Question about Sony KP-43T90 43" Rear Projection Television

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Menu inoperative(no adjustments)

5 flashes on timer/standby. flash focus on tv inoperative. the color green is missing(football fields wrong color)

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Its the problem of main board and it needs reparing to make it proper.

Posted on Dec 10, 2008

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Red flashing light


  1. Five blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.

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Samsung HL-T6756 DLP TV Standby/temp light flashing and tv won't come on. I have replaced the lamp and the fan is working. Any suggestions?


Remove lamp and inspect the color wheel to see if missing pieces or shattered---it will also just before failing give a high pitched or fan like sound and if running too slow or not at all instant shutdown happens.

Its also possible if you bought a GENERIC bulb--and used original cartridge the new lamp is bad.

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1 Answer

1) I have a Sony KV-32FS13 that has a green tint in the picture. Does any oneknow how to access the service menu for this model? I tried other adjustments and I can't get rid of the annoying green...


Code 5 is "AKB error". AKB, or auto kine bias, is a cicuit that monitors the three color guns of the picture tube (red, green and blue) and tries to adjust them for proper color balance. If it can't, the picture is blanked (usually) and the timer/standby light blinks 5 times. When the color drives aren't balanced, you see a color tint in the picture like you're describing.

There might be a problem in the AKB circuit, or the picture tube may just be old enough that the AKB circuit has run out of adjustment range. If the tube is at fault, you should consider replacing the set. A new tube will cost nearly as much as a new 32-inch LCD TV, and you'll need to pay someone to install it and set it up. There are special tools required to perform the convergence which gets the color guns aligned with the face of the tube so they hit the right colors.

If you'd like to try tinkering with the service menu adjustments, this site explains how to access the menu and gives a list of settings.

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I have a 56' that wont show picture


Power board is bad.. I had the same issue.

Apr 13, 2010 | Samsung HL-S5679W 56" HDTV

1 Answer

I have problems it seems when the TV is on for an hour or less the picture starts to flash and then change colors. A normal football field starts out green then it after flashing turns brown and all the...


capacitor parts replacements must be done at power circuit,because not performing properly...worn out due to age...a normal situation for appliances..

Dec 31, 2009 | Televison & Video

2 Answers

Standby timer keeps flashing


HI,
Please count that how many times(count numbers) LED flashes in a specific time, and let me know, then i will be able to help you and can tell you the area of fault.
Hope you will understand my saying.
Thanks for using fixya.

Jul 23, 2009 | Sony KV-36FS12 36" TV

1 Answer

Sony KV-36FS12 Lost Green


Hi!

Five blinks means - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.

Please rate this solution as FixYa if found useful.

Thanks
Rylee

Feb 28, 2009 | Sony FD Trinitron WEGA KV-36HS420 36" TV

1 Answer

Screen Goes Green TV goes to stand by blinking 8 times


try adjusting your color tuners located inside tv behind speakers.

Nov 25, 2008 | Sony KP-57WS500 57" Rear Projection...

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