Roland ME-80

34
Jan. 2014 ME-80
Circuit Diagram (Main Board: 4/4)
fig.d-main4.eps
GND
D+3.3
SW-INT
D+3.3
EXP-VR
VR1-COM
VR2-COM
VR3-COM
VR4-COM
MUX-A
MUX-B
MUX-C
LED-CLK
LED-DATA1
LED-DATA2
LED-DATA3
SW-1
SW-2
SW-3
SW-4
SW-5
SW-6
SW-7
SW-8
SW-11
SW-12
GND
SW-9
SW-10
DTA114TUAT106
Q40
2
3
1
TP105
DAP202U T106(PB FREE)D19
3
21
DAP202U T106(PB FREE)D18
3
21
DAP202U T106(PB FREE)D6
3
21
DAP202U T106(PB FREE)D7
3
21
10k
R310
2.2k
R309
TP72
28FMN-STK-A (LF)(SN)
CN8
22
2
1
8
7
6
5
4
3
15
14
13
12
11
10
9
21
20
19
18
17
16
28
27
26
25
24
23
TO PANEL BOARD CN2