— 7 —
[AM]
BAND: AM
Signal generator
[FM]
BAND : FM
Signal generator
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
620kHz(800kHz)
CT1
1,400kHz(1,300kHz)
TUNER SECTION
Put the lead-wire
antenna close to
the set.
30% amplitude modulation by 400Hz
signal.
Output level : as low as possible
AM RF signal
generator
0.01
µ
F
FM RF signal
generator
antenna terminal
75kHz(100%) amplitude modulation
by 1kHz signal.
Output level: as low as possible
16
Ω
set
level meter
J302 (phones)
AM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L4
505kHz(516.5kHz)
CT4
1,750kHz(1,631.5kHz)
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
455kHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L2
86.0MHz[64MHz]
CT2
109.5MHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
86.0MHz[64MHz]
CT3
109.5MHz
( ) :E, Mexican, East European, AEP
[ ] : East European
Adjustment Location: Main board (See page 8)
0 dB = 1 µV
•
Repeat the procedures in each adjustment several times for the
maximum level meter indication.
•
The frequency coverage and tracking adjustments should be
finally done by the trimmer capacitors.