Question about Sony FD Trinitron WEGA KV-32FS120 32" TV
Hi...I have a Sony FD Trinitron WEGA KV 32FS120 that is very difficult to turn on. When I try to power it on the stand by timer light blinks 9 times then stops the repeat for another 9 times. Aventunally the TV does come on after repeated pushs of the power button. Can some please tell it this something that I can repair or do I need a service person...Thank you in advance...David
Replace D645 and D647 with 2.5A1KV diodes.PROBLEM SOLVED. Thank you Solution #5.
Posted on May 16, 2010
Just to reiterate. This solution pertains to the Sony KV-32FS120. The ZCD erroring circuit is on the A board. You can Google the web for a Service Manual. Most are pay sites, but I did manage to scare it up, no cost. The board layouts, and part numbers were most helpful.
User. "bsee" was most accurate. Added solder to all large parts in area. also resoldered some small parts. But still would not turn on. Found references to 3 users that replaced either Q605, D690, or D647 to solve problem. I replaced Q605, but problem remained. I then replaced both D690 and D647 at same time and problem solved. Not sure which one was problem.
Sony will not sell parts directly, but again just Google Sony parts to find a dealer or parts house able to sell all 3. Total price was about $15.00 not including preferrred shipping. Used a 30 watt soldering iron kit from Radio Shack that include clamp handily used on leads as a heatsink, some desolder braid, and .031 60/40 rosin core solder. Had a smaller 15 watt iron, but it didn't heat up to a usable level for desoldering. Thanks again for the advice...
Posted on Jan 05, 2008
Nine blinks - Replace D 6116 and D 6301 on the "G" board, do not resolder as this will fix the problem temporary. Could be Panel Module Error or Thermal Error. If it is intermittent 9 blinks, meaning sometimes the TV comes on and other times you get flashing, then change the switching regulator on the "G" board or check connections. Make sure the regulator is -12 or -13v (negitive).
Posted on Jun 30, 2007
Dump the piece of cr%p.
Posted on Jan 25, 2010
Unsolder the h-output Q502. does the b+ to hvt come up and stay on? if not then replace IC600. if so then check q502, d500, d502, d503 for shorts. if checks ok then unsolder q532 and see if it runs.
Posted on Aug 28, 2009
Ok i got a sony board kv32FS120 where can i get the parts at so i can replace them thanks
Posted on Sep 08, 2008
Sony KV-32fs120 with 9 blinks. Resoldering only results in a temporary fix. Replace D645 and D647 with 2.5A1KV diodes.
Posted on Feb 19, 2008
Hi I have the same problem 9 blinks. I've tried searching for the parts on google but I can't find those parts D690 D647 Q605. can someone point me to the right direction?
Posted on Apr 14, 2008
Had the ****** for 5 yrs. Any idea how to dispose of the heavy metal? (No offense to music fans.)
Posted on May 31, 2010
I also have to same problem but where I can buy the parts
Q605, D647, D690. When I google it I couldn't find any.Can some one give me the part numbers???
Posted on Sep 02, 2009
This problem is always in the remote control circuits. The main control IC is IC001 on the M plug-in board. This is the main possibility for the failure. It may be Q605 or the other transistors on the M board, but not as likely as the IC, since you are getting 9 blinks. The best solution is get a new M board (about $ 60-80). The part number is on the board. It is nearly impossible to do a good job replacing the IC (80 tiny pins to solder in place) ---------- Eagle2
Posted on Jul 17, 2009
We had a similar problem with ours. It requires the set to be unplugged for 36 hours and it is working fine.
Hp Sydney Aus.
Posted on Aug 31, 2009
Q605 avec un bon fer une base et souder toute soudure suspecte ca fais plusieurs que je repare cest toujours le meme probleme et tous va bien apres
Posted on Feb 05, 2008
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