Roland CUBE-100 BASS - Circuit Diagram(Amp)

Oct.2004(Jul.2006)
CB-100
CIRCUIT DIAGRAM(AMP)
fig.CB-100_circuit3.eps
+VPP
+VPP
+VPP
+VPP
-VNN
-VNN
-VNN
-VNN
-VNN
+VN10
+VN10
+VN10
+VN10
-VNN
50mA
W8(BLACK)
W7(RED)
+30dBu
"12 (30cm) 8ohms
SPEAKER Unit
+VPP
-VNN
from MAIN BOARD
Refer to p.21
SP2
to FRAME GND
to FRAME GND
to FRAME GND
to FRAME GNDto HEATSINK
to FRAME GND
'SP2
'POWER_AMP_IN
'CPU_POWER_MUTE
'POWER_MUTE
SP1
'SP2
A
+
5A
A
A
A
A
+
+
5A
+
+
5A
A
+
+
A
+
A
2-1A
2
+
1
-
-
A
+
5A
2
+
1
+
+
+
-
-
-
-
+
-
2-1
2
+
1
A
2
+
1
2-1
2-1
A
+
5A
A
A
A
2
+
1
2-1
A
AA
C397
330p
C304
0.1/50
R230
1kF
Q393
UN2111
1
3 2
R307
100
C272
0.1/50
R234
6.8k 1/4W
R214
330k
R224
NIU
C305
0.1/50
R259
180kF
R306
330k
D394
1SS355
1 2
IC203
TA2022
VBOOT2
1
VN10
2
VN10GND
3
VPP2
4
VN10SW
5
NC
6
OUT2
7
VNN2
8
VNN1
9
OUT1
10
NC
11
VPP1
12
VBOOT1
13
VN10FDBK
14
AGND
15
V5
16
REF
17
VNNSENSE
18
VPPSENSE
19
AGND
20
V5
21
OAOUT1
22
INV1
23
MUTE
24
OAOUT2
25
INV2
26
BIASCAP
27
FBKGND2
28
FBKOUT2
29
FBKGND1
30
FBKOUT1
31
HMUTE
32
D402
EC11FS2
1 2
RY201B
5 6
R272
1k
R235
6.8k 1/4W
C303
470/35
C210
47/50 105c
C226
0.22/50
C229
0.22/50
D202
1SS355
12
C223
100p
R218
47k
L201
12
4 3
C231
330p
R392
22k
C218
0.47/50
C209
0.1/50
R305
330k
D295
EC10QS04
1 2
C301
0.1/50
C233
0.1/100
R209
NIU
R396
10k
C302
470/35
C270
100/35 105c
D401
EC11FS2
1 2
D201
1SS355
12
D211
EC11FS2
1 2
C225
0.22/50
R216
100k
R225
6.8k
C220
0.1/50
R219
47k
Q392
UN2111
1
3 2
C206
47/50 105c
R217
100k
R226
1kF
R239
120
R395
10k
D405
EC11FS2
1 2
R223
1k
RY201A
OSA-SH-209DM3
3 4
R254
180kF
C222
100p
C212
0.22/50
+
-
IC202B
UPC4570G
6
5
7
C207
0.1/50
C211
0.22/50
RY201C
2 1
R208
8.2k
C234
0.1/100
R236
6.8k
R228
1kF
R391
22k
C217
0.47/50
R397
NIU
R237
6.8k
R215
330k
+
-
IC202A
UPC4570G
2
3
1
R220
47k
R211
22k
L270
DR1008-101K-U3.5
R238
120
R221
47k
D204
1SS355
1 2
C230
0.22/50
C394
22/50 105c
D403
1SS355
12
D395
1SS355
1 2
R222
82 1/2W
R401
470k
C213
0.47/50
C214
0.47/50
R393
2.2k
R303
6.8 2W
R301
6.8 2W
WP18
W12(8p)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
C406
0.1
C407
100/35 105c
C404
100/35 105c
C408
0.1
IC204
uPC2905
IN
1
GND
2
OUT
3
C405
0.1
R420
MOF2W100
SP1
1
L40
BLM21AG121SN1
+
-
IC202C
UPC4570G
84
C416
0.1
Q394
2SD2525
1
3 2
C417
0.1
R229
1kF
C419
47/25
R231
1kF
C418
47/25
R227
1kF
FUSE7
MRT80mAL/250V
C420
NIU
R440
10k
Q303
2SC4116GR
1
2 3
R302
2.2k
Q400
2SC4116GR
1
2 3
WP20
W13(9p)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
R232
1kF
R233
1kF
R441
100F
R442
100F
R443
100F
R444
100F
R210
22k
C423
NIU
R402
470k
C426
0.01
C427
0.01
C424
NIU
C425
NIU
R399
22k
C396
P-1.0
C429
NIU
R449
120
R450
120
R400
NIU
R398
NIU
LED10
NIU
12
C433
NIU
C434
0.1
J001
NIU
C235
0.1/50
C219
0.1/50
C227
0.22/50
Q391
UN2211
1
2 3
C228
0.22/50
R445
NIU
C438
NIU
C437
NIU
R454
10
LED7
NIU
1 2
to WP19
Refer to p.21
to WP17
Refer to p.21
AMP BOARD (2/5)
2524