Yamaha YSP-1 Service Manual page 42

A B
YSP-1
1
I PRINTED CIRCUIT BOARD (Foil side)
DSP P.C.B. (Side A) Lead Free Solder Used
2
IC3 and IC4 can not be supplied.
8
5
3
GND
Nout2
Pout2
GND
Nck2
Pck2
GND
4
Nout3
Pout3
GND
Nck3
Pck3
GND
Npwm_l
Ppwm_l
7 8
GND
AMP_PRT2
TEMP2
1 14
AMP
CB3
5
DSP
T, A, G, J models
CB302
6
7
42
C D
INPUT (2)
W10
10 11
1
10 11
1 20
4
1 20
1 24
13
48 25
12
43 44
13
37 48
12
36 1
13
25 12
24 13
1 86
12
INPUT (3)
W11
E F
5 8
1
4 1 16
51 80
50 81
9
8
8
9 31 100
30 1
1 16
24
1
73
72
24
51 75
50 76
1
24
26 100 37
25 1 36
1
G H I
INPUT (2)
CB9
37 48
36 1
25 12
24 13
AMP
CB3
11 20 TEMP1
AMP_PRT1
GND
Ppwm_r
Npwm_r
GND
Pck1
Nck1
GND
10 1
Pout1
Nout1
GND
Pck0
Nck0
GND
Pout0
Nout0
108
GND
109
144
1
J
Ref No. Location
D1 B3
D300 D4
D301 D3
D302 D4
D303 D3
IC1 D5
IC2 D3
IC3 C5
IC4 C4
IC5 B4
IC6 D5
IC7 C3
IC8 D3
IC9 C3
IC300 H3
IC301 G4
IC302 G5
IC303 F3
IC304 F3
IC305 F5
IC307 E4
IC308 E5
IC309 E5
IC310 E3
IC311 E4
IC312 E3
Q300 E3
Q301 F3