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Old 8th February 2008, 09:24 AM   #1
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Default Philips 22AH578

I have broken Philips 22AH578.

Does eny of diy's have schematic or and Service Manual.

Thanks in advance.

Regards zeoN_Rider
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Old 9th February 2008, 01:10 PM   #2
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Default Hi!

This is Stereo Power Amplifier.

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Old 10th February 2008, 07:44 AM   #3
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Default Hi!

I, don't believe whole world noone have schematic of this beautiful amp.

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Old 10th February 2008, 08:12 AM   #4
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Try this one:

http://www.mfbfreaks.nl/pdf/amps/578/22ah578.pdf

Have fun!
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Old 10th February 2008, 08:18 AM   #5
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Default Hi marconist !

Thanks , thanks, thanks!

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Old 18th December 2012, 07:52 PM   #6
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Its a amazing amplifier. I have restore my own 578. And everything is ok now. Take care to buy things from china. Its fake what they sell on Ebay for low budget. If you want to repair things I have some follow information for you.
Q202 equivalent=OPA627 from (Burr and Brown) BB.
Q205 equivalent=BC639 1 watt
Q209 equivalent=BD244C +15 watt
Q208 equivalent=BD243C +15 watt
Q206 equivalent=BC639 1watt
Q207 equivalent=BC640 1watt
Q211 till Q215= MJ15024G 200 watt by 400 volt.
Good-luck if you have to repair it.
Wim
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