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Old 06-11-2009, 05:48 PM   #1
wabbalee
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headphone output has intermittent problem


Hi

I have an intermittent problem with my headphone output on my Acer TravelMate 2480 Laptop. I sometimes I get sound out of me headphones when I plug them in and sometimes not, even sometimes I get sound out of both the internal laptop speakers and the headphone.

found some info in an old thread here but the script is not working, I like the idea though.

I have tried everything I can think of to get sound out of the headphones when I want but I can't find the problem. I am using Ubuntu Jaunty.

lspci:
Code:
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02)
00:1c.2 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 02)
00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8038 PCI-E Fast Ethernet Controller (rev 14)
0a:03.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02)
0a:09.0 CardBus bridge: Texas Instruments PCIxx12 Cardbus Controller
0a:09.2 Mass storage controller: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD)
ron@ronbuntu:~$
thanks in advance
ron
 
Old 06-13-2009, 10:44 AM   #2
business_kid
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You're not running widoze now. So if the software works sometimes, it works all the time as a general rule.

The weakest link there is probably the socket - perhaps a dry joint on the pcb or it's gettig old and dodgy. Both earphones and speakers working together sometimes would suggest this.
 
Old 06-14-2009, 05:45 PM   #3
wabbalee
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I would like to think this too but I have taken this laptop completely apart just for that reason and see if there was a way to possibly rewire and re-solder the plug on the mobo but apart from everything being very tiny it looked all pretty good so I put it all back together again.

I would really think it is a driver problem, because the times that it does do what it is supposed to do, it does it well without any distortion and crackly noises.

I guess I should boot my system into windows to see if it occurs there too, but that is a hassle as i have replaced my hard drive in this and the windows i put on does not have any drivers installed or whatsoever, so i need to to find my original hard drive and use that once more to see.

will get back here to report.

thanks.
 
  


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