Panasonic TX-22LT2 Service Manual Download | Manualshive

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8.2.

Power Block Diagram

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Summary of Contents for TX-22LT2

Page 1: ...Stand by condition 4W at 120 240V TV set DC 15V 4 1 A max LCD 22 inch 16 9 aspect ratio LCD panel Screen Size 487mm W x 274mm H Receiving System PAL I PAL 525 60 M NTSC NTSC AV only Receiving Channel...

Page 2: ...1 0Vp p S VIDEO Mini DIN 4 pin x 2 Y 1Vp p 75 C 0 286Vp p 75 AUDIO L R RCA PIN Type x 2 1 0Vp p COMPONENT IN VIDEO D Type Connecter x 2 Y PB PR AUDIO L R RCA PIN Type x 2 0 5Vrms AUDIO OUT M3 Stereo...

Page 3: ...the set and a good earth ground such as 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 exp...

Page 4: ...discharge ESD 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any ESD on your body by touching a known earth ground Alternatively obtain and wea...

Page 5: ...rial to the chassis or circuit assembly into which the device will be installed Caution Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 Minimize bodily...

Page 6: ...If the CCU ports have been checked and found to be incorrect or not located then will appear in place of O K 4 Chasis Board Layout 6...

Page 7: ...5 Servicing method 5 1 Removing tilt base 7...

Page 8: ...5 2 Removing rear panel 5 3 Removing speaker unit 8...

Page 9: ...5 4 Removing chassis 9...

Page 10: ...5 5 Removing A Board 10...

Page 11: ...11...

Page 12: ...5 6 Removing B Board with tuner assembly 5 7 Removing DG Board 12...

Page 13: ...5 8 Removing H1 Board and H2 Board 5 9 Removing P1 Board 5 10 Removing P2 Board 13...

Page 14: ...5 11 Removing K Board 5 12 Removing V Board 5 13 A Board servicing 14...

Page 15: ...ote control in Service Mode 6 1 How to enter SERVICE 1 1 In sound menu set BASS to MAX MUM and set TREBLE to MINIMUM 2 Simultaneously press INDEX button on remote control and DOWN button on the TV set...

Page 16: ...6 3 Option Description 16...

Page 17: ...17...

Page 18: ...7 Conductor Views 7 1 A Board 7 2 B H1 H2 K P1 and P2 Board 7 3 DG Board 8 Block and Schematic Diagrams 8 1 Schematic Diagram Notes 18...

Page 19: ...2 of 5 Schematic Diagram 8 7 A Board 3 of 5 Schematic Diagram 8 8 A Board 4 of 5 Schematic Diagram 8 9 A Board 5 of 5 Schematic Diagram 8 10 DG Board 1 of 5 Schematic Diagram 8 11 DG Board 2 of 5 Sch...

Page 20: ...1 Board Schematic Diagram 8 16 B K V and P2 Board Schematic Diagram 8 17 H1 and H2 Board Schematic Diagram 9 Parts Location Mechanical Replacement Parts List 9 1 Parts Location 9 2 Packing Exploded Vi...

Page 21: ...K 1 K1TZAFD00002 IF CABLE 1 K2CT3AA00001 AC CORD 1 N0JZHK000004 AC ADAPTOR 1 TBME474 MODEL NAME PLATE 1 3 TBXA27802 CONTROL BUTTON 1 4 TBXA29402 POWER BUTTON 1 5 TEJA033 CHILD SHAFT LEFT 1 6 TEJA034 C...

Page 22: ...UBBER SPACER 1 TMKX291 INSULATER 1 TMKX364 INSULATER 1 TMME149 CLAMPER 1 TMME149 CLAMPER 4 TMME150 INSULATER 1 TMME157 CLAMPER 2 TMME158 CLAMPER 1 TMWJ023 BRACKET 1 a TPCB06402 CARTON BOX 1 b TPDA0479...

Page 23: ...JFY SCREW 2 XTN3 8JFY SCREW 2 XTN3 8JFY SCREW 2 XTS3 10AFY SCREW 5 XTV3 10G SCREW 4 XTW3 6T TAPPING SCREW 2 XTW3 6T TAPPING SCREW 29 XYN4 F12 SCREW 6 XZBT6506 POLY BAG 1 10 Replacement Parts List 10 1...

Page 24: ...E 4 7UF 50V 1 C016 17 ECJ2VF1C104Z C 0 1UF Z 16V 2 C022 F1K1H1050002 C 1UF Z 50V 1 C024 ECJ2VF1C104Z C 0 1UF Z 16V 1 C025 F1K1C4750010 C 47UF Z 50V 1 C030 ECJ2VB1H273K C 0 027UF K 50V 1 C031 ECJ2VF1H1...

Page 25: ...UF K 50V 1 C839 F2A1E1020019 E 1000UF 25V 1 C840 ECJ2XB1H104K C 0 1UF K 50V 1 C841 ECA1EHG101 E 100UF 25V 1 C842 ECJ2XB1H103K C 0 01UF K 50V 1 C843 ECA1VHG221 E 220UF 35V 1 C844 EEVHB1C220 E 22UF 16V...

Page 26: ...332A104 E 3300PF 25V 1 C2315 16 ECJ2YB1E224K C 0 22UF K 25V 2 C2359 60 EEVHB1E4R7 E 4 7UF 25V 2 C2361 ECA1EHG101 E 100UF 25V 1 C2362 EEVHB1HR33 E 0 33UF 25V 1 C2363 ECJ2VF1H104Z C 0 1UF Z 50V 1 C2364...

Page 27: ...CJ1VB1H103K C 0 01UF K 50V 1 C3005 ECJ1VF1C104Z C 0 1UF Z 16V 1 C3006 08 ECJ1XF1H103Z C 0 01UF K 50V 3 C3009 10 ECJ1XC1H150J C 15PF J 50V 2 C3011 12 ECJ1XC1H220J C 22PF J 50V 2 C3014 ECJ1VB1C104K C 0...

Page 28: ...1UF Z 16V 1 C6313 14 ECJ1VF1C104Z C 0 1UF Z 16V 2 C6316 24 ECJ1VF1C104Z C 0 1UF Z 16V 9 C6325 EEVHB0J220 E 22UF 6 3V 1 C6326 ECJ1VF1A105Z C 1UF Z 10V 1 C6327 31 ECJ1VF1C104Z C 0 1UF Z 16V 5 C6332 ECJ1...

Page 29: ...F1H103Z C 0 01UF K 50V 1 C9053 EEVHB1C100 E 10UF 16V 1 C9054 EEVHB0J101 E 100UF 6 3V 1 EEVHB0J101P C9055 56 ECJ1VF1C104Z C 0 1UF Z 16V 2 C9057 ECJ1XC1H391J C 390PF J 50V 1 ECUX1H391JCV C9058 59 ECJ1VF...

Page 30: ...ODE 1 B0JAME000061 D804 05 MA111 DIODE 2 MA2J111 D806 MA8062L ZENER DIODE 1 MAZ80620L D807 08 EK14 DIODE 2 B0JAME000061 D809 AK04 DIODE 1 B0JAMC000003 D813 MA111 DIODE 1 MA2J111 D814 MA8056M ZENER DIO...

Page 31: ...003 PST9128NR IC LOGIC 1 C0EBE0000066 IC1004 TVRJ676 ROM IC 1 C3EBGC000017 IC1007 TVRJ644 ROM IC 1 C3FBKD000104 IC1008 TVSA0500 IC 1 C3ABMG000074 IC2301 TA8256BH LINEAR IC 1 C1BA00000218 IC2502 AN1788...

Page 32: ...32...

Page 33: ...OKE 1 L2501 ELJPA330KB CHIP INDUCTOR 1 L2503 04 ELJPA330KB CHIP INDUCTOR 2 L2505 ELJFA6R8MB CHIP COIL 1 L2506 07 ELJPA330KB CHIP INDUCTOR 2 L3001 ELJFA100JB CHIP COIL 1 L4001 05 J0JBC0000004 CHIP INDU...

Page 34: ...07 2SJ499 TRANSISTOR 2 Q608 2SD601A TRANSISTOR 1 2SD0601A Q609 10 UNR521100L FET 2 Q611 2SD601A TRANSISTOR 1 2SD0601A Q612 13 UN5111 FET 2 UNR5111 Q614 15 B1BBFF000003 TRANSISTOR 2 Q616 17 B1BBFF00000...

Page 35: ...009 ERJ6GEY0R00 M 0 OHM J 1 10W 1 R011 12 ERJ3EKF5600 M 560 OHM J 1 16W 2 R015 ERJ3GEYJ221 M 220 OHM J 1 16W 1 R017 ERJ3GEYJ472 M 4 7KOHM J 1 16W 1 R018 ERJ6GEYJ101 M 100 OHM J 1 10W 1 R021 ERJ6GEYJ10...

Page 36: ...1 10W 1 R643 ERJ6GEYJ133 M 13KOHM J 1 10W 1 R644 45 ERJ12YJ182 M 1 8KOHM 1 2W 2 R646 47 ERJ6GEYJ100 M 10 OHM J 1 10W 2 R648 49 ERJ12YJ182 M 1 8KOHM 1 2W 2 R650 ERJ6GEYJ473 M 47KOHM J 1 10W 1 R651 52 E...

Page 37: ...1 R850 ERJ6GEYJ223 M 22KOHM J 1 10W 1 R851 ERJ6GEYJ102 M 1KOHM J 1 10W 1 R852 ERJ6ENF1001 M 1KOHM 1 10W 1 R853 ERJ6GEYJ223 M 22KOHM J 1 10W 1 R854 ERJ6ENF3001 M 3KOHM 1 10W 1 R856 ERJ6GEYJ103 M 10KOHM...

Page 38: ...0 ERJ3GEYJ471 M 470 OHM J 1 16W 1 R1051 ERJ3GEYJ103 M 10KOHM J 1 16W 1 R1052 ERJ3GEYJ220 M 22 OHM J 1 16W 1 R1053 54 EXB38V680J RESISTOR ARRAY 2 R1055 ERJ3GEYJ101 M 100 OHM J 1 16W 1 D0GB101JA002 R105...

Page 39: ...14 15 ERJ3GEY0R00 M 0 OHM 1 16W 2 R2516 ERJ6GEYJ103 M 10KOHM J 1 10W 1 R2518 ERJ6GEYJ104 M 100KOHM J 1 10W 1 R2530 32 ERJ6GEY0R00 M 0 OHM J 1 10W 3 R2533 ERJ3GEYJ104 M 100KOHM J 1 16W 1 R2535 ERJ6GEY0...

Page 40: ...5 OHM 1 10W 1 R4002 ERJ6GEYJ682 M 6 8KOHM J 1 10W 1 R4003 ERJ3GEYJ184 M 180KOHM J 1 16W 1 R4004 05 ERJ6GEYJ221 M 220 OHM J 1 10W 2 R4006 ERJ6GEYJ750 M 75 OHM J 1 10W 1 R4007 ERJ3GEYJ184 M 180KOHM J 1...

Page 41: ...6009 ERJ3EKF1001 M 1KOHM 1 16W 1 R6010 ERJ3EKF1501 M 1 5KOHM 1 16W 1 R6011 13 ERJ3GEYJ101 M 100 OHM J 1 16W 3 D0GB101JA002 R6014 ERJ3EKF7500 M 75OHM 1 16W 1 R6015 17 ERJ3GEYJ123 M 12KOHM J 1 16W 3 R60...

Page 42: ...Y0R00 M 0 OHM J 1 10W 1 R9036 ERJ3GEYJ101 M 100 OHM J 1 16W 1 D0GB101JA002 R9037 ERJ3GEYJ393 M 39KOHM J 1 16W 1 R9038 ERJ3GEYJ101 M 100 OHM J 1 16W 1 D0GB101JA002 R9039 ERJ3GEYJ393 M 39KOHM J 1 16W 1...

Page 43: ...7 ERJ3GEYJ681 M 680 OHM J 1 16W 1 R9568 ERJ3GEYJ151 M 150 OHM J 1 16W 1 R9569 ERJ3GEYJ221 M 220 OHM J 1 16W 1 R9570 ERJ3GEYJ103 M 10KOHM J 1 16W 1 R9571 ERJ3GEYJ681 M 680 OHM J 1 16W 1 R9572 ERJ3GEYJ1...

Page 44: ...ption Pcs Remarks X1001 H0J600400006 CRYSTAL 1 X2501 H0J184500020 CRYSTAL 1 X3001 TSS4008 N CRYSTAL 1 H0J160500020 X3002 TSSA154 CRYSTAL 1 H0J372700001 X9001 H0J202500003 CRYSTAL 1 11 Schematic Diagra...

Page 45: ...B D F H P2 BOARD FOIL SIDE TNPA2393 H1 BOARD FOIL SIDE TNPA2397 H2 BOARD FOIL SIDE TNPA2398 K BOARD FOIL SIDE TNPA2396 B BOARD FOIL SIDE TXN B10GCK V BOARD FOIL SIDE TNPA2395 P1 BOARD FOIL SIDE TNPA2...

Page 46: ...8 Block and Schematic Diagrams 8 1 Schematic Diagram Notes 27...

Page 47: ...8 Block and Schematic Diagrams 8 1 Schematic Diagram Notes 27...

Page 48: ...8 2 Power Block Diagram 28...

Page 49: ...8 2 Power Block Diagram 28...

Page 50: ...29...

Page 51: ...29...

Page 52: ...8 3 Signal Block Diagram 30...

Page 53: ...8 3 Signal Block Diagram 30...

Page 54: ...31...

Page 55: ...31...

Page 56: ...8 4 Interconnection Schematic Diagram 32...

Page 57: ...8 4 Interconnection Schematic Diagram 32...

Page 58: ...8 5 A Board 1 of 5 Schematic Diagram 33...

Page 59: ...8 5 A Board 1 of 5 Schematic Diagram 33...

Page 60: ...8 6 A Board 2 of 5 Schematic Diagram 34...

Page 61: ...8 6 A Board 2 of 5 Schematic Diagram 34...

Page 62: ...8 7 A Board 3 of 5 Schematic Diagram 35...

Page 63: ...8 7 A Board 3 of 5 Schematic Diagram 35...

Page 64: ...8 8 A Board 4 of 5 Schematic Diagram 36...

Page 65: ...8 8 A Board 4 of 5 Schematic Diagram 36...

Page 66: ...8 9 A Board 5 of 5 Schematic Diagram 37...

Page 67: ...8 9 A Board 5 of 5 Schematic Diagram 37...

Page 68: ...8 10 DG Board 1 of 5 Schematic Diagram 38...

Page 69: ...8 10 DG Board 1 of 5 Schematic Diagram 38...

Page 70: ...8 11 DG Board 2 of 5 Schematic Diagram 39...

Page 71: ...8 11 DG Board 2 of 5 Schematic Diagram 39...

Page 72: ...8 12 DG Board 3 of 5 Schematic Diagram 40...

Page 73: ...8 12 DG Board 3 of 5 Schematic Diagram 40...

Page 74: ...8 13 DG Board 4 of 5 Schematic Diagram 41...

Page 75: ...8 13 DG Board 4 of 5 Schematic Diagram 41...

Page 76: ...8 14 DG Board 5 of 5 Schematic Diagram 42...

Page 77: ...8 14 DG Board 5 of 5 Schematic Diagram 42...

Page 78: ...8 15 P1 Board Schematic Diagram 43...

Page 79: ...8 15 P1 Board Schematic Diagram 43...

Page 80: ...8 16 B K V and P2 Board Schematic Diagram 44...

Page 81: ...8 16 B K V and P2 Board Schematic Diagram 44...

Page 82: ...8 17 H1 and H2 Board Schematic Diagram 45...

Page 83: ...8 17 H1 and H2 Board Schematic Diagram 45...

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Page 102: ...5 IC2502 B 5 IC2503 D 4 IC4001 D 2 IC4002 D 3 IC4003 E 3 Q001 E 3 Q003 E 2 Q004 D 3 Q005 E 3 Q802 B 2 Q803 B 1 Q806 C 2 Q808 B 2 IC TRANSISTOR Q810 B 2 Q811 E 5 Q812 D 5 Q822 B 5 Q823 E 5 Q824 D 5 Q8...

Page 103: ...5 Q2513 B 4 Q2514 C 4 Q2515 B 4 Q2516 C 4 Q2519 B 5 Q4001 F 1 TP801 E 5 TP802 A 5 TP803 B 6 TP804 E 2 TP805 B 1 TP806 B 5 TP807 C 2 TP808 C 2 TP809 B 3 TP810 B 3 TP811 A 4 TP812 C 2 TP813 C 2 TP814 B...

Page 104: ...2 E 3 IC1005 G 2 IC1006 G 1 IC1007 E 2 IC1008 E 2 IC3002 D 3 IC6001 B 4 IC6302 B 2 IC6307 C 3 IC9001 D 4 IC9502 C 4 IC9505 C 4 Q1010 G 2 Q6001 D 5 Q6002 D 5 Q6003 D 5 Q9502 C 5 Q9503 C 5 Q9504 C 5 IC...

Page 105: ...01 C 3 IC6303 C 3 IC6304 C 2 IC6305 B 2 IC6306 B 2 IC9501 C 3 IC9503 D 4 IC9504 D 4 Q901 A 5 Q902 C 5 Q903 A 4 Q904 A 4 Q905 B 5 Q906 B 5 IC TRANSISTOR TP TP9058 B 4 TP9506 B 4 TP9507 B 4 Q907 A 5 Q90...

Page 106: ...COMPONENT SIDE TNPA2393 H1 BOARD COMPONENT SIDE TNPA2397 H2 BOARD COMPONENT SIDE TNPA2398 K BOARD COMPONENT SIDE TNPA2396 B BOARD COMPONENT SIDE TXN B10GCK V BOARD COMPONENT SIDE TNPA2395 P1 BOARD COM...

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