Circuit Diagram (Midi Board: 1/2) - Roland FA-06 Service Notes

Feb. 2014

Circuit Diagram (MIDI Board: 1/2)

fig.d-MIDI1-Fa06.eps@L
2
4
3
CONTROL 1
1
JK201
YKB21-5074
DGND
2
4
3
CONTROL 2
1
JK202
YKB21-5074
DGND
2
4
3
HOLD
1
JK203
YKB21-5074
DGND
9
ADSEL1
B
10
ADSEL0
A
6
INH
DGND
54
D+3.3V D201
1SS362FV(TPL3)
2 1
L201
DGND
BLM18BD601SN1D
R201 470
L202
D+3.3V
BLM18BD601SN1D
R204 220
1/4W
R217
DGND
D+3.3V D202
1SS362FV(TPL3)
2 1
L203
DGND
BLM18BD601SN1D
R202 470
L204
D+3.3V
BLM18BD601SN1D
R205 220
1/4W
R218
DGND
D+3.3V D203
1SS362FV(TPL3)
2 1
L205
DGND
BLM18BD601SN1D
R203 1k
L206
D+3.3V
BLM18BD601SN1D
R206 220
1/4W
DGND
D+3.3V
C212 0.1uF
DGND
3
YCOM
4
3Y
2
2Y
5
CTRL2_SENSE-SIG
1Y
1
CTRL1_SENSE-SIG
0Y
13
XCOM
11
CTRL2-SIG
3X
15
2X
14
CTRL1-SIG
1X
12
HOLD-SIG
0X
IC203
TC74LVX4052FK(EL)
2 6V
DGND
D+3.3V
DGND
D+3.3V
CTRL1-SIG
DGND
3.3k
CTRL1_SENSE-SIG
DGND DGND
D+3.3V
CTRL2-SIG
DGND
3.3k
CTRL2_SENSE-SIG
DGND DGND
D+3.3V
HOLD-SIG
DGND
IC201
2
R210 100
1
3
AK2923H-E2
IC201
6
R211 100
7
5
AK2923H-E2
IC201
AK2923H-E2
MPX_PDL-SIG
MPX_SENSE-SIG
R215 100
ADSEL0
R216 100
ADSEL1
DGND
MPX_PDL-SIG
DGND
TER201
M1698
1 4
2 3
DGND
FA-06
D+3.3V
C211
100uF 16V
C226 10uF
C225 0.1uF
DGND
1
2
3
4
5
6
7
8
9
CN201
DGND S9B-PH-K-S (LF)(SN)