Question about Sony FD Trinitron WEGA KV-27FS100 27" TV
My Trinitron doesn't start. After I turn power on, LED blinks 15/16 times and then it blinks twice .. Any ideas as to where can i start troubleshooting this?
Same model TV and SAME problem - 2 blinks. After reviewing the service manual, here is what ive come up with:
2 parts listed as defective.
Q502 on the A Board. (a transistor, part# 2SD2634 online for $2.39)
IC702 on the C Board. (integrated circuit, part # TDA6108JF online for $3.29)
Both Parts - www.acme-sales.net
Service Manual - Free Download ( you have to download all four parts before extracting - http://www.eserviceinfo.com/downloadsm/27543/Sony_KV-27FS100,%20KV-27FS200,%20KV-29FS100.html
Has anyone tried replacing one or both of these parts and if so how did it turn out?
Posted on Jul 29, 2008
The initial blinking is normal. The two blinks are the key and indicate an over current condition detected. This can be a problem in any of the circuits. Since the set initially performs as expected and the blinks show up after a little while suggests that the problem is in the high voltage circuit. If you are comfortable working inside the set, check the horizontal output transistor for a shorted condition. That is the most common failure. If you must see a servicer, expect a parts cost in the $25 range. Add in the local labor rate for the total repair cost.
Posted on Jun 27, 2008
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Posted on Jan 02, 2017
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