Publicidad
KS — RT515 C/J
Adjustment and Confirmation methods
Adjust
6.Confirm
Test tape: VT721
1,Comfirm the line out level to be within
Line out
the Line
(1kHz)
350~700mV
level
out level
Test point : line out
350~700MV
31.8mMV +
0.5dB
Leh:VR121
Reh:VR221
7. Adjust the | Test tape : VT724
DOLBY NR_ | Test point
level
: Leh TP121
: Reh TP221
. Playback the test tape VT724, Adjust
VR121/VR221
so that the output level at
terminal TP121/TP221 is 31.8mV.
2. Playback the non-signal recorded portion
and turn on and off the DOLBY NR switch
repeatedly while making sure that level
difference at TP121 or TP221 is 8.5dB
more.
.
P
(Each condition of input level is shown by EMF value(open load value)
Mi Tuner section
adjustment
of SSG under using dummy
antenna.)
Adjustment and Confirmation methods
Adjust
1.Adjust the | Test point: TP1
Adjust L1 so that the TP1,TP2 DC voltage
0+ 30mV | L1
FM OV
,TP2
level become 0 V when 97.9 MHz is
FM 97.9MHz, 66 dB | indicated.
non modulation
TP1 o—
TP2 May,
TP : AFout
FM97.9MHz,66dB
Le
(1kHz,67.5kHz Dev.
7.5kHzDev.)
2. Adjust the
Bland
1. With signal of 97.9MHz,66dB uw supplied
from the signal generator to
Lor R
channel.
2. Adjust VR2 so that speaker output level of
the other channel becomes 3.0 + 0.05V
and signal levels of the two channels are
balanced.
.
(No. 49282) 37
Publicidad
