[TechAssist] Re: RCA HDLP50W151 SHUTDOWN
- From: "Damon" <damon101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 23 Aug 2004 08:30:41 -0500
Well you should hear the gentle whoosh of the fans 1st, then the
"vuhreeeee" of the color wheel, then the lamp lights....if the lamp is bad,
then you hear a tic.....tic......tic. Listen closely, I've even heard a
vibrating metal sound 3 times when the bulb is bad. Just had a bad lamp
power supply this weekend and NO sound at all, just 270V on the power
connector at all times. Don't even try to measure the lamps actual voltage
tho'.....you'll blow your meter.
Damon Brunger
Telrad Electronic Services
Ft Wayne, IN 46815
----- Original Message -----
From: "jonas miglinas" <miglinasj@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, August 23, 2004 7:07 AM
Subject: [TechAssist] Re: RCA HDLP50W151 SHUTDOWN
| Hi Jeff,
|
| I can hear the whine of the color wheel. But I don't know enough about
these
| sets to tell.(only second set that I've seen)
|
| Jonas Miglinas
| Miglinas TV
| Chicago
| ----- Original Message -----
| From: "Jeff Farnsworth" <jlfonz@xxxxxxxxx>
| To: <techassist@xxxxxxxxxxxxx>
| Sent: Sunday, August 22, 2004 10:37 PM
| Subject: [TechAssist] Re: RCA HDLP50W151 SHUTDOWN
|
|
| > Can you hear the color wheel? If so--is it to loud. Set might not be
| able
| > to sync up with color wheel thereby causing shutdown. Replace light
| engine?
| > Samsung won't fire at all (light) if color wheel don't sync up.
| >
| > TV Doctor
| > Avalon, Wi
| >
| > ----- Original Message -----
| > From: "jonas miglinas" <miglinasj@xxxxxxxxxxx>
| > To: <techassist@xxxxxxxxxxxxx>
| > Sent: Sunday, August 22, 2004 5:49 PM
| > Subject: [TechAssist] RCA HDLP50W151 SHUTDOWN
| >
| >
| > > Hello all,
| > > Repaired this set a month ago and it's back to haunt me again. This
time
| > it's come in dead with standby voltages ok. Changed the DM2 board and
the
| > set fires up, but shuts down after ~ 20 seconds, after 20-30 seconds it
| > starts up again runs for about ~20 seconds and keeps repeating this
| pattern.
| > The fans don't even attempt to turn, so I suspect this is the problem. I
| > just can't seem to locate the fans on the cd schematic so I can trace
| where
| > the problem is. Either I'm going blind or can this be a board
replacement
| > problem?
| > > Thanks for any advice.
| > >
| > > Jonas Miglinas
| > > Miglinas TV
| > > Chicago
| > >
| >
|
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