Proton D1200 - Page 4

ALIGNMENT
IDLE CURRENT ALIGNMENT
dg
23
33
4.
Turn VR603, VR604 to fully counter clockwise position.
Remove the load from speaker terminals.
Push on POWER for 5 minutes pre-heating.
Connect DC millivolt-meter across R651 for left channel R652
for right channel. The meter sensitivity should be set at 100mvV
full scale deflection.
. Adjust VR603 (left channel) and VR6O04 (right channel) till the
reading from meter is between 2.5mV and 5.0mV the alignment is
completed.
OFFSET ALIGNMENT
dw
Dix
Six
Remove the load from speaker terminals.
Push on POWER for 5 minntes pre-heating.
Connect a DC millvolt-meter to speaker terminals of each channel.
The meter sensitivity should be set at 100mV full scale deflection.
The
positive
input
of
the
meter
should
be
connected
to
the
red
(+)
speaker terminal.
4.
Adjust
VR601
(left
channel)
and
VRO6O2
(right
channel)
till
the meter reading is zero. The alignments is completed.