Circuit Diagram(Amp) - Roland CUBE-100 BASS Service Notes

Oct.2004(Jul.2006)

CIRCUIT DIAGRAM(AMP)

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