Panasonic TX-37LX75Y-IRAN Service Manual Download | Manualshive

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11.2. A Board

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TX-37LX75Y-IRAN

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Summary of Contents for TX-37LX75Y-IRAN

Page 1: ...is WIDE LCD TV Specifications Power Source AC SINGLE 220V 50 Hz Power Consumption Average Use 177W Standby condition 1W Display panel Aspect Ratio 16 9 Visible screen size 819 6 mm w 460 8 mm H No of pixels 1 049 088 1 366 W 768 H Sound Speaker 12cm x 6 cm 2 pcs 4 Ω Audio Output 20 W 10 W 10 W 10 THD Headphones M3 3 5 mm Jack 1 ORDER NO MTV0701557CE ...

Page 2: ... R RCA PIN Type 2 0 5 V rms Input VIDEO RCA PIN Type 1 1 0 V p p 75Ω S VIDEO Mini DIN 4 pin Y 1 0 V p p 75Ω C 0 286 V p p 75Ω Others HDMI 1 2 Input TYPE A Connectors Audio for HDMI 1 Input RCA PIN Type 2 0 5 V rms PC Input HIGH DENSITY D SUB 15 PIN R G B 0 7 V p p 75Ω HD VD TTL LEVEL 2 0 5 0 V p p high impedance Monitor AUDIO L R RCA PIN Type 2 0 5 V rms high impedance Output VIDEO RCA PIN Type 1 ...

Page 3: ... ASSY INSTALLATION 16 8 Service Mode Adjustment 17 8 1 SERVICE 1 17 8 2 SERVICE 2 17 8 3 Self Check Mode 17 8 4 Hotel Mode Adjustment 17 9 Adjustment 19 9 1 Voltage chart of A Board 19 9 2 Voltage chart of AP board 19 9 3 DVCO adjustment 20 10 Conductor Views 21 10 1 A Board 21 10 2 A Board 22 11 Schematic Diagram 23 11 1 Schematic Diagram Notes 23 11 2 A Board 24 11 3 AP Board 34 11 4 V Board 38 ...

Page 4: ... a water pipe as shown in Figure 1 3 Use Leakage Current Tester Simpson 228 or equivalent to measure the potential across the measuring network 4 Check each exposed metallic part and measure the voltage at each point 5 Check each exposed metallic part and measure the voltage at each point 6 The potential at any point TOUGH CURRENT expressed as voltage U1 and U2 does not exceed the following values...

Page 5: ...ly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement E...

Page 6: ...as a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron and set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F or 600 C If you must use Pb solder please completely remove all of the Pb free solder on the pins or solder area before applying Pb solder If this is not...

Page 7: ...he remote control and the screen will show 3 Press both the OFF TIMER button on the remote control and Down button on the control panel 4 2 Power LED Blinking timing chart 1 Subject Information of LED Flashing timing chart 2 Contents When an abonormality 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 the nu...

Page 8: ...8 TX 37LX75Y IRAN ...

Page 9: ...5 Chassis Board Layout 9 TX 37LX75Y IRAN ...

Page 10: ...6 Location of Lead Wiring 6 1 Wire Dressing 6 2 Wire Dressing and connections 10 TX 37LX75Y IRAN ...

Page 11: ...7 Disassembly for Service 7 1 AC CODE INSTALLATION 11 TX 37LX75Y IRAN ...

Page 12: ...7 2 BRACKET INSTALLATION 12 TX 37LX75Y IRAN ...

Page 13: ...7 3 Installation Pedestal 13 TX 37LX75Y IRAN ...

Page 14: ...7 4 EMI 14 TX 37LX75Y IRAN ...

Page 15: ...7 5 VESA PLATE INSTALLATION 15 TX 37LX75Y IRAN ...

Page 16: ...7 6 LCD PANEL ASSY INSTALLATION 16 TX 37LX75Y IRAN ...

Page 17: ...RVICE 2 1 Select CEC CHECK mode in service 1 than press HOLD button REMOTE to enter service 2 8 3 Self Check Mode 1 Press Timer button remote and button down at LCD panel 2 Press Normalize button remote to Exit 8 4 Hotel Mode Adjustment 1 Press volume down at TV panel at same time press TV AV at remote 2 Press menu button at remote to Exit the Hotel Mode Function 17 TX 37LX75Y IRAN ...

Page 18: ...18 TX 37LX75Y IRAN ...

Page 19: ...9 Adjustment 9 1 Voltage chart of A Board 9 2 Voltage chart of AP board 19 TX 37LX75Y IRAN ...

Page 20: ...9 3 DVCO adjustment 20 TX 37LX75Y IRAN ...

Page 21: ...10 Conductor Views 10 1 A Board A BOARD A SIDE TNP4G399 Parts Location A BOARD IC4006 IC1804 IC1805 IC5003 IC5004 IC5005 IC1102 IC4004 IC4001 IC4005 IC1803 IC3860 IC2005 IC2001 IC IC TX 37LX75Y IRAN 21 ...

Page 22: ...10 2 A Board A BOARD B SIDE TNP4G399 Parts Location A BOARD IC5002 IC5001 IC4003 IC TX 37LX75Y IRAN 22 ...

Page 23: ...11 Schematic Diagram 11 1 Schematic Diagram Notes 23 TX 37LX75Y IRAN ...

Page 24: ...11 2 A Board 11 2 1 A Board 1 10 1A 2A 3A 4A 5A 6A 8A 7A 9A 24 TX 37LX75Y IRAN ...

Page 25: ...11 2 2 A Board 2 10 1B 2B 3B 4B 5B 7B 6B 8B 1A 2A 3A 4A 5A 6A 8A 7A 9A 25 TX 37LX75Y IRAN ...

Page 26: ...11 2 3 A Board 3 10 1C 2C 3C 4C 5C 8C 7C 6C 9C 1B 2B 3B 4B 5B 7B 6B 8B 26 TX 37LX75Y IRAN ...

Page 27: ...11 2 4 A Board 4 10 1D 2D 3D 4D 6D 5D 7D 1C 2C 3C 4C 5C 8C 7C 6C 9C 27 TX 37LX75Y IRAN ...

Page 28: ...11 2 5 A Board 5 10 1E 2E 3E 4E 6E 5E 7E 1D 2D 3D 4D 6D 5D 7D 28 TX 37LX75Y IRAN ...

Page 29: ...11 2 6 A Board 6 10 1F 2F 3F 4F 6F 5F 7F 1E 2E 3E 4E 6E 5E 7E 29 TX 37LX75Y IRAN ...

Page 30: ...11 2 7 A Board 7 10 1G 2G 4G 3G 5G 6G 7G 1F 2F 3F 4F 6F 5F 7F 30 TX 37LX75Y IRAN ...

Page 31: ...11 2 8 A Board 8 10 1G 2G 4G 3G 5G 6G 7G 1H 2H 5H 6H 3H 4H 7H 8H 31 TX 37LX75Y IRAN ...

Page 32: ...11 2 9 A Board 9 10 1H 2H 5H 6H 3H 4H 7H 8H 1I 2I 5I 6I 7I 3I 4I 8I 9I 32 TX 37LX75Y IRAN ...

Page 33: ...11 2 10 A Board 10 10 1I 2I 5I 6I 7I 3I 4I 8I 9I 33 TX 37LX75Y IRAN ...

Page 34: ...11 3 AP Board 11 3 1 AP Board 1 4 1A 2A 3A 4A 5A 6A 7A 8A 9A 34 TX 37LX75Y IRAN ...

Page 35: ...11 3 2 AP Board 2 4 1B 2B 3B 5B 4B 6B 7B 1A 2A 3A 4A 5A 6A 7A 8A 9A 35 TX 37LX75Y IRAN ...

Page 36: ...11 3 3 AP Board 3 4 1C 2C 3C 5C 4C 6C 7C 1B 2B 3B 5B 4B 6B 7B 36 TX 37LX75Y IRAN ...

Page 37: ...11 3 4 AP Board 4 4 1C 2C 3C 5C 4C 6C 7C 37 TX 37LX75Y IRAN ...

Page 38: ...11 4 V Board 11 4 1 V Board 1 2 1A 2A 3A 4A 38 TX 37LX75Y IRAN ...

Page 39: ...11 4 2 V Board 2 2 1A 2A 3A 4A 39 TX 37LX75Y IRAN ...

Page 40: ...11 5 G Board 11 5 1 G Board 1 2 1A 2A 3A 4A 5A 40 TX 37LX75Y IRAN ...

Page 41: ...11 5 2 G Board 2 2 1A 2A 3A 4A 5A 41 TX 37LX75Y IRAN ...

Page 42: ...11 6 P Board 11 6 1 P Board 1 2 1A 2A 3A 4A 5A 6A 7A 8A 9A 42 TX 37LX75Y IRAN ...

Page 43: ...11 6 2 P Board 2 2 1A 2A 3A 4A 5A 6A 7A 8A 9A 43 TX 37LX75Y IRAN ...

Page 44: ...11 7 K Board 11 7 1 K Board 1 1 44 TX 37LX75Y IRAN ...

Page 45: ...12 Parts Location Mechanical Replacement Parts List 12 1 Parts Location 45 TX 37LX75Y IRAN ...

Page 46: ...13 Packing Exploded View 13 1 BOTTOM PACKING CASE INSTALLATION TX 37LX75Y IRAN 46 ...

Page 47: ...13 2 TOP PACKING CASE INSTALLATION TX 37LX75Y IRAN 47 ...

Page 48: ...13 3 Packing TX 37LX75Y IRAN 48 ...

Page 49: ...14 Replacement Parts List 49 TX 37LX75Y IRAN ...

Page 50: ... C2109 ECJ2FB1E105K C 1UF K 25V C2110 ECJ1VB1E104K C 0 1UF K 25V C2111 ECJ2FB1E105K C 1UF K 25V C2112 ECJ1VB1E104K C 0 1UF K 25V C2113 ECJ1VB1E104K C 0 1UF K 25V C2114 ECJ1VB1E104K C 0 1UF K 25V C2115 ECJ1VB1H153K C 0 015UF K 50V C2116 ECJ1VB1E104K C 0 1UF K 25V C2117 ECJ1VB1E104K C 0 1UF K 25V C2118 ECJ1VB1H153K C 0 015UF K 50V C2119 ECJ1VB1E104K C 0 1UF K 25V C2120 ECJ1VB1E104K C 0 1UF K 25V C21...

Page 51: ...0 1UF 10V C4095 F1J0J1060004 C 1000UF K 50V C4096 ECJ1VB1C104K C 0 1UF K 16V Ref No Part No Part Name Description Remarks C4097 F1G1A1040006 C 0 1UF 10V C4098 ECJ1VB1H102K C 1000PF K 50V C4099 F1J0J1060004 C 0 1UF 10V C4100 F1G1A1040006 C 0 1UF 10V C4101 F1G1A1040006 C 0 1UF 10V C4102 F1J0J1060004 C 0 1UF 10V C4103 ECJ0EC1H120J C 0 1UF 10V C4104 ECJ0EC1H220J C 0 1UF 10V C4105 ECJ0EC1H220J C 0 1UF ...

Page 52: ...A1V152A206 E 1500UF 35V C909 F2A1H221A115 E 220UF 50V C910 F2A1C471A537 E 470UF 16V C911 F2A1C471A537 E 470UF 16V C912 ECJ1VB1H104K C 0 1UF K 50V C915 ECJ1VB1H104K C 0 1UF K 50V C922 ECJ1VB1H104K C 0 1UF K 50V C923 F2A1H221A115 E 220UF 50V Ref No Part No Part Name Description Remarks C924 ECJ1VB1H104K C 0 1UF K 50V C926 ECJ1VB1H104K C 0 1UF K 50V C927 ECJ1VB1H104K C 0 1UF K 50V C928 ECJ1VB1E105K C...

Page 53: ...DIODE D5027 B0HCMM000014 DIODE D801 ERZV10V621CS VARISTOR Ref No Part No Part Name Description Remarks D802 B0FBAT000014 DIODE D803 ERZV10V621CS VARISTOR D810 B0HBSM000053 DIODE D820 B0AACK000004 DIODE D821 B0HAGM000005 DIODE D832 B0EAKT000018 DIODE D833 B0HAJL000003 DIODE D834 B0BA6R800025 ZENER DIODE D835 B0BA8R000010 DIODE D840 B0HAJL000003 DIODE D841 B0BA05600010 DIODE D842 B0HAJL000003 DIODE ...

Page 54: ...002 2SA207700L TRANSISTOR Ref No Part No Part Name Description Remarks Q3003 2SC584500L TRANSISTOR Q3005 2SC584500L TRANSISTOR Q3006 2SC584500L TRANSISTOR Q3007 2SA207700L TRANSISTOR Q3200 2SC584500L TRANSISTOR Q3201 2SC584500L TRANSISTOR Q3202 2SC584500L TRANSISTOR Q3203 2SC584500L TRANSISTOR Q3204 2SA207700L TRANSISTOR Q3205 2SD0602ASL TRANSISTOR Q3801 2SA207700L TRANSISTOR Q3806 2SC584500L TRAN...

Page 55: ...RJ2GEJ103X F 10KOHM J 1 16W R2306 ERJ2GEJ104X F 100KOHM J 1 16W R2307 ERJ2GEJ103X F 10KOHM J 1 16W R2308 ERJ3GEYJ104 M 100KOHM J 1 16W Ref No Part No Part Name Description Remarks R2310 ERJ3GEYJ222 M 2 2KOHM J 1 16W R2313 ERJ2GEJ104X F 100KOHM J 1 16W R2314 ERJ2GEJ105X F 1MOHM J 1 16W R2381 ERJ2GEJ102X F 1KOHM J 1 16W R2382 ERJ2GEJ104X F 100KOHM J 1 16W R2383 ERJ2GEJ103X F 10KOHM J 1 16W R2500 ERJ...

Page 56: ... M 10KOHM J 1 16W R4017 ERJ3GEYJ103 M 10KOHM J 1 16W R4018 ERJ2GEJ473X F 47KOHM J 1 10W Ref No Part No Part Name Description Remarks R4019 ERJ3GEYJ473 M 47KOHM J 1 16W R4020 ERJ3GEYJ103 M 10KOHM J 1 16W R4021 ERJ3GEYJ103 M 10KOHM J 1 16W R4022 ERJ3GEYJ473 M 47KOHM J 1 16W R4023 ERJ3GEYJ101 M 100OHM J 1 16W R4025 ERJ3GEYJ101 M 100OHM J 1 16W R4026 ERJ3GEY0R00 M 0OHM J 1 16W R4028 ERJ3GEYJ220 M 22OH...

Page 57: ...3GEYJ103 M 10KOHM J 1 16W R4251 ERJ3GEYJ101 M 100OHM J 1 16W R4253 D0GB1R8JA008 F 1 8OHM J 1 10W Ref No Part No Part Name Description Remarks R4254 ERJ3GEYJ103 M 10KOHM J 1 16W R4255 ERJ3GEYJ104 M 100KOHM J 1 16W R4256 ERJ3GEY0R00 M 0OHM J 1 16W R4257 ERJ3GEYJ103 M 10KOHM J 1 16W R4258 ERJ3GEYJ473 M 47KOHM J 1 16W R4259 ERJ3GEYJ473 M 47KOHM J 1 16W R4271 ERJ3GEYJ221 M 220OHM J 1 16W R4272 ERJ3GEYJ...

Page 58: ...26 ERJ3GEYJ220 M 22OHM J 1 16W R5130 ERJ3GEYJ473 M 47KOHM J 1 16W R5131 ERJ3GEYJ473 M 47KOHM J 1 16W R5132 ERJ3GEYJ220 M 22OHM J 1 16W Ref No Part No Part Name Description Remarks R802 ERG2SJW473E M 47KOHM J 2W R803 D0AW825JA001 C 8 2MOHM J 1 16W R804 ERG2FJ331H M 330OHM J 2W R808 ERC12ZGK225D S 2 2MOHM J 1 2W R809 ERG3FJ331H M 330OHM J 3W R813 ERDS2TJ471 C 470OHM J 1 4W R818 ERJ6GEYJ103 M 10KOHM ...

Page 59: ...W JA5 ERJ8GEY0R00 M 0OHM J 1 8W JA6 ERJ8GEY0R00 M 0OHM J 1 8W JA8 ERJ8GEY0R00 M 0OHM J 1 8W JK3001 K4BK13A00002 AV TERMINAL JK3002 K4BK20A00003 AV TERMINAL JK3003 K4BK04A00003 AV TERMINAL JK3501 K4AK18B00004 AV TERMINAL JK5001 K1FA119E0008 HDMI TERMINAL JK5002 K1FA119E0008 HDMI TERMINAL JS1801 ERJ3GEY0R00 M 0OHM J 1 16W JS1805 ERJ3GEY0R00 M 0OHM J 1 16W JS1806 ERJ3GEY0R00 M 0OHM J 1 16W JS1808 ERJ...

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