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MAGNUM 257 REPAIR TIP 02 | Radioaficion Ham Radio

MAGNUM 257 REPAIR TIP 02

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CB Radio MAGNUM 257 REPAIR TIP

S/RF METER NOT WORKING IN LCD SCREEN

Merk : Magnum
Type : 257

Date : October 26,  2007


SDC Repair tip nr 2



Complaint:

Digital S/RF Meter not working

Description:

It seems that in a certain lot the digital S/RF meter on the LCD screen is not working.

What to do:

Locate the CPU reset board.
Make sure the radio is removed from all Voltage sources
Press and hold down for approx 10 seconds the tact switch, this resets the CPU and
S/RF meter will function again

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