Fender CYBER-TWIN HEAD, Service Manual, Page: 13 / 44

MOTOR POT DOES NOT WORK
YES
NO
YES NO
YES NO
YES NO
Run Motor Pot Test described on
Motor Pot A/D Section
Schematic (0055766000)
Amp
OK
Motor Pot
OK
Power Supplies
OK
Voltage on PW
Pins 1-8 while
running Pot test
Troubleshoot Power
Supplies in Motor Pot A/D
Section on Main PCB
(0055766000)
Swap Motor
Pot
Voltage on Pin1&3 of
BA6218 Controller
Proceed to Digital Test
described on Motor Pot
A/D Section Schematic
(0055766000)
Swap BA6218
Controller