JVC AX-V4BK - Page 23

AX-V4BK
B Adjustments
@ Idling current
(1
(2
(3
(4
)
)
)
)
Set the volume control to minimum during this adjustment.And set surrund mode “OFF“.
Turn VR741 and VR742 fully counterclockwies to warm up befor adjustment.
If
the
heatsink
is
already
warm
from
previous
use
the
correct
adjustment
can
not
be
made.
Connect
a
DC
voltmeter
to
R771
resistor’s
leads
for
left
channel,
or
to
R772
for
right
channel.
Adjust R771 for left channel, or R772 for right channel, so that the DC
voltmeter becomes 1mV~10mV.