Galaxy Dx 55v no modulation

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smokinjoe
Light User
Light User
Posts: 114
Joined: Thursday 12th Apr 2007, 7:55
Location: Virginia

Galaxy Dx 55v no modulation

Post 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.
ramblingman
Technical Helper
Technical Helper
Posts: 331
Joined: Sunday 21st Jan 2007, 16:35
Location: mississippi

Re: Galaxy Dx 55v no modulation

Post by ramblingman »

ck c131 for shorts or o/c
HubbenTo
Newbie
Newbie
Posts: 5
Joined: Saturday 20th Sep 2008, 2:57
Location: Sweden

Re: Galaxy Dx 55v no modulation

Post by HubbenTo »

check vr14, I had a bad trim pot.

TNX for the help,
nomadradio
CBTricks Supporter
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