Roland KC-350, Manual

Page: 24 / 31

29
Aug.2005
KC-550 KC-350
28
KC-550 CIRCUIT DIAGRAM (2/4)
fig.kc550sch2
MID
D
L
E
LOW
HIGH
VOL
U
M
E
-4.5dBu / 462mV
TONE
CONTROL
SHAPE
SHAPE
ON
SHAPE
OFF
MI
D
D
L
E
LOW
SHAPE
OFF
SHAPE
ON
HIGH
+10.0dBu
PRE
B
O
A
R
D
to
A
M
P
BOARD
CN
9
W5
HIGH
_
1
LO
W
M
ID
D
L
E
H
IG
H
_2
PS1
BOARD
(
E
Q
S
e
c
t.
)
from PS BOARD CN12
W7
M
A
IN
R
M
U
T
E
F
E
T
MUTE
TR
SUB_OUT
M
U
T
E
F
E
T
MUTE
TR
MUTE
TR
M
U
T
E
F
E
T
MUTE
TR
M
U
T
E
F
E
T
MUTE
TR
A
A
A
A
A
A
-1
5
+
15
+
15
-1
5
A
A
A
A
A
A
-1
5
+
15
+
15
-1
5
A
A
A
+
15
-1
5
A
A
A
+
15
A
A
A
-1
5
+
15
+
15
+
15
-1
5
-1
5
-1
5
A
A
A
A
A
A
A
A
A
A
A
+
15
-1
5
A
+
15
-1
5
A
-1
5
+
15
A
+
15
+
15
-1
5
-1
5
A
+
15
A
-1
5
+
15
A
A
-1
5
+
15
R209
6.8k
C145
C-220p
R308 3.9k
C250 F-0.12 C246 F-0.47
C247 F-0.082 C251 F-0.0082
C254 F-0.022
R316 820
R312 220
R320 39k
R324 3.9k
R319 68k
R323 3.9k
VR7A
RK11K112
20kBcc
VR8A RK11K112
20kBcc
C245 C-1000p
C148 E-10/16
VR9A
RK11K112
10kB
C143 C-47p
R343 47k
C149 E-10/16
R307 1.8k
VR6A RK11K112
20kBcc
R344 8.2k
R315 820
R20 47k
Q33
2SC2240GR
Q34
2SC2240GR
+ -
IC11A M5218AL
2 3
1
+ -
IC10A M5218AL
2 3
1
+ -
IC10B M5218AL
6 5
7
C244 C-470p
R317 6.8k
R226 47k
R230 47k
R305 3.3k
R304 15k
R311 18k
R310 4.7k
C151 E-10/16
R306 12k
C249 F-0.047 C253 F-0.0082
+ -
IC11B M5218AL
6 5
7
R224 47k
R309 18k
C150 E-10/16
R303 820
PSW1B
SPUP128100
R221 47k
C255 F-0.0033
PSW1A
SPUP128100
R318 2.2k
R314 220
R223 47k
R322 68k
R313 10k
Q36
2SC2240GR
R326 3.9k
C252 F-0.12
R321 33k
C248 F-0.47
R325 3.9k
Q35
2SC2240GR
LED1 L-934MB
D
R364 3.9k
C306 C-0.1
C307 C-0.1
R256 47k
R328 8.2k R332 15k
C269 F-0.0056
C265 F-0.47 C267 F-0.12
R338 2.2k
R337 6.8k
R331 56k
Q38
2SC2240GR
C264 C-100p
R341 3.9k
R339 33k
C266 F-0.1
Q37
2SC2240GR
R336 220
R342 3.9k
R340 68k
C268 F-0.015
R329 18k R333 2.7k
R330 1.2k R334 18k
R335 15k
C271 NIU
C270 NIU
R327 JW
C293 C-0.1
C294 F-0.022 R351 220
R347 15k R349 2.7k
R355 22k R352 4.7k
R353 4.7k
C295 C-47p
CN4 B4B-PH-K
1 2 3 4
+ -
IC12C M5218AL
8 4
C216 C-0.1 C222 C-0.1
R263 1M
D48 1SS133
R258
47k
Q29
2SK30ATM-
G
R
C296 E-10/16
+ -
IC12B M5218AL
6 5
7
+ -
IC12A M5218AL
2 3
1
WP23
W12
1 2 3 4 5 6 7 8 9
10
R195 220 R345 6.8k
Q28
2SC2878A
C297 NIU
C299 NIU C298 NIU
C166 E-10/16
C308 E-220/35 C309 E-220/35
CN17
B10B-PH-K
1 2 3 4 5 6 7 8 9 10
C257 C-0.1
C256 C-0.1
C300 NIU
C305 C-0.1
C310 C-0.1
R3 2.2k
CN13
B9B-PH-K
1 2 3 4 5 6 7 8 9
+ -
IC10C M5218AL
8 4
+ -
IC11C M5218AL
8 4
C215 C-0.1
C220 C-0.1 C214 C-0.1
C221 C-0.1
+10.0dBu / 2.45V
+10.0dBu / 2.45V
+10.0dBu / 2.45V
+11.0dBu / 2.75V
+1.5dBu / 920mV