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Chip Amps Amplifiers based on integrated circuits

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Old 12th February 2007, 12:07 PM   #1
thunder is offline thunder  Australia
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Question Kenwood

I've got a kenny amp with a combination STK407-290K and STK407-090K, not sure if these are manufactured by sanyo as there archive has an "E" on the end instead of "K", anyone with a pinout, I wish to eradicate them and wack a couple of discreet modules in.
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Old 15th February 2007, 07:09 AM   #2
thunder is offline thunder  Australia
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C'mon guy's, someone must have it buried in a cd somewhere, I noticed a few others asking for similar devices with no response, How about a pin by pin compatible device?
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Old 15th February 2007, 07:52 AM   #3
Netlist is offline Netlist  Belgium
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STK407-120E is used in the Sony STR-NX5MD:

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Old 20th February 2007, 11:58 AM   #4
thunder is offline thunder  Australia
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Thank's m8, will try and make a pin comparison and see if they tally up, problem with this amp is it shuts down soon after switch on making it difficult to measure rails, obviously protection circuit is not happy, It does the same with the chips removed, so I'd guess at the main rails going too high due to lack of loading thereby tripping the protection circuit.
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