— 9 —
Adjustment Location : See page 10.
4-2. TUNER SECTION
• FM Section
Setting :
BAND switch : FM
• MW Section
Setting :
BAND switch : MW
• SW Section
Setting :
BAND switch : SW1 or SW2
FINE TUNE control : mechanical mid
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally done
by the trimmer capacitors.
• Remove telescopic antenna in FM section adjustments.
0dB = 1µV
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on Level meter.
L1
86.5 MHz (87.35MHz)
CT1
109.5 MHz (107.8 MHz)
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on Level meter.
L2
86.5 MHz (87.35MHz)
CT2
109.5 MHz (107.8 MHz)
FM IF ADJUSTMENT
T1
10.7 MHz
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter
T2
455 kHz
30% amplitude
modulation by 400 Hz signal
output level : as low as possible
Put the lead-wire
antenna close to
the set.
AM RF signal
generator
30% amplitude
modulation by 400 Hz signal
output level : as low as possible
AM RF signal
generator
telescopic antenna
input
set
11 PF
phones jack
set
32
Ω
level meter
(range: 0.5 – 5 V ac)
22.5 kHz frequency
deviation by 400 Hz signal
output level : as low as possible
FM RF signal
generator
telescopic antenna
input
set
0.01
µ
F
MW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on Level meter.
L8
520 kHz (516 kHz)
CT4
1,680 kHz (1,640 kHz)
MW TRACKING ADJUSTMENT
Adjust for a maximum reading on Level meter.
L3
620 kHz
CT3
1,400 kHz
SW1 FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on Level meter.
L6
2.2 MHz
CT6
7.3 MHz
SW1 TRACKING ADJUSTMENT
Adjust for a maximum reading on Level meter.
L5
2.25 MHz
SW2 FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on Level meter.
L4
6.8 MHz
CT8
22.5 MHz
SW2 TRACKING ADJUSTMENT
Adjust for a maximum reading on Level meter.
L7
7 MHz
( ) : Saudi Arabia model
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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