Akai AM-2850

No.
MODEL AM-2850/2950
VOM or VIVM
2SB681
2SD551
Fig. 7 AM-2950 Idling Current Adjustment
Instrument Connection -
1.
Disconnect
the
jumper
plugs
from
the
PRE
OUT
and
MAIN
IN
terminals
on
the
rear panel.
2.
Keep
the
SPEAKERS
Switch
on
the
front
panel
in
the
OFF
position.
Now, follow the directions in Table 1 below.
Table 1 Idling Current Adjustment.
ADJUST : RESULT METHOD
Idling
current
VRS:
2
KB
Use
a
VOM
or
VTVM
(Left
channel)
(Main
Amp
P.C
Board)
with
it
in
100
mV
DC
range.
Idling
current
VR3b
1
kB
The
idling
current
(Right
channel)
(Main
Amp
P.C
Board)
should
be
20
mA.