Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Gerald Spindler
 
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Default Compaq PCXAV-WZ

hello,

i have one of this monitors here, Fuse 4A was blown in the main supply, no
led is lighnig, no reaction on pressing the power button... never had one
of these seems to be a mitsubishi chassis?!

anyone has some suggestions??

regards
gerald

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Jerry G.
 
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Default Compaq PCXAV-WZ

Most likely there are failed components in the power supply and or the scan
circuits. There are not any specifics in most of these monitors. Properly
troubleshooting it will determine the exact failures.

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"Gerald Spindler" wrote in message
y.telekom.at...
hello,

i have one of this monitors here, Fuse 4A was blown in the main supply, no
led is lighnig, no reaction on pressing the power button... never had one
of these seems to be a mitsubishi chassis?!

anyone has some suggestions??

regards
gerald

--
__________________________________________________ _____________
e-Mail security scan by Symantec Norton Antivirus 2003 successfully
completed.



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John Gill
 
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Default Compaq PCXAV-WZ

Gerald:
Most of the time, when you find a blow fuse in a monitor, the
problem is in the primary side of the switching power supply.
Check the FET transistor (on the heatsink). If that is OK, then
check the rectifier diodes (or bridge rectifier) near where the
AC enters the main circuit board.
John
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