Sony CFS-B5SMK2, Руководство по обслуживанию

Страница: 9 / 23

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4-2. TUNER SECTION 0 dB = 1
µ
V
• FM Section
Setting:
BAND switch: FM
22.5 kHz frequency
deviation by 400 Hz signal
output level : as low as possible
• MW Section
Setting:
BAND switch: MW
30% amplitude
modulation by 400 Hz signal
output level : as low as possible
• SW Section
Setting:
BAND switch: SW1 or SW2
FINE TUNE control: mechanical mid
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L2 CT2
86.5 MHz (87.35 MHz) 109.5 MHz (107.8 MHz)
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1 CT1
86.5 MHz (87.35 MHz) 109.5 MHz (107.8 MHz)
FM IF ADJUSTMENT
T1
10.7 MHz
MW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L8 CT4
520 kHz (516 kHz) 1,680 kHz (1,640 kHz)
MW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3 CT3
620 kHz 1,400 kHz
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T2
455 kHz
SW1 FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L6 CT6
2.2 MHz 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 CT8
6.8 MHz 22.5 MHz
SW2 TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L7
7 MHz
( ) : Saudi Arabia model
Adjustment Location: See page 10.
FM RF signal
generator
telescopic antenna
input
set
0.01
µ
F
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
• 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.
phones jack
set
32
Ω
level meter
(range: 0.5 – 5 V ac)