rockymtn
Member
I have a Qbert with an original dedicated PCB and original WG4900 monitor in it that has the screen issues pictured in the attachments.
Here's what I've done so far:
1)Recapped the monitor and reflowed all the cold solder joints on the monitor board
2)Reflowed solder on filter board connectors(twice) and checked the trace continuity (no broken traces)
3)Installed a rebuilt power supply (Thanks Riptor)
4)Cleaned socketed chips and edge connector on the main PCB
When voltage is checked on R503 I get 150VDC. I'm supposed to have 130VDC I believe on that resistor. Is this a voltage regulator issue?
Thanks for the help.
Here's what I've done so far:
1)Recapped the monitor and reflowed all the cold solder joints on the monitor board
2)Reflowed solder on filter board connectors(twice) and checked the trace continuity (no broken traces)
3)Installed a rebuilt power supply (Thanks Riptor)
4)Cleaned socketed chips and edge connector on the main PCB
When voltage is checked on R503 I get 150VDC. I'm supposed to have 130VDC I believe on that resistor. Is this a voltage regulator issue?
Thanks for the help.
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