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Old 09-14-2017, 08:08 PM   #64
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Default Re: Pioneer VSX-520-K Protection problem

Originally Posted by rievax_60 View Post
The correct transistors should be used to replace Q443 and Q444. What is the output voltage and polarity?
Output voltage is 53 volt plarity positive .. also i checked voltage at emitter tied of Q443 and Q444 its show -13volt(negative), but in all other channels its 0.65volt (,positive)
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