Realistic PRO-2004 - Page 13

Control Setting
Test Instrument
Adjust
Remarks
Step
.
Chanel Programming Connection
6
OFF/vOLUME control:
Connect Signal
T7
Alignment
of 455 kHz IF coil
ON Generator
to TPl and
1) Set the Signal Generator frequency
SQUELCH
control:
Oscilloscope. AC SSVM.
to 48.5 MHz.
Fully CCW Distortion Meter, 8n
AM: 60% MOD. at 1 kHz and
Channel Programming:
Load
to EXT SPK R
100
p.V output
CH6 (120 MHz -AM)
JACK.
2) Adjust T7 to maximum sensitivity.
(Figure 8)
.
7
Same as step 6 Same as step 6 T8
Alignment of 455 kHz AM DET.
coil
•
1) Set the Signal Generator frequency
to 48.5 MHz,
AM: 60% MOD. at 1 kHz and
100
p.V output.
-.
2) Adjust T8 to minimum T.H.D.
•
point .
Figure 8 '
•
an 'LOAD
EXT
SPKR
TP1
JACK
SIGNAL
UNIT
AC
UNDER TEST
SSVM
GENERATOR
/II
OSCILLOSCOPE
"
,
DISTORTION
METER
,
•
_ 1'"l _
. ~
•