|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
Great product, very good quality, found all needed information. Thanks
;
Excellent quality, helped to fix problem. Thank you very much!!!!
;
I thank Owner-Manuals.com for providing the necessary manual very quickly, and it was very helpful in repairing my personal Audio System and I once again thank them for the wonderful customer's service satisfaction.
Thanks.
;
Everything fine: quick service, no glitch and above all a very good quality of the Pdf file. Thank you!
;
The manual was complete, parts list, adjustment procedures, etc. No worries
A790 N/B Maintenance
8.12 Modem Test Error
An error occurs when run the modem.
MODEM Test Error 1.Check if the driver is installed properly. 2.Check if the notebook connect with the phone LAN properly.
Test OK? No
Yes
Replace a known good modem
t ent e cr m Se cu c Do al iT ia Mt n e d fi n o C
Board-level Troubleshooting Correct it. Replace Motherboard
U506 J10 J14 J7 F505 L531 L527 H1 H2 H3 H4
Check the following parts for cold solder or one of the parts one at a time and test after each replacement.
following parts on the mother-board may be defective, use an oscilloscope to check the following signal or replace the
Parts:
Signals:
ACZ_SDOUT0 ACZ_SDOUT1 ACZ_RST# ACZ_SYNC0 ACZ_SYNC1 ACZ_BIT_CLK0 ACZ_BIT_CLK1 ACZ_SDIN0
Re-test OK? No
Yes
Correct it.
223
|
|
|
> |
|
