Icom IC-201 User Manual Download

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DL7MAJ, Oct 20

2015

Page 1 (21)

ICOM IC-201 Allmode Transceiver

Alignment Procedure

Please note: This procedure is reengineered by myself and may be not in accordance with
the original procedure from the manufacturer!

So I can´t accept any claims from anybody in case of injuries, problems, damages and losses.

Usage of this procedure is at own risk!

Of course you may ask me or give hints for improvement.

Summary of Contents for IC-201

Page 1: ...s procedure is reengineered by myself and may be not in accordance with the original procedure from the manufacturer So I can t accept any claims from anybody in case of injuries problems damages and losses Usage of this procedure is at own risk Of course you may ask me or give hints for improvement ...

Page 2: ...hat VOX doesn t trip search for the point where VOX trips without Modulation and set R50 shortly before this point 5 Check that for all modes FM USB LSB CW VOX doesn t trip without modulation 6 CAL switched on connect counter to CP1 Best use analog scope with Y output 7 Wait 1 minute 8 Adjust frequency to 2 500000 MHz ...

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Page 5: ... Module two clamps at each end 4 Tune in to L7 for maximum L2 to L5 are only accessible from bottom 5 Mount RF Module 6 If a big increase of sensitivity has been achieved then repeat adjustment of S Meter Look for GIF step 14 Note The resistor at the drain of Q1 18Ohm is a modification for damping oscillations in case of badly matches antennas ...

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Page 13: ...DL7MAJ Oct 20th 2015 Page 13 21 Remove plug connect A meter ...

Page 14: ...e of VFO with L1 to exactly 1000kHz use internal calibrator as reference 3 If you adjust L1 a realignment of the mechanical scale is necessary 4 Repeat 3 and 3 if necessary Be very careful Use plastic trimmers only otherwise destruction of L1 will result And you are a fool for the rest of you life ...

Page 15: ...DL7MAJ Oct 20th 2015 Page 15 21 De Installation of the VFO Sequence ...

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Page 21: ...DL7MAJ Oct 20th 2015 Page 21 21 If you want to contact the author Stefan Steger DL7MAJ eMail dl7maj darc de Homepage www dl7maj de ...