NAD C 340 - Alignment Procedure; Idle Current Adjustment; Offset Voltage Adjustment; PCB Layout

ALIGNMENT PROCEDURE
1. Idle Current
a.
By
adjusting
R534
and
R634,
set
the
voltage
between
test
points
P531
and
P631
to
6.0mV+1.0mV
immediately
after
the
power
is
switched
on.
b.
After
4
~
6
minutes
with
the
power
on,
readjust
R534
and
R634
to
5.0mV+1.0mV.
2. Offset Voltage
a.
After
4
~
6minutes
with
the
power
on,
adjust
R544
and
R644
to
OmV+20mV.
PCB LAYOUT
Amplifier PC Board
NAAR-6359