Service Manual
Page 3
... woofer Input Section INPUT RCA pin jack Operation Section Front panel ..... Korean model A .......... U .......... Singapore model J Japanese model Advanced Yamaha Active Servo Tech- I SPECIFICATIONS Type Advanced Yamaha Active Servo Technology II Output Power / ग़ྗ (100 Hz, 5 ohms, 10% T.H.D.) [YST-FSW150 75 W [YST-FSW050 50 W Dynamic Power 5 ohms) [YST-FSW150 130 W [YST-FSW050 100 W Input Sensitivity 50 Hz, 75 W / 5 ohms, INPUT (PJ)) [YST-FSW150...
... woofer Input Section INPUT RCA pin jack Operation Section Front panel ..... Korean model A .......... U .......... Singapore model J Japanese model Advanced Yamaha Active Servo Tech- I SPECIFICATIONS Type Advanced Yamaha Active Servo Technology II Output Power / ग़ྗ (100 Hz, 5 ohms, 10% T.H.D.) [YST-FSW150 75 W [YST-FSW050 50 W Dynamic Power 5 ohms) [YST-FSW150 130 W [YST-FSW050 100 W Input Sensitivity 50 Hz, 75 W / 5 ohms, INPUT (PJ)) [YST-FSW150...
Service Manual
Page 12
YST-FSW150/ YST-FSW050 YST-FSW150/YST-FSW050 I BLOCK DIAGRAM YST-FSW150/YST-FSW050 INPUT S1 PJ1 IC1A 6S2 5 + 7 VR1 VOLUME S3 L.P.F. 6dB/oct 3 + IC1B 1 2- H.P.F. 12dB/oct POWER AMP. +B RY1 S4 3 10 - 12 S0 2 IC3 + 9 -B A.N.IC IC2 DRIVER WOOFER + R59 0.1 SYSTEM CONTROL +10 JK1 DRIVER Q10,11 AC IN LIMITER Q5,6,7,8 RY2 POWER SW1 +B F1 T1 POWER SUPPLY D20 AC5 IC4 REGULATOR IC5 D1 -B POWER INDICATOR PROTECTION Q2,4,9,12 +15 -15 12 L.P.F. 12dB/oct IC6B 5+ 7 - IC6A 3+ 1 -
YST-FSW150/ YST-FSW050 YST-FSW150/YST-FSW050 I BLOCK DIAGRAM YST-FSW150/YST-FSW050 INPUT S1 PJ1 IC1A 6S2 5 + 7 VR1 VOLUME S3 L.P.F. 6dB/oct 3 + IC1B 1 2- H.P.F. 12dB/oct POWER AMP. +B RY1 S4 3 10 - 12 S0 2 IC3 + 9 -B A.N.IC IC2 DRIVER WOOFER + R59 0.1 SYSTEM CONTROL +10 JK1 DRIVER Q10,11 AC IN LIMITER Q5,6,7,8 RY2 POWER SW1 +B F1 T1 POWER SUPPLY D20 AC5 IC4 REGULATOR IC5 D1 -B POWER INDICATOR PROTECTION Q2,4,9,12 +15 -15 12 L.P.F. 12dB/oct IC6B 5+ 7 - IC6A 3+ 1 -
Service Manual
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... D20 F2 CB4 SP- A B 1 I PRINTED CIRCUIT BOARDS MAIN (3) P.C.B. (Side A) VOLUME 2 1 8 S3 3 E S2 +15 -15 LEDG LED IC1 W2 C D E F G YST-FSW150 MAIN (1) P.C.B. (Side A) POWER OFF/SYSTEM ON Power indicator IC3 12 H B, G models 1 W3A WH W3B BE IC2 8 1 W10A3 W10A2 W10A1 W9 W8 MAIN (2) P.C.B. (Side A) 4...BE BE W11B W7B W12B W13B W14B W6B W6B W7B AC5 -B 15G +B -15 +15 R1B R1A E3 PRT SO E S4 I J YST-FSW150/YST-FSW050 • Semiconductor Location Ref no . DRIVER SP+ WOOFER C56 G3 B, G models W10B1 W10B2 W10B3 W10B1 W10B2 W10B3 13 Location Ref no .
... D20 F2 CB4 SP- A B 1 I PRINTED CIRCUIT BOARDS MAIN (3) P.C.B. (Side A) VOLUME 2 1 8 S3 3 E S2 +15 -15 LEDG LED IC1 W2 C D E F G YST-FSW150 MAIN (1) P.C.B. (Side A) POWER OFF/SYSTEM ON Power indicator IC3 12 H B, G models 1 W3A WH W3B BE IC2 8 1 W10A3 W10A2 W10A1 W9 W8 MAIN (2) P.C.B. (Side A) 4...BE BE W11B W7B W12B W13B W14B W6B W6B W7B AC5 -B 15G +B -15 +15 R1B R1A E3 PRT SO E S4 I J YST-FSW150/YST-FSW050 • Semiconductor Location Ref no . DRIVER SP+ WOOFER C56 G3 B, G models W10B1 W10B2 W10B3 W10B1 W10B2 W10B3 13 Location Ref no .
Service Manual
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... C7 D19 I3 Q13 H1 D20 F2 Q14 I1 IC1 C3 CB4 SP- DRIVER SP+ WOOFER C56 K, B, G models G3 W10B3 W10B2 W10B1 W10B3 W10B2 W10B1 A B C YST-FSW150/YST-FSW050 1 MAIN (3) P.C.B. (Side A) VOLUME 2 1 IC1 W2 8 S3 3 E S2 +15 -15 LEDG LED D E F G YST-FSW050 MAIN (1) P.C.B. (Side A) POWER 12 OFF/SYSTEM ON Power indicator H K, B, G models IC3 1 W3A WH...
... C7 D19 I3 Q13 H1 D20 F2 Q14 I1 IC1 C3 CB4 SP- DRIVER SP+ WOOFER C56 K, B, G models G3 W10B3 W10B2 W10B1 W10B3 W10B2 W10B1 A B C YST-FSW150/YST-FSW050 1 MAIN (3) P.C.B. (Side A) VOLUME 2 1 IC1 W2 8 S3 3 E S2 +15 -15 LEDG LED D E F G YST-FSW050 MAIN (1) P.C.B. (Side A) POWER 12 OFF/SYSTEM ON Power indicator H K, B, G models IC3 1 W3A WH...
Service Manual
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A B C D E F G H I J K L M N SCHEMATIC DIAGRAMS YST-FSW150 MAIN 1 YST-FSW150/YST-FSW050 MAIN (1) POWER AMP. IC3 0 0.2 0.2 -42.1 +14.8 +1.8 +1.2 -1.1 -42.6 +42.4 0 0 OUT1 +IN1 -IN1 -Vcc +IN2 -IN2 OUT2 +Vcc 2 +42.4 +42.4 +42.4 -11.2 0...37.1 -42.6 CB8 W8 +24.6 0 W9 CB9 POWER W10A1 -42.6 +42.4 SUPPLY W10A2 W10A3 PROTECTION +1.4 -11.2 0 +1.4 0 0 +1.4 +0.9 +1.4 +0.2 +0.8 0 +0.8 0 AC 62.4V CB4 - + DRIVER WOOFER IC1, 2, 6: NJM4558L Dual operational amplifier 1 23456 78 IC3: STK404-120 Power amplifier TR7 R1 TR1 TR2 R2 TR6 R4 R5 TR8 C2 C1 TR5 TR3...
A B C D E F G H I J K L M N SCHEMATIC DIAGRAMS YST-FSW150 MAIN 1 YST-FSW150/YST-FSW050 MAIN (1) POWER AMP. IC3 0 0.2 0.2 -42.1 +14.8 +1.8 +1.2 -1.1 -42.6 +42.4 0 0 OUT1 +IN1 -IN1 -Vcc +IN2 -IN2 OUT2 +Vcc 2 +42.4 +42.4 +42.4 -11.2 0...37.1 -42.6 CB8 W8 +24.6 0 W9 CB9 POWER W10A1 -42.6 +42.4 SUPPLY W10A2 W10A3 PROTECTION +1.4 -11.2 0 +1.4 0 0 +1.4 +0.9 +1.4 +0.2 +0.8 0 +0.8 0 AC 62.4V CB4 - + DRIVER WOOFER IC1, 2, 6: NJM4558L Dual operational amplifier 1 23456 78 IC3: STK404-120 Power amplifier TR7 R1 TR1 TR2 R2 TR6 R4 R5 TR8 C2 C1 TR5 TR3...
Service Manual
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...14.4 0 0 AC 51.2V +0.2 +0.2 0 -34.3 +15.0 +1.8 +1.2 +1.2 -34.8 +34.7 0 0 OUT1 +IN1 -IN1 -Vcc +IN2 -IN2 OUT2 +Vcc DRIVER WOOFER IC1, 2, 6: NJM4558L Dual operational amplifier 1 23456 78 IC3: STK404-120 Power amplifier TR7 R1 TR1 TR2 R2 TR6 R4 R5 TR8 C2 C1 TR5 TR3...OUT 2: COM 1: OUT 2: IN 1 V723510 JG-11-T FG64410 0.01/50 FG65122 22P O O A B C D E F G H I J K L M N YST-FSW150/YST-FSW050 1 MAIN YST-FSW050 2 INPUT 3 JK1 SYSTEM CONNECTOR 4 L.P.F. +15.0 0 IC1 0 0 5 MAIN (3) 6 (R, L models) MAIN (8) W11B POWER TRANSFORMER W7B W10B1 W12B 7 W13B ...
...14.4 0 0 AC 51.2V +0.2 +0.2 0 -34.3 +15.0 +1.8 +1.2 +1.2 -34.8 +34.7 0 0 OUT1 +IN1 -IN1 -Vcc +IN2 -IN2 OUT2 +Vcc DRIVER WOOFER IC1, 2, 6: NJM4558L Dual operational amplifier 1 23456 78 IC3: STK404-120 Power amplifier TR7 R1 TR1 TR2 R2 TR6 R4 R5 TR8 C2 C1 TR5 TR3...OUT 2: COM 1: OUT 2: IN 1 V723510 JG-11-T FG64410 0.01/50 FG65122 22P O O A B C D E F G H I J K L M N YST-FSW150/YST-FSW050 1 MAIN YST-FSW050 2 INPUT 3 JK1 SYSTEM CONNECTOR 4 L.P.F. +15.0 0 IC1 0 0 5 MAIN (3) 6 (R, L models) MAIN (8) W11B POWER TRANSFORMER W7B W10B1 W12B 7 W13B ...