C148GLT DX A U G M E N T PROCEDURE
A U G M E N T OF RECEIVER PORTION
1. Test Equipment Required
a) SG, 27NHz Band.
b) Osci lloscop>e.
c) AF VTVM (Across 8oz. speaker).
d) Deviation Meter.
2. Alignment Procedure
STEP PRESET ТО ADJUSTMENT
REMARKS
1 CH : 19
Band : Mid
AM Mode
Tone : HI
NB/ANL : OFF
AF VR : CW
RF Gain: CW
Coarse : Center
SQ VR : CCW
CH 9 SW: OFF
Set the VR settings as noted in left.
2
Same as Step 1
L4
T u m the Core of L4 to the bottom.
3
Same as Step 1 L3, L5, L6
L7, L8, L17,
L18 and L4.
Adjust for maximum reading and readjust
L4 for maximum reading.
4
Same as Step 1
except:
NB/ANL : ON
LI and L2
Set the SG on Mid, Œ18, 27.175MHz (unit
is CH19) with no modulation. Connect Osci
lloscope to lead of D2 and adjust coils
for maximum reading. Then set the level
of SG to 5uV, then readjust this step
(D2 is TP1).
5 Same as Step 1
except:
SQ VR: CW
VR2
Set the SG to Mid, CH19, 27.185MHz, 30%
AM modulation with lOOOuV. Then t u m the
VR2, so that the AF signal will appear on
Oscilloscope (Tight squelch Adj.).
10
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