Recent content by Techno1

Next radio is a connex 3300HP Radio has no tx and rx. There is audio in the speaker but no rf what so ever on a watt meter. There is also no reading on frequency counter. Like the pll is out of lock nothing and of course someone was in to the radio can tell the vco and other cans moved. So...

So i was able to fix the radio 100% and the echo board is working also. What i did was follow the schematic center out of the mic gain in front and feed the echo board and now radio has audio and echo with all functions. Something in the front face plate most likely a broken trace/wire. On to...

Im sure you are correct I think its the dimmer switch and the shrink tube is one with glue in side so Im going to let it stay. I was able to get the audio work by bypassing the echo board. On the schematic without echo board the center of the mic pot feeds resistor 202. So I jumped that and no...

Well i just did a bit more checking and audio is getting to the mic gain pot and back out to the Echo bd. With audio trace good clean audio and if I put the echo on that works also. Getting audio at all 3 red arrow locations Not getting any audio in the the rf signal power out. dont know what...

Just thinking that it might not be Q53 or 55 because im not getting audio to the in of the IC7 BA4558 mic audio chip. I would like to try to bypass the echo board but no schematic on how its wired in.

Well I did some detective work and no good results. I checked the mic input and good audio. I went over to the IC7 BA4558 and no mic audio to the in on both channels and of course no output. I checked the mic audio right in the front panel and a few components but looks like the front panel will...

Superlid Thanks I see that in the block diagram will check ic 7 out and then the 4 trannys. So this radio uses a separate chip for receive audio then a chip ic 7 for the mic audio. Older radios always used 1 chip to control both. Thanks again will check tomorrow.

I have a Galaxy DX929 AM radio. There is good receive Audio and good tx and rx. There is no mic audio and no pa audio. If i key radio about 3 watts and turn on a radio next to i can not hear any audio when I keyup. If i turn on the echo and then key up I can just faintly hear the mic audio...

Nomadradio. Well I had some adapter boards that I was able to shift pins 17-9 I grounded pin 6 and then a 5.1 resistor from pin 17 to ground and then the toggle to 5v plugged into a washington and nothing. I made sure of all my shifting of pins and pin g and 17 and got nothing. So im back at...

Nomad radio. thanks for the info. Do you think i will be able to keep the channel mod working still if i swap the pins out?

Hi all Im back at it again with some questions. This kit i have installed in a pc-385 RS trc 490 same a s a washington and other radios is working good range is set to 28.045 to 26.495 vco limit of course. See pictures of the board with the MC145106 pll replacing the mb8719 or the mb8734 will...

Thanks I sent a message to them.

I asked for USA and Canada not china. Yes I have had many boards done by pcbway but want to have done as Local as possible

Any knowledge of any good priced PCB board makers in USA or Canada? Looking to have some pcbs made and have a found a few in USA and some do not respond. thanks in advance for the help

Update. Well was able to get the radio all tune up on am/ssb. Problem was the probes was not reading correctly. Bought some new ones and all set. thanks for all the reply's and help