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I have a first gen. (Orange display) 2950 that the receive bars are not working. They work on transmit. Any ideas? I have replaced all electrolytics in the circuit. IC1 was replaced and all transistors and diodes in the circuit check ok.

I have a 1st Gen. 2950 that transmits and receives...but not on frequency. In tx mode it transmits 23.154MHz no matter what channel your on. Im thinking the CPU is ok because the display reads correctly. My gut feeling says it may be something with the binary code from the encoder...but just...

This radio was intermittent from turning on. When I took the cover off, I noticed a orange broken wire hanging there. It comes off J101 on the bottom right side from the main board just below the meter with the front of the radio facing you. That jack has RED, ORANGE, YELLOW, WHITE wires coming...

I was wondering if there was a voltage chart for this radio? Have one that dead keys 40w, no variable power control and no AM modulation. I went to the series pass transistor (TIP36C) removed it from the circuit and it tests fine. Suspecting Q53 or Q56 smt. I have the service manual but it does...

I'm looking for the value of the RF choke on the upper deck. I took a pic of the part from another amp but need to replace the one in a different Scout 20 that burnt up. I searched everywhere and could not find a schematic.

Picked up a 2980WX with the (EPT-690010C board). The radio was functional BEFORE a main board recap was performed. After the recap, the radio would go into tx as soon as you powered it up. The frequency counter reads correctly but no channel display and no meter lamps. What I found was C112 has...

Just picked up a really nice Earnhardt edition that is missing its 10 pin audio IC. What comes in this model a TA7222AP or a KIA7217AP ? Anybody know for sure?

I had a friend drop off a Texas Star DX-500V for me to look at. The problem I found was the power trace that runs on the underside the front switches of the PCB was blown. I repaired that and the amplifier now turns on. I then proceeded to manually key the amp. The relay keys but the meter lamp...

I have a 959 that transmits and modulates fine. PA works. Problem is no sound on rx until it's a S-9 signal. Meter works fine just can't hear any sound until the signal is S-9 or above. Squelch control works. RF gain works. I thought it was something in the squelch circuit, but everything looks...

I have looked at this Cobra 29LTD. I found the problem at L23 (tx & 2nd IF peaking). I have my 10.24MHz going into L23, but do not have it coming out to go to pin 4 of IC3. I removed L23 and it has checked out ok. I pulled a L23 from a working 29 and soldered it into the radio I'm repairing. I...

I have a connex cx-3300HP that receives fine but does not measure any signal on my s meter. The s meter works fine in transmit. I have proper voltages on IC 1. My RF gain is working. D12 is fine. PIN diodes are fine. This thing has me stumped. Any assistance would be much appreciated....and...