All tubes light up when turned on...when at full brightness, the TV shuts down indicating 8 blinks on the stand-by/timer light. Can anyone help me with this problem. Also, prior to that problem the screen had faint blue curved horiz.lines...any idea of this problem as well? Thanks in advance.
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Eight blinks - Problem with the audio (AUDIO), unit goes to standby and blinks the self-diagnosis code. Check IC406 audio amp, PS401, and 402. On some projection models of Sony TV sets, this code means that T8005 (flyback transformer), or the associative components in the high voltage circuits are defective on the D board.
KP46WT510 Shutdown 6 Blinks. 6 Blinks = Low B+ OCP/OVP SOLUTION: Replaced Flyback transformer. It had no rings on the ringer test. HQ Comments: Any load on the B+ line can cause 6 Blinks. Example: If the 200v line is loaded down will cause a drop in B+ due to bright picture current demand.
Click Here! to download the Sony Kp-46wt510 full service manual.
I had the same problem. i was told by one of these so-called experts @ fixya that my flyback transformer needed to be replaced (the 8 blinks on the standby was the indicator). but i recently replaced it and im having the same problem. sorry. no advice. good luck.
Five blinks means "Video out abnormality detection". Possible problem areas are as follows:
Video out, IC7101, 7201, 7301 and others in C board circuit. Q510, 516, 524 (A board).
There are actually three C boards, the CR, CG and CB boards. They are
attached to the rear of the red, green and blue CRTs, respectively. I
wouldnt attempt to repair the set myself. I would solicite the
services of an authorized Sony servicenter.
I hve worked on a number of these units , your description is typical of a shorted blue picture tube. The protection circuits in the tv
detect that there is a problem thus shutting the unit down to prevent further damage. Sony had a bad run of picture tubes in this series.
The replacement cost of the tube is about $250
plus labor. My estimate would be for the repair
about $400-500 depending on where you live and how honest your local technican is. I will caution you however, that you could replace this tube and the red or green could go. These would not be covered by the technicians warranty. When these sets are working, they have a superb picture and it is easy to get lured into fixing them. Scrivitron