A20P schematics

R, A, G and Z series specific matters only
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yo3gjc
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Joined: Thu Jul 01, 2004 9:37 pm

A20P schematics

#1 Post by yo3gjc » Thu Jul 01, 2004 9:44 pm

A20P - Does anybody have the schematics for sound zone, I have a sound hardware failure, no I/O , all other SW stuffs seems to work OK including volume buttons (I can hear the "green" beep) but still no audio from digital side. The mike is also dead. Any sugerstions are wellcome.
Tks 4 help!

edelrc
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#2 Post by edelrc » Thu Jul 01, 2004 10:27 pm

I don't know what you mean with "schematics for sound zone"!
What OS do you have? Windows 2000?

Did you went to see the Device Manager to identify any conflits?

If you are using Windows2000, reinstall the sound drivers.
X220t IPS but but a bit unhappy with it
T60p 2007-93U 1600x1200 IPS (T42p is an overall better machine though. Lack of new IPS Thinkpads keeps me buying these older models!)
T42p 2373-KXU 1600x1200 IPS (The best ever!!)
A20p 2629-6UU 1400x1050 (My first Thinkpad!)

yo3gjc
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#3 Post by yo3gjc » Fri Jul 02, 2004 1:58 am

Is running Wxp, No conflicts, as far as I guess is a hardware failure, worked yesterday and today is gone, absolutely no SW or driver/apps changes, 100% is a HW failure. I am intersed in a circuit diagram to detect audio I/O circuits. Can anybody help me?
Tks

hausman
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#4 Post by hausman » Fri Jul 02, 2004 8:25 am

Have you checked the microphone/speaker cable? I assume you have a copy of the Hardware Maintenance Manual. If not, http://www-1.ibm.com/support/docview.ws ... &loc=en_US AFAIK IBM has never published schematics for their PCs.

73,
Dorian Hausman
SL500 (2746-CTO) • X61s (7666-34U) • T60p (2007-93U) • A21p (2629-HWU) • eXThinkpad (5160-087)

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