Fender Cyber-Deluxe Pcb Exchange Policy - Fender CYBER DELUXE Service Manual

CYBER DELUXE
Power-up Problems and Power-up Self-test Errors (cont)
the clean and distortion channels, and report a fail or pass condition. This can help the technician narrow down a
problem to a specific audio channel. Refer to the Service Diagram for more detail on the audio circuitry.
To run the clean channel frequency sweep test, first make certain the INPUT jack is filled with a 1/4" phone plug (this
unmutes the analog channels). Set the test to "t0" using the data wheel. Press UTILITY to start the test. The entire
test will execute, displaying the measured signal values in hexadecimal. When the test is complete, the test result will
be reported as Pass ("PA") or Fail ("FA").
To run the distortion channel type 2 frequency sweep, set the test to "t1" using the data wheel and press UTILITY.
To run the distortion channel type 3 frequency sweep, set the test to "t2" using the data wheel and press UTILITY.
Press SAVE to refresh a field test setup.
Also, the display test may be executed when in the Field Test mode. Press the TUNER button top light the entire
display.
The Expander Switch (Q6) test is executed from the Field Test Mode. This test is required to acceptance test the FET
switch Q6 and supporting circuitry. Install a non-shorted 1/4" phone plug into the expander jack (this opens a
switch that enables the expander). Press the MANUAL button. "tE" is displayed to indicate the expander test setup.
With this test setup, a 1kHz signal is output to the speakers. When the expander switch on the rear panel (MONO
out, STEREO in) is in the MONO position, the tone should be audibly louder than when in the STEREO position. This
tests the transistor switch, Q6, on the Main board PCA.

Fender Cyber-Deluxe PCB Exchange Policy

Items whose parts numbers are marked with a single asterisk (*) in the itemized parts lists are not field
replaceable. If a failure due to one of these components is detected, please contact a Fender Customer
Service Representative for authorization to exchange the failed PCB Assembly. Replacement PCB
Assemblies will not be shipped without prior authorization from a Fender Customer Service Representative.