Roland Corporation GK-KIT-BG Owner's Manual
USING THE UNIT SAFELY
Used for instructions intended to alert
the user to the risk of death or severe
injury should the unit be used
improperly.
Used for instructions intended to alert
the user to the risk of injury or material
damage should the unit be used
improperly.
* Material damage refers to damage or
other adverse effects caused with
respect to the home and all its
furnishings, as well to domestic
animals or pets.
001
• Before using this unit, make sure to read the
instructions below, and the Owner’s
Manual.
..................................................................................................
002a
• Do not open or perform any internal modifications on the unit.
..................................................................................................
003
• Do not attempt to repair the unit, or replace
parts within it (except when this manual
provides specific instructions directing you
to do so). Refer all servicing to your retailer,
the nearest Roland Service Center, or an
authorized Roland distributor.
..................................................................................................
004
• Never use or store the unit in places that are:
• Subject to temperature extremes (e.g.,
direct sunlight in an enclosed vehicle,
near a heating duct, on top of heat-generating equipment); or are
• Damp (e.g., baths, washrooms, on wet
The symbol alerts the user to important instructions
or warnings.The specific meaning of the symbol is
determined by the design contained within the
triangle. In the case of the symbol at left, it is used for
general cautions, warnings, or alerts to danger.
The symbol alerts the user to items that must never
be carried out (are forbidden). The specific thing that
must not be done is indicated by the design contained
within the circle. In the case of the symbol at left, it
means that the unit must never be disassembled.
The ● symbol alerts the user to things that must be
carried out. The specific thing that must be done is
indicated by the design contained within the circle. In
the case of the symbol at left, it means that the powercord plug must be unplugged from the outlet.
012d
• Immediately turn the power off, and request
servicing by your retailer, the nearest Roland
Service Center, or an authorized Roland
distributor, when:
• Objects have fallen into, or liquid has
been spilled onto the unit; or
• The unit has been exposed to rain (or
otherwise has become wet); or
• The unit does not appear to operate
normally or exhibits a marked change in
performance.
..................................................................................................
013
• In households with small children, an adult
should provide supervision until the child is
capable of following all the rules essential
for the safe operation of the unit.
..................................................................................................
014
• Protect the unit from strong impact.
(Do not drop it!)
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floors); or are
• Humid; or are
• Exposed to rain; or are
• Dusty; or are
• Subject to high levels of vibration.
..................................................................................................
011
• Do not allow any objects (e.g., flammable
material, coins, pins); or liquids of any kind
118
• Should you remove screws or springs, make
sure to put them in a safe place out of
children's reach, so there is no chance of
them being swallowed accidentally.
..................................................................................................
(water, soft drinks, etc.) to penetrate the unit.
Copyright © 2002 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced
..................................................................................................
This product complies with the requirements of European Directives EMC 89/336/EEC and LVD 73/23/EEC.
in any form without the written permission of ROLAND CORPORATION.
Supplied parts contents
● Divided Pickup ..........................1
● Amp Board .................................1
● GK Connector Board .................1
● Plate .............................................1
● Screw ...........................................2
(for installing the Divided Pickup)
● Screw
(for installing the Divided Pickup)
● Spring
Wirings
● For GK Connector-A 7-pin ...1
● For GK Connector-B 8-pin ...1
● For GK Volume 3-pin ...1
● For Bass Signal 2-pin ...1
...2
● For Switch, LED 6-pin ...1
...2
Parts should be arranged separately
● Screw ...4 ● Ground Wire ...3 (*1)
(*1)
(*1)
Mark (red)
(+)
(*1)
Curcuit of Bass
Divided Pickup
For Switch, LED
For Bass Signal
* Max input level is 12 Vp-p
Black
White
Red
Blue
Yellow
Orange
N.C.
White
Black
When connect the wiring, check the number of pin
and direction accordingly
This side
here!!
8-pin
Amp Board
6-pin
3-pin
Wiring Diagram
BASS/MIX/GK
Select Switch
DOWN/S1
Switch
UP/S2
Switch
LED
Output jack
of Bass
For EU Countries
● GK Volume (50 kΩ ± 20 % B curve) ...........1
● LED .................................................................1
● DOWN/S1, UP/S2 Switch
(momentary type switch, push: ON) .........2
● GK/MIX/BASS Select Switch
(1 pole ON-OFF-ON toggle switch) ............1
● Nut (for GK Volume) ....................................2
● Washer (for GK Volume) ..............................2
Hold like this when
connecting /
disconnecting.
GK Connector
8-pin
Board
7-pin
3
2
1
GK Volume
50 kΩ ±20 % B curve
3-pin
Red
White
Black
8-pin
7-pin
Check the
number of
pin.
For GK Connector-B
For GK Connector-A
For GK Volume
Owner’s Manual
Thank you for purchasing the Roland GK-KIT-BG, a divided pickup kit. The GK-KIT-BG is a specialized kit for internal
installation of the included bass divided pickup. Installing the components in the bass allows the bass to be used with
GK-compatible devices for bass.
Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and “IMPORTANT NOTES.”
These sections provide important information concerning the proper operation of the unit. To ensure proper installation – which is critical – and operation, please read this owner’s manual carefully. The Owner’s manual should be
saved and kept on hand as a convenient reference.
IMPORTANT NOTES
In addition to the items listed under “USING THE UNIT SAFELY,” please read and observe the following:
Roland assumes no liability concerning any damage to
the bass and GK-KIT-BG upon installing the GK-KITBG. Please proceed with the installation using cation
and care at your own risk.
402
Never use benzine, thinners, alcohol or solvents of any
kind, to avoid the possibility of discoloration and/or
deformation.
553
Use a reasonable amount of care when using the unit’s
buttons, sliders, or other controls; and when using its
jacks and connectors. Rough handling can lead to malfunctions.
901
To avoid the risk of damage to internal components that
can be caused by static electricity, please be careful
whenever you handle or store the board.
To properly drive the GK-compatible device for bass
with the GK-KIT-BG, you must adjust the height of the
Divided Pickup and the sensitivity of the GK-compatible
device for bass. Be sure to make these adjustments correctly, in accordance with this manual and the owner’s
manual for the GK-compatible device for bass.
Adjusting the Divided Pickup
In the case of basses, the distance between each string differs between instruments, so you will need to adjust the divided pickup according to
the distance between each string of your bass.
1. Measure the distance between strings on your bass.
To determine the distance between each string, you can measure
the distance between string 1 and string 4 (or depending on the
number of strings, 5 or 6) at the location in which to install the
pickup, and divide by one less than the number of strings (i.e., in
the case of a four-string bass, divide by three).
Measure the
distance between
these two strings
center
String
1234
(Example)
a distance of 57 mm
57 divided by (4 - 1) = 19 mm
center
Attaching the Divided Pickup
Attach the divided pickup so that the screws on the side of the
1.
pickup face toward the neck.
Screw
Bridge
Make sure that the divided pickup and the bridge are no more
2.
than 50 mm apart (15–25 mm is recommended).
less than 50 mm
Adjust the height of the divided pickup so that there is
3.
approximately 1.5 mm of clearance between the string and
pickup when the string is pressed on the highest fret.
1.5 mm
String
Be sure to use the special cable supplied by us to connect
the GK-KIT-BG to the GK-compatible device for bass.
Use of any other cable may cause unnecessary problems.
To avoid damage, be sure there is no unnecessary strain
on the cables.
Never bend, twist or otherwise place undue pressure on
the Pickup. Be especially careful when removing it. Also,
make sure no force is applied to the yokes.
Make sure the power to the GK-compatible device for
bass is off when connecting GK-KIT-BG and the GKcompatible device for bass.
GK-KIT-BG cannot be used with basses that have
unusual or customized string setups, or basses strung
with nylon, rubber, or other non-metallic strings.
Loosen the screws (2) in the sides of the pickup, move the
2.
markers so that they are correctly positioned according to the
distance between the strings, then retighten the screws.
2nd string marker
loose
tight
19 18 17 16 mm
Position
Be careful not to tighten the screws excessively.
*
This adjustment made so that both 2nd string marker and 5th string
*
marker are at the same position.
In order to position the center marker as shown in the following
4.
figure, attach the divided pickup with the 2nd string marker and
5th string marker directly under the specified strings.
For a four-string bass (1G–4E):
5th string marker
For a five-string bass (1G–5B):
5th string marker
For a six-string bass (1C–6B):
5th string marker
6B
Center Marker
5th string marker
loose
16
17 18
19 mm
1G2D3A4E
1G2D3A4E5B
3D4A5E
tight
2nd string marker
2nd string marker
2nd string marker
1C2G
Dimensional Drawing of the Hole (If necessary, a hole for a rotation-stopper can be drilled.)
● LED
Ø 8.5 mm
for a rotation-stopper
Ø 3.2 mm
● GK Volume
7.5 mm
Ø 9.0 mm
●
GK/MIX/BASS Select Switch
6.4 mm
for a rotation-stopper
Ø 2.4 mm
Ø6.2 mm
● DOWN/S1 Switch
UP/S2 Switch
Ø 15.0 mm
Installation Notes
GK Connector Board
1. Attach the connector to the plate with the supplied screws.
2. Attach the plate to the bass with the screws.
* Mount GK Connector board so that small connection port should be
placed top toward bass surface.
small connection port
For Bass Signal Wiring
1. Do not exceed 12 Vp-p for input signal level.
2. Solder uncovered wire (silver) to the earth (ground) of the bass.
3. Solder the white wire to the bass signals.
uncovered ➔ earth (ground) of the bass
white ➔ bass signal
About Transcription for Each Controller
When you transcribe each controller into bass itself or owner’s manual, please transcribe as below:
GK Volume ...GK VOL
DOWN/S1 Switch ...DOWN/S1
UP/S2 Switch ...UP/S2
Select Switch ...BASS
...MIX
...GK
For GK Volume Wiring
1. Solder each signal wire of GK volume wiring with
volume 50 kΩ ±20 % B curve.
For Switch, LED Wiring
(Select Switch, DOWN/S1 Switch, UP/S2 Switch, LED)
1. Ground wire for each wiring is common.
Do wiring as “Wiring Diagram (*1).”
* Do not take power source from this circuit except for LED.
2. Using a toggle switch of 1 pole ON-OFF-ON momentary
for DOWN/S1, UP/S2, mounting can be simpler.
Black
Connect ground
* In case of above, it is not possible to use simultaneous pressing for
DOWN/S1 and DOWN/S2 switches.
4: Blue DOWN/S1
5: Yellow UP/S2
Dimensions Unit: mm
23.0
28.0
● Plate
20.0
28.0
Wirings
●
For Bass Signal
170±10
1: N.C.
2: White
3: Black
45.0
37.0
22.2
C.L
32.0
4-Ø3.3
2
2-Ø3.2
C.L
Ø16.3
●
For GK Connctor-A
150±5
1: Red
2–7: White
● Amp Board● GK Connector Board
36.0
50.0
● Screw
Pan Sems M3 x 10
● Screw (for installing the Divided Pickup)
Tapping Pan M3 x 20
● Spring (for installing the Divided Pickup)
●
For GK Connctor-A
150±5
1: Yellow
2–8: Blue
12.0
●
For GK Volume
120±5
1: Red
2: White
3: Black
● Divided Pickup
2
●
For Switch, LED
260±5
180±5
230±5
1: Black
2: White
3: Red
4: Blue
5: Yellow
6: Orange
138
128
118
230.0±10
1: Blue
2: Green
3: Yellow
4: Orange
5: Red
6: Brown
7: Black
8: Shield
1str
2str
3str
4str
5str
6str
GND
GND
Ø 3.3
13
8.7
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