CFS-B5L MK2 - Sony Audio Service Manual (repair manual). Page 9

Read Sony CFS-B5L MK2 Service Manual online

– 9 –
4-2. TUNER SECTION     0 dB = 1 µV
• FM Section

Setting:
BAND switch: FM
22.5 kHz frequency
deviation by 400 Hz signal
output level : as low as possible
• MW/LW Section

Setting:
BAND switch: MW or LW
30% amplitude
modulation by 400 Hz signal
output level : as low as possible
• SW Section

Setting:
BAND switch: SW
FINE TUNE control: mechanical mid
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L2
CT2
64 MHz
109.5 MHz
FM TRACKING  ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
CT1
64 MHz
109.5 MHz
FM IF ADJUSTMENT
T1
10.7 MHz
MW TRACKING  ADJUSTMENT
Adjust for a maximum reading on level meter.
L3-1
CT3
620 kHz
1,400 kHz
MW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L8
CT4
520 kHz
1,680 kHz
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T2
455 kHz
LW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L4
CT8
145 kHz
300 kHz
LW TRACKING  ADJUSTMENT
Adjust for a maximum reading on level meter.
L3-2
CT7
160 kHz
260 kHz
SW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L6
CT6
5.8 MHz
18.4 MHz
SW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L5
CT5
5.9 MHz
18.2 MHz

Adjustment Location: See page 10.
FM RF signal
generator
telescopic antenna
input
set
0.01 
µ
F
Put the lead-wire
antenna close to
the set.
AM RF signal
generator
30% amplitude
modulation by 400 Hz signal
output level : as low as possible
AM RF signal
generator
telescopic antenna
input
set
11 PF
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
• Remove telescopic antenna in FM section adjustments.
2
 jack (J301)
set
32 
Ω
level meter
(range: 0.5 – 5 V ac)
Display
Click on the first or last page to see other CFS-B5L MK2 service manuals if exist.
Random: