Fender Cyber-Twin Service Manual - page 7
CYBER-TWIN Service Manual
Fender Cyber-Twin Troubleshooting Guide for User Interface Problems
NO SOUND
What to check:
- The LED ladder is not coming on when hitting a string.
- The TRIM, GAIN, VOLUME or MASTER is turned to 1.
- Something is plugged into the L/MONO EFFECTS RETURN jack, or the HEADPHONES jack.
How to solve the problem:
- Turn up the guitar VOLUME or the amp TRIM controls so that green LED’s turn on.
- Turn TRIM, GAIN, VOLUME or MASTER past 1.
- Unplug connector from L/MONO EFFECTS RETURN jack, or the HEADPHONES jack.
NO EFFECTS
What to check:
- The effects function in the FX Menu is turned to NONE.
- The effect output level is turned to 1.0.
- FX Kill switch is enabled.
How to solve the problem:
- Press the FX menu button and turn on an effect.
- Turn the effects level past 1.0 on the FX LEVEL knob.
- Use the FX Kill footswitch to disable the function.
DELAY TIME CHANGE SOUNDS ABRUPT
What to check:
- The DELAY TIME CHANGE function is set to STEP.
How to solve the problem:
- Press the FX menu button 7x to get to the DELAY TIME CHANGE function, and turn it to
RAMP.