Tsa10

[migman903]

Im trying to figure out why my mute / reject relay is not working, I've changed it put with a new one and still nothing ,it' not the ice cube style , it' built inside the amp any help would be appreciated

[Ron Rich]

What does "not working" mean ? Do you have power ? if so, are you bench testing or machine testing ? Ron Rich

[migman903]

I have power,dim bulb test was good, now im machine testing . The reject switch on the mech service controls is also dead

[Ron Rich]

Sorry--don't understand your response-- If playing a record--do you have sound ? If so, does operating any reject" mute the sound ?
Do you have the manual--if so, see the record cancel diagram in the front of the manual. Did you just get this phono, or have you had it (working) awhile ? Ron Rich

[migman903]

I am blowing fuses, I re-hooked up the dim bulb tester and now the bulb is staying bright (short) I can't seem to find any schematics on this amp or a parts list does anyone have a suggestion as to where to look for this short? I sure could use a starting point.

[robnyc]

For your the ares that could result in blown fuses, you can use this (or any later TSa schematic): www.flickr.com/photos/90641375@N06/26752769278/in/dateposted-public/

After TSa4 the voltage and driver stages were silicon. After TSa5 the printed boards were used. The basic architecture remained through all the TSa amps other than the external volume control on the 10. The power increases were just accomplished with "larger iron" in the power and output trans.

You may now have shorted output transistors in one channel. Test by removing each pair and using the diode test on your DVM. If shorted, be sure to check the drivers as well.

RobNYC

[migman903]

Rob what should they read on the DMV and thank you .

[robnyc]

Mar 5, 2018 11:24:25 GMT migman903 said:

Rob what should they read on the DMV and thank you .

You'll be looking for either low resistance (a few ohms) or dead shorts from Collector to Emitter.

I found a TSA-8 PDF in my files: www.fileconvoy.com/dfl.php?id=g7a2db94a05d6260310000640017c4442e2e66e960d

RobNYC

[robnyc]

I forget about this site as well: www.flippers.com/Seeburg-trblshoot.html -Good servicing manual. Be sure to D-L all this stuff, you never know when it will disappear.

RobNYC

[grizzlydude]

Could it be the power transformer?

[migman903]

Idk..... Rob, How do u test one?

[Ron Rich]

Yep--could be-how many times have you "changed" the amp main fuse, and what size did you use ? Ron Rich

[migman903]

The only fuse I had left came from a extra dcc3, but it also blows the phonos main fuse also

[Ron Rich]

Didn't axked-chew dat ?? But iffin you "borrowed" that fuse, from a DCC, and if correct, that waz a GMQ 3.2 amp fuse. The TSA 10 takes an 8/10 amp fuse, or a 1.0 amp fuse if a TSA-10B. (BOTH, GMQ's) --Ya I would not be to surprized to see a transformer blown, along with whatever was wrong in the 1st place. Ron Rich

[migman903]

Not sure what fuse it takes , or what fuse it was but if u know for sure which it is I will order some.