MECHANICAL NOISE FROM INSTRUMENT CABLE
TIGHTEN ALL PLUG HARDWARE
T R O U B L E S H O O T I N G G U I D E
SYMPTOM
TYPICAL CAUSE
SOLUTION
NO SIGNAL
WITH BATTERY POWER
NO SIGNAL WHEN USING
AUX / MIC IN JACK ONLY WITH BATTERY POWER
DISTORTED OR NO MIC SIGNAL
WITH ACTIVE PICKUP
(BATTERY ON INSTRUMENT)
MUTE SWITCH IN
STEREO IN JACK MUST BE PLUGGED IN FOR POWER
TO BE ON WHEN USING BATTERY POWER
MIC IS GROUNDED-OUT
BY THE INSTRUMENT’S ONBOARD PREAMP
SET MUTE SWITCH TO OUT POSITION
LOOSE BATTERY COMPARTMENT TERMINALS
REMOVE BATTERY AND RE-TENSION TERMINALS BY
PULLING THEM UP WITH YOUR FINGER
DEVICE APPEARING AT MIX EFFECTS RETURN
IS BREAKING THE SIGNAL PATH
REMOVE PLUG FROM EFFECTS RETURN
MICROPHONE CHANNEL DEAD
WITH MINI-MIC
CONNECTED TO STEREO IN JACK
PHANTOM POWER IS OFF ( SWITCH IS IN )
TURN PHANTOM POWER ON ( SWITCH IS OUT )
WHEN SENDING MIC SIGNAL THROUGH STEREO IN
JACK, ANY SIGNAL CONNECTED TO THE AUX / MIC IN
JACK OVERRIDES THE MIC
DISCONNECT SIGNAL FROM AUX / MIC IN JACK
DEVICE APPEARING AT THE MIC EFFECTS RETURN IS
BREAKING THE SIGNAL PATH
REMOVE PLUG FROM MIC EFFECTS RETURN
INSERT A 1/4” PLUG OR UNUSED
INSTRUMENT CABLE INTO THE STEREO IN JACK
INSTALL A FISHMAN SMART SWITCH
OR USE SEPARATE CABLES
FOR MIC AND PICKUP
NO SIGNAL
WITH AC POWER
AC ADAPTER IS DAISY-CHAINED TO OTHER DEVICES
MUTE SWITCH IN
DEVICE APPEARING AT MIX EFFECTS RETURN IS
BREAKING THE SIGNAL PATH
REMOVE OTHER DEVICES
FROM BLENDER’s POWER SUPPLY
SET MUTE SWITCH TO OUT POSITION
REMOVE PLUG FROM EFFECTS RETURN
MIC IS DEAD AND PICKUP APPEARS
IN MICROPHONE CHANNEL
MIC AND PICKUP ARE WIRED TO STEREO OUTPUT
JACK BACKWARDS
( MIC TO TIP AND PICKUP TO RING )
WIRE PICKUP TO TIP AND MIC TO RING OF STEREO
OUTPUT JACK
PIEZO / MAGNETIC PICKUP OR DYNAMIC
MIC DEAD OR LOW LEVEL IN MIC CHANNEL
PHANTOM POWER IS ON
( SWITCH IS OUT )
TURN OFF PHANTOM POWER
( SWITCH IS IN )
DISTORTION FROM EXTREMELY
‘HOT’ SIGNALS SUCH AS EXTERNAL PICKUP
INPUT CLIPS WITH TRIM CONTROL ALL THE WAY DOWN
CONSULT FISHMAN
TECH SUPPORT LINE AT 978-988-9665
PIEZO HIGH FREQUENCY LOSS
INSTRUMENT CABLE IS TOO LONG
USE ONLY 15’ OR SHORTER INSTRUMENT CABLES
WITH PASSIVE PICKUP
HUM
USE OF AN UNREGULATED POWER SUPPLY WILL
CAUSE THE BLENDER TO HUM UNDER AC POWER
USE ONLY FISHMAN 910-R
OR ROLAND PSA SERIES AC ADAPTERS
POORLY SHIELDED OR UNSHIELDED CABLE
USE ONLY QUALITY FULLY SHIELDED
INSTRUMENT CABLES
NOISE OR DISTORTION
FROM EITHER CHANNEL
LOW BATTERY
PLUG INTO STEREO IN JACK AND PUSH IN BATTERY LOW
SWITCH; IF LED LIGHTS UP REPLACE BATTERY
TRIM CONTROL(S) SET TOO HIGH
LOWER TRIM CONTROL(S)
UNTIL DISTORTION DISAPPEARS
MECHANICAL NOISE FROM INSTRUMENT
LISTEN TO INSTRUMENT ACOUSTICALLY
TO ISOLATE NOISE
A C O U S T I C B L E N D E R S Y S T E M
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