Service Manual
Page 3
...-3/16") 3 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 100 mV [YST-FSW050 50 mV Input Impedance INPUT (PJ 12 k-ohms Frequency Response YST-FSW150 30 Hz to 160 Hz [YST-FSW050 35 Hz to 160...
...-3/16") 3 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 100 mV [YST-FSW050 50 mV Input Impedance INPUT (PJ 12 k-ohms Frequency Response YST-FSW150 30 Hz to 160 Hz [YST-FSW050 35 Hz to 160...
Service Manual
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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 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- L.P.F. 12dB/oct IC6B 5+ 7 -
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 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- L.P.F. 12dB/oct IC6B 5+ 7 -
Service Manual
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... (4) P.C.B. (Side A) W1 E +10 S1 S3 E S2 +15 -15 LEDG LED C53 CB1 L2 CB2 IN COM OUT 8 IC6 C8 1 E +10 JK1 S1 B, G models SYSTEM CONNECTOR INPUT MAIN (6) P.C.B. (Side A) R, L models BR W14A YE W12A CB11 W11A BE CB12 W13A RE 7 110-120V 220-240V VOLTAGE SELECTOR MAIN (7) P.C.B. (Side A) U, C, T, A, B, G, J models BE... L models WH YE RE BR 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 . Location D1 D2 IC1 C3 D3 C5 IC2 G3 D4 C6 IC3 G1 D5 D7 IC4 C5 D6 B7...
... (4) P.C.B. (Side A) W1 E +10 S1 S3 E S2 +15 -15 LEDG LED C53 CB1 L2 CB2 IN COM OUT 8 IC6 C8 1 E +10 JK1 S1 B, G models SYSTEM CONNECTOR INPUT MAIN (6) P.C.B. (Side A) R, L models BR W14A YE W12A CB11 W11A BE CB12 W13A RE 7 110-120V 220-240V VOLTAGE SELECTOR MAIN (7) P.C.B. (Side A) U, C, T, A, B, G, J models BE... L models WH YE RE BR 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 . Location D1 D2 IC1 C3 D3 C5 IC2 G3 D4 C6 IC3 G1 D5 D7 IC4 C5 D6 B7...
Service Manual
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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 W3B BE IC2 8 1 W10A3 W10A2 W10A1 W9 W8 MAIN (2) P.C.B. (Side A) 4 U, C, R, T, ... 5 AC IN BE 6 WH CB5 W7A W6A CB6 CB7 CB1 L2 JK1 CB2 S1 +10 E COM IN OUT IC4 IC5 IN COM OUT SYSTEM CONNECTOR INPUT C8 K, B, G models MAIN (6) P.C.B. (Side A) 8 IC6 1 R, L models BR W14A YE W12A CB11 CB12 W11A BE W13A RE 7 14 110-120V 220-...
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 W3B BE IC2 8 1 W10A3 W10A2 W10A1 W9 W8 MAIN (2) P.C.B. (Side A) 4 U, C, R, T, ... 5 AC IN BE 6 WH CB5 W7A W6A CB6 CB7 CB1 L2 JK1 CB2 S1 +10 E COM IN OUT IC4 IC5 IN COM OUT SYSTEM CONNECTOR INPUT C8 K, B, G models MAIN (6) P.C.B. (Side A) 8 IC6 1 R, L models BR W14A YE W12A CB11 CB12 W11A BE W13A RE 7 14 110-120V 220-...
Service Manual
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... C2 C1 TR5 TR3 TR4 D1 R3 R6 PT1 SUB 1 2 3 4 56 7 8 9 10 11 12 IC4: NJM78M15FA Voltage regulator INPUT OUTPUT IC5: NJM79M15FA Voltage regulator COMMON COMMON OUTPUT W6B W10B3 W6B W10B3 DRIVER INPUT W6A 8 W7A MAIN (6) W6A CB6 CB7 W7A CB5 0 -0.5 -0.2 +14.8 +14.2 +14.2 0 0 W13A W11A 9 W14A W12A... be replaced with parts having specifications equal to those originally installed. # Schematic diagram is subject to change without notice. 15 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.
... C2 C1 TR5 TR3 TR4 D1 R3 R6 PT1 SUB 1 2 3 4 56 7 8 9 10 11 12 IC4: NJM78M15FA Voltage regulator INPUT OUTPUT IC5: NJM79M15FA Voltage regulator COMMON COMMON OUTPUT W6B W10B3 W6B W10B3 DRIVER INPUT W6A 8 W7A MAIN (6) W6A CB6 CB7 W7A CB5 0 -0.5 -0.2 +14.8 +14.2 +14.2 0 0 W13A W11A 9 W14A W12A... be replaced with parts having specifications equal to those originally installed. # Schematic diagram is subject to change without notice. 15 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.
Service Manual
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...SUB 1 2 3 4 5 6 7 8 9 10 11 12 IC4: NJM78M15FA Voltage regulator INPUT OUTPUT IC5: NJM79M15FA Voltage regulator COMMON COMMON OUTPUT INPUT s16 L2 s17 J502 O O PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS. 2SA970 2SA1015...COM 1: 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 W10B2 W14B W6B W10B3 W6A 8...
...SUB 1 2 3 4 5 6 7 8 9 10 11 12 IC4: NJM78M15FA Voltage regulator INPUT OUTPUT IC5: NJM79M15FA Voltage regulator COMMON COMMON OUTPUT INPUT s16 L2 s17 J502 O O PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS. 2SA970 2SA1015...COM 1: 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 W10B2 W14B W6B W10B3 W6A 8...