Sony ICF-7600DA - Page 20

FM FREQUENCY-COVERAGE (VCO VOLTAGE) ADJUSTMENT
Setup:
Band: FM
main board
— conductor side—
VOM
FM RF SSG test point) or(H) (DC Vv)
(LPF line)
0.01 uF _— re
‘ I
——-o
frequency deviation:
422.5 kHz
by 400 Hz signal
main
board
:
_
ne
G
io
D
eee
(conductor
side)
main
board
—
component
side
UH
from RF SSG
Procedure:
1, Set the frequencies of the FM RF SSG and the
frequency display of the set to 76.00 MHz (US,
Canadian model) or to 87.50 MHz (AEP, UK,
E, AUS, model), the lowest frequencies.
Adjust L28 so that the voltage reading on the
VTVM becomes in 2.5 Vt 0.1 V.
Set the frequencies of the FM RF SSG and the
frequency display of the set to 108.00 MHz,
the highest frequency.
Confirm that the voltage reading on the VTVM
is now between 11.5 V and 15.0 V.
Adjustment Location: — main board (component side) —
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