Saba 300 Automatic

[Rick D]

Hello by chance anyone got a photofact for a Saba 300 Automatic German table top radio , on the front it has on the left side of the glass 300 Stereo Automatic on the left it has in gold letters Saba , inside the cabinet it has on the bottom MEERSBURG AUT 11 under that it has 99F GWS and on the back of the chassis is stamped serial number A94895 , would be very thankful if you could share it with me or let me know where I could get one , thanks for your time all the very best Rick

[garykuster]

Here’s a link to the Radiomuseum site. Should have what you need: https://www.radiomuseum.org/r/saba_300_automatic_stereo_11.html

I’m having my own Saba issues as well. after mine stopped working and emitted a big buzz, it’s now working properly and I didn’t do a thing! It’s waiting for me to put it back together so it can act up again. I find these German radios intimidating!

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[Rick D]

Thanks for the reply , I did check Radiomuseum site I could get the schematic but I need a photofact it gives you the picture of the parts in the chassis and has them all labeled , I am having trouble finding one 50 uf capacitor , it is # 106 and is at the bottom of the schematic on the power supply , I have searched under the chassis for hours and just can’t seem to find it , anyone worked on The Saba 300 Automatic table top MEERSBURG AUT 11 , if so any chance you could tell me where to find this capacitor , I want to change all large capacitors , thanks for your time I would be very thankful for any help all the very best Rick

[Ralph Spracklin]

Hello Rick
You are looking for love in all the wrong places. The 50uF capacitor it’s on/in that big aluminum can beside the power transformer. It’s the electrolytic it’s one of caps within that can. That is where one would find a capacitor of that value. Just joking!!
Regards
Ralph

[Rick D]

Hello Ralph ,I did change the ones in the can there were two 50 uf caps in there , but there is one more on the schematic at the bottom of the schematic in the power supply area # 106 and marked at 50 uf , for the life of me I can’t find it , I am sure I have the right schematic , I have attached a copy of the schematic ,thanks for your time all the very best Rick

https://www.radiomuseum.org/guestschemaviewer/view?key=fceb4cf9-61d7-451a-99c4-138c32b5e703

[Ralph Spracklin]

Those German sets can be complicated, especially the schematics for some of those German Radios. However find the filament pins on your tubes, and trace the filament leads back to the Power Supply source. One of those filament supply leads will take you to Resistor R16, (220) ohms. thru to Diode (GR-B) which connects to the Electrolytic Capacitor you are looking for C106, 50 mf. It’s got to be there somewhere. It may not be even in close proximity to the main Power Supply Transformer(s) itself. I say this as the schematic itself does not tell us whether both sections of the Transformer(s) as shown, are actually an integral unit or two separate transformer units. (One of those filament supply leads could possibly be a ground.) They don’t, even on the schematic, show the filament pin connections, let alone the pin number on the tubes. You can find this on the Data Sheets for said tubes. However, it should be an easy trace, as it is, in the filament voltage source supply line.

PS: Are there any components located on the underside of the main Board???

Ralph

• This reply was modified 1 year, 10 months ago by Ralph Spracklin.

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