Tuner Section - Aiwa CA-V100 Service Manual

Vcd stereo radio cassette recorder e model
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CA-V100
QQ
3 7 63 1515 0

TUNER SECTION

0 dB = 1 µV
• FM Section
Setting:
BAND button: FM
FM RF signal
generator
75 kHz frequency
deviation by 1 kHz signal
output level : as low as possible
• AM Section (MW)
Setting:
BAND button: MW
AM RF signal
generator
30% amplitude
modulation by
400 Hz signal
• AM Section (SW1, SW2)
Setting:
TE
L 13942296513
BAND button: SW1 or SW2
AM RF signal
generator
30% amplitude
modulation by
400 Hz signal
• Connecting Level Meter (FM, MW, SW1 and SW2)
8 Ω
set
PHONES jack (J351)
• Connecting Digital Voltmeter (FM, MW, SW1 and SW2)
100 kΩ
www
TP (VT)
.
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
18
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CN001 (FM IN)
0.01 µ F
set
Put the lead-wire
antenna close to
the set.
CN001
33 Ω
8pF
set
level meter
(range: 0.5–5 V ac)
digital
voltmeter
x
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y
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8
FM VT ADJUSTMENT
Frequency Display
Reading on Digital voltmeter
Adjustment Part
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
MW IF ADJUSTMENT
Adjust for a maximum reading on level meter.
MW VT ADJUSTMENT
Frequency Display
Reading on Digital voltmeter
Adjustment Part
MW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L003
621 kHz
Q Q
3
6 7
1 3
SW1 VT ADJUSTMENT
Frequency Display
Reading on Digital voltmeter
Adjustment Part
SW1 TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L61
3.2 MHz
SW2 VT ADJUSTMENT
Frequency Display
Reading on Digital voltmeter
Adjustment Part
SW2 TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L67
9.5 MHz
Adjustment Location: See page 19.
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.
2 9
9 4
2 8
87.5 MHz
1.75 ± 0.1 V
L006
L005
87.5 MHz
L983
455 kHz
531 kHz
1.5 ± 0.1 V
L998
TC001
1,404 kHz
1 5
0 5
8
2 9
9 4
3.2 MHz
1.9 ± 0.05 V
L997
TC61
7.3 MHz
9.5 MHz
2.2 ± 0.1 V
L996
TC62
21.85 MHz
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co
9 9
2 8
9 9

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