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Pioneer M22 Power Amp Schemetic
Pioneer M22 Power Amp Schemetic
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Old 14th September 2018, 02:29 AM   #11
mshari is offline mshari  Saudi Arabia
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Hello
I have one but there is a high temperature
what is the solution
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Old 14th September 2018, 04:33 AM   #12
slimecity is offline slimecity  New Zealand
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Its Class A. Its supposed to run hot.

Have you tried measuring the actual temp with a laser thermometer? If you think it is running too hot it may be an idea to post the temp readings that you get here.
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Old 14th September 2018, 05:06 AM   #13
huggygood is offline huggygood  France
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maybe you can also download the manual service and to control the bias and offset ...

Last edited by huggygood; 14th September 2018 at 05:14 AM.
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Old 14th September 2018, 12:17 PM   #14
mshari is offline mshari  Saudi Arabia
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hello
It works for about an hour, and then it stops working because of the extra heat.
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Old 14th September 2018, 07:02 PM   #15
mshari is offline mshari  Saudi Arabia
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I'll replace all the capacitors.
You'll get me soon.
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Old 15th September 2018, 12:00 AM   #16
mshari is offline mshari  Saudi Arabia
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My little experience in electronics
I want to know the adjustment of displacement trimmer VR1 and VR2 850mv
Thank
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Old 15th September 2018, 03:41 AM   #17
jaycee is offline jaycee  United Kingdom
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Pioneer M22 service manual is on Hifi Engine.
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