Yamaha FSW150 Service Manual - Page 14
YST-FSW050 - yst b
UPC - 027108928838
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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, A, L, J models K, B, G models MAIN (4) P.C.B. (Side A) BE WH AC5 -B 15G +B -15 +15 R1B R1A E3 PRT SO E S4 G4 W1 CB3 CB9 CB8 S3 E S2 +15 -15 LEDG LED C53 AC1 AC2 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 220-240V VOLTAGE SELECTOR MAIN (7) P.C.B. (Side A) U, C, T, K, A, B, G, J models BE WH MAIN (8) P.C.B. (Side A) R, L models BE BE BR RE YE WH W6B W14B W13B W12B W7B W11B W6B E +10 S1 AC5 -B 15G +B W7B -15 +15 R1B R1A E3 PRT SO E S4 I J • Semiconductor Location Ref no. Location Ref no. Location D1 D2 IC2 H3 D3 C5 IC3 G1 D4 C6 IC4 C5 D5 D7 IC5 C5 D6 B7 IC6 D6 D7 C4 Q2 C7 D8 C5 Q4 C6 D10 B7 Q5 D6 D11 C4 Q6 D6 D12 C7 Q7 C7 D14 B6 Q8 C7 D15 C7 Q9 C7 D16 C7 Q10 B7 D17 B6 Q11 C6 D18 H2 Q12 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