Circuit Diagram (Panel Board: 2/4) - Roland HandSonic HPD-20 Service Notes

Sep. 2013

Circuit Diagram (Panel Board: 2/4)

fig.d-panel2.eps@L
28FMN-BTK-A (LF)(SN
TP557
TP558
TP559
TP560
TP561
TP562
TP563
TP564
TP565
TP566
TP567
TP570
TP578
TP571
TP573
TP569
TP568
TP577
TP574
TP572
TP576
TP575
TP581
TP589
TP582
TP584
TP580
TP579
C596 0.01u F C594 0.01u F
1608 1608
AGND_PRE P DGND_ P AGND_PRE P DGND_ P
C601 0.01u F C592 0.01u F
1608 1608
AGND_PRE P DGND_ P AGND_PRE P DGND_ P
40
)
CN504
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
DGND_ P AGND_POST P AGND_PRE P
C598 0.01u F C603 0.01u F
1608 1608
AGND_POST P DGND_ P AGND_POST P DGND_ P
C595 0.01u F C602 0.01u F
1608 1608
AGND_POST P DGND_ P AGND_POST P DGND_ P
HHC P
<4C3>
EXTTRG-HP <4D3>
EXTTRG-R P <4C3>
PHOR-RTNP-SI G
PHOL-RTNP-SI G
MASL-SNDP-SI G
MASR-SNDP-SI G
MASR-RTNP-SI G
MASL-RTNP-SI G
A+9V_P
C582 C580
0.1u F 100uF
C583 C581 16V
0.1u F 100uF
16V
A-9V_P
AGND_POST P
AGND_POST P
C597 0.01u F C593 0.01u F
1608 1608
AGND_POST P AGND_PRE P AGND_POST P AGND_PRE P
C600 0.01u F C599 0.01u F
1608 1608
AGND_POST P AGND_PRE P AGND_POST P AGND_PRE P
HPD-20
12 22
AGND_POST P
12 22
AGND_POST P