Circuit Diagram (Top Board 2/4) - Roland R-09 Service Notes

Apr. 2006

Circuit Diagram (TOP BOARD 2/4)

fig.diagram-top-2@L
VCC_BAT
VCC_BAT VCC_BAT_E N
Q6
SSM3J108TU
2 3
+
D 3. 3
R75
R152 100k
10k
R77
XPOWER_SW
1k
POWER_SW_DET
1 2 1
Q10 DA1
SSM3K102TU MA142WA-(TX)
D
30
R59 R60 CDRH4D28@
NIU 0
+
D 3. 3
TPS62000DGS
IC10
1 9
VIN L
8 5
EN FB
6 4
ILIM PG
7 10
SYNC PGND
D
C112
10
GRM31@
C115
R65 R66 0.1u
D
0 NIU
CDRH5D28@ C117
L17 10uH
IC11
9 2
SW VOUT
6
VBAT
1 3
EN FB
7
LBI
4
LBO
8
PS
C121 5 10
GND PGND
10
GRM31@
TPS61025
C122
D D
47/6R3
RV2-V@M-R
R76
NIU
D
VCC_BAT_E N
R80
RR0816@D
3
100k
Q7
1
DTC114EUA
1
PW_E
R81
RR0816@D
100k
D D
D+1.6PG
D+1.6
10uH C113
L16 R62 10
240k(D)
C111
R61 150p
220k
C114
47u
SY8-@MZ4-RA
+
D 3. 3
R63 R64
120k(D) 430k(D)
R67
R69
100k
D
1
Q3 100k C116
SSM3K102TU NIU
D
+
D 3. 3
R71
0
10
C118
EEEFK@
220/6.3
D D
+
D 3. 3
S-80930CNMC-G80
IC13
2
VDD OUT
C127
3
VSS NC
0.1u
C128
0.1u
D
+
D 3. 3
C129
0.1u
IC14A
IC14B
-
4 D
VBAT
+ -
TC75S51FU
+
TC75S51FU
*NOTE : "NIU" means "Not In Use"
D
XCORE_SPEEDUP
+
D 3. 3
R78
10k
XRESET
1
XRESET
4
R-09
31