JVC RX-D201 - Page 13

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