Question about Sony B-9986-107-1 Motherboard Sb Mbx-197 P43 -2
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Posted on Jan 02, 2017
SOURCE: sony mbx-49
Sorry for the delay responding.
Info comes from
Joe K Sony Vaio
Hi Joe I have a unit now with the MBX 49 board that is totally dead does not charge battery or work from a known charged battery.
The small fuse at the rear F2801 is OK, 19V on input to Q2803 nothing out from one that I worked on earlier I noted that this should have
19 on the output. This is a fet and is not being swithed on as the gate is also at 19V not pulled low as for P channel fet.
--- In Laptop_Repair@yahoogroups.com, "Joe"
Posted on Aug 20, 2007
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