SONY CFSB5SMK2 Repair Manual

4-2. TUNER SECTION 0 dB = 1 mV
FM FREQUENCY COVERAGE ADJUSTMENT
Y FM Section
Adjust for a maximum reading on level meter.
Setting:
BAND switch: FML2CT2
86.5 MHz (87.35 MHz)109.5 MHz (107.8 MHz)
FM RF signal
generator
FM TRACKING ADJUSTMENT
telescopic antenna
input
Adjust for a maximum reading on level meter.
0.01 ?F
L1CT1
set
86.5 MHz (87.35 MHz)109.5 MHz (107.8 MHz)
22.5 kHz frequency
deviation by 400 Hz signal
output level : as low as possibleFM IF ADJUSTMENT
T1
Y MW Section10.7 MHz
Setting:
BAND switch: MWMW FREQUENCY COVERAGE ADJUSTMENT
AM RF signalAdjust for a maximum reading on level meter.
Put the lead-wire
generator
antenna close toL8CT4
the set.
520 kHz (516 kHz)1,680 kHz (1,640 kHz)
MW TRACKING ADJUSTMENT
30% amplitudeAdjust for a maximum reading on level meter.
modulation by 400 Hz signal
L3CT3
output level : as low as possible
620 kHz1,400 kHz
Y SW Section
AM IF ADJUSTMENT
Setting:
BAND switch: SW1 or SW2Adjust for a maximum reading on level meter.
FINE TUNE control: mechanical mid
T2
AM RF signal455 kHz
generator
telescopic antennaSW1 FREQUENCY COVERAGE ADJUSTMENT
input
11 PFAdjust for a maximum reading on level meter.
setL6CT6
30% amplitude2.2 MHz7.3 MHz
modulation by 400 Hz signal
output level : as low as possible
SW1 TRACKING ADJUSTMENT
level meterAdjust for a maximum reading on level meter.
(range: 0.5 � 5 V ac)
L5
32 1
2.25 MHz
set
SW2 FREQUENCY COVERAGE ADJUSTMENT
phones jackAdjust for a maximum reading on level meter.
L4CT8
6.8 MHz22.5 MHz
Y Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
SW2 TRACKING ADJUSTMENT
done by the trimmer capacitors.
Y Remove telescopic antenna in FM section adjustments. Adjust for a maximum reading on level meter.
L7
7 MHz
( ) : Saudi Arabia model
Adjustment Location: See page 10.
� 9 �