Yamaha FSW150 Service Manual - Page 13

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 WH CB3 AC1 CB5 AC2 5 AC IN W7A BE CB7 COM IN OUT CB6 6 W6A WH IC4 IC5 AC5 -B 15G +B -15 +15 R1B R1A E3 PRT SO E S4 U, C, R, T, A, L, J models CB9 CB8 B, G models G4 MAIN (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 WH MAIN (8) P.C.B. (Side A) R, 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 Ref no. Location D1 D2 IC1 C3 D3 C5 IC2 G3 D4 C6 IC3 G1 D5 D7 IC4 C5 D6 B7 IC5 C5 D7 C4 IC6 D6 D8 C5 Q2 C7 D9 C5 Q4 C6 D10 B7 Q5 D6 D11 C4 Q6 C6 D12 C7 Q7 C7 D13 C5 Q8 C7 D14 B6 Q9 C7 D15 C7 Q10 B7 D16 C7 Q11 C6 D17 B6 Q12 C7 D18 G2 Q13 H1 D19 H3 Q14 I1 D20 F2 CB4 SP- DRIVER SP+ WOOFER C56 G3 B, G models W10B1 W10B2 W10B3 W10B1 W10B2 W10B3 13