Read Sony CFS-515S Service Manual online
– 9 –
TUNER SECTION
0dB=1
µ
V
• Switch location
FUNCTION switch
• • • • • • • • • • • • • • • • •
RADIO
PRESET MODE
• • • • • • • • • • • • • • • • • • • • •
MANUAL
GRAPHIC EQUALIZER
• • • • • • • •
center click
BALANCE
• • • • • • • • • • • • • • • • • • • • • • • • • • • • •
center click
VOLUME
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
MAX
MEGA BASS
• • • • • • • • • • • • • • • • • • • • • • • • •
mechanical center
MW Section
Procedure :
BAND switch
: MW
FINE TUNING control : mechanical center
SW Section
Procedure :
BAND switch
: SW1, SW2
FINE TUNING control : mechanical center
FM Section
Procedure :
BAND switch
: FM
FINE TUNING control : mechanical center
• 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.
no mark
: COM
< > : Saudi Arabia model
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
455kHz
MW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L4
520kHz
< 516kHz >
CT4
1,680kHz
< 1,630kHz >
MW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
600kHz
CT3
1,400kHz
SW1 FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L6
2.2MHz
CT6
7.3MHz
SW1 TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L5
2.2MHz
CT5
7.3MHz
SW2 FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L8
6.8MHz
CT8
22.5MHz
SW2 TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L7
6.8MHz
CT7
22.5MHz
FM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T2
10.7MHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L2 <L21>
86.5MHz
< 87.35MHz >
CT2
109.5MHz
< 107.8MHz >
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
86.5MHz
< 87.35MHz >
CT1
109.5MHz
< 107.8MHz >
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.
AM RF signal
generator
generator
telescopic
antenna
terminal
antenna
terminal
12PF
30% amplitude modulation
by 400Hz signal.
Output level : as low as possible
by 400Hz signal.
Output level : as low as possible
FM RF signal
generator
generator
telescopic
antenna
terminal
antenna
terminal
0.01
µ
F
22.5kHz frequency deviation
by 400Hz signal.
Output level : as low as possible
by 400Hz signal.
Output level : as low as possible
set
32
Ω
phones jack
level meter
Adjustment Location : Tuner board (page 10)
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