Roland PX-7B - Circuit Diagram (High) - Part 2

19
Oct. 2013 PX-7B, PX-7C
fig.d-high.eps@R
S M
S
M
P
S M
P
S
M
P
S
M
P
S
M
P
S
M P
S
M P
S M
P
S
M P
S M P
S
M
P
T(5)
T(6)
T(7) T(0) T(1) T(2) T(3) T(4) T(5) T(6) T(7)
:23)
D(21) D(22) D(23)
D(12)
D(13)
D(14)
D(15)
D(16)
D(17)
D(18)
D(19)
D(20)
D(21)
D(22)
D(23)
T(0)
T(1)
T(2)
T(3)
T(4)
T(5)
T(6)
T(7)
34
HN2D01F(TE85L,F) D322
1
6
34 25
HN2D01F(TE85L,F) D323
16 3
4
2
5
HN2D01F(TE85L,F) D324
1
6
3
4
25
HN2D01F(TE85L,F) D325
1
6
3
4
25
HN2D01F(TE85L,F) D326
1
6
34
2
5
HN2D01F(TE85L,F) D327
16 3
4
2
5
HN2D01F(TE85L,F) D328
16 3
4
25
HN2D01F(TE85L,F) D329
16 34 2
5
HN2D01F(TE85L,F) D330
1
6
3
4
2
5
HN2D01F(TE85L,F) D331
1
6
34 25
HN2D01F(TE85L,F) D332
16 34 25
CARBON_SW KB028 01
S1 S2
SW322 CARBON_SW KB028-01
P1 M1 S1 S2
M2
P2
SW323 CARBON_SW KB028-01
P1
M1 S1
S2 M2 P2
SW324 CARBON_SW KB028-01
P1 M1 S1
S2
M2 P2
SW325 CARBON_SW KB028-01
P1
M1
S1 S2
M2
P2
SW326
CARBON_SW KB028-01
P1 M1 S1 S2
M2
P2
SW327 CARBON_SW KB028-01
P1
M1
S1
S2
M2 P2
SW328
CARBON_SW KB028-01
P1 M1 S1 S2
M2
P2
SW329
CARBON_SW KB028-01
P1
M1
S1
S2
M2 P2
SW330 CARBON_SW KB028-01
P1 M1 S1
S2
M2 P2
SW331 CARBON_SW KB028-01
P1
M1
S1 S2
M2 P2
SW332 CARBON_SW KB028-01
P1 M1 S1
S2
M2 P2
CN301
20FMN-BTK-A (LF)(SN)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
(P4)
(M4)
(S4)
(P5)
(M5)
(S5)
(P6)
(M6)
(S6)
(P7)
(M7)
(S7)
P(7)
M(7) S(7)
7D7
#
E7 G7D7
#
F7 G7F7
##
B7 C8A7
#
A7
To PWB Mid
DIP NORMAL-TOP_type