Galaxy Dx 55v no modulation

[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]

ck c131 for shorts or o/c

[HubbenTo]

check vr14, I had a bad trim pot.

TNX for the help,
nomadradio
CBTricks Supporter