AOR AR1000 Manuel de service Page 1

Icom IC-R1: The ultimate review, modification & restoration guide. From Jason Reilly Icom’s IC-R1: 0.1 to 1300 MHz in your pocket.

The end results are bright & clear: Fix that selectivity issue: Difficulty: advanced. Now, things start to get a bit more serious. Let’s im

De-solder the two end pins first. Go easy, don't apply too much heat, and use a small de-soldering braid or wick to remove as much solder from

Installing the new filter is going to be fiddly too, since there are other PCBs sitting vertically around it on the top side of the main board. Fi

would be more appropriate. As always, there's a trade-off: the more narrow a filter you use, the less hi-fi the resulting audio sounds. A filte

Fitting the new filter and soldering it in place is a little tricky – cut the new filter legs to the same length as the filter you just removed, and

A more funky Function: Difficulty: moderate to easy. Another mod that can be performed is to change the action of the 'Function' butto

Expanding your mind: Difficulty: impossible. What about other mods? Could the measly 100 memory channels be improved upon? Sorry, that isn&apo

available a code simulator to test your new code on a PC first, and once happy with that you can then 'blow' your new code onto a brand new

Make me faster: Difficulty: moderate. Another mod that I like to experiment with is increasing the scan speed of the radio. Sometimes you can i

contact for you to use as you wish. The 'tip' is used for the line out signal, the 'sleeve' for ground, leaving the 'ring&ap

Some of the things my dad would do, I couldn't quite understand as a young boy. Trained as a motor mechanic, dad would buy complete wrecks of c

It's important that you capacitively couple the BFO signal into the IC-R1 – use a small 100pF capacitor on the output of your external BFO to pr

Mini BFO schematic The built circuit, using SMD components as far as possible. Note the standard ¼ watt 10M ohm resistor – SMD resistors of this

for weak to moderately strong SSB signals; strong SSB signals will distort just a little. If you regularly receive very strong SSB signals, the 220k

Difficulty: moderate. Being nearly 25 years old, it’s a fair bet that most Icom IC-R1s will be in need of a new internal battery pack. These can

Available accessories for the Icom IC-R1: Icom scanners typically have a wide variety of accessories available to enhance your user experience with

Two Icom IC-R1s: on left with standard FA-4B antenna and no extension battery, on right with optional BC-90 battery case with 6xAA batteries. A clo

With Icom’s HM-46L: Is it a scanner, or is it a transceiver? Common faults on the IC-R1 An Icom IC-R1 that won't turn on is probably a pr

solder field that connects the keyboard PCB with the logic board – over time they can fracture. A magnifying glass or similar is invaluable to inspec

Comparisons with another micro-sized receiver: I thought it might be a little bit of fun to see how gracefully the IC-R1 has aged, and put it up for

How about a little singing competition? Which one can shout the loudest? If we go on specifications alone, the Icom's 150mW wins handily over

other wideband scanners, the R1 becomes quite deaf towards the edges of it's frequency coverage. The built-in battery pack that sits behind the

quite right on the IC-R1 is the squelch action. Normally, squelch action is very definite, and you can set the squelch control to a ‘knife edge’ on m

pleasant experience on the little Icom. In laboratory conditions, the IC-R1 is still decently sensitive at HF, yet it is barely adequate to listen t

have lost yours, non-original replacements can be purchased on the internet. To get the exterior looking good again, a soft damp cloth and some pati

How to correctly open the IC-R1 case: Carefully pull apart the case halves, and you'll note the two are joined by some flexible ribbon cable.

screws holding the mainboard to the aluminium back case half as indicated here: Then the mainboard can be carefully pulled out and away from the bac

colour choice, but it is a logical one: the peak vision response of the human eye is to the colour green, and so use of that colour for backlighting i