Yamaha PF-1000 Service Manual page 110

A B
PF-1000 OVERALL CIRCUIT DIAGRAM 2/3 (PNL, PNR, PNCL, PNCR, ENC, GH-D SW H, GH-D SW L)
1
PNR
to DM-CN9
2
ENC
3
4
5
6
7
PNL
8
9
10
11
GH-D SW H
~
(G2 C7)
12
13
14
GH-D SW L
F2 # )
~
(A-1
15
16
: Ceramic Capacitor
Note : See parts list for details of circuit board component parts.
17 PF-1000
A B
C D E
Transistor Array
CPU
C D E
F G H
Transistor Array
28CC1-8823659 1
28CC1-8823661 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
28CC1-8811214 2
F G H
I J
PNCR
PNCL
28CC1-8811214 2
KSN2
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
to DM-CN6
I J
K L
PF-1000
1
2
3
4
5
28CC1-8823663 0
6
LCD CONTRAST
7
8
9
10
28CC1-8823662
11
12
13
14
15
16
PF-1000 17
K L