galaxy melanka-tx meter reads wrong
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- Technical Helper
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galaxy melanka-tx meter reads wrong
hello forum,,,,i have a galaxy melanka base,,it has the ept-3600-14b pc board...the problem with this radio is that the tx meter pegs the right corner when transmit..vr-8 does not change this...you can set key as low as 1/2 watt and it still pegs the meter...so far i have changed vr-8,,i have checked d-86 and d-87 they both check good..i have replaced c-164,,no change...i am thinking of changing vr-8 from a 100k ohm variable resistor to a 500 k....any other ideas are appreciated..thanks in advance.......
Re: Galaxy melanka RF meter reads wrong
At the hot end of the pre-set with 4 to 5 watt output you should have about 4.5 to 4.7 VDC and at the meter you should have about 0.18 to 0.21 VDC.
I have see the cap C161 go faulty, you can get away with using a 1pF but no higher. If you have one of the diodes leaking under load, it will act as a voltage doubler
I have see the cap C161 go faulty, you can get away with using a 1pF but no higher. If you have one of the diodes leaking under load, it will act as a voltage doubler
Rick.
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- Technical Helper
- Posts: 331
- Joined: Sunday 21st Jan 2007, 16:35
- Location: mississippi