Roland KC-350 Manual

41
Aug.2005 KC-550 KC-350
40
KC-350 CIRCUIT DIAGRAM (4/4) fig.kc350sch4
POWER SW JW-M11RKK
AC IN HOT
AC IN COMMON
PT1870502 TER2 TER1 PT1870502
PS1 Board (PS1 Sect.)
240V 230V
117V
100V
W13
100V/117V T4AL 250V 230V/240V T2AL 250V
FUSE1
WOOFER 8 ohm +30.5dBu / 26.0V
+10.5dBu / 2.6V
TWEETER 8 ohm
from PS1 BOARD
CN4
W5
AMP Board
+45.1V
-45.1V
+54.2V
-54.2V
|
|
+21.0V
|
+24.6V
-24.6V
|
-21.0V
(No signal)
(No signal)
(Rated Power)
(Rated Power)
(No signal)
(No signal)
(Rated Power)
(Rated Power)
+VCC2
-VCC2
TRANSFORMER
to PRE BOARD CN13 W7
AC IN N.C.
T500mAL 250V FUSE2, 3
PS Board
MUTE_FET
MUTE_TR
-VCC1 +VCC1
AA
A
A
A
AA
+VCC1
-VCC1
+VCC
+
15
A
-15
-VCC
- +
+VCC -VCC
-15 +
15
A
AA
+
15
+
15
-15
A
A
-15 -15
-15
TER2 PT1870502
TER1 PT1870502 FUSE1
C7
AC17F472MLO
W10
WP12
CN19
B2P3-VH
1 3
W10
WP13
WP5 W8
1 2 3
WP8 W8
1 2 3
Q16 2SA1837
Q8
2SA1837
Q9 2SC4793
Q15 2SC4793
R42
6.8k
R39
5.6k
R40 3.3k
R60 2.7K
C20
C-100p
C22 F-0.01 C17 NIU C28 NIU
C31 NIU
C24 F-1.0
C16
NIU
C26 F-0.068
R52
MOF1/4W 3R3
R29
MOF1/4W 3R3
R21
MOF1/4W 47
R59
MOF1/4W 47
R33
MOF1/4W 220
R45 MOF1/4W 220
R28 CB1/2W 27k R51 CB1/2W 27k
R34
CEMENT5W 0R33
C32
F-0.056P
R41
MOF1/2W 27
C25 F-0.01
R46
CEMENT5W 0R33
C29
NIU
Q5
2SA1015GR
Q6 2SC1815GR
FUSE4
MRT100mA
FUSE5 MRT100mA
R49
MOF1/4W 3R3
R30
MOF1/4W 3R3
Q10
2SC2240GR
Q11 2SC2240GR
R22
100
C15
E-470/100
C21 C-22p
R61 12k
R26
33k
R23
2.2k
R57
4.7k
R50
15k
R25
47k
R44
560
R37 560
R27
33k
R48
27k
R24
2.2k
C23 C-22p
R38 560
R43
560
VR10
NIU
Q14 2SA970GR
Q13
2SA970GR
R58
100
R55
2.2k
R56
2.2k
R53
33k
R54
33k
R47
CEMENT5W 0R1
R63 1k
R62 47k
C33
E-47/50
C18
1.5/250VDCJ(MFF)
R31 CEMENT7W 12
C27 F-0.068
C30 E-470/100
C235 NIU
WP7
W11
1 2 3 4
Q7
2SC5242-O
Q17
2SA1962-O
WP15 WP16 WP17 WP18 WP19 WP20
R296 100
C237 C-220p
D59 1N4004G D60 1N4004G
CN9 B4B-PH-K
1 2 3 4
WP26
W6
1 2 3
Q12 2SC2878A
R35 6.8k R32 470 C234 C-220p
C19
E-10/50BP
R36 12k
R362 JW
R361 NIU R363 NIU
C303
E-47/100
C304
E-47/100
C11 E-470/35 C5 E-470/35
TER3 PT1870502
C4 E-2200/35
R7
CB1/2W 22k
Q1 2SD2531
+-
~ ~
BD2 W04G C10
E-2200/35
R9
CB1/2W 2.2k
R5 22k
R2
CB1/2W 10k
R1 47k
C1 E-3300/100
C3
E-3300/100
C8
EC8472MH
FUSE2 FUSE3
C2
0.22/250VDCJ(MFF)
+-
~ ~
BD1 PBPC806
R6
CB1/2W 220k
R8
CB1/2W 2.2k
CN16 B5P-VH
1 2 3 4 5
R4
CB1/2W 2.2k
TER5 PT1870502 TER4 PT1870502
W9
WP14
Q2 2SB1642
C6
E-220/35
D2
RD16EB2
D1
RD16EB2
C9
E-220/35
CN18 B2P3-VH
1 3
CN12 B9B-PH-K
1 2 3 4 5 6 7 8 9
WP25
1 2 3
R10 3.3k
D3 1SS133
C12 E-1/50
R12 100k
R17 47k
R19 47k
D4 1SS133
R11 3.3k
R14 47
R16 CB1/2W 1.2k
C13 E-22/35
R13 47k
Q4 2SC1815GR
R15 47k
Q3 2SA1015GR
R360 47k
Q40
2SA1015GR
R359 47k
R358 47k Q41
2SA1015GR

Roland KC-350 Specifications

General

Power Output	120W
Channels	4
Speakers	12-inch Woofer
Outputs	Line Out
Equalizer	3-band
Effects	Reverb
Dimensions	480 x 295 x 430 mm / 18-15/16 x 11-5/8 x 16-15/16 inches
Weight	48.5 lbs (22 kg)