Sony ICF-7600DA - Page 19

SECTION 2
ELECTRICAL ADJUSTMENTS
PREPARATIONS:
Controls and switches should be set as follows un-
less otherwise noted.
POWER switch: ON
MAIN POWER switch: ON
TONE switch: as required
All key switches: as directed
VOLUME control: as required
CLOCK-FREQUENCY ADJUSTMENT
NOTE: This adjustment is needed to these sets
bearing serial numbers up to 7901.
These sets bearing serial numbers 7902 and
up are not equipped with the adjustment
trimmer.
Refer to the mounting and schematic dia-
grams.
MAIN POWER SWITCH: ON
POWER SWITCH: ON
BAND: MW/LW
FREQUENCY: 150 kHz
any test point outof frequency counter
@ thru ©) (AM line)
Tag
Set iP 4H
N37
GND
Key board —component side—
key board —jumper-foil side—
Procedure:
1.
Adjust
CT201
so
that
the
reading
on
the
fre-
Adjustment
Location:
—
key
board
—
quency
counter
becomes
in
10.860000
MHz
aa,
(10.710
MHz
+
0.150
MHz).
2.
Hit
the
FM
button.
The band
should
become
in
FM
and the
frequency
on
the
LCD
panel of
the
set
should
be
76.00
MHz
(US,
Canadian
model)
i
or
87.5
MHz
(AEP,
UK,
E,
AUS)
model.
3.
Hit
the
SW
button.
The band
should
become
in
the
SW1
and
the
frequency
on
the
LCD
panel
of
the
set
should
be
3,050
kHz.