[TechAssist] Re: Sony LCD proj KF50XBR800 picture intermittent on/off
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 24 Jun 2005 16:28:53 -0500
Thanks for the info Phil
I subbed the lamp and got same symptoms
I see the service manual is available in the index
I will request it and post my results after Independence
Day.
If anyone has the training manual please send it to
supertek57@xxxxxxxxxxx I can handle up to 250 megs
thanks
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, June 24, 2005 4:15 PM
Subject: [TechAssist] Re: Sony LCD proj KF50XBR800 picture intermittent
on/off
> These are all the results from my techrepairCD (intrepid-video) search
> by model number...:
>
> Sony~KF50XBR800~Tries to start~~~~If the customer can hear the short ark
> sound as the lamp tries to start then he needs a lamp~~~~~~
>
> Sony~KF50XBR800~The standby LED blinks 6 times. No picture or sound~~~~6
> Blinks means that there is a Low B error. Check for +5V on the G
board~~~~~~
>
> Sony~KF50XBR800~The standby LED blinks 5 times. No picture or sound~Page
> 8 of the service manual lists the diagnostic codes~~~5 blinks indicates
> that the Lamp Driver is faulty. This means that the lamp or lamp driver
> board may be defective~~~~~~
>
> Sony~KF50XBR800~The standby LED blinks 3 times. No picture or
> sound~~~~Check the lamp cover on the front of the unit as this error
> indicates that it is not secured properly or that the sensor is
> malfunctioning~~~~~~
>
> Sony~KF50XBR800~Per Sony: These models have no known issues with their
> lamps so please do not change lamps or lamp drivers unnecessarily.~Also*
> the lamp is intended to be a customer replaceable item so a service call
> to the home is not required if the lamp does go out~~LCD~The power
> block is 1-468-510-13 item location #201 119 ! A-1601-753-A LAMP BLOCK
> ASSY (RP) gets you a light bulb~~~~~~
>
> Sony~KF50XBR800~Lamp LED flashes. No picture and no sound~~~~The lamp is
> burned out~~~~~~
>
> HTH,
> Phil Bader
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
>
>
> tvservice wrote:
>
> >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
hear a 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
having some 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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