Circuit Diagram (Main Board Assy/Power) - Roland SP-505 Service Notes

Oct.2001

CIRCUIT DIAGRAM (MAIN BOARD ASSY/POWER)

fig.power
ADAPTOR JK
JK7
HEC0740-010010
2
1
3
SW1B
SDKLA1-B
42
C154
470p
D
POWER SW
SW1A
SDKLA1-B
1 2
C229
ERZV07V330 CS
IC45
NJM2360A
1 8
IN CD
2 7
ES IPK
5 6
VIN- VCC
3 4
CT GND
L32
DSS9ND31H223Q
D
C160
1 4
1000/25
D9
S1NB60-4101
Q16
2SA1706S-AN
1 2
R120
270
R121
100
R123 0.33
(1/2W)
D
L7
N2012ZP121T