Read Sony CFD-S350 / CFD-S350L Service Manual online
15
CFD-S350/S350L
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter
T1
450 kHz
AM FREQUENCY COVERAGE ADJUSTMENT (CFD-S350)
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L4
531 kHz
1.0
±
0.05 V
Confirmation
1,611 kHz
4.8
±
0.7 V
AM TRACKING ADJUSTMENT (CFD-S350)
Adjust for a maximum reading on level meter
L3
621 kHz
CT3
1,404 kHz
MW FREQUENCY COVERAGE CONFIRMATION (CFD-S350L)
Frequency Display
Reading on Digital Voltmeter
531 kHz
0.9
±
0.4 V
1,611 kHz
5.2
±
0.5 V
MW TRACKING ADJUSTMENT (CFD-S350L)
Adjust for a maximum reading on level meter
L3-1
621 kHz
CT3
1,404 kHz
LW FREQUENCY COVERAGE ADJUSTMENT (CFD-S350L)
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
Confirmation
153 kHz
0.6
±
0.05 V
L4
279 kHz
5.3
±
0.5 V
LW TRACKING ADJUSTMENT (CFD-S350L)
Adjust for a maximum reading on level meter
L3-2
162 kHz
CT5
261 kHz
FM IF ADJUSTMENT
Adjust for a minimum reading on level meter
T2
10.7 MHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L2
108 MHz
3.0
±
0.2 V
Confirmation
87.5 MHz
1.3
±
0.3 V
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L1
87.5 MHz
CT1
108 MHz
Adjustment and Connecting Location:
TUNER and MAIN board (See page 16)
TUNER and MAIN board (See page 16)
TUNER SECTION 0 dB = 1
µ
V
[AM]
Setting:
Function: RADIO
Band: AM or MW or LW
Function: RADIO
Band: AM or MW or LW
[FM]
Setting:
Function: RADIO
BAND button: FM
Function: RADIO
BAND button: FM
• Repeat the procedures in each adjustment several times, and the
tracking adjustments should be finally done by the trimmer ca-
pacitors.
pacitors.
• Remove FM antenna in FM adjustment.
AM RF signal
generator
30% amplitude
modulation by
400 Hz signal
Output level:
as low as possible
modulation by
400 Hz signal
Output level:
as low as possible
Put the loop
antenna close to
the set.
antenna close to
the set.
+
–
–
level meter
set
32
Ω
MAIN board
KH301 pin
KH301 pin
2
MAIN board
KH301 pin
KH301 pin
1
FM RF signal
generator
75 kHz frequency
deviation by 1 kHz
signal
Output level:
as low as possible
deviation by 1 kHz
signal
Output level:
as low as possible
+
–
–
level meter
MAIN board
KH301 pin
KH301 pin
2
MAIN board
KH301 pin
KH301 pin
1
set
32
Ω
0.01
µ
F
TUNER board
TP (GND)
TP (GND)
TUNER board
TP-ANT(JW2)
TP-ANT(JW2)
digital voltmeter
TP (CV)
TP (GND)
100 k
Ω
TUNER board
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