CFD-F10, CFD-F10L - Sony Audio Service Manual (repair manual). Page 16

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16
CFD-F10/F10L
digital
voltmeter
100 k
Ω
TP (VT)
i
 jack (J321)
set
32 
Ω
level meter
(range: 0.5–5 V ac)
Put the lead-wire
antenna close to
the set.
AM RF signal
generator
TP (FM IN)
FM RF signal
generator
0.01 
µ
F
set
  TUNER SECTION     0 dB = 1 µV
• AM Section

Setting:
RADIO BAND•AUTO PRESET button: MW or LW
75 kHz frequency
deviation by 1 kHz signal
output level : as low as possible
• FM Section

Setting:
RADIO BAND•AUTO PRESET button: FM
30% amplitude
modulation by
400 Hz signal
• Connecting Level Meter (FM, MW and LW)
MW IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
450 kHz
MW FREQUENCY COVERAGE
CHECK
Frequency Display
531 kHz
1,611 kHz
Reading on Digital voltmeter
1.0 ± 0.5 V
5.2 ± 0.6 V
Adjustment Part
<confirmation> <confirmation>
MW TRACKING  ADJUSTMENT
Adjust for a maximum reading on level meter.
L3-1
CT3
621 kHz
1,404 kHz
LW FREQUENCY COVERAGE
ADJUSTMENT
Frequency Display
153 kHz
279 kHz
Reading on Digital voltmeter
0.6 ± 0.3 V
5.0 ± 0.1 V
Adjustment Part
<confirmation>
L4
LW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3-2
CT5
162 kHz
261 kHz
FM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T2
10.7 MHz
FM FREQUENCY COVERAGE
ADJUSTMENT
Frequency Display
87.5 MHz
108 MHz
Reading on Digital voltmeter
1.3 ± 0.3 V
3.0 ± 0.2 V
Adjustment Part
<confirmation>
L2
FM TRACKING  ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
CT1
87.5 MHz
108 MHz

Adjustment Location: See page 17.
• Connecting Digital Voltmeter (FM, MW and LW)
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.

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