ie:
•
Unsolder
the
main
&
offset
coils from the VCO board. Mark each coil as
main
and
offset
.
•
When Un-soldering, look at de-soldering points above; do not un-solder
former
mounting points.
•
Remember to cut glue off former mounting points. These are on the opposite side to the coil side. You
may have to heat up the glue to remove it.
•
Be careful of PCB pins, they bend and break easily.
•
Refit the old
main
coil into the
offset
’s coil position.
•
Strip all wire from the old offset coil. Remember which way the coil was wound.
•
Scrape off old glue from former with scalpel and fine file.
•
If
the
IF frequency is 21.4 MHz
then rewind with
8 turns
of same size of wire [150 mm length, 0.63mm].
[or 146mm of Leon’s enamel coated wire, 0.??mm] The same way as the old offset coil.
•
If
the
IF frequency is 10.7 MHz
then rewind with
8 turns
of same size of wire [150 mm length, 0.63mm].
[or 146mm of Leon’s enamel coated wire, 0.??mm] The same way as the old offset coil.
•
Refit the old
offset
coil [now 8 turns] into the
main
’s coil position.
•
Don’t forget to use a hot glue gun or other method of securing the two coil formers to the ceramic board.
Philips FM92E Conversion to 6 Meters: Version 3.9 Page
30
Содержание FM92E
Страница 19: ...Synthesiser Board Philips FM92E Conversion to 6 Meters Version 3 9 Page 19 ...
Страница 26: ...Receiver Board Philips FM92E Conversion to 6 Meters Version 3 9 Page 26 ...
Страница 50: ...FM91E PA Board above view Philips FM92E Conversion to 6 Meters Version 3 9 Page 50 ...
Страница 52: ...Philips FM92E Conversion to 6 Meters Version 3 9 Page 52 ...
Страница 54: ...Philips FM92E Conversion to 6 Meters Version 3 9 Page 54 ...
Страница 55: ...Philips FM92E Conversion to 6 Meters Version 3 9 Page 55 ...
Страница 79: ...40 6 Meter Antenna Philips FM92E Conversion to 6 Meters Version 3 9 Page 79 ...
Страница 82: ...31st July 2007 Continue with week 12th June 2007 Philips FM92E Conversion to 6 Meters Version 3 9 Page 82 ...
Страница 83: ...42 Philips FM91 Schematic Diagrams Philips FM92E Conversion to 6 Meters Version 3 9 Page 83 ...