Roland V-Accordion FR-8x Service Notes page 66

July 2013
CIRCUIT BOARD
ASSY 7783603000
View from component side
CIRCUIT DIAGRAM (RIGHT REGISTER)
D+5V
C1
10uF
C2
100nF
D
CN2
1
2
3 SSC5
To
4 SSC6
SD0
5
SD1
VOLUME B. 6
7 SD2
8
9
10
11
12
B12B-PH-K-S
D
D+5V
CN1
1 D+5V
2
3
4 ENCA
5 ENCB
6 SD0
SD1
7
8 SD2
9 SD3
To
SD4
10
SD5
11
12 SSC0
JACK B.
13 SSC1
SSC2
14
SSC3
15
16 SSC4
17 SSC5
SSC6
18
19
20 LLD0
21 LLD1
LLD2
22
23 LLD3
24 RLED
25 GLED
LSC0
26
27 LSC1
28 LSC2
29
LSC3
30
30FMN-STK-A (LF)(SN) D
88
(RIGHT REGISTER)
SW1 SW2 SW3
SKEYACA010 D1 D2 SKEYACA010 SKEYACA010 D3 D4
1N4148 1N4148 1N4148 1N4148
SSC0
SW7 SW8 SW9
SKEYACA010 D7 D8 SKEYACA010 SKEYACA010 D9 D10
1N4148 1N4148 1N4148 1N4148
SSC1
SW13 SW14
SKEYACA010 D13 D14 SKEYACA010
1N4148 1N4148
SSC2
SW15
EVQ11A05R D17 D18
1N4148 1N4148
SSC2
SW19 SW19 SW20 SW20 SW21 SW21
EVQ11A05R EVQ11A05R D27 D27 D28 D28 EVQ11A05R EVQ11A05R EVQ11A05R EVQ11A05R D29 D29 D30 D30
1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148
SSC3
SW25 SW25 SW26 SW26 SW27 SW27
EVQ11A05R EVQ11A05R D37 D37 D38 D38 EVQ11A05R EVQ11A05R EVQ11A05R EVQ11A05R D39 D40
1N4148 1N4148 1N4148 1N4148 1N4148 1N4148
SSC4
SW4 SW5 SW6 SW6
SKEYACA010 SKEYACA010 D5 D5 D6 D6 SKEYACA010 SKEYACA010
1N4148 1N4148 1N4148 1N4148
SW10 SW11 SW11 SW12 SW12
SKEYACA010 SKEYACA010 SKEYACA010 D11 D11 D12 D12 SKEYACA010 SKEYACA010
1N4148 1N4148 1N4148 1N4148
LSC0
SW16 SW17 SW17 SW18 SW18
EVQ11A05R EVQ11A05R EVQ11A05R D19 D19 D20 D20 EVQ11A05R EVQ11A05R
1N4148 1N4148 1N4148 1N4148
LSC1
SW22 SW22 SW23 SW24 SW24
EVQ11A05R EVQ11A05R EVQ11A05R EVQ11A05R D31 D31 D32 D32 EVQ11A05R EVQ11A05R
1N4148 1N4148 1N4148 1N4148
LSC2
SW28 SW29 SW30 SW30
EVQ11A05R EVQ11A05R D41 D41 D42 D42 EVQ11A05R EVQ11A05R
1N4148 1N4148 1N4148 1N4148
LSC3
D15 D16 D21 D22
LJR3UB5C194 LJR3UB5C194 LJR3UB5C194 LJR3UB5C194
B B B B B B B B
D23 D24 D25 D26
LJR3UB5C194 LJR3UB5C194 LJR3UB5C194 LJR3UB5C194
B B B B B B B B
D33 D34 D35 D36
LJR3UB5C194 LJR3UB5C194 LJR3UB5C194 LJR3UB5C194
B B B B B B B B
R1
47
D43 D44 D45 D46
LJR3UB5C194 LJR3UB5C194 LJR3UB5C194 SLI-343URC3F
B B B B B B
FR-8X/XD
89