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Alpine PDX1.1000 powers on, no audio (IR2010s HELP)
Alpine PDX1.1000 powers on, no audio (IR2010s HELP)
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Old 12th August 2019, 10:44 PM   #171
mild2wild is offline mild2wild  Trinidad and Tobago
diyAudio Member
Join Date: Nov 2014
I am placing a Mouser order for a few amps, would it be a good idea to purchase various transistors, diodes, ICs, etc that are specified in the schematic?

I plan to purchase some anyway since I purchased another M1000 from eBay in hopes of learning something that may help with the 1000s I am currently already trying to repair. A few of the components are unavailable but maybe you can suggest some that may be prudent to have on hand as we continue to attempt this repair...
Mestek DM91A multimeter / Hantek 6022BE USB oscilloscope
N.A. DVP-712LJ 13.8v/5-7A power supply
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Old 13th August 2019, 02:09 AM   #172
Perry Babin is offline Perry Babin  United States
diyAudio Member
Join Date: Nov 2003
Location: Louisiana
I have worked on only a small number of the 1000s. Mainly FETs and driver ICs failed. Sometimes, the ICs between the level-shifting transistors and the drivers failed.
Anyone who purchased the repair tutorial, email me (babin_perry@yahoo.com) if you want to download the latest version.
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