[TechAssist] Re: Sony LCD proj KF50XBR800 picture intermittent on/off
- From: "Rich M" <rmsrepair@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 26 Jun 2005 18:15:32 -0500
I always replace the lamp and ballast the first go around, also educate the
customer on the proper use of the et.
1. make sure there is a lot room around the unit for proper ventilation
2. make sure the unit is not on a switched outlet
3. better to leave the unit on between shows if only 30 min to 2 hours a
part, the cooling and heating of the lamp decrease the lamp life.,
4. don't move the tv after you turn it off because the lamp is very fragile,
give it a couple hours to cool
5. Also put the unit on a U.P.S battery backup. So if you lose power the
lampstill have time to cool. then turn off set.
>From: "tvservice" <tvservice@xxxxxxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] Sony LCD proj KF50XBR800 picture intermittent on/off
>Date: Fri, 24 Jun 2005 15:42:04 -0500
>
>Hi group,
>am servicing this proj tv it will come on normal for about 1 minute then
picture and sound go off, lamp goes out.
>Just as it goes out the "standby led" starts blinking, at 30 blinks you
heara click (relay) and at 4 more blinks picture and sound are back. It will
operate about another minute and repeat cycle.
>Is this a lamp or ballast problem?
>I remember seeing something posted about the Sony LCD projection sets
havingsome ballast modification but I didn't save them.
>Please any help would be appreciated
>
>Robert
>tvservice@xxxxxxxxxxxxx
>H &H Electronics Inc
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