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5-2.
TUNER SECTION
0 dB = 1 µV
•
AM section
•
FM section
Adjustment Location :
MAIN board (side A)
•
Positions of switches and control knobs
VOLUME ....................................... standard output level position
(See previous page.)
•
Repeat the proceduresin each adjustment several times for the
maximum level meter indication.
maximum level meter indication.
•
The frequency coverage and tracking adjustments should be
finally done by the trimmer capacitors.
finally done by the trimmer capacitors.
Test Point :
MAIN board (side B)
AEP/UK model
LW RECEPTION FREQUENCY COVERAGE CHECK
Frequency indication
151 kHz
273 kHz
Digital voltmeter reading
0.65 ± 0.05 V
5.2 ± 0.5 V
Adjustment
CT4
check
AEP/UK/Canadian model ( ) : Canadian model
MW/AM TRACKING ADJUSTMENT
Adjust for a maximum defection of level meter.
L3
CT3
621 kHz (620 kHz)
1,404 kHz (1,400 kHz)
AEP/UK/Canadian model ( ) : Canadian model
MW/AM RECEPTION FREQUENCY COVERAGE CHECK
Frequency indication
531 kHz
1,611 kHz
(530 kHz)
(1,710 kHZ)
Digital voltmeter reading
0.9 ± 0.3 V
5.0 ± 0.5 V
(0.85 ± 0.15 V)
(5.7 ± 0.5 V)
Adjustment
L4
check
AEP/UK model
LW TRACKING ADJUSTMENT
Adjust for a maximum defection of level meter.
L5
CT5
162 kHz
261kHz
AEP/UK/Canadian model
FM RECEPTION FREQUENCY COVERAGE CHECK
Frequency indication
87.5 MHz
108 MHz
Digital voltmeter reading
2.3 ± 0.1 V
5.2 ± 0.5 V
Adjustment
L2
check
AEP/UK/Canadian model
FM TRACKING ADJUSTMENT
Adjust for a maximum defection of level meter.
L1
CT1
87.5 MHz
108 MHz
FM Tracking
L1
CT1
L2
FM F Coverage
LW Tracking
CT5
L5
MW/AM
Tracking
L3
CT3
CT4
L4
MW/AM
F Coverage
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