It has 3 SW bands, AM, FM, The speakers are seperate from the radio. Tube complement is (2) EM84, (2) EL84, (2) ECC83, EAF801, ECH81, ECC85, EZ81. The power supply is mounted next the the radio unit, but in the same cabinet.
Both tuning capacitor's shaft's were frozen as were the little wheels that the dial cord goes around. Got them all moving, took some time to disassemble the AM/SW gang.
Now all works, except for 1 thing, (always one thing), the EM84 that should close on a stereo signal on FM only moves slightly.
So I'm looking for any info, like, was this set made by Grundig or was Koronette it's own brand. And by chance would anyone have a schmatic for it.
All input is appreciated, Thanks to all.
Bob
:
:It has 3 SW bands, AM, FM, The speakers are seperate from the radio. Tube complement is (2) EM84, (2) EL84, (2) ECC83, EAF801, ECH81, ECC85, EZ81. The power supply is mounted next the the radio unit, but in the same cabinet.
:
:Both tuning capacitor's shaft's were frozen as were the little wheels that the dial cord goes around. Got them all moving, took some time to disassemble the AM/SW gang.
:
:Now all works, except for 1 thing, (always one thing), the EM84 that should close on a stereo signal on FM only moves slightly.
:
:So I'm looking for any info, like, was this set made by Grundig or was Koronette it's own brand. And by chance would anyone have a schmatic for it.
:
:All input is appreciated, Thanks to all.
:Bob
Other units like this are the " Lion Prinz " and K-Mart sold one as " Phono Sonic " ( transistorized ) The Phono Sonic was a awful radio, that would short out so bad the circuit board would turn to carbon.
I don't think Grundig nor Telefunken had any hand in this, but may be a knock off copy that could be from the old CCCP ..
::
::It has 3 SW bands, AM, FM, The speakers are seperate from the radio. Tube complement is (2) EM84, (2) EL84, (2) ECC83, EAF801, ECH81, ECC85, EZ81. The power supply is mounted next the the radio unit, but in the same cabinet.
::
::Both tuning capacitor's shaft's were frozen as were the little wheels that the dial cord goes around. Got them all moving, took some time to disassemble the AM/SW gang.
::
::Now all works, except for 1 thing, (always one thing), the EM84 that should close on a stereo signal on FM only moves slightly.
::
::So I'm looking for any info, like, was this set made by Grundig or was Koronette it's own brand. And by chance would anyone have a schmatic for it.
::
::All input is appreciated, Thanks to all.
::Bob
:
:Other units like this are the " Lion Prinz " and K-Mart sold one as " Phono Sonic " ( transistorized ) The Phono Sonic was a awful radio, that would short out so bad the circuit board would turn to carbon.
:I don't think Grundig nor Telefunken had any hand in this, but may be a knock off copy that could be from the old CCCP ..
Thanks Warren,
Hard to tell with nothing in english. It doesn't look cheap as it has the typical German push buttons and wiring. It also sounds pretty good. But who knows.
:::
:::It has 3 SW bands, AM, FM, The speakers are seperate from the radio. Tube complement is (2) EM84, (2) EL84, (2) ECC83, EAF801, ECH81, ECC85, EZ81. The power supply is mounted next the the radio unit, but in the same cabinet.
:::
:::Both tuning capacitor's shaft's were frozen as were the little wheels that the dial cord goes around. Got them all moving, took some time to disassemble the AM/SW gang.
:::
:::Now all works, except for 1 thing, (always one thing), the EM84 that should close on a stereo signal on FM only moves slightly.
:::
:::So I'm looking for any info, like, was this set made by Grundig or was Koronette it's own brand. And by chance would anyone have a schmatic for it.
:::
:::All input is appreciated, Thanks to all.
:::Bob
::
::Other units like this are the " Lion Prinz " and K-Mart sold one as " Phono Sonic " ( transistorized ) The Phono Sonic was a awful radio, that would short out so bad the circuit board would turn to carbon.
::I don't think Grundig nor Telefunken had any hand in this, but may be a knock off copy that could be from the old CCCP ..
:
:Thanks Warren,
: Hard to tell with nothing in english. It doesn't look cheap as it has the typical German push buttons and wiring. It also sounds pretty good. But who knows.
This ugly piece of furniture has been built in 1975 by the Fa. Tonmöbel Peter in Plauen in former East Germany, exclusively for export, mostly to Canada. The electronics was built by the VEB (Volks-Eigener Betrieb = People's Owned Factory) REMA (Fabrik für Rundfunk, Elektrotechnik und Mechanik) in Stollberg, East Germany, 1991 liquidated shortly after reunification. The "Transstereo" Koronette was part of many different equally ugly bar-fireplace-grandfather clock combos. REMA sets were highly valued in East Germany, because of their Western look and luxury, which contrasted very much with the uniform designs by the other radio and TV VEB's.
"This ugly piece of furniture has been built in 1975 .........exclusively for export, mostly to CANADA......"
Hmmmm - perhaps a biting commentary on the sense of style of our northern neighbors????
Bob Z
:
:"This ugly piece of furniture has been built in 1975 .........exclusively for export, mostly to CANADA......"
:
:Hmmmm - perhaps a biting commentary on the sense of style of our northern neighbors????
:Bob Z
:
. The electronics was built by the VEB (Volks-Eigener Betrieb = People's Owned Factory) <=====
::"This ugly piece of furniture has been built in 1975 .........exclusively for export, mostly to CANADA......"
::
::Hmmmm - perhaps a biting commentary on the sense of style of our northern neighbors????
Thanks, I though it may have been Grundig as it has that european type construction. It works pretty well, was it was made in East Germany ???
Thanks for the information.
Bob Z
::This is not a fireplace type setup, it is a table top radio AM/FM/SW 1 & 2 and inputs for phono and tape, about 18 x 8 x 8 inches with the speakers as seperate cubes about 8 inches square. I don't think we are talking about the same thing....
::Bob Z
::
:
:. The electronics was built by the VEB (Volks-Eigener Betrieb = People's Owned Factory) <=====
:
:
:::"This ugly piece of furniture has been built in 1975 .........exclusively for export, mostly to CANADA......"
:::
:::Hmmmm - perhaps a biting commentary on the sense of style of our northern neighbors????
:Thanks, I though it may have been Grundig as it has that european type construction. It works pretty well, was it was made in East Germany ???
:Thanks for the information.
:Bob Z
Yeah Bob, it's them East German guys made it. Have a look at this RCA http://sandiego.craigslist.org/csd/clt/986612939.html
How about that? Don't look like an RCA. Says it is.
:
:::This is not a fireplace type setup, it is a table top radio AM/FM/SW 1 & 2 and inputs for phono and tape, about 18 x 8 x 8 inches with the speakers as seperate cubes about 8 inches square. I don't think we are talking about the same thing....
:::Bob Z
:::
::
::. The electronics was built by the VEB (Volks-Eigener Betrieb = People's Owned Factory) <=====
::
::
::::"This ugly piece of furniture has been built in 1975 .........exclusively for export, mostly to CANADA......"
::::
::::Hmmmm - perhaps a biting commentary on the sense of style of our northern neighbors????
Very similar front, except mine has a straight tuning eye not the 6e5 type. But the cabinet is much smaller, not a floor type, a table type. So now it seems like I have a communist radio, guess that's why i get all those soviet stations on SW ;-) . Thanks again.
Bob Z
::Warren,
::Thanks, I though it may have been Grundig as it has that european type construction. It works pretty well, was it was made in East Germany ???
::Thanks for the information.
::Bob Z
:
:Yeah Bob, it's them East German guys made it. Have a look at this RCA http://sandiego.craigslist.org/csd/clt/986612939.html
:How about that? Don't look like an RCA. Says it is.
:
:
::
::::This is not a fireplace type setup, it is a table top radio AM/FM/SW 1 & 2 and inputs for phono and tape, about 18 x 8 x 8 inches with the speakers as seperate cubes about 8 inches square. I don't think we are talking about the same thing....
::::Bob Z
::::
:::
:::. The electronics was built by the VEB (Volks-Eigener Betrieb = People's Owned Factory) <=====
:::
:::
:::::"This ugly piece of furniture has been built in 1975 .........exclusively for export, mostly to CANADA......"
:::::
:::::Hmmmm - perhaps a biting commentary on the sense of style of our northern neighbors????
:Hi Warren,
:Very similar front, except mine has a straight tuning eye not the 6e5 type. But the cabinet is much smaller, not a floor type, a table type. So now it seems like I have a communist radio, guess that's why i get all those soviet stations on SW ;-) . Thanks again.
:Bob Z
:
:::Warren,
:::Thanks, I though it may have been Grundig as it has that european type construction. It works pretty well, was it was made in East Germany ???
:::Thanks for the information.
:::Bob Z
::
::Yeah Bob, it's them East German guys made it. Have a look at this RCA http://sandiego.craigslist.org/csd/clt/986612939.html
::How about that? Don't look like an RCA. Says it is.
::
::
:::
:::::This is not a fireplace type setup, it is a table top radio AM/FM/SW 1 & 2 and inputs for phono and tape, about 18 x 8 x 8 inches with the speakers as seperate cubes about 8 inches square. I don't think we are talking about the same thing....
:::::Bob Z
:::::
::::
::::. The electronics was built by the VEB (Volks-Eigener Betrieb = People's Owned Factory) <=====
::::
::::
::::::"This ugly piece of furniture has been built in 1975 .........exclusively for export, mostly to CANADA......"
::::::
::::::Hmmmm - perhaps a biting commentary on the sense of style of our northern neighbors????
:"This ugly piece of furniture has been built in 1975 .........exclusively for export, mostly to CANADA......"
:
:Hmmmm - perhaps a biting commentary on the sense of style of our northern neighbors????
If the eye doesn't work well for both AM and FM, consider any resistors associated with the eye beam deflector(s). If the resistor(s) drifts, then the deflector(s) won't go positive enough to bring the beam together.
Regarding the AVC circuit, does the FM otherwise have good sensitivity? Sets with silvered mica capacitors inside of the IF transformers can have problems with the silver (or silver oxide) migrating on the mica in microscopic traces. A leakage from the primary to the secondary would put B+ in the secondary. An IF secondary that feeds the AVC circuit wouldn't develop proper negative bias, and so the eye tube would not close properly.
Regarding frozen tuning capacitors, before you disassemble, consider soaking in PB Blaster, which is available at automotive stores.
T.
I got the tuning caps working, the AM one, (2 seperate units in this tuner), was fairly easy as I could remove the reduction gear assembly, which is what was stuck. The FM on the other hand was a different matter. It had a reduction setup but I think it was the first piece put in as they assembled the unit. But I got it working using tuner cleaner and penetrating oil and slowly working it back and forth.
The normal eye tube, signal strength, works fine as does reception, actually reception is quite good. It's the one that should close on FM-Stereo that doesn't close. As far as i know they work off the 19kc stereo pilot signal that is only broadcast when stereo is being broadcast. Stereo reception seems ok, as far as I can tell, sounds like stereo. It's just that the second eye tube should close. All it does it illuminate a small 'MPX' letters on the dial glass. I swapped the 2 eye tubes, same thing, so it would look like the tubes are good.
It's quiite an involved set, with the MPX circuit on a seperate unite, so my guess would be that somewher in that unit it sends a voltage to the MPX eye tube to close it when it has a pilot signal.
Please correct me if I am wrong.
Seems like i'm getting a lot of european sets all of a sudden. I just got a Blaupunht, AM/FM/SW/Tape/Phono, less the giant cabinet. But that's for the future. Have not plugged it in yet.
Bob Z
:Eye tubes usually work off of the set's AVC or AGC (however you want to call it) circuit. Both AM and FM usually have this circuit, though FM doesn't always. With FM circuit saturation isn't as critical, and is actually a bit desirable. At any rate, an AVC type circuit would build up voltage when a signal was present, and this kind of circuit would be what you are looking for regarding eye tube control.
:
:If the eye doesn't work well for both AM and FM, consider any resistors associated with the eye beam deflector(s). If the resistor(s) drifts, then the deflector(s) won't go positive enough to bring the beam together.
:
:Regarding the AVC circuit, does the FM otherwise have good sensitivity? Sets with silvered mica capacitors inside of the IF transformers can have problems with the silver (or silver oxide) migrating on the mica in microscopic traces. A leakage from the primary to the secondary would put B+ in the secondary. An IF secondary that feeds the AVC circuit wouldn't develop proper negative bias, and so the eye tube would not close properly.
:
:Regarding frozen tuning capacitors, before you disassemble, consider soaking in PB Blaster, which is available at automotive stores.
:
:T.