cobra 148 gtl
cobra 148 gtl
i have a cobra 148 gtl, 8719 pll, pcb# ept148112, this radio was made in malaysia in 1995. i have no receive, no transmit on am & ssb. no in coming signal. no movement on the meter. the red & green lite doesn't come on. the pa works, i hear audio when i talk into the mic. I didn't do anything on this radio so far. i would appreciate if someone can give me a hand with this radio. galaxy
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- Technical Helper
- Posts: 331
- Joined: Sunday 21st Jan 2007, 16:35
- Location: mississippi
Re: Cobra 148 gtl Dead
Sounds like IC4 (MB3756) is dead, also check TR35 (2SC945) and D55.
Rick.
Rick.
cobra 148 gtl
thank you for your reply. i changed ic 4 3756, tr 35, d55 still no luck. galaxy
Re: Cobra 148 gtl Dead
Ok then what is the voltages at IC4 Pins 1,2,5,6 and 8 in RX and TX.
Rick.
Rick.
cobra 148 gtl
thank you, rick i burnt the trace this one is junk.... i will try a different radio? galaxy