FENDER VIBRO-CHAMP AMPLIFIER
With the rectifier tube 5Y3 removed and using an adapter the AC voltage is measured from chassis to pin 4
and 6. This is after the amplifier was tested using the dim bulb method. The meter reads the no load AC
voltage from the power transformer secondary.
The two capacitors in above picture are one of the differences between the current available schematic for the
"VIBRO-CHAMP AMP AA764." These are 1 MFD at 15 VDC in parallel making 2 MFD connected to pin 8 of V1b tube
12AX7A. Interesting that hook-up is shown on the Champ amplifier schematic.
ALL ORIGINAL PARTS
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