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SERVICE MANUAL

COLOR TELEVISION

TV-SA2157
TV-SX2177

SHR

S/M Code No. 09-008-434-8R1

REVISION

•

This Service Manual is the “Revision Publishing” and replaces “Simple Manual”

of TV-SA2157<SHR>, (S/M Code No. 09-005-434-9T1) and TV-SX2177<SHR>,
(S/M Code No. 09-005-434-8T1).

•

This Service Manual does not include “DISASSEMBLY INSTRUCTIONS”

and “ADJUSTMENT”. These items will be issued in the next supplement.

Содержание TV-SA2157

Страница 1: ...I S I O N This Service Manual is the Revision Publishing and replaces Simple Manual of TV SA2157 SHR S M Code No 09 005 434 9T1 and TV SX2177 SHR S M Code No 09 005 434 8T1 This Service Manual does n...

Страница 2: ...3 k ohms Audio Output 8dBs less than 2 2 k ohms Speaker Main 60 X 120 mm 2 23 8 X 43 4 in Woofer 80 mm 2 31 4 in TV SX2177 only Operatiing Voltage 110 240 V AC 50 60 Hz Power Consumption TV SX2177 95...

Страница 3: ...riginal positions 5 Take care of the cathode ray tube By setting an explosion proof cathode ray tube in this equipment safety is secured against implosion However when removing it or servicing from th...

Страница 4: ...V C102 87 018 134 080 CAPACITOR TC U 0 01 16 C103 87 010 384 080 CAP ELECT 100 25V C104 87 018 134 080 CAPACITOR TC U 0 01 16 C105 87 010 263 080 CAP ELECT 100 10V C106 87 A10 207 080 CAP TCS 0 01 50K...

Страница 5: ...V WHT CN2 87 A60 734 010 CONN 8P JL BT CN3 87 A60 731 010 CONN 5P JL BT CN101 87 A60 734 010 CONN 8P JL BT CN102 87 A60 732 010 CONN 6P JL BT CN601 87 099 675 010 CONN 5P V V CN801 87 099 674 010 CONN...

Страница 6: ...080 CAP TC U 0 1 50 Z F 2177 C460 87 010 260 080 CAP ELECT 47 25V 2177 C461 87 010 367 080 CAP E 4 7 25 BP 2177 C462 87 010 382 080 CAP ELECT 22 25V 2177 C463 87 010 402 080 CAP ELECT 2 2 50V 2177 C46...

Страница 7: ...LR50 L703 87 005 473 080 COIL 10UH J FLR50 L705 87 005 473 080 COIL 10UH J FLR50 L707 87 005 473 080 COIL 10UH J FLR50 L708 87 005 485 080 COIL 100UH J FLR50 X701 87 A70 199 080 VIB XTAL 18 432MHZ TEX...

Страница 8: ...TRANSISTOR ILLUSTRATION 2SC3467D E 2SA1015GR 2SA950 2SC2785FE DTC323TS 2SC3779D E 2SJ460 2SK2541 DTC144ES 2SA1175FE 2SD2580 E C B S D G B C E E C B B E C E C B 2SC2412K E B C 1 2 3 SE115N E C B 2SC26...

Страница 9: ...WIRING 1 MAIN 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C D E F G H I J K L M N O P Q R S T U 1 2 3 4 5 6 7 8 9 25 26 27 28 29 30 31 32...

Страница 10: ...SCHEMATIC DIAGRAM 1 MAIN 10...

Страница 11: ...WIRING 2 AUDIO KEY JOINT F JOINT R 11 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C D E F G H I J K L M N O P Q R S T U 1 2 3 4 5 6 7 8 9 25 26 27 28 29 30 31 32...

Страница 12: ...12 SCHEMATIC DIAGRAM 2 AUDIO...

Страница 13: ...WIRING 3 NICAM 13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J K L M N O P Q R S T U...

Страница 14: ...SCHEMATIC DIAGRAM 3 NICAM 14...

Страница 15: ...WIRING 4 TEXT 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J K L M N O P Q R S T U...

Страница 16: ...16 SCHEMATIC DIAGRAM 4 TEXT...

Страница 17: ...WIRING 5 NK 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J K L M N O P Q R S T U...

Страница 18: ...18 SCHEMATIC DIAGRAM 5 NK...

Страница 19: ...IC BLOCK DIAGRAM 19...

Страница 20: ...20...

Страница 21: ...s div 2 V div 50 ns div 2 V div 1 2 4 5 7 IC902 PIN2 2Y IC902 PIN3 Y COM IC902 PIN4 3Y IC902 PIN11 3X IC902 PIN13 X COM IC902 PIN15 2X Q902 903 BASE Q956 906 COLLECTOR IC751 PIN23 CVBS1 Q901 912 BASE...

Страница 22: ...05 BASE EMITTER 20 s div 0 5 V div 10 10 11 11 12 Q403 DRAIN TV SX2177 ONLY 20 s div 0 5 V div 10 s div 1 V div Q108 BASE EMITTER IC301 PIN47 IFDET OUT IC301 PIN10 APC FIL 20 s div 20mV div IC301 PIN1...

Страница 23: ...RAMP IC301 PIN23 V NFB 5 ms div 2 V div 18 19 20 21 17 20 s div 2 V div IC301 PIN24 V OUT 20 s div 2 V div 5 ms div 0 2 V div IC301 PIN30 FBP IN IC301 PIN32 H OUT IC301 PIN39 Y IN IC301 PIN45 C IN 20...

Страница 24: ...div 30 31 33 28 5 ms div 1 V div 34 28 28 29 5 ms div 2 V div 5 ms div 20 V div 32 Q501 BASE 20 s div 500 V div 5 ms div 100 mV div Q601 BASE Q601 COLLECTOR Q602 BASE Q602 COLLECTOR 20 s div 50 V div...

Страница 25: ...UT1 IC403 PIN14 OUT2 0 2 ms div 20 mV div 44 45 46 42 46 45 43 20 s div 50 V div IC410 PIN2 CH1 IN IC410 PIN5 CH2 IN Q404 407 COLLECTOR TV SX2177 ONLY 0 2 ms div 0 1 V div 0 5 ms div 20 mV div IC410 P...

Страница 26: ...iv Q710 BASE EMITTER Q710 COLLECTOR Q711 BASE EMITTER IC701 PIN47 ANA_IN 0 2 s div 0 2 V div 52 53 54 51 55 53 51 52 52 52 0 2 s div 0 1 V div IC701 PIN25 TU L IC701 PIN24 TU R 50 ns div 0 5 V div 0 2...

Страница 27: ...N11 OUT2 IC409 PIN15 IN2 IC409 PIN3 LPI1 IC409 PIN4 LPO1 IC409 PIN5 BPI1 IC409 PIN12 BPI2 IC409 PIN13 LPO2 IC409 PIN14 LPI2 TV SA2157 ONLY 0 2 ms div 2 V div 0 2 ms div 0 2 V div IC410 PIN2 CH1 IN IC4...

Страница 28: ...M IC101 PIN12 I IC101 PIN13 COM IC101 PIN14 B G IC101 PIN15 D K 0 1 s div 50 mV div Q801 COLLECTOR 5 s div 1 V div 76 77 78 74 20 s div 1 V div 20 s div 1 V div 75 74 74 74 Q803 DRAIN 50 ns div 0 5 V...

Страница 29: ...put 18 MPX MSP I MSP key input Not used 19 SGV O Video signal generate Factory output Not used 20 SUFFIX I Feature select initial input Not used 21 VSS GND 22 OSD R O OSD red output 23 OSD G O OSD gre...

Страница 30: ...ed 9 VCC The VCC pin for Y C processing block 10 B Y IN I The input pin for external B Y signal Not used 11 GND The GND pin 12 F0 FIL I The pin for connecting a capacitor for automatic adjusting circu...

Страница 31: ...GB VCC Vcc of RGB circuit 18 ROUT O R signals output 19 GOUT O G signals outout 20 BOUT O B signals output 21 ABL I ABL control 22 V RAMP Connected with cap to make V RAMP signal 23 V NFB I Input of V...

Страница 32: ...detected in IF circuit 48 LOOP FIL Loop filter for IF PLL 49 VCO GND GND of VCO and SIF circuit 50 VCO The terminal connected with a tank coil for IF VCO 51 VCO The terminal connected with a tank coi...

Страница 33: ...er out left 26 NC Not connected 27 28 TP Test pin Not used 29 VREF1 Reference GND 1 high voltage part 30 SC1 OUT R O Scart output 1 right Not used 31 SC1 OUT L O Scart output 1 left Not used 32 NC Not...

Страница 34: ...0 3 5 1 5 1 5 1 IC3 1 5 1 5 1 5 1 2 5 1 5 1 5 1 3 0 0 0 IC4 1 4 0 0 0 5 5 1 5 1 5 1 6 5 1 5 1 5 1 7 0 0 0 8 5 1 5 1 5 1 IC101 1 74 74 0 2 74 74 0 3 74 74 0 4 75 75 0 5 74 74 0 6 0 0 0 7 0 0 0 8 0 0 0...

Страница 35: ...28 0 33 0 0 0 34 63 63 0 35 Not Used 36 4 9 4 9 1 3 37 2 6 2 6 0 38 2 6 2 6 0 39 29 29 0 40 7 1 7 1 0 41 Not Used 42 0 0 0 43 30 30 0 44 2 4 2 4 0 45 29 29 0 46 5 1 5 1 0 47 17 17 0 48 4 7 4 7 0 49 0...

Страница 36: ...2 0 2 20 48 48 0 2 IC403 1 4 6 4 6 0 1 2 55 55 0 1 MODE PIN NO VIDEO IN RF IN STANDBY PIN NO VIDEO IN RF IN STANDBY 3 4 6 4 6 0 1 4 4 6 4 6 0 5 4 3 4 3 0 2 6 4 3 4 3 0 2 7 49 49 0 2 8 0 0 0 9 0 5 0 5...

Страница 37: ...68 68 0 4 68 68 0 5 68 68 0 6 67 67 0 7 1 0 1 0 0 8 0 0 0 PIN NO VIDEO IN RF IN STANDBY MODE 9 4 8 4 8 0 10 Not Used 11 67 67 0 12 68 68 0 13 68 68 0 14 68 68 0 15 67 67 0 16 9 2 9 2 0 IC410 1 Not Us...

Страница 38: ...16 0 0 0 17 5 0 5 0 0 18 5 0 5 0 0 19 5 0 5 0 0 20 5 0 5 0 0 PIN NO VIDEO IN RF IN STANDBY MODE 2 33 33 0 3 34 34 6 7 4 35 35 0 5 36 36 0 6 22 9 22 9 0 7 37 37 0 IC701 1 Not Used 2 Not Used 3 Not Use...

Страница 39: ...2 1 0 0 0 2 0 0 0 3 0 0 0 4 0 0 0 5 5 0 5 0 0 6 5 0 5 0 0 7 0 0 0 PIN NO VIDEO IN RF IN STANDBY MODE 8 5 0 5 0 0 IC801 GND is C807 negative side 1 71 71 0 2 72 72 0 3 73 73 305 4 4 16 0 16 0 12 8 5 0...

Страница 40: ...D 16 16 0 S 0 0 0 Q404 Q407 B 0 0 1 3 C 2177 50 50 0 C 2157 69 69 0 E 0 0 0 Q408 G 0 0 5 2 PIN NO VIDEO IN RF IN STANDBY MODE 3 10 10 0 4 10 10 0 5 0 0 0 6 0 0 0 7 0 0 0 8 0 0 0 9 6 6 6 6 0 8 10 1 5...

Страница 41: ...4 2 E 3 2 3 2 0 Q553 B 3 3 3 3 0 C 47 47 114 2 E 3 1 3 1 0 PIN NO VIDEO IN RF IN STANDBY MODE PIN NO VIDEO IN RF IN STANDBY MODE Q554 B 1 7 1 7 0 C 0 0 0 E 2 4 2 4 0 Q601 B 39 39 0 C 40 40 116 E 0 0 0...

Страница 42: ...9 2 0 E 10 10 0 Q904 B 0 0 1 2 C 11 11 0 E 0 0 0 Q905 Q906 B 0 0 1 2 C 10 10 0 E 0 0 0 Q908 Q909 B 10 10 0 C 9 2 9 2 0 E 10 10 0 Q910 B 9 9 0 C 12 12 0 E 1 5 1 5 0 Q911 B 12 12 0 C 11 11 0 E 12 12 0 Q...

Страница 43: ...43 MECHANICAL EXPLODED VIEW 1 1 SA2157 a a 3 4 B A C 7 C 2 1 5 18 17 P C B I J J 16 15 I I 8 19 P C B C 7 C 6 14 E D 12 10 E 11 D E E 9 P C B F 13 H H F G F...

Страница 44: ...6 010 LENS LED 5 8Z JBR 004 010 KEY MAIN 6 8Z JB4 001 010 CABI FR 7 8Z JB4 620 010 SPKR 6 12 8OHM 10W 8 8Z JBR 201 010 HLDR PCB 1 9 86 LB2 602 010 CRT A51KST94X01 VM 10 84 LB3 205 010 SPR E EARTH 11 8...

Страница 45: ...DED VIEW 1 1 SX2177 a a 4 5 6 B B B A C 11 C 9 2 1 3 8 13 12 7 F F F F F F P C B 17 F F P C B 18 I J J 14 25 I I 15 26 P C B C 11 P C B 17 C 10 6 B B F F F 16 F F F F F 24 E D 20 21 E 22 D E E 19 18 P...

Страница 46: ...10 KEY MAIN 9 8Z JB4 011 010 PANEL DUCT L 10 8A JBB 001 010 CABI ASSY FR DUCT V 0 11 8Z JB4 620 010 SPKR 6 12 8OHM 10W 12 8Z JB4 695 010 AC CORD SET EH BLK 13 8Z JB5 007 010 BTN POWER SH 14 8Z JBX 602...

Страница 47: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 Printed in Singapore 9820572 0251431...

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