home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
World of Ham Radio 1997
/
WOHR97_AmSoft_(1997-02-01).iso
/
mods
/
icom
/
ic04at08.doc
< prev
next >
Wrap
Text File
|
1997-02-01
|
859b
|
35 lines
ICOM IC-04AT
Expand Reception Range
Procedures:
1. Remove battery and antenna.
2. Remove case attach screws.
3. Remove chip diode D2.
4. Install diode across Diode D4 pads as shown
5. Re-assemble in reverse order.
Note: Adjust VCO for .5 VDC at lowest frequence. Measure at
VCO test points.
O ______ ______ ______
// D4 | D3 | | D2 | | D1 |
O O |------| |------| |------|
^DIODE (-) ______
^ | D8 |
|------|
----------------------------------------------------------------------
|----------|
| O |
| |
| O <-------ADJUST TO .5 VDC AT LOWEST FREQUENCE
| |
| |
| |
|----------|
O <-------TEST POINT