZ8F
- Page 1 1.080i(50Hz), 1.080p(60Hz), 1.080p(50Hz), 1.080p(24Hz) PC signals: VGA, WVGA, SVGA, XGA, WXGA (compressed) Horizontal scanning frequency 31 – 69 kHz Vertical scanning frequency 59 – 86 Hz © Panasonic Corporation 2008. Unauthorized copying and distribu- tion 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) ’ ’ 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...
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Page 3: Table Of Contents
CONTENTS SAFETY PRECAUTIONS ........... 4 ADJUSTMENT METHOD.......... 12 GENERAL GUIDE LINES........4 WIRING DIAGRAM ........... 13 TOUCH – CURRENT CHECK....... 4 BLOCK DIAGRAMS..........14 PREVENTION OF ELECTROSTATIC DISCHARGE PARTS LOCATION........... 17 (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) REPLACEMENT PARTS LIST........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 14 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-BOARD A-BOARD V-BOARD K-BOARD Board Name Function A-Board AV Terminal, Audio Video Processor, Speaker out, TV tuner, HDMI, HDMI Receiver G-Board Side AV Terminal V-Board Remote Receiver, R&G LED, C.A.T.S. K-Board Main Switch P-Board Main Input, Power Supply, Power Supply Regulator 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: Setting Inspection
Setting Inspection Voltage Confirmation Confirm the following voltages: A board Description Test point Range STBY1V TP1838 1,015-1,05V STBY3,3V TP1840 3,14-3,47V MAIN1V TP3832 1,0-1,05V MAIN3,3V TP3833 3,13-3,47V CORE1V TP1842 1,06-1,1V MAIN2,5V TP1845 2,83-2,63V MAIN1,8V TP1846 1,728-1,9V MAIN1,25V TP1844 1,245-1,275V MAIN5V TP3826 4,775-5,25V STBY5V TP3813... -
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-37LZ8P TX-37LZ8F Panasonic GLP23F Panasonic GLP23F SW V1.02 16/09/08 SW V1.02... -
Page 12: Adjustment Method
Adjustment Method How to enter Service 1 • Set the Bass to maximum position, set the Treble to minimum position then keep pressing the INDEX button on the remote control and press the down button (-/v) on the TV set, this will place the TV set into the Service Mode 1. Key Command •... -
Page 13: Wiring Diagram
Wiring diagram... -
Page 14: Block Diagrams
Video & Stereo Audio Block Diagram A-BOARD [EXCHANGE UNIT] IC4001 [C5ZBZ0000074] VCT8398P SIF INP TUNER CVBS AV1_V VIN1 VIN 3 AV1_VOUT VOUT1 AV1_RED AV1_GREEN AV1_BLUE AV1_L LINE IN1L AV1_LOUT LINE OUT1L B10,A10,B9,A9 HDMI1 AV1_R LINE IN1R B8,A8,B11,A11 AV1_ROUT LINE OUT1R IC3001 HDMI2 B17,A17,B16,A16... - Page 15 Power Supply Block Diagram P BOARD IC2350 LF801 LF802 MAIN5V RELAY_5V6 HP AMPLIFIER Line Line T803 Filter Filter RL801 STB_5V6 F801 IC1102 STBY3.3V EEPROM D809 PC802 IC802 T804 MAINS PS CONTROL D817 PROTECTION STBY3.3V IC851 MAIN5V 1, 2 Q3204 Q3204 3, 4 SOUND 15V 17_VALWAYS...
- Page 16 Control Block Diagram A-BOARD KEY CONTROL KEYSCAN IC4001 [EXCHANGE UNIT] [C5ZBZ0000074] VCT8398P V-BOARD AV_LINK_OUT/ SUB_ON PC_HP AV_LINK_OUT/ SUB ON AC20 J25 PC_HP R_LED_ON R_LED_ON Q2505 Q2505 AV_LINK_IN PC_VP H22 PC_VP AV_LINK_IN AC22 G_LED ON G_LED_ON EDID_WR AV2_FBL Q2506 Q2506 EDID_WR AD7 R26 AV2_FBL AV1_QLINK RM2501...
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Page 17: Parts Location
Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. (CONTINENTAL) - Page 18 Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List.
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Page 19: 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 20 Cct Ref Parts Number Description Cct Ref Parts Number Description D805 B0BC022A0007 ZENER DIODE D3219 MA2J72900L DIODE D806 MA22F2000L DIODE D3247 B0ACCK000005 DIODE D807 MA22F2000L DIODE D3248 B0ACCK000005 DIODE D808 B0JCPE000028 DIODE D3249 B0ACCK000005 DIODE D809 B0EBNT000025 DIODE D3250 B0ACCK000005 DIODE D810 MAZ82000ML...
- Page 21 Cct Ref Parts Number Description Cct Ref Parts Number Description Q2505 2SB0709ASL TRANSISTOR L807 EXCELDR35V COIL Q2506 2SB0709ASL TRANSISTOR L808 EXCELSA35V COIL Q3002 2SA207700L TRANSISTOR L851 ELC10D6R8E COIL Q3003 2SC584500L TRANSISTOR L1185 J0JHC0000078 COIL Q3004 2SA207700L TRANSISTOR L1186 J0JHC0000078 COIL Q3011 2SA207700L TRANSISTOR...
- Page 22 Cct Ref Parts Number Description Cct Ref Parts Number Description L4015 J0JDC0000002 COIL R808 ERJ6GEYJ393 S.M.CARB 0.1W 39K Ω L4019 J0JHC0000075 COIL BLM21PG600SN1D R809 ERJ6GEYJ473 S.M.CARB 0.1W 47K Ω L4020 J0JHC0000075 COIL BLM21PG600SN1D R810 ERJ6GEYJ221 S.M.CARB 0.1W 220 Ω L4023 J0JHC0000075 COIL BLM21PG600SN1D R811...
- Page 23 Cct Ref Parts Number Description Cct Ref Parts Number Description R1244 ERJ6GEY0R00 S.M.CARB 0.1W 0 Ω R2002 ERJ3EKF6192V 0.1W 61K9 Ω R1298 ERJ3GEYJ472 0.1W 4K7 Ω R2003 ERJ3EKF2202V 0.1W 22K Ω R1729 ERJ3GEYJ472 0.1W 4K7 Ω R2004 ERJ3EKF2202V 0.1W 22K Ω R1813 D0GB472JA008 .063W...
- Page 24 Cct Ref Parts Number Description Cct Ref Parts Number Description R2551 D0GB101JA041 0.1W 100 Ω R3105 ERJ3GEYJ152 0.1W 1K5 Ω R2552 D0GB104JA041 0.1W 100K Ω R3106 D0GB751JA008 .063W 750 Ω R2553 ERJ6GEYJ470 S.M.CARB 0.1W 47 Ω R3107 ERJ3GEYJ152 0.1W 1K5 Ω R3001 D0GB184JA008 .063W...
- Page 25 Cct Ref Parts Number Description Cct Ref Parts Number Description R3828 ERJ3GEYJ180 0.1W 18 Ω R4044 D0GB105JA008 .063W 1M Ω R3858 ERJ3GEYJ180 0.1W 18 Ω R4045 D0GB105JA008 .063W 1M Ω R3860 ERJ3GEYJ821 0.1W 820 Ω R4046 D0GB105JA008 .063W 1M Ω R3861 ERJ3GEYJ272 0.1W...
- Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description R4170 D0GB105JA008 .063W 1M Ω R4409 ERJ2GEJ150X .063W 15 Ω R4171 D0GB105JA008 .063W 1M Ω R4410 ERJ2GEJ150X .063W 15 Ω R4186 D0GB101JA008 .063W 100 Ω R4411 ERJ2GEJ150X .063W 15 Ω R4187 D0GB101JA008 .063W...
- Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description R5027 D0GB103JA008 .063W 10K Ω C853 F2A1A2220071 ELECT 2200µF R5028 D0GB220JA008 .063W 22 Ω C854 F1J1H104A835 S.M.CAP 100nF R5029 D0GB220JA008 .063W 22 Ω C855 F1J1H104A835 S.M.CAP 100nF R5093 D1BB2702A055 CHIP RES 0.1W 27K Ω...
- Page 28 Cct Ref Parts Number Description Cct Ref Parts Number Description C1930 F1H1H103A970 S.M.CAP 10nF C3073 ECJ3YB1A106M S.M.CAP 10µF C1934 F1H1H103A970 S.M.CAP 10nF C3074 ECJ1VC1H331 S.M.CAP 330pF C1935 ECJ1VB1H102 S.M.CAP C3075 ECJ1VC1H331 S.M.CAP 330pF C1936 F1K0J226A008 S.M.CAP 6.3V 22µF C3076 ECJ3YB1A106M S.M.CAP 10µF C1951...
- Page 29 Cct Ref Parts Number Description Cct Ref Parts Number Description C4013 F1H1C104A001 S.M.CAP 100nF C4103 ECJ2FB0J106M S.M.CAP 6.3V 10µF C4014 F1H1C104A001 S.M.CAP 100nF C4104 ECJ1VB1C104K S.M.CAP 100nF C4015 F1H1C104A001 S.M.CAP 100nF C4105 ECJ2FB0J106M S.M.CAP 6.3V 10µF C4016 F1H1C104A001 S.M.CAP 100nF C4106 ECJ1VB1C104K S.M.CAP...
- Page 30 Cct Ref Parts Number Description Cct Ref Parts Number Description C4506 ECJ2FB0J106M S.M.CAP 6.3V 10µF TQB0E0707H FINNISH C4507 ECJ2FB0J106M S.M.CAP 6.3V 10µF TQB0E0707I LITHUANIAN C5003 F1H1C104A001 S.M.CAP 100nF TQB0E0707J PORTUGUESE C5004 F1H1C104A001 S.M.CAP 100nF TQB0E0707K DANISH C5052 ECJ1VB1C104K S.M.CAP 100nF TQB0E0707M BULGARIAN C5054...
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Page 31: 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 40: Conductor Views
Conductor Views A-BOARD TNP4G439 - top TRAN’S Q3076 Q1803 Q3077 Q1804 Q3204 Q1805 Q3205 Q1806 Q3818 Q1807 Q3826 Q1809 Q3827 Q1811 Q3828 Q1812 Q3829 Q1813 Q3832 Q1814 Q1815 IC’S Q1933 IC1803 Q2033 IC1807 Q2310 IC1808 Q2311 IC1809 Q3002 IC1810 Q3003 IC1811 Q3004 IC1812... - Page 41 A-BOARD TNP4G439 - bottom TRAN’S Q3065 Q1216 Q3070 Q1930 Q3071 Q1931 Q3072 Q1932 Q3073 Q1934 Q3074 Q1935 Q3807 Q2300 Q3819 Q2301 Q3820 Q2302 Q4022 Q2303 Q4501 Q2304 Q5003 Q3011 Q5004 Q3012 Q5019 Q3013 Q5020 Q3046 Q5021 Q3047 Q3048 IC’S Q3049 IC1102 Q3062 IC2350...
- Page 42 P-BOARD TNP8EPL90 - top DIODE’S D834 D801 D835 D809 D852 D811 D815 TRAN’S D817 Q805 D822 Q806 D825 D826 IC’S D827 IC801 D829 IC802 D830 IC803...
- Page 43 P-BOARD TNP8EPL90 - bottom TRAN’S IC’S Q801 IC851 Q804 IC853 Q809 Q810 TP’S Q811 TP801 Q851 TP851 Q852 TP852 TP853 DIODE’S TP854 D802 TP855 D803 TP856 D804 TP857 D805 TP858 D806 TP859 D807 TP860 D808 TP861 D810 TP862 D812 TP863 D813 TP864 D814...
- Page 44 V-BOARD TNP8EVL91-top TRAN’S TP’S Q2504 TP2501 A1 Q2505 TP2502 A1 Q2506 TP2503 A1 TP2504 A1 DIODE’S TP2505 A2 D2501 TP2506 A1 TP2507 A2 IC’S TP2508 A1 RM2501 A1 SN2551 A1...