Sony CFD-S03CP - Tuner Section

14
CFD-S03CP/S03CPL
TUNER SECTION 0 dB = 1 µV
[AM (MW/LW)]
Setting:
Function: RADIO/BAND/AUTO PRESET
Band: MW or LW
[FM]
Setting:
Function: RADIO/BAND/AUTO PRESET
BAND button: FM
• Connecting Digital Voltmeter (FM, MW and LW)
•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.
+
–
i jack (J321)
AM RF signal
generator
30% amplitude
modulation by
400 Hz signal
Output level:
as low as possible
Put the loop
antenna close to
the set.
level mete
r
set
32
Ω
set
i jack (J321)
FM RF signal
generator
75 kHz frequency
deviation by 1 kHz
signal
Output level:
as low as possible
level meter
32
Ω
0.01 µ F
MAIN board
TP ANT2 (JW231, 232)
+
–
digital voltmete
r
TP (VT)
TP (GND)
100 k
Ω
MAIN board
AM (MW/LW) IF ADJUSTMENT
Adjust for a maximum reading on level meter
T1 450 kHz
LW FREQUENCY COVERAGE ADJUSTMENT (AEP)
Adjustment Part Frequency Display Reading on Digital Voltmeter
L3 279 kHz 5.3 ± 0.5 V
Confirmation 153 kHz 0.6 ± 0.05 V
LW TRACKING ADJUSTMENT (AEP)
Adjust for a maximum reading on level meter
ANT1-2 162 kHz
CT5 261 kHz
MW FREQUENCY COVERAGE ADJUSTMENT (AEP)
Adjustment Part Frequency Display Reading on Digital Voltmeter
Confirmation 531 kHz 0.9 ± 0.2 V
Confirmation 1,611 kHz 5.5 ± 0.5 V
MW FREQUENCY COVERAGE ADJUSTMENT
(EXCEPT CND, AEP, E92, MX)
Adjustment Part Frequency Display Reading on Digital Voltmeter
L3 531 kHz 0.8 ± 0.05 V
Confirmation 1,611 kHz 5.0 ± 0.5 V
MW FREQUENCY COVERAGE ADJUSTMENT (CND, E92, MX)
Adjustment Part Frequency Display Reading on Digital Voltmeter
L3 530 kHz 0.8 ± 0.5 V
Confirmation 1,710 kHz 5.8 ± 0.05 V
MW TRACKING ADJUSTMENT (EXCEPT CND, E92, MX)
Adjust for a maximum reading on level meter
ANT1-1 621 kHz
CT3 1,404 kHz
MW TRACKING ADJUSTMENT (CND, E92, MX)
Adjust for a maximum reading on level meter
ANT1-1 620 kHz
CT3 1,400 kHz
FM IF ADJUSTMENT
Adjust for a minimum reading on level meter
L6 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 1.5 ± 0.5 V
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L1 87.5 MHz
CT1 108 MHz
Adjustment and Connecting Location:
MAIN board (See page 15)
•Abbreviation
CND : Canadian model
E92 : AC 120V area in E model
MX : Mexican model
Ver. 1.2