Yamaha YSP-1000 Service Manual page 55

A B
1
I PRINTED CIRCUIT BOARD (Foil side)
INPUT (2) P.C.B. (Side B) Lead Free Solder Used
2
3
8 1
9 16
4
5
6
7
C D E
14 8
1 7
8 1
9 16
8
1
F G
4
8 1
5
9 16
14 8
14 8
1
7
7
1
5
4
Circuit No. U, C, T, K, A, B, G, L, V
R119 O
X : NOT USED
O : USED / APPLICABLE
H I
1
12
1
8
13 24
1 48
37
12
13 36
1 3
24 25
5 4
• Semiconductor Location
Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location
J
X
D1 E4 D7 H5 IC5 E5 IC15
D2 E4 D8 J5 IC6 H4 Q1
D3 E4 IC1 D3 IC7 F4 Q2
D4 E4 IC2 G3 IC9 F4 Q3
D5 G4 IC3 B4 IC10 H4 Q4
D6 I4 IC4 E4 IC11 I5 Q5
J
YSP-1000
E4 Q6 D4
E4 Q7 D4
E4 Q8 I4
E4 Q9 I4
E4 Q10 G4
G4
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