Roland PX-7B - Circuit Diagram (Low) - Part 1

14
Oct. 2013 PX-7B, PX-7C
Circuit Diagram (Low)
fig.d-low.eps@L
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
S
M
P
S M
P
S
M
P
S
M
P
S
M
P
T(0:5)
D(0:11)
T(0)
T(1) T(2)
T(3) T(4) T(5) T(0) T(1)
T(2)
T(3) T(4) T(5)
T(0)
T(1)
T(2)
T(3)
D(0)
D(1)
D(2)
D(3) D(4) D(5)
D(6) D(7) D(8)
HN2D01F(TE85L,F) D116
16 3
4
25
HN2D01F(TE85L,F)
D103
1
6
34
25
HN2D01F(TE85L,F) D115
16 34 2
5
HN2D01F(TE85L,F) D114
16 34 2
5
HN2D01F(TE85L,F) D113
16 3
4
25
HN2D01F(TE85L,F) D112
1
6
34 2
5
HN2D01F(TE85L,F) D111
1
6
34
25
HN2D01F(TE85L,F) D110
1
6
34 2
5
HN2D01F(TE85L,F)
D101
16
34 2
5
HN2D01F(TE85L,F) D109
16 34
25
HN2D01F(TE85L,F) D108
1
6
3
4
2
5
HN2D01F(TE85L,F)
D107
16 3
4
2
5
HN2D01F(TE85L,F) D106
1
6
3
4
2
5
HN2D01F(TE85L,F) D102
16 34 2
5
HN2D01F(TE85L,F) D105
1
6
3
4
25
HN2D01F(TE85L,F) D104
1
6
3
4
2
5
SW101
CARBON_SW KB028-01
P1 M1
S1
S2
M2 P2
SW102 CARBON_SW KB028-01
P1 M1
S1 S2
M2
P2
SW103
CARBON_SW KB028-01
P1
M1
S1
S2
M2
P2
SW104 CARBON_SW KB028-01
P1 M1
S1 S2
M2
P2
SW105
CARBON_SW KB028-01
P1 M1
S1
S2
M2
P2
SW106 CARBON_SW KB028-01
P1 M1 S1 S2
M2
P2
SW107
CARBON_SW KB028-01
P1
M1
S1 S2
M2
P2
SW108 CARBON_SW KB028-01
P1 M1
S1 S2
M2
P2
SW109
CARBON_SW KB028-01
P1
M1
S1
S2
M2
P2
SW110
CARBON_SW KB028-01
P1 M1 S1 S2
M2 P2
SW111
CARBON_SW KB028-01
P1
M1
S1
S2
M2 P2
SW112
CARBON_SW KB028-01
P1 M1 S1 S2
M2
P2
SW113
CARBON_SW KB028-01
P1
M1 S1 S2
M2 P2
SW114
CARBON_SW KB028-01
P1 M1 S1
S2
M2
P2
SW115 CARBON_SW KB028-01
P1
M1
S1 S2
M2 P2
SW116
CARBON_SW KB028-01
P1 M1 S1
S2
M2
P2
(S0)
(P0)
(M0)
(P1)
(M1)
(S1)
(P2)
(M2) (S2)
A0 A0
#
B0 C1 C1
#
D1
#
D1 F1E1
#
F1 G1 G1 A1
##
B1A1 C2