Sony CFD-F17CP Service Manual page 16

CFD-F17CP
TUNER SECTION
• AM Section
Setting:
RADIO BAND•AUTO PRESET button: MW or LW
AM RF signal
generator
30% amplitude
modulation by
400 Hz signal
• FM Section
Setting:
RADIO BAND•AUTO PRESET button: FM
FM RF signal
generator
75 kHz frequency
deviation by 1 kHz signal
output level : as low as possible
• Connecting Level Meter (FM, AM)
set
i jack (J321)
• Connecting Digital Voltmeter (FM, AM)
100 k Ω
TP (VT)
• Repeat the procedures in each adjustment several times, and
the frequency coverage and tracking adjustments should be
finally done by the trimmer capacitors.
16
0 dB=1 µV
Put the lead-wire
antenna close to
the set.
TP (ANT)
0.01 µ F
set
level meter
(range: 0.5–5 V ac)
32 Ω
digital
voltmeter
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
450 kHz
AM FREQUENCY COVERAGE CHECK
Frequency Display
Reading on Digital voltmeter
Adjustment Part
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
621 kHz
FM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
10.7 MHz
FM FREQUENCY COVERAGE ADJUSTMENT
Frequency Display
Reading on Digital voltmeter
Adjustment Part
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
87.5 MHz
Adjustment Location: See page 17.
T1
531 kHz 1,611 kHz
1.0 ± 0.5 V 5.2 ± 0.6 V
<confirmation> <confirmation>
CT3
1,404 kHz
T2
87.5 MHz 108 MHz
1.3 ± 0.3 V 3.0 ± 0.2 V
<confirmation> L2
CT1
108 MHz