Sony ICF-2001D - Tracking Adjustments; FM Tracking Adjustment; AIR Tracking Adjustment

FM TRACKING ADJUSTMENT
Setup:
Band switch: FM
Frequency: as required
VOLUME control: as required
from signal generator
(CAMA EN
@GND hot side @
"]
FM rf signal a-f distortion meter
generator
(VTVM
level
meter
mode)
40 kHz frequency
deviation by 400 Hz
signal
earphone
Procedure:
. RF SSG’s and Set’s Frequency: 80.000 MHz
Adjust T2 and L11 for a maximum output level.
. RF SSG’s and Set’s Frequency: 106.000 MHz
Adjust CT2.and CT3 for a maximum output level.
. Repeat above steps several times ending with trim-
mers until no further improvement is obtained.
Adjustment Location:
— main board —
ICF-2001D/2010
AIR TRACKING ADJUSTMENT
Note: AIR band is not provided for sets to the Mid-
dle Easts, Saudi Arabia, UK, Denmark, Fin-
land, Norway and the Federal Republic of
Germany.
Setup:
Band switch: AIR
Frequency: as required
VOLUME control: as required :
from signal generator
@EGND hot side @
AM rf signal a-f distortion meter
generator (VTVM level meter mode)
30% modulation
by
400
Hz
signal
earphone
Procedure:
.
RF
SSG’s
and
Set’s
Frequency:
116.000
MHz
Adjust L10 for a maximum output level,
. RF SSG’s and Set’s Frequency: 136.000 MHz
Adjust CT1 for a maximum output level.
.
Repeat
above
steps
several
times
ending
with
CT1
until
no
further
improvement
is
obtained,
Adjustment Location
— main board —