need help to adjust bias in fender amp.

[Jose8a]

i have a twin-amp fender that doesn' work, it doesn't have any sound at the speakers, in the schematics i was following the signal (voltages) and everything is ok in all the preamp Stage, the problem is the output of the 12AX7 tube (before the first 6L6) because in the schematics says it has to be 18.4VAC and i have almost 36 VAC i don't know why... and i checked the input in the 6L6 and i have almost 36 VAC, but at the output of the 6L6 tube i don't have any voltage... i read i should adjust the bias (Set BIAS: With a DC voltmeter, measure VDC between te “GND” and “V9,V10” test points. Adjust BIAS for .06VDC (60mVDC).
Set BALANCE: With a DC voltmeter, measure VDC
between the “V9,V10” and “V11,V12” test points. Adjust BALANCE for zero (0) VDC.)
but i don't have any voltage in the measure points never.. so i want to know if someone can help me.

[darrellcheng]

Hello you should post this question in the general repair section, not schem. requests. I can help you. First, take out the power tubes and see if you get correct voltages at the plates (pin 3). the schem for ur amp is on fender.com