CYBER DELUXE
Fender Cyber-Deluxe Step by Step Troubleshooting Guide for Hardware Problems (cont)
MIDI IS NOT WORKING
Setup: Follow the Midi Test instructions described on the Rear Panel Board Section Schematics
(0056392000 Sheet 2).
1. Check for Midi activity on the Midi test points TP18 & TP20.
2. Check for Midi activity on P2 Pin7&9.
2.1 If there is Midi activity on P2 Pin7&9, then swap Rear Panel board.
2.2 If there is no Midi activity on P2 Pin7&9, then check if ribbon cable on P2 is OK.
3 If the ribbon cable on P2 is OK, swap the Main PCB, otherwise swap the ribbon cable on P2.
HEADPHONES ARE NOT WORKING
Setup: Follow the instructions as stated under notes 8, on the Cyber-Deluxe Main Schematics
(0056389000 Sheet1).
1. Check for Audio Output through the Speaker with Headphones unplugged.
2. If there is no Audio Output through the Speaker proceed to the previous troubleshooting section NO
AUDIO.
3. If there is Audio Output through the Speaker, check if ribbon cable P1 is OK.
3.1. If the ribbon cable is OK, then swap the Rear Panel PCB.
3.2. If the ribbon cable is defective, then swap the cable.
FOOTSWITCH IS NOT WORKING
Setup: See Footswitch Notes on the Rear Panel Board Section Schematics (0056392000 Sheet 2).
1.
Check the Voltage on U501 Pins 2,3,4,5.
2.
If the Voltages are not correct check the power supply.
2.1. If the power supply is OK, swap Rear Panel PCB.
3.
If the Voltages are correct check for Digital Activity on U501 Pins7&15.
3.1. If there is no Digital Activity on Pins7&15 check the Ribbon Cable P2 and swap if necessary.
3.1.1. If the Ribbon Cable on P2 is OK, swap the Main PCB.
4.
If there is Digital Activity on Pins7&15, check for Digital Activity on U501 Pin13.
4.1. If there is no Digital Activity on Pin13, swap Rear Panel PCB. Otherwise, check the Ribbon Cable
P2 and swap if necessary.
4.1.1. If the Ribbon Cable on P2 is OK, swap the Main PCB.
