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About 10 years ago (before the economy tanked) I invested in a new system and included an MD-90 tuner. Sadly I've not listened to it as much as I expected (probably fewer than 40 hours), but when I did use it, it worked. A few days ago I turned it on and there was no signal. The lights went on, but the needles didn't move. I checked the antenna, I tried several local stations, I turned it off and turned it on. No needles, no signal, nothing. I forget what I paid for it but it was quite pricey as I recall. I have receivers from the 60s and 70s that still work, and so I can't imagine what could go wrong with this unit, particularly given it's extremely light usage. I was hoping it might be some simple thing that someone else has experienced and could help me with. Any suggestions?
Thanks!
Phil
Follow Ups:
It sounds like your not receiving a signal. Try a different antenna. Many tuners will not do anything unless a working antenna is connected. Does the stereo light come on?
It's worth getting it fixed. A new one is $1400. After you get it fixed, if you don't use it you can always sell it and make some cash with the sale!
does tuner have multiple antenna selection? maybe you moved the antenna selector switch, if it has one. My 1997 Yamaha has that feature. Does the tuner have digital station presets? maybe you lost them,can you tune it manually?
If it was hooked up to an outdoor antennae it could have been damaged from a close lightening strike. We have a lot of lightening, have had a few tuners with SS front ends damaged. Sometimes other equipment is damaged, sometimes the tuner attached to the outdoor antennae was the only thing damaged. Unfortunately, it is not usually an easy fix.
I just looked at their web site, if I am understanding it correctly, they have a set $150 service charge. If so, that is a good price. I also tried to find a schematic, didn't have any luck, another reason manufacturer is a good route to getting it repaired.
nope -- not connected to outdoor antenna. no lightning. all the other equipment on this same power conditioner works. this tuner just flat died. lights come on. needles don't move. never had a problem like this with any other piece of gear.
unfortunately this machine gets so little use and my finances are such that it's simply not worth $150 for me to fix. I was hoping someone would say "just tap it above the power input" or "flick the middle switch three times while whistling Oh Canada" or something like that. I hate to say this because I know it gets good reviews but this turned out to be a waste of money. and I can't even sell it on Audiogon because it doesn't work....
perhaps someone else knows the magic elixir....
If you can get it fixed for $150, a freshly aligned MD-90 should sell for well over $500.
And another option is list it here on the Asylum Marketplace, free listing and can list items for parts or repair.
My first MD the bottom of the line lasted for over 20 years with lots of use. and it just needed an alignment, I traded it in for an reconditioned Etude, that works perfectly.
Start with your basic - open it up and see if there are any fuses inside.
If not the front end is basically all IC chips. a little static and poof!
Thanks. I was thinking of taking it to a local old-school audio guy who fixes a range of gear here in Seattle -- he's good and affordable. But when you say IC chips it sounds proprietary and perhaps beyond his ken. Does that sound right?
Thanks for your help. I'm not that knowledgeable about radio stuff...perhaps I simply have unfair expectations that tuners are trouble-free components.
odd that yours would have defecated the bed, as they say.
Certainly could've been a static discharge, but the fact you've got lights suggests (to me) it wasn't a lightning strike.
One thing that does come to mind (and I know nothing about this particular tuner). Most FM MPX stereo tuners have an interstation muting circuit. It will "squelch" the audio if there is not signal above a certain threshold. Perhaps you have the muting ON and insufficient signal strength to unmute the tuner? Switch the muting off if you can (or switch to FM MONO, which usually disables muting) and tune it. See if you get anything (e.g., the "whoosh" of FM 'static').
Is the antenna (still) properly connected to it? if, e.g., it's 300 ohm twinlead, make sure the two 'legs' of the twinlead aren't shorted at the antenna connectors on the tuner.
The waning popularity of FM has made tuners (especially more modern/digital and mediocre ones) pretty much a buyers' market. You can probably pick up a decent one (locally) for less than repair will cost for the M-D if there's really something wrong with it.
all the best,
mrh
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