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Galaxy Dx 55v no modulation

Posted: Friday 19th Jun 2009, 10:50
by smokinjoe
Radio Make and Model: Galaxy Dx 55v non mosfet version
PCB Number: 360014c
PLL Number:
Test gear available: volt meter,signal gen.,rf probe,watt meter
Symptoms: Radio has no modulation

What is working: PA works,receive is good,rf power output is good.

What has been tried: Tried different mic,changed mod.amps tr49,tr50,tr51. also checked volts on Ic4 and all volts check good.

Did it suddenly happen ?: yes
Anything else that may be of help?: Thanks for any help.

Re: Galaxy Dx 55v no modulation

Posted: Sunday 5th Jul 2009, 9:51
by ramblingman
ck c131 for shorts or o/c

Re: Galaxy Dx 55v no modulation

Posted: Tuesday 4th Aug 2009, 21:51
by HubbenTo
check vr14, I had a bad trim pot.

TNX for the help,
nomadradio
CBTricks Supporter