— 11 —
Adjustment Location :
[MAIN BOARD]
(Side A)
IC801
IC501
RV502
RV503
RV502 : Tracking gain adjustment
RV503 : Focus gain adjustment
TUNER SECTION
[AM]
BAND switch : AM
9k/10k switch (S19) : 9k (Tourist)
: 10k (Except Tourist)
[FM]
BAND switch : FM
STEREO/MONO (DX/LOCAL) switch (S20) : STEREO (DX)
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
620kHz (621kHz)
CT3
1,400kHz (1,404kHz)
( ) : AEP, UK, French, Saudi Arabia, Tourist model
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
87.5MHz (76MHz)
CT1
108MHz
( ) : AEP, UK, French, Saudi Arabia, Tourist model
AM RF signal
generator
Put the lead-wire antenna
close to the set.
30% amplitude modulation
by 400Hz signal.
Output level : as low as possible
FM RF signal
generator
22.5kHz frequency
deviation by 400Hz signal.
Output level : as low as possible.
100PF
to ANT (TP11)
32
Ω
Level meter
PHONES
Set
+
–
digital voltmeter
TP41
(VT OUT)
(Tuning voltage)
( ) : Tourist model
S19 is not mounted in the
AEP, UK, French, Saudi
Arabia model
(
)
•
Repeat the procedures in each adjustment several times, and
the frequency coverage and tracking adjustment should be finally
done by the trimmer capacitors.
AM TUNING VOLTAGE ADJUSTMENT
Adjustment part
L4
confirmation
Frequency display
530kHz (531kHz)
1,710kHz
(1,602kHz)
Reading on Digital
Voltmeter
1.45V – 1.55V
8.0V – 9.0V
(7.0V – 8.2V)
FM TUNING VOLTAGE ADJUSTMENT
Adjustment part
L2
confirmation
Frequency display
87.5MHz
(76.0MHz)
108MHz
Reading on Digital
Voltmeter
2.95V – 3.05V
(0.95V – 1.05V)
7.8V – 9.0V
(8.2V – 9.4V)
( ) : Tourist model
