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Service Manual
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ALIGNMENT TRANSMITTER
1- Alignment procedure(13,2V;configuration’’EU,E’’)
STEP CONDITION ADJUSTMENT REMARKS OF ADJUSMENT
1
AM(EU)
Channel 20
2
FM(EU)
Channel 20
3
FM(EU)
Mod
30mV 1 KHz
CH20
4
AM(EU)
Mod
30mV 1KHz
CH20
5
AM(E)
Mod
30mV 1KHz
CH20
RT202(LOW)
RT203(HI)
RT206(DEV)
RT204(AMC)
RT205(ALC)
Connect a wattmeter to jack antenna,
adjust RT202 to reach 1W on the
wattmeter.
Connect a wattmeter to jack antenna,
adjust RT203 to reach 4W on the
wattmeter.
Adjust RT206 to reach +/- 1,2KHz of
deviation.
Adjust RT204 to reach +/- 90% of
modulation.
Adjust RT205 to reach +/- 90% of
modulation.
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ALIGNMENT RECEIVER
1- Alignment procedure(13,2V;configuration’’EU,E,d’’)
STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT
1
AM(EU,E)
Channel 20
Middle Volume
level
No Squelch active
2
Channel 20
Middle volume
level
No Squelch active
3
Channel 20
Middle volume
level
No Squelch active
FM(EU,E)
AM(EU,E)
L1-L3-L6
L7-L8-L9-L10
L-11
RT2(8-METER)
Connect HF generator to jack antenna
adjusted at (-107dBm 1KHz 60%)
connect sinad meter to jack EXT speaker
and adjust coils for maximum sensitivity
(>20dB sinad).
Connect HF generator to jack antenna
adjusted at (-107dBm 1KHz 1,2 KHz
Dev), connect sinad meter to jack EXT
speaker and adjust L-11 for maximum
sensitivity (20dB sinad).
Connect HF generator to jack antenna
adjusted at (-67dBm 1KHz 60%) and
adjust RT2 so that S9 on Smeter.
4
Channel 20
Middle volume
level
Squelch maximum
clockwise
5
AM(EU,E)
Channel 20
Middle volume
level
Squelch maximum
counterclockwise
(ASC)
AM(EU,E)
RT1(SQ)
RT401(ASC)
Connect HF generator to jack antenna
adjusted at (-47dBm 1KHz 60%) and
adjust RT1 so that the signal is audible.
Connect HF generator to jack antenna
Connect sinad meter to jack EXT speaker
adjust the output level of HF generator
and adjust RT401 to reach at the opening
ASC a sinad of 17dB+/-2dB.
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