Question about HP w19 19" LCD Monitor
I'm new to servicing LCDs. I have a HP w19. Walwart is fine (tested under load) 12 and 5 volts leaves the inverter/pw sup board. I've looked for a schemative for the main board (715G1423) and have found nothing. Any assisatance you can offer me in respect troubleshooting the main board would be greatly apreciated. Thank you!
Three things to look for in service with LCD monitors,
1 bad capacitors
2 Bad transistors for the back light feeds
3 bad ic pulse chips for the Non function circuit
you will not find schematics unless you peruse the patent office records, reverse engineer the circuits and you will have a schematic
when the main chip fails on the vga board its time to buy a new vga video board,
sounds like your board may be suffering a bad IC telling the main chip the power is OK
let me know how it goes.
Posted on Apr 05, 2009
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Posted on Jan 02, 2017
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