Roland CUBE-STEX - Main Board Circuit Diagrams (Part 8); Amplifier Power Control Schematics

37
Apr. 2014 CUBE-STEX
fig.d-main-4.eps@R
LINE_MUTE
D+3.3V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
PVDD+12V
DGND
DGND
MUTE_CONTROL
DGND
AMP_POWER
DGND
PVCC
ENB_ON
DGND
POWER_SW_SENSE
DGND
A-5V
DGND
DGNDAGND AGND
47k
R46
47k
R116
10k
R134
47k
R121
47k
R117
2SC4116SU-GR.LF(D
Q11
1
23
2SC4116SU-GR.LF(D
Q8
1
23
47k
R109
2SC4116SU-GR.LF(D
Q6
1
23
Q19
2SA1586SU-GR.LF(D
23
1
10k
R139
47k
R118
2SC4116SU-GR.LF(D
Q10
1
23
D13
1SS355 TE-17(PB FREE)
47k
R130
2SC4116SU-GR.LF(D
Q5
1
23
47k
R119
10k
R138
100
R164
100
R165
47k
R111 Q16
2SA1586SU-GR.LF(D
23
1
47k
R87
0.1uF
C204
0.1uFC215
D24
1SS355 TE-17(PB FREE)
UnPop
BD9306AFVM-TR
IC23
1
RT
2
CT
3
ENB
7
COMP
6
GND
4
GD
8
FB
5
VCC
D26
1SS355 TE-17(PB FREE)
UnPop
10uF
C241
25V
0.1uF
C236
10uF
C240
25V
D27
RSX501L-20TE25
470pFC237
Q23
RXH125N03
G
4
S1
1
S2
2
S3
3
D1
5
D2
6
D3
7
D4
8
L18
BLM21AG121SN1D
10uH
WQPCRH1207-100M-98D
L19
D28
CLH05(TE16L.Q)
D29
RSX501L-20TE25
470k
R182
2SC4116SU-GR.LF(D
Q21
1
2
3
47k
R58
TPC8127
Q24
4
G1
1
S1
3
S3
2
S2
5
D1
6
D2
7
D3
8
D4
0.22uF
C238
10k
R189
F (1%)
15k
R197
22pF
C242
0.1uF
C235
C244 22uF
16V
1/2W
0.1
R196
0.1uFC197
C177
22uF
16V
0
R160
UnPop
47k
R162
UnPop
0.1uF
C4
C191
100uF
16V
C176
10uF
16V
C1
10uF
16V
1000pFC271
C58 150uF 35V
VZS151M1VTR-0810
C32
3300uF
35V
3.3k
R262
UnPop
0.1uFC295
UnPop
5.6kR67
10
R176
10
R95
D (0.5%)
240k
R213
POWER SW ON :HI
POWER SW OFF :LOW