SECTION 3
ELECTRICAL ADJUSTMENTS
3-1. TUNER SECTION
l
FM Section
Setting :
MODE switch : FM
FM rf signal
generator
deviation by
signal
output level : as low as possible
l
AM Section
Setting :
MODE switch : AM
AM rf signal
antenna
3 0 % a m p l i t u d e
modulation by
signal
V T V M
(range :
ac)
,
j a c k
l
Repeat the procedures in each adjustment several times,
and the frequency coverage and tracking adjustments
should be finally done by the trimmer capacitors.
l
Remove telescopic antenna in FM section adjustments.
FM FREQUENCY COVERAGE
A D J U S T M E N T
I
Adjust for a maximum reading on VTVM.
L 3
CT3
Adjust for a maximum reading on VTVM.
AM FREQUENCY COVERAGE
A D J U S T M E N T
Adjust for a maximum reading on VTVM.
L 4
CT4
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on VTVM.
CT1
620kHz
AM IF ADJUSTMENT
Adjust for a maximum reading on VTVM.
4 5 0 k H z
Adjustment Location
: R board (component side)
I . 3
