Read Sony CFS-515L 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 (LW)
FINE TUNING control : mechanical center
SW Section
Procedure :
BAND switch
: SW
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.
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
CT4
1,680kHz
MW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
600kHz
CT3
1,400kHz
SW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L6
5.8MHz
CT6
18.4MHz
SW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L5
5.8MHz
CT5
18.4MHz
LW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L8
145kHz
CT8
300kHz
LW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L7
160kHz
CT7
260kHz
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
64.0MHz
CT2
109.5MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
68.0MHz
CT1
102.0MHz
Adjustment Location : TUNER board (Page 10)
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
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