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Pioneer SA-506 Stereo Amplifier

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Turnip:
Thanks Bruce,

Got down to it with more heat and freezer, eventually found 2SA798 dual PNP Q201 faulty. To Ebay where they're Hen's teeth again - Cheapest found in Australia but post a killer, so wired up a pair of BC556 back to back - Pinout BCECB emitters joined together - OK so far, speaker DC voltage nicely zero - Chris.

downunder:

A little bit of English ingenuity, eh!

Turnip:
Hi Bruce,

Amp back today for crackling, same channel. Had switched the suspect 2SA798 to prove the point and the other one has now gone duff.

Did it as a freebie with a bit of a smile, as can't charge twice for the same problem - Chris.

downunder:

Thanks for the heads-up, Chris. Don't know about you, but I hate audio with a passion and tend to steer clear of it.

Bruce

Turnip:
Hi Bruce,

Was a bit of fun - Getting to realise if you get a problem with a device, if you don't change 'em all they'll come back to bite you.

Seem to recall you after an idler tyre for a record player as you had one with a bit of a bump after lying idle for 40 years.

You just love antique audio.

Daughter has just returned from a holiday in France with a 1951 radio with something like an EM34 sticking out of the middle. She was awfully pleased as woodwork was in best 'Art Crappo' style, but on trying attach an aerial, became shocked by something or other.

Job for tomorrow - Chris.

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