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Basically, PRO-38 the layout is:
Rx D206 Q212 - - - - R250 | | | |-| 0 - - - ----------------------------- - | | | | - R229 | | | 100k | | - | | | | | | | IC201 | | | | | | | | | | | | | | | ----------------------------- Q212 is a transistor, R250 is a 0 Ohm jumper, D206 is a diode and IC201 is the CPU. The US service manual does not indicate what RF components to change if converting from European VHF LO to US VHF LO. Removing Rx should set the VHF LO plan to US. Removing D206 will probably keep the radio from scanning. Rx is probably a 0 Ohm jumper that connects IC201 pin 66 to ground. Pin 66 is the second one down from the top on the left side of IC201. You will need a Euro service manual to find out what RF components must be changed for good RF performance. A realignment would be needed as well. The ASCII drawing may look better if this message is copied to the clipboard and pasted into Notepad. It all depends on your browser. |
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