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- Subject: Re: Standard C568A - TX Mod
- From: Larry Smith <Larry@g4oxy.demon.co.uk>
-
-
- STANDARD C568 TX MOD
- Open the radio with care. Remove the four screws at the back of the radio
- and remove the back remove 2 screws from the front of the metal plate
- at the bottom of the unit and open the front panel. Be careful not to
- pull the ribbon connectors. The logic board is on the back of the key pad.
-
- There locate VR281 and VR265 above is a copper screen. Remove the sub
- board located over the screen by gently pulling downwards. You then
- will have to lift back the copper screen lifting from the left side.
-
- Follow a line up from directly in between the two VRs approx 5mm above
- mounted horizontaly is a 47k chip resistor . Remove it. Reassemble and
- do a full reset. TX will now be activated wide band.
-
- Due to the extreme miniturisation the job is not easy. You will need an
- iron with a very small tip (battery powered) a good magnifying glass and
- 3 hands. I take no responsibility for this mod. Do it at your own risk.
- However it worked fine on mine.
-
- Larry G4OXY
-