[TechAssist] Re: RCA chassis MM101GCE, No power up, Low standbyvoltages

  • From: "Asad Hamedani" <hamedani@xxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Tue, 9 Sep 2003 09:06:09 -0700

HI all'
Since last 4 month I'm looking for a front case of a Quasar camera
model#VM547 where the switch button for "camera off vcr" is broken and this
costumer like his camera a lot, any idea where I can find this case?? I
tried already on swap meet but no luck.
any help is appreciated.
Thx Nick.

-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Jon Garver
Sent: Monday, September 08, 2003 6:43 PM
To: TechAssist
Subject: [TechAssist] RCA chassis MM101GCE, No power up, Low standby
voltages


Model MM36110

Unit will not power up. It will come on with high voltage
for a split second when the power plug is pulled.

I don't have the manual on this but I do have the power supply
schematic.

The 33V line measures 21.5V
 "  12V   "     "      4.9V
 "   8V   "     "      3.4V
 "   5V   "     "      1.2V

I tried lifting individual the different supply lines to see
if it was being loaded down. Voltages did raise but still not
to where they should be. I checked just about every part in the
primary and secondary. I'm wondering about the SMPS transformer
but have never seen one bad but I know it does happen.

This is my first on these newer MM chassis so any hints or
suggestions are welcomed and appreciated.

Jon Garver
Heritage Television Service
Monticello, Indiana
574-583-9681  Voice & FAX
jongar@xxxxxxxxxxxxx  or
heritagetvsvc@xxxxxxxxx

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