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9.4 POWER
AMPLIFIER
SECTION
(IDLE
CURRENT}
1. Set
BASS
and TREBLE controls
ro center
a r''
position.
2. Nothing
should
be connected
to the
INPUT
jacks
of
SX-450 and
an 8
ohm dummy
load
should
be connected
across the
SPEAKER
terminal.
3.
A DC
voltmeter
should
be
connect
across
between
terminal
number
19
1+;,
20
(-)
for
Left
channel
and
18
1+1,
l7
(-)
for
Right
channel.
4.
Cut the
jumper
lead,
if the
voltage
less
than
15mV.
fi
j**'
ita
{
fNt
#
DC Voltmeter
ed