Printed Circuit Board - Yamaha YST-FSW100 Service Manual

A B
1
PRINTED CIRCUIT BOARD (Foil side) Lead Free Solder Used
MAIN (3) P. C. B.
WH
2
BE
R148
R147
-V
LEDG
-15
+15
3
MA
E
MAIN
4
R149
MA
+10
E
INPUT
5
R127 U, C, J models
SYSTEM
CONNECTOR
MAIN (4) P. C. B.
6
MAIN (2) P. C. B.
MAIN (11) P. C. B.
7
C D
DRIVER
Circuit No. U, C, J R, L K, B, G T, A
D28, D29 O X X X
J48, 49 X O O O
CB1 O X X X
W1 O X X X
JK1 O X X X
R127 O X X X
R13 O X X X
C79 X X O X
POWER
R145, 146 O X X X
Q4 O X X X
Q3 O X X X
D9, 11, 26 O X X X
D27 O X X X
RY2 O X X X
C34 O X X X
R20, 21, 128 O X X X
J28, 51 O O X O
L1, 3 X X O X
• Semiconductor Location
Ref. no. Location Ref. no. Location Ref. no. Location Ref. no. Location
D1 I2 D11 D6 IC1 G1 Q6 F2
D2 H3 D22 G3 IC4 B3 Q9 H3
D3 I3 D23 F3 IC5 B3 Q10 H3
D4 H2 D24 J3 IC6 F3 Q17 E2
D5 H2 D25 E3 Q1 F2 Q18 E2
D6 G2 D26 D6 Q2 F3 Q19 F3
D7 F2 D27 D6 Q3 D5 Q20 F3
VOLUME D8 C3 D28 I3 Q4 D5
D9 D6 D29 I3 Q5 G2
(W9B)
WH
E
E
+10
+15
(W8B)
BE
E F G
MAIN (1) P. C. B.
12
9 1
MAIN (7) P. C. B.
U, C, T, K, A,
B, G, J models
MAIN (9) P. C. B.
R, L models
(W7B)
(W11B) (W6B)
RE
BE YE
(W9A)
WH
(W6A)
YE
(W10B)
BR
(W7A)
RE
(W10A)
BR
(W8A)
BE
(W11A)
BE
H I
(W5A2) (W5A3) (W5A1)
BL RE RE
1
(W8A)
BE
(W9A)
WH
(W5B1)
RE
(W5B2)
BL
(W5A3)
RE
MAIN (10) P. C. B.
R, L models
J
YST-FSW100
(W5B1)
RE
(W5B2)
BL
(W5B3)
RE
11