Question about Sony FD Trinitron WEGA KV-34HS420 34" TV
Sony Trinitron Wega KV-34HS420 blinks 7 times it means the the Horizontal Deflection stopped.
There are two cause for this: B overcurrent is detected (IC5007 is defective) or there is a over heating is detected by the Thermistor (TH5002). Both of these parts are on the DZ Board. If you order the DZ Board from the "Partstore.com" it will cost you $395.95 minimum. The Thermistor TH5002 (part # 1-807-796-11) cost $4.95.
This IC chip IC5007 is no longer available at Partstore.com. You could purchase it from other stores. Not sure of price.
Replacing the whole DZ board would for sure fix this problem but at close to $400.00. Then what if another board or your picture tube goes out soon.
Better to go buy a new flat panel LCD from Costco for around the same price.
Hope this helps
Bobby Guel "aka poolmvp1"
Posted on Sep 18, 2010
Call tech support..I believe it is the power board
Posted on May 31, 2010
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
Any malfunction associated with a flashing stand-by light usually indicates a
circuit problem or defective component. Unfortunately, the days of
taking off the back cover of your TV and replacing a defective tube or
fuse are long gone. Proper servicing will require troubleshooting
procedures that can only be performed by a qualified electronic repair
facility or professional television repair person. Ask for an estimate
and a realistic appraisal of whether the set can be adequately fixed.
Depending on the age and condition of your TV it may not be cost
effective to repair.
Posted on Sep 13, 2009
Follow the instructions from the image provide and see if that works, if it does not work; you have a hardware failure in your TV. The hardware failure could be the HOT or flyback transformer.
Let me know if you need further assistance.
Posted on Aug 23, 2008
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