Massive Audio P1500.1 Amplifier - diyAudio
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Old 12th February 2013, 04:55 AM   #1
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Default Massive Audio P1500.1 Amplifier

Hi does anyone know what the part # for the opto-coupler Is? The ones in my amp have ben sanded off! THANKS!!
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Old 12th February 2013, 05:38 AM   #2
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Location: Louisiana
6N137
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Old 12th February 2013, 07:14 AM   #3
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Thank you perry!!
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Old 12th February 2013, 07:24 AM   #4
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Email me if you want a schematic from a similar amp.
babin_perry@yahoo.com
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Old 19th February 2013, 09:27 PM   #5
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OK I changed out the 8 IRF640n's and the 2 opto-coupler's now amp powers up and idols fine but has no out put!
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Old 20th February 2013, 01:55 AM   #6
amc32 is offline amc32  United States
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check for output@the output filter inductor and there's not a broken solder joint... make sure you have voltage from powersupply &@opamps......if you have a scope it would help also
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Old 20th February 2013, 01:57 AM   #7
amc32 is offline amc32  United States
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a scope is a must when repairing class d amps
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Old 20th February 2013, 02:16 AM   #8
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Thanks for the help but I had a brain fart I didn't have the speaker wires in right. The amp works. THANK YOU!! Its ben running for 45 min now!
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