Re: Electrohome monitor

From: Techforce (spam_at_linhax.com)
Date: 03/25/05 

Date: Thu, 24 Mar 2005 20:04:32 -0500

Sounds like the internal resistance of your VOM is providing a path to
ground enough to activate the secondary HV section of the Flyback xfmr. My
diagnosis is a defective flyback xfmr, or a bad solder on the ground for the
FBT secondary.

"Mark McGrath" <mark@ems-fife.co.uk> wrote in message
news:be9b8b41.0503241241.107d5879@posting.google.com...
|I have a dead Electrohome monitor on a cnc machine.The model is a
| 38-K421MD-04.
| If I hook a voltmeter on to check the grid voltage and power up the
| monitor works fine.If I power up with the meter disconnected it
| doesn`t work.
| Does anyone have any ideas?Does anyone have a schematic?
| regards,Mark.