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#1 |
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diyAudio Member
Join Date: Jan 2010
Location: Gainesville, FL
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Can't seem to find the RFG70N06 on octopart. Can those be replaced with something similar?
I have HUF75344G which appear to be similar in voltage, amperage, and total gate charge but then again I'm a novice at cross referencing. These are for the power supply in a Kicker ZR240. Thanks a lot.
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Scope - DMM - 460W Computer PSU - Tutorial Last edited by m4ick; 2nd June 2011 at 10:11 PM. |
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#2 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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The HUF75344G will be OK in that amp.
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Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links |
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#3 |
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diyAudio Member
Join Date: Jan 2010
Location: Gainesville, FL
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Thanks, also the secondary ground trace to the crossover module is burned, is that module probably defective?
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Scope - DMM - 460W Computer PSU - Tutorial |
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#4 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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I doubt that burning the secondary ground would have affected the module but the modules have common failures so it may well be defective. If you're unsure and don't have a jumper/bypass module, jump the pins on the back of the vertical board and test it without a module.
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Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links |
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#5 |
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diyAudio Member
Join Date: Jan 2010
Location: Gainesville, FL
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Awesome, I found the jumper diagram on your website, thanks a bunch.
Can a defective module blow an otherwise good amp or will it just cause issues?
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Scope - DMM - 460W Computer PSU - Tutorial |
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#6 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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If you have the tutorial, the diagram is in the kicker folder.
Yes. I've seen modules that oscillated at a very high frequency which caused output transistors to overheat and fail. The problem was defective SMD capacitors in the module.
__________________
Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links |
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