Realistic STA-7 - Page 15

-15-
Check
the
Signal
Meter
Pointer.
(1)
No
signal
-
0
point
I
0.8 m/m.
(21
1 mV lnput
(Mod.
-
OFF)
Adjust
T110 for
maximum
reading
on
set's
meter.
(3)
100
mV
lnput
-
90-95%
of
full
scate
Adjust
vR
101
so the Meter
Pointer
on
set is
g0-9b%
of full
scale.
(4)
Check
to
be
sure that
the
max.
Meter
reading
point
is
also
the
point
of
mini-
mum
distortion.
(See
Figure
12.)
NO
SIGNAL INPUT
90- 95%
Meter Pointer
indicates
incorrectly.
Meter Pointer
indicates
correctly.
Same
equipment
connection
as
F igure
1 1.
Set
FM
SG
to 98
MHz,
1 mV lnput.
MODE
Switch
to
STEREO.
Check FM
TAPE
OUT Level.
Adjust
value
of R
1Bg
(L
ch)
and/or
R
190
(R
ch).
TAPE
OUT Level
is not
630 mV
t
2.5 dB.
TAPE
OUT Level
is
630 mV
t
2.5 dB.
Check
TH.
Distortion
for
Mono.
signal.
Readjust
RF/lF
Alignment
on
page
18.
TH. Distortion
is
greater
than 1.0%.
INPUT:lOOmV/m
REPAIR
CONNECTION
REPAI
R
STEP 6
REPAIR
Readjust
T110
and VR
101.