Durabrand MD-K400, Руководство по обслуживанию, Страница: 13 / 58

MD-K400
12
TRACKING-AM
Irradiate a AM sweeping to the ferrite antenna.
Tunning in 600 kHz and adjust the coil ANT-AM (T.102) to obtain maximum
output signal.
Tunning in 1400 kHz and adjust VC.101 to obtain maximum output signal.
Remake the adjust three times to obtain the best adjust point.
COMMENTS
The FM signal generator have be connected in the FM input through of DUMMY
DA-V.
The AM signal generator have be irradiated for a LOOP antenna and captured
by itself ferrite antenna of the device.
As much in the calibration of AM as in the one of FM, the used tool for calibrate
the coils have be of material not magnetic.
45 10
60
( 50 : 75 )
OSC. BIAS
Connect a VTVM in the point TP5 e TP6.
The VTVM output must be linked in a frequencymeter.
Put a tape with the unbroken rec constraint.
Select a AUX function whitout input signal.
Adjust T903 to obtain 59.068 Hz +/- 20Hz in the frequencymeter.
Verify if in the VTVM have a 0,035V signal.