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Jan. 2010 KC-110
SERVICE NOTES
Issued by RJA
Table of Contents
Cautionary Notes ..............................................................2 Plane View (Fig.A) ..........................................................16
Specifications .....................................................................3 Plane View (Fig.A) Parts List.........................................17
Location of Controls .........................................................4 Parts List ...........................................................................18
Location of Controls Parts List........................................5 Verifying the Version Number......................................20
Exploded View (All) .........................................................6 Test Mode .........................................................................20
Disassembly Procedure ....................................................6 Block Diagram/Wiring Diagram ..................................22
Exploded View (All) Parts List........................................7 Circuit Board (Main Board) ...........................................24
Plane View (1)....................................................................8 Circuit Diagram (Main Board: Power) .........................26
Plane View (1) Parts List ..................................................9 Circuit Diagram (Main Board: Digital) ........................28
Plane View (2)..................................................................10 Circuit Diagram (Main Board: Analog) .......................30
Plane View (2) Parts List ................................................11 Circuit Board (Panel, Jack-A, Jack-B Board)................32
Plane View (3)..................................................................12 Circuit Diagram (Panel Board)......................................34
Plane View (3) Parts List ................................................13 Circuit Diagram (Jack-A Board)....................................36
Exploded View (Fig.A)...................................................14 Circuit Diagram (Jack-B Board).....................................37
Exploded View (Fig.A) Parts List .................................15
Revise Information
July 1, 2010 p. 19 Added a part.
Copyright © 2010 Roland Corporation
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of Roland Corporation.
17058653E0 CC-KWS
Jan. 2010 KC-110
Cautionary Notes
Before beginning the procedure, please read
through this document. The matters described may
differ according to the model.
No User Data
This product cannot save user data. Backing up user data during servicing is
not required.
Parts List
A component whose part code is ******** will not be supplied as a service part
because one of the following reasons applies.
· Because it is supplied as an assembled part (under a different part code).
· Because a number of circuit boards are grouped together and supplied as
a single circuit board (under a different part code).
· Because supply is prohibited due to copyright restrictions.
· Because reissuance is restricted.
· Because the part is made to order (at current market price).
· Because it is carried in electronic data on the Roland web site.
· Because it is a package or an accessory irrelevant to the function
maintenance of the main body.
· Because it can be replaced with an article on the market. (battery or etc.)
Circuit Diagram
In the circuit diagram, "NIU" is an abbreviation for "Not in Use," and
"UnPop" is an abbreviation for "Unpopulated." They both mean non-mounted
components. The circuit board and circuit board diagram show silk-screened
indications, but no components are mounted.
Updating the System
Updating the system is accomplished by replacing the Main Board.
2
Jan. 2010 KC-110
Specifications
KC-110: BATTERY POWERED STEREO KEYBOARD AMPLIFIER
Rated Power Output Power Supply
15 W + 15 W (when using the AC adaptor) AC Adaptor (included, DC 13 V),
10 W + 10 W (when using the Alkaline batteries) Dry battery LR6 (AA) type (alkaline) x 8, or
Rechargeable battery HR6 (AA) type (nickel metal hydride) x 8
Nominal Input Level (@1 kHz)
CH1 (MIC/LINE): -50 -20 dBu
Current Draw
CH2, 3 (LINE): -20 dBu 550 mA
AUX IN: -10 dBu
Expected battery life under continuous
Nominal Output Level (@1 kHz) use:
LINE OUT: -10 dBu Alkaline: about 7 hours
Nickel-metal hydride: about 8 hours
* 0 dBu = 0.775 Vrms * These figures will vary depending on the actual conditions of use.
Speakers Dimensions
16 cm (6.5 inches) x 2 420 (W) x 244 (D) x 320 (H) mm
Tweeter x 2 16-9/16 (W) x 9-5/8 (D) x 12-5/8 (H) inches
Controls Weight (excluding batteries)
7.3 kg / 16 lbs 2 oz
CH1
VOLUME Knob
CH2
Accessories
VOLUME Knob Owner's Manual (#5100010644)
CH3 AC Adaptor (#5100010587)
VOLUME Knob AC Cord (#5100009482, #5100012740, #5100009486, #5100009483, #5100009484,
#5100009485)
AUX IN Options
LEVEL Knob
Foot Switch (BOSS FS-5U)
EFFECT Knob
Speaker Stand (ST-A95)
EQUALIZER
LOW Knob
HIGH Knob
VOLUME Knob
POWER Switch
* Printed matters will not be supplied after the end of the production. Then,
Indicators download the electronic file from the Roland web site.
* In the interest of product improvement, the specifications and/or appearance of
POWER
this unit are subject to change without prior notice.
Connectors
CH1 Input Jacks (XLR type, 1/4" phone type)
CH2 Input Jacks L/MONO, R (1/4" phone type)
CH3 Input Jacks L/MONO, R (1/4" phone type)
AUX IN Jacks (RCA phono type, Stereo miniature phone type)
LINE OUT Jacks L/MONO, R (1/4" phone type)
PHONES Jack (Stereo 1/4" phone type)
FOOT SW Jack (1/4" phone type)
DC IN Jack
3
Jan. 2010 KC-110
Location of Controls
fig.panel.eps
1 3
2 4 5 6
9
7 8 4 10 11 12 13
4
Jan. 2010 KC-110
Location of Controls Parts List
No. Part Code Part Name Description Q'ty
1 04344212 KNOB GOLD(#SD000598) 3
5100007828 ROTARY POTENTIOMENTER RV142BF-20E1-15AW-1B100K 3
* This unit includes the following parts.
******** VR NUT M9 3
******** VR WASHER M9 3
2 04344212 KNOB GOLD(#SD000598) 2
5100007862 ROTARY POTENTIOMENTER RV110F-20E1-15AW-0B10K 2
* This unit includes the following parts.
******** VR NUT M9 2
******** VR WASHER M9 2
3 04344212 KNOB GOLD(#SD000598) 2
5100007827 ROTARY POTENTIOMENTER RV110F-20E1-15AW-0B10K-0C 2
* This unit includes the following parts.
******** VR NUT M9 2
******** VR WASHER M9 2
4 13449252 6.5MM JACK YKB21-5006 (STEREO W/SW) 2
5100004356 JACK NUT 2
5 03349978 LED(RED) L-34HDSL-FPB 1
6 02897801 SEESAW SWITCH SDDJE13200 94V-0 1
5100010579 WIRING 192-AP011-W4 1
7 5100010457 DC PLUG SUPPORTER 1
8 03562412 DC JACK HEC3900-010110 1
5100009659 DC JACK HOLDER 1
5100010540 EVA PACKING FOR DC JACK HOLDER A 1
9 13449146 6.5MM JACK YKB21-5012 (W/SW) 7
5100004356 JACK NUT 7
10 5100007731 ROTARY POTENTIOMETER R1131GOXH1B203TG0027 1
11 05019512 3.5MM JACK 203-HTJ03509ABT 1
12 5100007830 CONNECTOR KM04048A-01 1
13 03459223 XLR CONNECTOR JY-5033A 1
5100011617 EVA PACKING 40X25X1T W/ADH 1
5
Jan. 2010 KC-110
Exploded View (All)
fig.bunkaizu-all.eps
View 4
Refer to Fig.A
w3
Vie
14
Vi
ew
7
12
13 17
10
9
8 13
3
9
1
3
Vi
ew
8
6
11
w2
Vie
7
2
w1
Vie
4 6
5
View 5
5
Disassembly Procedure
When detaching the chassis (Fig. A), follow the procedure below.
1. Detach the Front Grille (No. 4).
2. Detach the speakers and disconnect the speaker wires.
* The speaker wires are short. Be careful not to use undue force.
3. Detach the handle (No. 14).
4. Detach the chassis.
6
Jan. 2010 KC-110
Exploded View (All) Parts List
No. Part Code Part Name Description Q'ty
5100010561 FRONT GRILLE ASSY 1
* This unit includes the following parts.
1 ******** ROLAND BADGE 1
******** ROLAND BADGE CUSHION 1
2 ******** KC STEREO BADGE 1
******** KC STEREO BADGE CUSHION 1
3 ******** SPEED NUT F M3 4
4 ******** FRONT GRILLE 1
******** SCREW 3X10 OVAL MACHINE BZC 4
8 5100010999 SPEAKER W6504-012 A 2
9 5100011000 SPEAKER TC2604-012 A 2
10 5100010870 GRILLE SPACER 6
5100009316 CABINET ASSY 1
* This unit includes the following parts.
5 5100009863 STAND HOLDER 40484-518 (#SD001007) 2
6 5100009860 STAND 08203-016 (#SD001169) 1
7 5100006069 RUBBER FOOT D25XT18 40484-512(#SD001005) 4
11 5100009845 STAND ADAPTOR (TOP HAT) 49A-10179 (#17055020) 1
12 ******** CABINET 1
13 5100005655 CORNER PROTECTOR 08343-513 (#SD000628) 8
14 22310207 HANDLE (H40) 231-207 W/ESCUCHEON (2 HOLES) 1
17 5100010563 BATTERY CASE ASSY 1
Tweeter Unit Mounting Angle
fig.tweeter-e.eps
* Speaker wire is below.
Speaker Unit Mounting Angle
fig.speaker-e.eps
BLACK RED
(5100010584) (5100010583)
BROWN
(5100010586)
Locations of the speaker terminals
Left Right
speaker speaker
ORANGE ORANGE
(5100010444) (5100010585)
Front
Pass the red and black wires
under the strut.
7
Jan. 2010 KC-110
Plane View (1)
fig.bunkaizu-1.eps
View 1
p
a
View 2
b b
b b
8
Jan. 2010 KC-110
Plane View (1) Parts List
View 1
No. Part Code Part Name Description Q'ty
a 40010701 SCREW 4X35 TRUSS TAPPING A FE BZC 6
p 40230789 SCREW 3X10 OVAL MACHINE BZC 4
View 2
No. Part Code Part Name Description Q'ty
b 40019023 SCREW 4X20 BINDING TAPPING A BZC 16
9
Jan. 2010 KC-110
Plane View (2)
fig.bunkaizu-2.eps
View 3
d
e
e
d
d
f
g
View 4
h h
i
10
Jan. 2010 KC-110
Plane View (2) Parts List
View 3
No. Part Code Part Name Description Q'ty
d 40237101 SCREW M3X8 PAN MACHINE W/SW+SMALL PW BZC 8
e 40011312 SCREW 3X8 BINDING TAPTITE P FE BZC 3
f 40010689 SCREW 4X25 TRUSS TAPPING A FE BZC 5
g 5100005098 SCREW 3X16 TRUSS TAPPING A BZC 8
View 4
No. Part Code Part Name Description Q'ty
h 40564578 SCREW 3.5X14 TRUSS TAPTITE A1 BZC 4
i 40564601 SCREW M5X35 OVALHEAD MACHINE BZC 4
11
Jan. 2010 KC-110
Plane View (3)
fig.bunkaizu-3.eps
View 5
j k j
h h
k l
View 6 View 7
h h
12
Jan. 2010 KC-110
Plane View (3) Parts List
View 5
No. Part Code Part Name Description Q'ty
h 40564578 SCREW 3.5X14 TRUSS TAPTITE A1 BZC 4
j 40128012 SCREW M4X16 PAN MACHINE W/SW+PW BZC 4
k 40010678 SCREW 4X20 TRUSS TAPPING A FE BZC 7
l 5100005100 WASHER FLAT 4.2X10X0.5 BZC 4
View 6
No. Part Code Part Name Description Q'ty
h 40564578 SCREW 3.5X14 TRUSS TAPTITE A1 BZC 4
View 7
No. Part Code Part Name Description Q'ty
h 40564578 SCREW 3.5X14 TRUSS TAPTITE A1 BZC 4
13
Jan. 2010 KC-110
Exploded View (Fig.A)
fig.bunkaizu-A-e.eps
24 Wind the Wiring (#5100010579) around the power switch and solder. White spot
Orientation of the wiring
31 Black White
Solder
2 locations (wound)
Solder
2 locations
(wound)
22
23
26
* The end of the wire must not extend below the connector.
23
23
24
21
m 25
3
wA
m Vie
17
n
m
m
2
wA
Vie
n
1
wA
Vie
18
19
Wiring clamp (#5100011216)
20
21 18
28
Affix EVA Packing (#5100010540)
27 Secure the wiring in place using a clamp. 20 onto the DC Jack Holder.
14
Jan. 2010 KC-110
Exploded View (Fig.A) Parts List
No. Part Code Part Name Description Q'ty
17 5100010484 CHASSIS 1
18 5100009371 MAIN PWB BOARD ASSY 1
5100009324 PANEL PWB SHEET ASSY 1
* This unit includes the following parts.
19 ******** JACK-A BOARD 1
20 ******** JACK-B BOARD 1
21 ******** PANEL BOARD includes Nuts and Washers (No.26) 1
26 ******** Nut 7
******** Washer 7
22 04344212 KNOB GOLD(#SD000598) 7
23 5100004356 JACK NUT 9
24 02897801 SEESAW SWITCH SDDJE13200 94V-0 1
25 5100010457 DC PLUG SUPPORTER 1
27 5100005099 LOCKING CABLE TIE 120X2.5X1T DAIHWA 5
28 5100010540 EVA PACKING FOR DC JACK HOLDER A 1
29 5100011617 EVA PACKING 40X25X1T W/ADH 2
30 5100011022 EVA PACKING 110X15X1T W/ADH 1
31 5100010579 WIRING 192-AP011-W4 1
m 5100011021 STANDOFF M3-L6-H20 (311-BG436LF) 7
n 5100010873 BOSS NUT M3-L5.5-H20-A8-B6-N3 DAIHWA 3
Application Sites for EVA Packing Cushions
19 Jack-A Board
As shown in the figure, affix the EVA Packing (#5100011617) and secure it in place using clamps.
fig.EVA-JackA-1-e.eps
40 mm (long side)
(short side)
25 mm
29
27
27
Tightly attach the EVA Packing (#5100011617) onto the XLR Connector on the Jack-A Board.
fig.EVA-JackA-2-e.eps
29
Flat surface:
Attach tightly.
Step:
Attach tightly. Side: Side:
Attach tightly. Attach tightly.
Flat surface:
Attach tightly.
21 Panel Board
As shown in the figure, affix the EVA Packing (#5100011022) and secure it in place using clamps.
fig.EVA-Panel-1-e.eps fig.EVA-Panel-2.eps
27
* Wind the EVA Packing cushion in a spiral.
30 * Keep the wiring and circuit board from touching each other.
15
Jan. 2010 KC-110
Plane View (Fig.A)
fig.bunkaizu-4.eps
View A1
o m
View A2
m
o n
View A3
o
16
Jan. 2010 KC-110
Plane View (Fig.A) Parts List
View A1
No. Part Code Part Name Description Q'ty
o 40012867 SCREW M3X8 PAN MACHINE W/SW+PW ZC 5
m 5100011021 STANDOFF M3-L6-H20 (311-BG436LF) 5
View A2
No. Part Code Part Name Description Q'ty
o 40012867 SCREW M3X8 PAN MACHINE W/SW+PW ZC 2
m 5100011021 STANDOFF M3-L6-H20 (311-BG436LF) 2
n 5100010873 BOSS NUT M3-L5.5-H20-A8-B6-N3 DAIHWA 3
View A3
No. Part Code Part Name Description Q'ty
o 40012867 SCREW M3X8 PAN MACHINE W/SW+PW ZC 2
17
Jan. 2010 KC-110
Parts List
fig.-part1-e.eps
Safety Precautions: Due to one or more of the following reasons,
The parts marked have parts with parts code ******** cannot be supplied as service parts.
safety-related characteristics. Use
only listed parts for replacement. · Part supplied only as a component in a complete assembly
· Copyright does not permit the part to be supplied
· Part is sold commercially
Note: The parts marked # are new. (initial parts) The description "Q'ty" means a necessary number of the parts per one product.
CASING
# 5100009316 CABINET ASSY 1
5100009860 STAND 08203-016 (#SD001169) 1
# 5100010561 FRONT GRILLE ASSY 1
# 5100010563 BATTERY CASE ASSY 1
CHASSIS
# 5100010484 CHASSIS 1
KNOB, BUTTON
04344212 KNOB GOLD(#SD000598) 7
SWITCH
02897801 SEESAW SWITCH SDDJE13200 94V-0 1
JACK, EXT TERMINAL
03459223 XLR CONNECTOR JY-5033A 1
# 03562412 DC JACK HEC3900-010110 1
05019512 3.5MM JACK 203-HTJ03509ABT 1
13449146 6.5MM JACK YKB21-5012 (W/SW) 7
13449252 6.5MM JACK YKB21-5006 (STEREO W/SW) 2
5100007830 CONNECTOR KM04048A-01 1
SPEAKER, BUZZER
# 5100010999 SPEAKER W6504-012 A 2
# 5100011000 SPEAKER TC2604-012 A 2
PWB ASSY
# 5100009371 MAIN PWB BOARD ASSY 1
# 5100009324 PANEL PWB SHEET ASSY 1
* This unit includes the following parts.
# ******** PANEL BOARD 1
# ******** JACK-A BOARD 1
# ******** JACK-B BOARD 1
DIODE
03349978 LED(RED) L-34HDSL-FPB 1
POTENTIOMETER
5100007731 ROTARY POTENTIOMETER R1131GOXH1B203TG0027 1
# 5100007827 ROTARY POTENTIOMETER RV110F-20E1-15AW-0B10K-0C 2
# 5100007828 ROTARY POTENTIOMETER RV142BF-20E1-15AW-1B100K 3
# 5100007862 ROTARY POTENTIOMETER RV110F-20E1-15AW-0B10K 2
FUSE, FUSE HOLDER
# 5100011069 FUSE MET 0.250 1
# 5100011086 FUSE MET 002 1
# 5100011065 FUSE MET 3.150 1
WIRING, CABLE
# 5100010579 WIRING 192-AP011-W4 1
# 5100010583 WIRING 196-AP011-W8 1
# 5100010584 WIRING 196-AP011-W9 1
# 5100010585 WIRING 196-AP011-W10 1
# 5100010586 WIRING 196-AP011-W11 1
# 5100010642 WIRING 192-AP012-W18 1
# 5100010444 WIRING 196-AP009-W22 4
# 5100011216 WIRING 196-AP012-W19 1
18
Jan. 2010 KC-110
SCREWS
40012867 SCREW M3X8 PAN MACHINE W/SW+PW ZC 9
40237101 SCREW M3X8 PAN MACHINE W/SW+SMALL PW BZC 8
40128012 SCREW M4X16 PAN MACHINE W/SW+PW BZC 4
40564601 SCREW M5X35 OVALHEAD MACHINE BZC 4
5100005098 SCREW 3X16 TRUSS TAPPING A BZC 8
40230789 SCREW 3X10 OVAL MACHINE BZC 4
40011312 SCREW 3X8 BINDING TAPTITE P FE BZC 3
40564578 SCREW 3.5X14 TRUSS TAPTITE A1 BZC 16
# 40019023 SCREW 4X20 BINDING TAPPING A BZC 16
40010678 SCREW 4X20 TRUSS TAPPING A FE BZC 7
40010689 SCREW 4X25 TRUSS TAPPING A FE BZC 5
40010701 SCREW 4X35 TRUSS TAPPING A FE BZC 6
# 5100004356 JACK NUT 9
5100005100 WASHER FLAT 4.2X10X0.5 BZC 4
# 5100010873 BOSS NUT M3-L5.5-H20-A8-B6-N3 DAIHWA 3
# 5100011021 STANDOFF M3-L6-H20 (311-BG436LF) 7
MISCELLANEOUT
04892501 TERMINAL JH-8M3-T 1
22310207 HANDLE (H40) 231-207 W/ESCUCHEON (2 HOLES) 1
5100005099 LOCKING CABLE TIE 120X2.5X1T DAIHWA 5
5100005655 CORNER PROTECTOR 08343-513 (#SD000628) 8
5100006069 RUBBER FOOT D25XT18 40484-512(#SD001005) 4
# 5100009659 DC JACK HOLDER 1
5100009845 STAND ADAPTOR (TOP HAT) 49A-10179 (#17055020) 1
5100009863 STAND HOLDER 40484-518 (#SD001007) 2
# 5100010457 DC PLUG SUPPORTER 1
# 5100010870 GRILLE SPACER 6
# 5100010540 EVA PACKING FOR DC JACK HOLDER A 1
# 5100011617 EVA PACKING 40X25X1T W/ADH 2
# 5100011022 EVA PACKING 110X15X1T W/ADH FOR WIRNG 1
ACCESSORIES (Standard)
# 5100010587 AC ADAPTOR PSB-12U 1
5100009481 AC CORD 181-AP009-J 100V 1.0M 1
# 5100010491 AC CORD 181-AP009-T 115VTW 1.0M 1
5100009482 AC CORD 181-AP009-UC 117V 1.0M 1
5100012740 AC CORD 181-AP009-BL 117VBL 1.0M 1
5100009486 AC CORD 181-AP009-CN 220VCN 1.0M 1
# 5100012016 AC CORD 181-AP009-K 220VK 1.0M 1
5100009483 AC CORD 181-AP009-G 230V EU 1.0M 1
5100009484 AC CORD 181-AP009-B 230VE 1
5100009485 AC CORD 181-AP009-A 240VA 1.0M 1
# 5100010643 OWNER'S MANUAL JAPANESE 1
# 5100010644 OWNER'S MANUAL MULTILANGUAGE 1
19
Jan. 2010 KC-110
Verifying the Version Test Mode
Number
Items Required
Items Required · Foot switch (BOSS FS-5U) x 1
· 1/4-inch monaural phone cable x 1
· Foot switch (BOSS FS-5U) x 1
· Level meter (used only during signal-level testing)
· 1/4-inch monaural phone cable x 1
· Signal generator (only when inspecting the signal level)
· AC adaptor (PSB-12U)
· AC adaptor (PSB-12U)
· Alkaline battery (or nickel hydrogen [NIH] battery) x 8
· Alkaline battery (or nickel hydrogen [NIH] battery) x 8
* Set the POLARITY switch and the MODE switch on the foot switch as shown · Dummy load resistor tool (only during signal-level testing)
below. This causes the circuit to be open while the foot switch is depressed. Resistor (4, 100 W or more)
fig.FS-5U.eps
1/4-inch stereo phone plug with 100 (1/2 W or more) load resistor
connected between L, R, and GND
1/4-inch phone plug with 47 k load resistor connected between HOT
and GND
FS-5U * Set the POLARITY switch and the MODE switch on the foot switch as shown
below. This causes the circuit to be open while the foot switch is depressed.
fig.FS-5U.eps
If the FS-6 is being used as instead, make the settings shown below.
fig.FS-6.eps
FS-5U
If the FS-6 is being used as instead, make the settings shown below.
FS-6 fig.FS-6.eps
Procedure
1. Connect the foot switch to the FOOT SW EFFECT jack.
2. Make the following settings on the main unit.
FS-6
· POWER switch: OFF
· All controls: Minimum
3. While depressing the foot switch, switch on the power.
Immediately after powerup, the POWER LED lights up.
Entering the Test Mode
* Continue to hold down the foot switch. Go to Verifying the Version Number (p. 20) and carry out steps 1 through 4.
After verifying the version number, depress the foot switch connected to the
4. The LED lights up, then flashes once. Within 3 seconds of this, depress
FOOT SW EFFECT jack to enable the first test item, 1. DSP Test.
the foot switch twice.
The LED flashes rapidly several times, then flashes to indicate the
software version.
The POWER LED lights up in an intermittent pattern that indicates the
Quitting the Test Mode
software version as shown below. Switch off the power.
Version POWER LED illumination pattern
1.00 One long and no short Skipping
1.01 One long and one short
Test items cannot be skipped.
1.02 One long and two short
1.03 One long and three short
: :
2.00 Two long and no short
5. Switch off the power to the unit.
20
Jan. 2010 KC-110
1. DSP Test 4. Signal-level Test (for Reference)
When the testing starts, the POWER LED goes dark. After 3. Volume Test (1) has been completed, connect the foot switch to the
FOOT SW EFFECT jack, then depress the foot switch to enter the Signal-level
Test mode.
If the Test Is Passed (OK)
The POWER LED lights up, and execution automatically advances to the next
1. When verifying speaker output, connect a 4 load resistor to the speaker
test.
lines. When verifying headphones output, connect a 1/4-inch stereo
phone plug with 100 load resistors (x 2) to the PHONES jack.
If the Test Is Failed (Not OK) 2. Connect a 1/4-inch phone plug with a 47 k load resistor to the LINE
OUT jack.
The POWER LED flashes rapidly. Execution does not advance to the next test.
3. Connect an oscillator to the INPUT or AUX IN jack and input the signal
described below.
2. Switch Test CH1 INPUT MIC (balanced): -56 dBu, 1 kHz, sine wave
(LINE unbalanced): -48 dBu, 1 kHz, sine wave
Carry out operations in the sequence shown below, and check the status of the
CH2 L/MONO and R: -25 dBu, 1 kHz, sine wave
corresponding LED.
CH3 L/MONO and R: -25 dBu, 1 kHz, sine wave
AUX IN L and R: -25 dBu, 1 kHz, sine wave
POWER
No. Operation * 0 dBu = 0.775 Vrms
LED
(Initial state) o 4. Set the panel controls as shown below.
1 Disconnect the foot-switch plug from EFFECT. - CH1, CH2, and CH3 VOLUME: Maximum
2 Insert the foot-switch plug into EFFECT. o
AUX IN LEVEL: Maximum
3 Insert the 1/4-inch stereo phone plug into PHONES. -
4 Disconnect the 1/4-inch stereo phone plug from PHONES. * Other controls: Minimum
o: illuminated, -: dark, *: flashing 5. Verify the values at the measurement points shown in the Circuit
Diagram (Main Board: Analog) (p. 30).
When the operations up through No. 4 have been completed, the POWER LED The allowed range for measured values is ±1.5 dBu.
flashes.
Depress the foot switch to go on to the next test.
5. Volume Test (2)
1. Reset the power and start the unit in the normal usage state.
3. Volume Test (1)
2. Input a signal to CH2, turn the CH2 LINE control, and verify that the
When the volume test starts, the POWER LED lights up. volume level changes normally and that no noise occurs.
Working in the sequence shown below, change the settings of the controls
3. Carry out verification in the same way for CH3 as well.
from minimum to intermediate and to maximum and vice versa, and verify
that the LEDs light up and the speaker plays sound.
1. CH1 MIC/LINE
2. EFFECT
3. LOW
4. HIGH
5. VOLUME
* When the intermediate value is detected, the POWER LED lights up.
The volume level of the speaker sound increases as the control is operated
toward the maximum position, and from the intermediate position on, the
pitch rises.
When all volume testing has been completed, the POWER LED flashes.
This concludes the testing.
21
Jan. 2010 KC-110
Block Diagram/Wiring Diagram
fig.block.eps@L
A B
N
M
I
H
J
K L
22
Jan. 2010 KC-110
fig.block.eps@R
H
G G
C
D
E
F
G G
No. Part Code Part Name Description Q'ty
A ******** WIRING 196-AP012-W14 11P W/SHIELD 1
B ******** WIRING 192-AP012-W12 5P 1
C 5100010583 WIRING 196-AP011-W8 1P RED 1
D 5100010584 WIRING 196-AP011-W9 1P BLACK 1
E 5100010585 WIRING 196-AP011-W10 1P ORANGE 1
F 5100010586 WIRING 196-AP011-W11 1P BROWN 1
G 5100010444 WIRING 196-AP009-W22 1P ORANGE 4
H ******** WIRING 192-AP011-W11B 4P 2
I ******** WIRING 192-AP011-W1 6P 1
J ******** WIRING 192-AP012-W17 3P 1
K 5100010642 WIRING 192-AP012-W18 2P 1
L 5100010579 WIRING 192-AP011-W4 2P 1
M ******** WIRING 192-AP012-W13 9P 1
N 5100011216 WIRING 196-AP012-W19 1P 1
23
Jan. 2010 KC-110
Circuit Board (Main Board)
fig.b-main-1.eps
24
Jan. 2010 KC-110
fig.b-main-2.eps
25
Jan. 2010 KC-110
Circuit Diagram (Main Board: Power)
fig.d-main-power.eps@L
26
Jan. 2010 KC-110
fig.d-main-power.eps@R
27
Jan. 2010 KC-110
Circuit Diagram (Main Board: Digital)
fig.d-main-digital.eps@L
28
Jan. 2010 KC-110
fig.d-main-digital.eps@R
29
Jan. 2010 KC-110
Circuit Diagram (Main Board: Analog)
fig.d-main-analog.eps@L
0.46Vrms
0.44Vrms
0.11Vrms
0.62Vrms
0.44Vrms
0.46Vrms
0.11Vrms
0.62Vrms
(0.014Vrms)
(0.014Vrms)
(0.92Vrms) 0.11Vrms
(0.92Vrms)
0.11Vrms
30
Jan. 2010 KC-110
fig.d-main-analog.eps@R
2.18Vrms
2.18Vrms
s
(2.45Vrms)
(2.45Vrms)
31
Jan. 2010 KC-110
Circuit Board (Panel, Jack-A, Jack-B Board)
fig.b-panel.eps
32
Jan. 2010 KC-110
33
Jan. 2010 KC-110
Circuit Diagram (Panel Board)
fig.d-panel.eps@L
0.0062Vrms
0.0062Vrms
0.25Vrms
0.25Vrms
0.25Vrms
0.25Vrms
34
Jan. 2010 KC-110
fig.d-panel.eps@R
0.25Vrms
0.25Vrms
0.25Vrms
35
Jan. 2010 KC-110
Circuit Diagram (Jack-A Board)
fig.d-jackA.eps
(0.0012Vrms)
(0.0031Vrms)
(0.044Vrms)
(0.044Vrms)
(0.044Vrms)
(0.044Vrms)
36
Jan. 2010 KC-110
Circuit Diagram (Jack-B Board)
fig.d-jackB.eps
37