Sony CFD-E100WHITE Service Manual page 17

TUNER SECTION
[AM]
Setting:
Function: RADIO
Band: AM
Put the lead-wire
AM RF signal
antenna close to
generator
the set.
30% amplitude
modulation by
400 Hz signal
Output level:
as low as possible
[FM]
Setting:
Function: RADIO
Band: FM
TU board
FM RF signal
TP (ANT)
generator
0.01 µ F
set
75 kHz frequency
deviation by 1 kHz
TU board
signal
TP (GND)
Output level:
as low as possible
TU board
100 k Ω
TP (VT)
TP (GND)
• Repeat the procedures in each adjustment several times, and
the tracking adjustments should be finally done by the trimmer
capacitors.
• Remove FM antenna in FM adjustment.
0 dB=1 µV
HEADPHONE
TRANSLATION board
CN361 pin 4
level meter
3.2 Ω
+
set
–
HEADPHONE
TRANSLATION board
CN361 pin 3
HEADPHONE
TRANSLATION board
CN361 pin 4
level meter
3.2 Ω
+
–
HEADPHONE
TRANSLATION board
CN361 pin 3
digital voltmeter
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter
T1
AM CV VOLTAGE ADJUSTMENT (CFD-E100 only)
Adjustment Part Frequency Display Reading on Digital Voltmeter
L4 530 kHz (531 kHz)
1,710 kHz
Confirmation
(1,611 kHz)
LW CV VOLTAGE ADJUSTMENT (CFD-E100L only)
Adjustment Part Frequency Display Reading on Digital Voltmeter
L4 153 kHz
Confirmation 279 kHz
MW CV VOLTAGE ADJUSTMENT (CFD-E100L only)
Adjustment Part Frequency Display Reading on Digital Voltmeter
Confirmation 531 kHz
Confirmation 1,611 kHz
AM TRACKING ADJUSTMENT (CFD-E100 only)
Adjust for a maximum reading on level meter
L3
CT3
MW TRACKING ADJUSTMENT (CFD-E100L only)
Adjust for a maximum reading on level meter
L3-1
CT3
LW TRACKING ADJUSTMENT (CFD-E100L only)
Adjust for a maximum reading on level meter
L3-2
CT5
FM IF ADJUSTMENT
Adjust for a minimum reading on level meter
T2
FM CV VOLTAGE ADJUSTMENT
Adjustment Part Frequency Display Reading on Digital Voltmeter
L2 108 MHz
Confirmation 87.5 MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L1
CT1
Adjustment Location: TU board (See page 18)
CFD-E100/E100L
Ver. 1.1
450 kHz
( ): Singapore, Taiwan, Korean model
1.0 ± 0.05 V
5.3 ± 0.7 V (4.8 ± 0.7 V)
0.6 ± 0.05 V
5.3 ± 0.7 V
0.9 ± 0.4 V
5.2 ± 0.5 V
( ): Singapore, Taiwan, Korean model
620 kHz (621 kHz)
1,400 kHz (1,404 kHz)
621 kHz
1,404 kHz
162 kHz
261 kHz
10.7 MHz
3.0 ± 0.2 V
1.3 ± 0.3 V
87.5 MHz
108 MHz
17