Question about Norcent Technologies Televison & Video
The power will not come on to the tv for about two or three weeks! once back the tv works fine until the next time .....had three different instances in the last 4 months i have to leave it unplugged for that time and then it suddenly gets power back ........does this tv have an internal battery???
I would check to see if any capacitors are bulged or failing and replace them.
Posted on Nov 02, 2012
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Posted on Jan 02, 2017
SOURCE: Sony 36" tube TV
It definitely does not seem to be a problem with the Picture Tube. More like a cold solder. It is definitley not a job for a layman. Also, get a good technician to have a look, as locating cold solders is a labourous and time consuming process. It could also be possible that the main DC filter capacitor is getting dry, and may require replacement.
Posted on Aug 15, 2006
I have your service manual but I can't find any reference to 9 flashes, are you sure it is 9 with out a pause?
see below from manual.....
Posted on Jan 31, 2008
SOURCE: TV turns on & off
Exterior equipment attached to a standard tv cannot cause the set to switch on/off by itself.
I think you may have a power supply fault or else loose solder connections on the board, hence the "warming up" intro before the fault shows itself.
My suggestion would be a service technician if you are not familiar with electronics or TV's. Regards, JUS004
Posted on Mar 24, 2008
SOURCE: NORCENT PT -4233
Norcent PT4233 no picture, black screen, but has sound. How to repair
The display (PDP - Plasma Display Panel) at the heart of this unit is a LG 42V7 model. There is a known bad solder "defect" on the YSUS board that causes this board to fall unexpectedly.
The bad news is that you have to replace all the primary boards on the display - ZSUS, YSUS and CTRL boards, as the failure can/often takes them all out.
The good news is that LG makes a repair kit for this panel. Its part number is 687VSNB03E and it contains the three boards LG6871QYH036D (Y SUSTAIN), LG6871QZH041B (Z SUSTAIN) and LG6871QCH053G (CTRL).
Hope this helps
Posted on Feb 07, 2009
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