Go Back   Home > Forums > General Interest > Car Audio

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 8th June 2011, 06:05 PM   #1
diyAudio Member
 
Join Date: Sep 2006
Default Rockford fosgate 800A2

I got this amp in for repair first problem i noticed is the amp wont power up..

Here what i have on the TL494

PIN1:0
PIN2:4.76
PIN3:0.06
PIN4:4.87
PIN5:1.48
PIN6:3.29
PIN7:0
PIN8:13.21
PIN9:0
PIN10:0
PIN11:13.21
PIN12:13.21
PIN13:4.91
PIN14:4.91
PIN15:4.91
PIN16:0
  Reply With Quote
Old 8th June 2011, 06:51 PM   #2
diyAudio Member
 
Join Date: Nov 2003
Location: Louisiana
Pin 4 is being driven high. Post the DC voltage on the 339.

Pin 1:
Pin 2:
Pin 3:
Pin 4:
Pin 5:
Pin 6:
Pin 7:
Pin 8:
Pin 9:
Pin 10:
Pin 11:
Pin 12:
Pin 13:
Pin 14:
  Reply With Quote
Old 8th June 2011, 07:57 PM   #3
diyAudio Member
 
Join Date: Sep 2006
Pin 1: 0
Pin 2: 1.28
Pin 3: 13.22
Pin 4: 0.4
Pin 5: 2.31
Pin 6: 4.91
Pin 7: 1.75
Pin 8: 4.34
Pin 9: 4.91
Pin 10: 4.91
Pin 11: 8.22
Pin 12: 0
Pin 13: 1.28
Pin 14: 1.28
  Reply With Quote
Old 8th June 2011, 08:20 PM   #4
diyAudio Member
 
Join Date: Nov 2003
Location: Louisiana
Is this PC-2360 or PC-3092?

If not, what is it?

Is Q9 leaking or shorted?
  Reply With Quote
Old 8th June 2011, 08:38 PM   #5
diyAudio Member
 
Join Date: Sep 2006
Its another one of theese amps that i cant find a schematic for..

Board is marked PC-2038-G
  Reply With Quote
Old 8th June 2011, 08:47 PM   #6
diyAudio Member
 
Join Date: Nov 2003
Location: Louisiana
Email Rockford for a copy of the schematic diagram and send me a copy.

Did you check Q9?
  Reply With Quote
Old 8th June 2011, 08:56 PM   #7
diyAudio Member
 
Join Date: Sep 2006
Replaced Q9 and the amp powers up but draws excessive current
  Reply With Quote
Old 8th June 2011, 09:11 PM   #8
diyAudio Member
 
Join Date: Sep 2006
Sent
  Reply With Quote
Old 8th June 2011, 09:16 PM   #9
diyAudio Member
 
Join Date: Sep 2006
So can i lift the legs of the STRP15's to see if the current draw is from the power supply or output section?
  Reply With Quote
Old 8th June 2011, 09:31 PM   #10
diyAudio Member
 
Join Date: Nov 2003
Location: Louisiana
Is the diagram you sent the one Rockford sent you? It's not the same board number.

Connect only remote and ground. What do the pulses on the power supply FET gates look like?
  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
Rockford 800a2 radwilsons5803 Car Audio 2 21st May 2011 04:59 AM
Rockford Punch 800a2 seankane Car Audio 28 5th April 2011 01:27 AM
Rockford Fosgate 800a2 mike49504 Car Audio 12 28th April 2010 11:01 PM
rockford fosgate 800a2 mike49504 Car Audio 11 4th February 2010 08:34 PM
Rockford fosgate 800a2 fongman Car Audio 39 28th February 2009 08:35 AM


New To Site? Need Help?

All times are GMT. The time now is 07:12 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2