[TechAssist] Re: 36" RCA Model MM36110 intermittent shutdown

Bill,
look for a small black surface mount resistor on the back Input/Output board
next to hole towards right side. here is the note I made for the problem I
had last week. This DTV chassis is very much like the MM chassis
DTV306/307
erratic shutdown (cycling) , flexing I/O board on back may allow to come on.
Flexing board again will lower or lose volume and shutdown. Error code 136
Found cracked surface mount resistor R11813  51ohm1/2watt +9volt supply to
pin 2 U11800 TVB

Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc

----- Original Message -----
From: "Bill Dravenstott" <cdravens@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, April 11, 2003 10:03 PM
Subject: [TechAssist] 36" RCA Model MM36110 intermittent shutdown


> Hi.  This set has been a struggle to get a handle on.  In the home it
plays intermittently for 10 minutes to a day and shutsdown.  Comes right
back on shortly.  No distortions in pix or audio before or after.  I brought
into shop played 4 days never went off, but I did see it act up at house.
One of the fans had a bad bearing so replaced the fans and touched up some
pc board connections.
> After a week it is back. I called techline from RCA but all updates have
been done to this chassis and their suggestions were not helpful.  Error
code displayed suggests problem with reset pulse to u18101? chip or por
pulse at micro.  Possible 3.3v regulator bad? F2pip problem.  When it works
all tests seem nominal.  Any ideas out there?  It is a 52 mile round trip
for 2 each time. Thanks for any advice or thoughts
>
> Bill Dravenstott
> Elza's Home Store
> 924 Union Street
> Ashland, OH
> 419-289-8864
> cdravens@xxxxxxxxxx
>
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