JVC RX-D Series Training Book page 13

Waveform (2) at 'AMP_+/-B' switch regulator
About 10v
pulse at Gate of
Q1102 when
switch on
The waveforms at gate and drain of Q1102 after power is turned on.
DC 0v line
Blue at D of Q1102- channel 2
Both channel X 10
Both channels are DC coupling
Yellow at G of Q1102
POWER SUPPLY 3/5
AMP
-B
About
-30v
-B
About
-63v