Read Sony CFD-S40CP Service Manual online
14
CFD-S40CP
MW/LW IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
455kHz
( ): AEP, UK
AM (MW) FREQUENCY COVERAGE CHECK
Frequency Display
530 kHz
1,710 kHz
(531 kHz)
(1,611 kHz)
Reading on Digital voltmeter
1.0 (0.8)
+ 0.7 V
4.8 (5.0)
+ 1.2 V
– 0.5 V
– 0.6 V
Adjustment Part
<confirmation>
<confirmation>
( ): AEP, UK
AM (MW) TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L4 (L3)
CT3
620 kHz (621 kHz)
1,400 kHz (1,404 kHz)
LW FREQUENCY COVERAGE ADJUSTMENT (AEP, UK)
Frequency Display
153 kHz
279 kHz
Reading on Digital voltmeter
0.7
+ 0.3 V
5.0
± 0.1 V
– 0.4 V
Adjustment Part
<confirmation>
L4
LW TRACKING ADJUSTMENT (AEP, UK)
Adjust for a maximum reading on level meter.
L3
CT5
162 kHz
261 kHz
FM FREQUENCY COVERAGE ADJUSTMENT
Frequency Display
87.5 MHz
108 MHz
Reading on Digital voltmeter
1.6
± 0.4 V
4.0
± 0.3 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 : Main board (See page 15)
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
done by the trimmer capacitors.
TUNER SECTION
AM Section
Function switch : AM (US, Canadian, Korean, Taiwan)
MW or LW (AEP, UK)
Volume
: MIN
FM Section
Function switch : FM
Volume
Volume
: MIN
• Connecting Level Meter (FM and AM)
• Connecting Digital Voltmeter (FM and AM)
AM RF signal
generator
generator
30% amplitude modulation by 400Hz
signal.
Output level : as low as possible
signal.
Output level : as low as possible
Put the lead-wire
antenna close to
the set.
antenna close to
the set.
FM RF signal
generator
generator
22.5kHz frequency deviation by
1kHz signal.
Output level : as low as possible
1kHz signal.
Output level : as low as possible
telescopic
antenna
terminal
antenna
terminal
0.01
µF
0dB = 1
µV
i
jack
set
32
Ω
level meter
(range: 0.5–5 V ac)
(range: 0.5–5 V ac)
digital
voltmeter
voltmeter
100 k
Ω
TP (VT)
(JW17)
(JW17)
Ver 1.1 12001.07
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