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Alignment Procedures
* Before making adjustment,operate the appliance for more than 2 minutes.
* Note: 1.0 dB=1hV
2. FM 100% Mod. =75kHz Dev.
3. DVM= Digital Volt Meter
4. SG=Signal Generator
5.SSG= Stereo Signal Generator
1. AM Adjustment
e Selector SW. ____ Tuner, AM
¢ In case of 2 band appliance(AM/FM).
Feed Signal
Setting
Measure
Adujst
Adujst
|
From
_'To | Appliance
' Output
Point
For
520kHz
*1)
Connect DVM__}
L102
DC 1.2+0.2V
520kHz
to TP1
1710kHz
*2)
TC102
| DC9.0+0.2V
| 1611kHz
1710kHz
(8.6+0.2V
e Repeat the step *1) and *2) until DVM reads the tuning voltage mentioned above.
e In case the freq. is 9kHz, the freq. of AM SG and appliance should be changed to *1) 522 kHz
|
*2)1611 kHz
AM IF
:
Connect IF
L105
Symmetrical
Genescope
Genescope
(IFT)
curve on AM
IF Genescope
*1) AM SG
ANT. | 600kHz
Output Connect | L101
Maximize
600kHz, 74dB
AC Voltmeter &
audio output
400Hz (30% MOD.)
Oscilloscope
*2) AM SG
ANT. | 1400kHz
TC101
1400kHz, 74dB
400Hz (30% MOD.)
* Feed Signal should be fed to Loop ant. through the TEST Loop ant., 60cm distant from the
appliance
© Repeat the step *1) & *2) until no further improvement occurs.
® In case the freq. is 9kHz, the freq. of AM SG and appliance should be changed to*1) 603 kHz
*2)1404 kHz
Tuned
AM SG
VR101 | 'Tuned'
In FL
Level
1000kHz, 80dB
Light on
Display
400Hz (30% mod.)
Tuning
Voltage
RF
3.
Tuning
2. FM Adjustment
e Selector SW. ___. TUNER, FM (Mono/Stereo)
e Deviation ______
USA/CANADA (75 kHz Dev.)
EUROPE (40 kHz Dev.)
Feed Signal
Setting
Measure
Appliance
Output
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