Sony TC-RX77 Service Manual page 9

Adjustment Parts Location
—Main board -
RV102 (L-ch)
RV202 (R-ch) Record Level
TP801
TP802
Quick Reverse Test point
T101 (L-ch)
7201 ee Bias Current
RV801 Quick Reverse
TP301
Bias Current Test point
RV203 (R-ch)
RV103 ah Record Bias
240 =