Roland KC-100 Operating and maintenance manual

Dec, 1997
KC-100
17059908
Issued by RJA
Copyright c1997 by ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission of
ROLAND CORPORATION.
SPECIFICATIONS
TABLE OF CONTENTS Page
SPECIFICATIONS•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 1
PANEL LAYOUT •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 2
CABINET EXPLODED VIEW••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3
CHASSIS EXPLODED VIEW •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 4
PARTS LIST •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5, 6
CIRCUIT BOARD••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 7
CIRCUIT DIAGRAM•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 8
KC-100
Rated Power Output
Speaker : 60W/8Ω
Nominal Input Level (@1kHz)
Channel 1 XLR Type :-50dBm thru -20dBm
Channel 1 Phone Type :-50dBm thru -20dBm
Channel 2,3,4 :-20dBm
Nominal Output Level (@1kHz)
LINE OUT : +4dBm
0dBm=0.775Vrms
Speaker : 30cm(12") x1 + Tweeter x1
Controls : Channel 1 MIC/LINE Volume
Channel 2 LINE Volume
Channel 3 LINE Volume
Channel 4 MONITOR Volume
LOW
TREBLE
Master VOLUME
POWER Switch
Power Indicator
Connectors : Channel 1 Input Jack (XLR Type Balanced)
Channel 1 Input Jack
Channel 2 Input Jack
Channel 3 Input Jack
Channel 4 Input Jack
LINE OUT Jack
PHONES Jack
Power Consumption : 40W (AC100V)
60W (AC117V/230V/240V)
Dimensions : 478(W)x273(D)x430(H)mm
18-7/8(W)x10-3/4(D)x16-15/16(H)inches
Weight : 14.5kg
32lbs
Accessories : Owner's Manual (English) (17055092)
Owner's Manual (Japanese) (17055093)
Options : Speaker Stand SS-115A
Speaker Cap SS-CAP (H1017017)
*When using an SS-115A speaker stand, be sure to use a
SS-CAP speaker cap in conjunction with it.
Printed in Japan (CR) AD00 1
KC-100
4ch mixing
keyboard amplifier

2
LOCATION OF CONTROLS
Dec, 1997
KC-100
All knobs are
KNOB (7098605000)
POTENTIOMETER
RK11K112 100KB
(01120112)
POTENTIOMETER
RK11K112 20KB CC
(01120134)
POTENTIOMETER
RK11K112 10KB
(01120145)
LED L-53HD (15029139)
BUTTON (22497565)
SWITCH
SDDLB1-B-D-2 TV-5
(13129160)
JACK
YKB21-5006
(13449252)
CONTROL PANEL
JACK
YKB21-5012
(13449146)
JACK
YKB21-5074
(13449275)
CANNON JACK
NC3FAH-1 (00679778)
JACK

Dec, 1997
KC-100
3
CABINET EXPLODED VIEW
[PARTS]
No. Part Cord Part Name
q17055098 CABINET ASSY
NOTE: Replacement Cabinet Assy includes the following parts.
w22310207 HANDLE H-40 WITH ESCUTCHEON
e17055035 CORNER PROTECTOR
r17055038 RUBBER FOOT
t17055020 STAND ADAPTOR
y17055080 2 inch PORT TUBE
u17055099 PUNCHING METAL
iK2238110 ROLAND LOGO BADGE
o17055100 12 inchs SPEAKER K1208F16
!0 17055101 TWEETER KHNPZG17
[SCREW]
A40010601 ORIGINAL TRUSS MACHINE SCREW M5x35 BZC
B17055068 #8-32x1 inchs TRUSS HEAD BZC
C40010689 #8x1 inchs TAPPING TRUSS
D17055069 #6x1/2 inchs TRUSS HEAD SHEET METAL BZC
E40230789 OVAL HEAD MACHINE M3x10 BZC
40011689 SPEED NUT F-TYPE M3
F40238267 OHP MACHINE BZC M5x40

4
KC-100
Dec, 1997
[PARTS]
No. PART No. PART NAME
qG281711901 CHASSIS
wG246770101 HEATSINK
eG2457140 POWER TRANSFORMER 100V/117V
G2457139 POWER TRANSFORMER 230V/240V
rG3497123 AC CORD VCTF 100V
G349712401 AC CORD SJT 117V
G3497125 AC CORD SY010 BLK 230V
G3497127 AC CORD 57226604 230VE
G3497126 AC CORD FC-305 230VA
t22497565 BUTTON POWER SW
y7098605000 AC KNOB
u12369410RT LINE CORD STRAIN RELIEF 1702B
iF2257201 FUSE BARRIER(117V ONLY)
o01341534 MAIN BOARD ASSY 230/240V
!0 01341534 MAIN BOARD ASSY 230/240V
!1 01341534 MAIN BOARD ASSY 230/240V
!2 01341534 MAIN BOARD ASSY 230/240V
!3 2215075600 JACK NUT #756
!4 G2257113 TO-3P INSULATING SHEET
a40011767 M4 FLANGE NUT ZC
b40011889 M4 EXT.TOOTH WASHER ZC
c******** Pin (B-6)
d40011756 M3 FLANGE NUT ZC
eH5019411 M3x20 BINDING w/INT.TOOTH WASHER BZC
f40010345 M4x10 BINDING BZC
g40010434 M3x10 BINDING MACHINE SCREW W/SW BZC
h40010334 M4x8 BINDING BZC
i40010423 M3x8 BINDING w/INT.TOOTH WASHER BZC
j40011312 M3x8 BINDING TAPTIGHT P BZC
kH5019404 M3x6 BINDING w/SPRING WASHER BZC(117V ONLY)
l******** V.R.Accessory Washer M8
m******** V.R.Accessory Nut M8
nG2157502 STANDOFF M3x20
CHASSIS EXPLODED VIEW

PARTS LIST
SAFETY PRECAUTIONS:*2
The parts marked have
safety-related characteristics.
Use only listed parts for
replacement.
!
CONSIDERATIONS ON PARTS ORDERING
When ordering any parts listed in the parts list, please specify the following items in the order sheet.
QTY PART NUMBER DESCRIPTION MODEL NUMBER
Ex. 10 22575241 Sharp Key C-20/50
15 2247017300 Knob (orange) DAC-15D
Failure to completely fill the above items with correct number and description will result in delayed or
even undelivered replacement.
FUSE, FUSE HOLDER
12559441 FUSE SB2 2A/125V 100V/117V
F2559103 FUSE 5ST1A 1A/250V 230V/240V
12199550RT FUSE HOLDER
F2029601 FUSE COVER FH-1
POWER TRANSFORMER
# G2457140 POWER TRANSFORMER 100V/117V
# G2457139 POWER TRANSFORMER 230V/240V
AC CORD
G3497123 AC CORD VCTF 100V
G349712401 AC CORD SJT 117V
G3497125 AC CORD SY010 BLK 230V
G3497127 AC CORD 57226604 230VE
G3497126 AC CORD FC-305 240VA
IC
15189250 M5218AL IC2-6,IC8
15219157 M5241L IC7
F5189103 NJM2068L IC1
TRANSISOR
15119423 2SA965Y Q9
15119158 2SA970GR Q4,Q5
15119132 2SA1015GR Q7
# 01341378 2SA1940-O Q12
15119820 2SB1017Y Q1
15129151 2SC1815GR Q3,Q8,Q13
15129426 2SC2235Y Q10
15129437 2SC2705Y Q6
# 01341389 2SC5197-Y Q14
15129835 2SD1408Y Q2
15139301 2SK30AY Q11
DIODE
F5019203 FL402 BRIDGE D1
15019654 RD16EB2 ZENER D2,D3
F5019203 1N4004 D5,D7
15019126 1SS133 D4,D6,D8-11,D14-17
15029139 L-53HD LED D13
POTENTIOMETER
01120145 RK11K112 10KB VR7
01120134 RK11K112 20KB CC VR5,VR6
01120112 RK11K112 100KB VR1-4
CAPACITOR
F3659241 ELECTOLYTIC 3300uF/63V C6,C7
F3639553 ELECTOLYTIC 470uF/16V C2,C4
F3519501 CERAMIC PY17FY472MLO C93
F3519502 CERAMIC EC8472MH C1
RESISTOR
F3839181 CEMENT 0.33Ω5W R41,R43
F2559804 NON FLAME 180Ω3W R1,R4
F3819901 OXIDE METAL 3.3Ω1/2W R34,R36
F3819902 OXIDE METAL 150Ω1/2W R33
F3819903 OXIDE METAL 1.3kΩ1/2W R23
13829902 CARBON 6.8Ω1/2W R55
13749101 CARBON 4.7kΩ1/2W R2,R3
WIRING
# G3417146 WIRING W1 2P L160 (CN2 <-> CN3)
# G3417147 WIRING W2 8P L100 (CN1 <-> CN4)
# H4019335 WIRING W3 L90 BRW (Q12)
# H4019336 WIRING W4 L90 RED (Q12)
# H4019337 WIRING W5 L90 ORG (Q12)
# H4019338 WIRING W6 L170 BRW (Q14)
# H4019339 WIRING W7 L170 RED (Q14)
# H4019340 WIRING W8 L170 ORG (Q14)
# G3489199 WIRING W9 L500 RED +205 (12 inches SPEAKER)
# G3489200 WIRING W10 L500 BLK +205 (12 inches SPEAKER)
# G3489201 WIRING W11 L500 ORG +205 (TWEETER)
5
NOTE:*1 The parts marked # are new (initial parts)
CABINET
# 17055098 CABINET ASSY
NOTE: Replacement Cabinet Assy includes the following parts.
22310207 HANDLE H-40 WITH ESCUTCHEON
17055035 CORNER PROTECTOR
17055038 RUBBER FOOT
17055020 STAND ADAPTOR
17055080 2 inch PORT TUBE
# 17055099 PUNCHING METAL
K2238110 ROLAND LOGO BADGE
SPEAKER
# 17055100 12 inchs SPEAKER K1208F16
# 17055101 TWEETER KHNPZG17
CHASSIS
# G281711901 CHASSIS
KNOB, BUTTON
7098605000 AC KNOB
22497565 BUTTON POWER SW
SWITCH
13129160 SDDLB1-B-D-2 TV-5 POWER SW
JACK
00679778 CANNON NC3FAH-1 JK1
13449275 YKB21-5074 JK2
13449146 YKB21-5012 JK3-6
13449252 YKB21-5006 JK7
PCB ASSY
# 01341534 MAIN BOARD ASSY 230/240V
NOTE: Replacement MAIN BOARD ASSY is 230V/240V version only.
When using MAIN BOARD ASSY for 100V/117V version, be sure to replace fuse of specific
voltage 100V/117V(refer to TABLE A). And change mark on PCB as shown in TABLE B.
TABLE A
100V/117V
230V/240V
F1
SB 5x20 2A/125V(12559441)
5ST 5x20 1A/250V(F2559103)
TABLE B
L
H125V 2A T1L 250V 100V/117V ASSY 01341523
230V/240V ASSY 01341534 1 62 73 84 95 10
TABLE B
L
H125V 2A T1L 250V 100V/117V ASSY 01341523
230V/240V ASSY 01341534 1 62 73 84 95 10
!
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Dec, 1997
KC-100

6
# G3489202 WIRING W12 L500 BRW +205 (TWEETER)
# H4019127 WIRING W13 L180 +B6 LAG (GND)
# H4019128 WIRING W14 L130 +187 +B6 LAG (GND,for 230V/240V)
SCREWS
# 40238267 OHP MACHINE BZC M5x40 (fix CHASSIS,HANDLE)
01755069 #6x1/2 inchs TRUSS HEAD SHEET METAL BZC (fix CORNER PROTECTOR,PUNCHING METAL)
17055068 #8-32x1 inchs TRUSS HEAD BZC (fix 12 inchs SPEAKER,TWEETER)
40230789 OVAL HEAD MACHINE M3x10 BZC (fix ROLAND LOGO BADGE)
40011689 SPEED NUT F-TYPE M3 (fix ROLAND LOGO BADGE)
40010689 #8x1 inchs TAPPING TRUSS (fix RUBBER FOOT,STAND ADAPTOR)
40010601 ORIGINAL TRUSS MACHINE M5x35 BZC (fix CHASSIS)
40010901 3x6 TAPPING BINDING BZC (fix NAME PLATE)
40010267 M3x10 BINDING BZC
40010334 M4x8 BINDING BZC
40010345 M4x10 BINDING BZC
40010412 M3x6 BINDING w/INT.TOOTH WASHER BZC
40010423 M3x8 BINDING w/INT.TOOTH WASHER BZC
40011756 M3 FLANGE NUT ZC
40011767 M4 FLANGE NUT ZC
40011889 M4 EXT.TOOTH WASHER ZC
40019123 3x8 TAP TITE BZC
40010434 M3x10 BINDING MACHINE SCREW W/SW BZC
40011312 M3x8 BINDING TAPTIGHT P BZC
G2157502 STAND OFF M3x20
H5019404 M3x6 BINDING w/SPRING WASHER BZC (117V ONLY)
H5019411 M3x20 BINDING w/INT.TOOTH WASHER BZC
PACKING CASE
# 17055102 PACKING CASE
MISCELLANEOUS
# G246770101 HEATSINK
2215075600 JACK NUT #756
12369410RT LINE CORD STRAIN RELIEF 1702B
G2257113 TO-3P INSULATING SHEET
F2257201 FUSE BARRIER (117V ONLY)
G2537608 GND MARK SEAL
G2537710 FUSE CAUTION SEAL
G2537711 BARRIER CAUTION SEAL (117V ONLY)
ACCESSORIES(STANDARD)
# 17055092 OWNER'S MANUAL (ENGLISH)
# 17055093 OWNER'S MANUAL (JAPANESE)
KC-100
Dec, 1997

7
CIRCUIT BOARD
KC-100
Dec, 1997
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A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U

1 2 3 4 5 6 7 8 9 10111213141516171819202122232425262728
A
B
C
D
E
F
G
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N
O
P
Q
R
S
T
U
8
KC-100
Dec, 1997
LINE OUT
JK6
YKB21-5012
C38
10/16
R42
47k
R86
1k
C75
100p
CN2
5045-02A CN3
5045-02A
C12
10/16
C11
10/16
R46
10k
C35
10p
IC4B
M5218AL
R40
10k
R37
18k
VR1
RK11K112 100KB
CH1 VOLUME
-29 dBm
C8
10/16
R7
3.9k
C10
10/16 R10
1.5k
R15
2.2M
IC2A
NJM2068LD
C98
0.1C
C97
220p
R114
100k
R117
22k
R115
100k
C101
10/16
C100
10/16
C95
0.1C
IC1B
NJM2068LD
D16
1SS133
D17
1SS133
D15
1SS133
D14
1SS133
R112
2.2k
R113
2.2k
R110
22k
R111
22k
JK1
NC3FAH1
CH1 INPUT
XLR
1kHz sine wave
-52 dBm
1kHz sine wave
-51 dBm
1kHz sine wave
-25 dBm
1kHz sine wave
-25 dBm
1kHz sine wave
-25 dBm
R109
470
R116
470
C99
100p C96 100p
CH1 INPUT
PHONE
JK2
YKB21-5074 R105
2.2k
C90
100p
R106
2.2k
C91
10/16
C92
10/16
R108
22k
IC1A
NJM2068LD
C94
47p
R107
10k
CN4
5045-08A
C20
10/16
R22
6.8k R21
2.2M
C13
0.1C C14
0.1C
IC2B
NJM2068LD
CN1
5045-08A
VR2
RK11K112 100KB
CH2 VOLUME
C21
10/16
C22
10/16
R49
10k
R39
10k
HIGH
IC4A
M5218AL
VR6
RK11K112 20KB
R120
JMP R121 4.7k
VOLUME
C66
10/16
VR7
RK11K112 10KB
IC5A
M5218AL
C47
10/16 R56
100k
C40
47p
R44
100k
C54
0.0033
R60
10k
R50
27k
C45
0.1
C28
10/16
C29
10/16
R51
10k
C46
10p
IC5B
M5218AL
R48
39k
R38
10k
CH3 VOLUME
CH4 VOLUME IC3B
M5218AL
C27
10/16
R32
6.8k R31
2.2M
C23
0.1C C25 0.1C
R35
6.8k
VR4
RK11K112 100KB
VR3
RK11K112 100KB
C88
100p
C87
100p
C36
10/16
CH2 INPUT
CH3 INPUT
JK3
YKB21-5012
JK4
YKB21-5012 R103
1k
R104
1k
CH4 INPUT
JK5
YKB21-5012 R100
1k
C72
10/16
C82
100p
R74
22k
R75
18k
IC3A
M5218AL
R30
2.2M
C37
10/16
C39
10/16
R45
10k
LOW
R58
1.5k R54
1.5k
R87
100k
R119
JMP
VR5
RK11K112 20KB
R118
3.3k
C44
0.22
R82
2.2k
D13
LN21RPH
T13
T14
C57
NMT
C65
NMT
to TWEETER
C56
NMT
ORG
+VCC
Q10
2SC2235Y
Q14
2SC5197-O
C34
150p
R23
1.3k/.5W
R36
3.3/.5W
R26
1.5k
R28
6.8k
C17
47/50
Q7
2SA1015GR
D7
1N4004
R25
3.3k
R27
4.7k
C30
47/50
PHONES
JK7
YKB21-5006
R83
1M R18
33k
C79
NMT
R98
22/.5W
R97
22/.5W
C84
100p
C83
100p
R90
NMT
C81
0.1C
IC6B
M5218AL
IC7
M5241L
C70
10/16
R77
10k
R78
22k
C61
47p
C58
0.1C
C63
0.1C
C59
10/16
C52
10/16
C71
10/16 R79
47k
C68
10/16 R73
47k
IC6A
M5218AL
R66
100k
C51
10/16
Q13
2SC1815GR
R64
1k C64
10/16
C62
10/16
R68
100k
D10
1SS133
D11
1SS133
C48
NMT
C73
0.068
R76
1M
R61
1k
R59
100k
C77
0.1C R84
1.8k
R85
100k
R96
1M
IC8A
M5218AL
R101
470k
C85
0.1
R123
220k
IC8B
M5218AL
C53
10/16 Q11
2SK30AY
D8
1SS133
R47
1M
R62
47k
R69
1k
C67
0.33
R71
1k
R70
JMP
R65
680
C60
0.33
D9
1SS133
Q4
2SA970GR
R9
1.5k
R52
22k
R53
22k
C43
0.47
Q5
2SA970GR
R12
1.5k
C19
10/50
R29
6.8k
C24
68p
Q6
2SC2705Y
R24
68
R17
10k
C18
0.012
R20
2.7k
R19
47k
C16
100p
R122
47k
C32
0.00047 Q8
2SC1815GR C31
0.068
Q9
2SA965Y
R43
0.33/5W
R41
0.33/5W
Q12
2SA1940-O
C26
150p
R33
150/.5W
R34
3.3/.5W R55
6.8/.5W
C49
0.068
C50
0.068
R57
JMP T11
T12
to 12" SPEAKER
C55
0.068
RED
BLK
BRW
-VCC
JMP Jumper
NMT No Mount
R13
22k Q3
2SC1815GR
C15
22/35
R16
1k
R14
100k
C5
100/16 C4
470/16
+VCC
D1
FL402
R4
180/3W
R3
4.7k/.5W D3
RD16EB2
Q2
2SD1408Y
C6
3300/63
T3
T5
NC T8
T9
C93
PY17FY472ML0
C1
EC8472MH
R99
1M R80
NMT
R67
100
R92
33k
T1
SW1
SDDBL1 TV-5
F1
FUSE
R63
1k R72
100k C74 0.068 R81 1M
100V
T1
117V
T1
230V/230VE
/240VA
T2
T6
T7
T2
T6
T7
T2
T6
T7
T4 T10
-VCC
R1
180/3W Q1
2SB1017Y
R2
4.7k/.5W
D2
RD16EB2
C7
3300/63 C3
100/16
C2
470/16
R6
22k
D5
1N4004
C9
1/50
R5
56k
R11
100k D6
1SS133
D4
1SS133
C102
47/25
R8
47k
2
4
1
1
2 1
2
6
5 7
8
4
2
13
2
3 1
6
5 7
8
4
1
3
2
2
4
3
1
2
3 1
1
2
3
4
5
6
8
7
6
5 7
8
4
1
2
3
4
5
6
8
7
2
13
2
3 1
2
13
2
1
3
2
3 1
6
5 7
8
4
6
5 7
8
4
2
13
2
13
2
4
1
2
4
1
2
4
1 2
3 1
213
3
1
23
1
2
3 1
2
4
2
3
7
8
1
5
6
5 7
8
4
1234567891
0
2
3 1
3
1
2
2
3 1
6
5 7
8
4
1
2
3 3 1
2
3
1
2
3
1
2
3
1
2
3 1
2 3
1
2
3
1
2
4
3
2
1
3
12
3
12
-37 dBm
-2 dBm
-2 dBm
-2 dBm
-1 dBm
+11 dBm
+39.4 V
|
+32.8 V
-32.8 V
|
-39.4 V
+14 dBm
POWER TRANSFORMER
100V/117V G2457140
230V/230VE/240V G2457139
+28 dBm
+10 dBm
+17 dBm
+9 dBm
+1.5 dBm
CIRCUIT DIAGRAM