Question about Radio Communications
Display screen flashes rapidly and no audio or TX. Any ideas please?
You posted your concern as generic with no specific brand or model. Flashing displays can mean a variety of things to different makes. Some of which are:
1. Low battery. Low memory battery;
2. Error in programming;
3. Error in firmware;
4. Fatal error in self-test/diagnosis;
5. Major component defect detected; and/or
6. Out of range/band.
In the same token, corrective measures can likewise be anything:
a. Recharge/replace battery;
b. Reprogram/reload program;
c. Update firmware/clone;
d. Run diagnostics using an external device (often a PC);
e. Determine which is at fault (finals, VCO, PLL, voltage regulator, replace);
f. Tune back to standard freq.
Most often (but not always), it can be also be corrected by doing a reset of the radio which can be:
i. Pressing FUNC (or some other button) while powering up;
ii. Pressing a recessed/hidden reset button;
iii. Placing a temporary jumper/shorting two (2) points (internally on the logic board);
iv. Remove battery/power (including internal if any);
v. Pressing a sequence of buttons to enter MENU/SETUP mode.
Hope that this be of some help/idea. Pls post back how things turned up or should you need additional information. Would appreciate also if you can specify brand/model/region.
Good luck and kind regards.
Posted on Jan 18, 2008
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Posted on Jan 02, 2017
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