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I just picked up one of these with the 2290 final and was looking to re-align the radio. Does anyone have a service manual for this model. Thanks. -75

Re-solder the bottom of the 10.240MHz xtal and check it again

ok. thanks.

I have the one using the 2sc2290. The signal passes thru the amp when it is off and the signal does not pass thru when the amp power is on. You were sounding awesome coming into my receive the other day. You were walking the locals here...lol

Picked up one of these modulators. The relay works when I key the radio into it but I get absolutely no power output. I have tried 2 to 4 watts input drive to the amp The receive pre-amp button works and amplifies the receive, so the transistor is ok. ..just no power out. The variable pot on...

lol....would those "squeals" that you were hearing have been my Brownings? I have been setting a couple up on 38 LSB the last few days lmao. I had a few locals complaining so I went back down to channel 20 AM again...lol

Cool. Thank you for all your inputs. lol....Maybe I should put this amp on the back burner just for now. I have already re-capped the amp, LC. I thought that this would be a nice amp for my set of mark III's. I see it's kind of a odd ball amp the way it is laid out. But your all right in it...

Here is a pic with the bottom off.

I had this amp given to me for some work I performed. I wouldn't mind re-doing this amp but I cannot find any info on the net about it. I would like to know what tubes it uses, It only had one tube in it when I got it. Thanks.

Good working radio. I have owned 4 over the years. I'm sure you will be happy with yours. Only thing I did was upgrade the power supply.

Old 75 and Wolfman were stirring the pot on ch 20 am this afternoon from the Bam. We were talking everywhere from Florida up to NYC, Philly, Jersey and Michigan. I then slid up to 38 LSB and talked with our buddy, ENC Pirate for a bit. Skip was good today. Looks like game time.....so Roll Tide Y'all

The first thing I would do is re-check your bias settings and make sure they are correct.(May be too low) Then check your AM Lo carrier pot and AM Hi carrier pot and make sure they are adjusted correctly as per the alignment procedure. 1-3w on low 8-10w on high.

Nice going bud!

I talked skip for about 3 hrs on 38 LSB.. Worked over 50 stations. Mostly north of my location but did work a couple of mobiles in Texas. Sure was a trainwreck on the band today. After that I slid down to 20 AM side and worked more northern stations. So it was a great day!

See if you are still getting 5 to 20 w out of the radio if you unplug the brown and black wires at J22. This disconnects the amplifier.

Nomad. He said he manually keyed the relay and had RF output, He also stated that the finals were good. So that eliminates the RF chain. Problem seems to be in the keying circuit. It seems that keying the mic is not causing the relay to engage, yet when manually keyed it does and everything down...

Just spoke to a couple of fellas in Long Island NY on 38 LSB Gladiator unit 88 and unit 378. They live about 15 miles from each other.

When there is no skip rolling in on 38 LSB I usually hang down on channel 20 AM side and talk with the local guys. I heard this guy in Monterrey Mexico calling for me. Thought that was cool because I don't talk dx on AM. I went back up to 38 LSB after we talked, but it was dead quiet.

A little confusing.....

All I heard down here was Florida and it didn't last long. I tried to get back to 429 but then he was gone too.