av800 problems - diyAudio
Go Back   Home > Forums > Amplifiers > Class D

Class D Switching Power Amplifiers and Power D/A conversion

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 16th July 2010, 10:12 AM   #1
diyAudio Member
 
Join Date: Jul 2010
Default av800 problems

when the start av800,R57 burn and dameged but before r57 damegd av1000 good working. please help me!!
  Reply With Quote
Old 22nd December 2011, 03:42 PM   #2
diyAudio Member
 
Join Date: Dec 2011
Location: hyderabad
hello
mine R4 is melting
  Reply With Quote
Old 22nd December 2011, 04:32 PM   #3
diyAudio Member
 
firechief's Avatar
 
Join Date: Sep 2008
Location: Near Seattle Wa
Please tell us more about the device that you are having trouble with. What is it exactly?
When asking for help, please provide more information.
__________________
"You can keep your insurance baby nothing is guaranteed" -Tom Petty
  Reply With Quote
Old 22nd December 2011, 04:35 PM   #4
diyAudio Member
 
Join Date: Nov 2009
Location: Arges,Cutea De Arges
R57 burns picose a capacitor is put on backwards i think is a 220uf/160v or 100v
  Reply With Quote
Old 22nd December 2011, 04:51 PM   #5
diyAudio Member
 
firechief's Avatar
 
Join Date: Sep 2008
Location: Near Seattle Wa
OK by george I'v got it!
build NEW AV800 / AV1000 MOSFET AMP IRFP240 IRFP9240
I'll bet if I use the search tool I can even find a schematic.
__________________
"You can keep your insurance baby nothing is guaranteed" -Tom Petty
  Reply With Quote
Old 23rd December 2011, 02:26 AM   #6
diyAudio Member
 
Join Date: Dec 2011
Location: hyderabad
actualy i have done pcb and mounted all components
and i on the driver board when i on i have tested
R1,2-3.0v
R3-25v

what i have to do please help me any one
  Reply With Quote
Old 8th January 2012, 08:10 PM   #7
diyAudio Member
 
Join Date: Feb 2010
Q3, Q4 wrong pinout or put wrong way around
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
AV800 again :D dziundzis3 Solid State 0 26th November 2009 02:15 PM
av800 pcb need help!!!! ashokavarthanan Solid State 12 10th October 2007 01:12 AM
AV800 + clipping , etc ... darkm4n Solid State 14 24th September 2006 01:51 PM
AV800 rails Anvil Solid State 10 12th June 2004 02:34 PM


New To Site? Need Help?

All times are GMT. The time now is 03:43 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright Đ1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2