Roland SYB 5 Service Manual
Owner’s Manual
DCAC
AC & BATTERY
POWERED
FET
Thank you, and congratulations on your choice of BOSS SYB-5 Bass Synthesizer.
Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and
“IMPORTANT NOTES” (separate sheet). These sections provide important information concerning the proper operation of the unit.
Additionally, in order to feel assured that you have gained a good grasp of every feature provided by your new unit, this manual should be read in its entirety. The manual should be
saved and kept on hand as a convenient reference.
A battery is supplied with the unit. The life of this battery may be limited, however, since
its primary purpose was to enable testing.
Copyright © 2004 BOSS CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the
written permission of BOSS CORPORATION.
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Main Features
This compact effect creates a variety of bass synthesizer sounds.
This unit features a dual-system bass synthesizer, which creates sounds in two different
ways, and 11 modes to produce a variety of sound characteristics.
Features a mode that the changes the filter, synchronizing it with the internal LFO. This is
useful for creating techno sounds.
One mode uses an all-pass filter, allowing you to create a whole new synth sound that has
a sense of depth and motion.
The Hold function allows you to output effect sounds (synthesizer sound) continuously
while you keep the pedal down. (This applies when the Mode is set to 1–9.)
In the stereo output mode, the effect sound (synthesizer sound) and direct sound can be
output separately.
The SYB-5 not only works with four-string basses, it is compatible with five- and six-string
basses as well (the range for detecting pitch is A0–C5).
Equipped with Expression/Control jack. You can connect an expression pedal (the optional
Roland EV-5) and use it to switch the bass synth sounds.
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Panel Descriptions
fig.01
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1. AC Adaptor Jack
Accepts connection of an AC Adaptor (optionally available BOSS PSA-series). By using
an AC Adaptor, you can play without being
concerned about how much battery power
you have left.
* As soon as you connect the AC adaptor, the unit is
turned on.
* If there are batteries in the unit while an AC
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adaptor is being used, normal operation will
continue should the line voltage be interrupted
(power blackout or power cord disconnection).
* Use only the specified AC adaptor (PSA-series).
2. CHECK Indicator
This indicator shows whether an effect is
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ON/OFF, and also doubles as the Battery
Check indicator. The indicator lights when
an effect is ON.
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Panel Descriptions
* If this indicator goes dim or no longer lights while
an effect is ON, the battery is near exhaustion and
should be replaced immediately. For instructions on
changing the battery, refer to “Changing the
Battery” (p. 18).
*
The CHECK indicator shows whether the effect
is being applied or not. It does not indicate
whether the power to the device is on or not.
3. OUTPUT A (MONO) Jack, OUTPUT B Jack
The output jacks are used to connect the unit
to amplifiers or other devices.
* For mono output, use OUTPUT A (MONO).
* For stereo use:
Output A: Only the processed signal is output.
Output B: Only the dry signal is output.
4. INPUT Jack
This jack accept input signal coming from a
bass.
* When running the unit on battery power, the INPUT
jack as power switch. Power to the unit is turned on
when you plug into the INPUT jack; the power is
turned off when the cable is unplugged. Be sure to
disconnect a cord plugged into the INPUT jack when
not using this effects device. When the AC adaptor is
used, the power remains on at all times, and this
function is disabled.
5. EXP Jack
Connect an expression pedal (the optional
Roland EV-5) here. You can then use the expression pedal to change the bass synth
sound.
* For more details, refer to “Using the EXP Jack” (p.
15).
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Panel Descriptions
6. Pedal Switch
This switch turns the effects on/off.
This is also used for the Hold function.
7. Thumbscrew
When this screw is loosened, the pedal will
open, allowing you to change the battery.
* For instructions on changing the battery, refer to
“Changing the Battery” (p. 18).
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fig.02
8. EFFECT (Effect Level) Knob
This adjusts the output level of the effect
sound (synth sound).
The volume of the effect sound increases as
you turn the knob clockwise.
* Rotating this knob fully counterclockwise will
eliminate the effect sound.
Panel Descriptions
9. DIRECT (Direct Level) Knob
This adjusts the output level of the direct
sound. The volume of the direct sound increases as you turn the knob clockwise.
* Rotating the knob fully counterclockwise will
eliminate the direct sound.
10 .FREQ (Frequency) Knob
This adjusts the frequency of the filter.
The sound becomes brighter as you turn the
knob clockwise.
11 .RES (Resonance) Knob
This adjusts the feedback amount of the filter. Rotating the knob clockwise will make
the sound more unusual.
12 .DECAY/RATE Knob
When MODE is 1, 2, 4, 5, 7–11
The knob works as a decay knob that determines the period of time over which the frequency of the filter should move. As you rotate
the knob clockwise, this time is increased.
When set to MAX, the frequency of the filter is fixed.
When MODE is 3, 6
The knob functions as a rate knob, adjusting the
speed at which the filter fluctuates.
13 .MODE Knob
This knob switches the tone.
For more on the tones for each mode, refer to
the “Mode Chart” (p. 10).
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Connections
fig.03
AC Adaptor
BOSS PSA series
(Optional)
Bass Guitar
Expression Pedal
Roland EV-5 (Optional)
Bass Amp
OUT 9V DC / 200 mA
For mono use, make the
connection to the
OUTPUT A (MONO) jack.
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Connections
* To ensure stable conditions, connect the
SYB-5 directly to your bass’s output.
* When running the unit on battery power,
inserting a plug into the INPUT Jack will
automatically switch the unit on.
* The use of an AC adaptor is recommended as
the unit’s power consumption is relatively
high. Should you prefer to use batteries,
please use the alkaline type.
* To prevent malfunction and/or damage to
speakers or other devices, always turn down
the volume, and turn off the power on all
devices before making any connections.
* If there are batteries in the unit while an AC
adaptor is being used, normal operation will
continue should the line voltage be interrupted (power blackout or power cord disconnection).
* Once the connections have been completed,
turn on power to your various devices in the
order specified. By turning on devices in the
wrong order, you risk causing malfunction
and/or damage to speakers and other devices.
When powering up:
Turn on the power to your guitar amp last.
When powering down:
Turn off the power to your guitar amp first.
* Always make sure to have the volume level
turned down before switching on power.
Even with the volume all the way down, you
may still hear some sound when the power is
switched on, but this is normal, and does not
indicate a malfunction.
* When operating on battery power only, the
CHECK indicator will become dim when
battery power gets too low. Replace the
battery as soon as possible.
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