Akai PR-A04 - Page 23

Vi. ADJUSTMENT
RLI
i-ch R-ch
VR2, WReb
POWER METER SENSITIVITY
ADJUSTMENT
Lal rl
eT elds SET VOLTAGE
ADJUST!
L-ch
VR 1
R-ch
VR Ib
Fig. 5 Main Amp P.C Board (PAW-4001)
Fig. 6
Audio Osc I KHz
1, CENTER OFF-SET VOLTAGE
ADJUSTMENT (Refer to Figs. 5, 6)
Connect the Digital Voltmeter or DC Voltmeter
between the SPEAKER terminal.
Adjust the VR 1 (1 kohms) so that Voltmeter reading
isO+ SO mV.
SPEAKER
DC Voltmeter
OV +50mvV
Instrument Connections
saa AC Voltmeter
10.96 V(I5W)
Fig. 7 Instrument Connections
2. POWER METER SENSITIVITY
ADJUSTMENT (Refer to Figs. 5, 7)
Connect
a
load
resistor
(R=8
ohms)
to
the
SPLAK-
ER
terminal
and
input
1
kHz
through
the
INPUT
terminal,
adjust
VR
2
(2.2kB)
on
the
Main
Arnp
P.C
Board
until
the
voltmeter
at
both
ends
of
the
load
resistor
is
10.96
V
were
the
POWER
METE.Rs
indicate
15
watts.
a
—
————
23