Question about Sony KV-27S46 27" TV

1 Answer

Sony KV-27S46 tv has no picture, no sound, 4 flash diagnostic.

CRTN,
You ended our chat prematurely last week. All I want from you is to let me know if I cleared code 4 correctly for my TV and/or what part(s) I need to replace since you have access to the Sony data base. That is the main reason I contacted you in the 1st place. The clearing instructions you sent me was not for a KV-27S46 since it depicted a different vert out IC. Mine uses IC541 for vert out which I have replaced. Maybe the clear procedure is different also. If you do not contact me, you will get a bad review and my credit card company will refuse payment.
Larry11143 at larry11143@live.com or larry11143@att.net

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  • 18 more comments 
  • larry11143 Jan 17, 2009

    My anger is not with you but with your system. It is not user friendly. I have been trying several times a day to reach you since Monday. The only response I got was from ABRSVCS Dan who suggested I pay another $20 to get on the chat line with him and get a refund from FixYa. NO way, man. When I try to log on to my account your system sends me to no man's land where it asks for my product etc. The only way I was able to reach you was responding to your personal advertisement, even then I had to use another email address. Sorry for the misunderstanding - I was just getting frustrated. Do you have a phone number at Sony?

    Thanks,

    Larry

  • larry11143 Jan 19, 2009

    I truly believe we just had a misunderstanding. The full truth is I accidently closed our chat when I attempted to close the email when you tried to send me the Sony diagnostic clearing procedure (remember - I could not open it so you sent it over the chat line). I learned yesterday that the "my profile" is in small print in the upper right hand corner of the page that my email sends me to when I tried to contact you. So I had a pilot error and a navigation problem but it looked like you had pulled the plug - sorry.

    I just ordered the D606 (ECG5466) for under $3.00 locally, but it will take over 2 weeks for it to arrive. (Sony would be faster for the OEM part you recommended but wanted $25 plus shipping and they already have my $32 for the IC541). Since this is such a long wait are you aware of any other part which should be checked or replaced? Or should I just let you know in 2 weeks if this fix does not solve my problem? Or if you just want to get rid of me would you tell me how to access the Sony database directly? Any of the 3 choses would result in me closing out the account and giving you an excellent rating, partly because of all the trouble I have given you.

    Thanks, Larry

  • larry11143 Jan 19, 2009

    Ok, that would be great.

    Thanks,

    Larry

  • larry11143 Feb 26, 2009

    I now have replaced both parts (first IC541, then D606) as recommended. No change. Still getting 4 blinks. What next, anybody?

    Larry11143

  • larry11143 Feb 27, 2009

    CRTN?

    I have not checked D617. Before I tear down the tv again, is there something you want me to do before I check D617? The tv is fully assembled now.



    There is a click when I attempt to turn on the tv. A few seconds later a similar click occurs. Sounds like the relay works but drops out during auto shutdown.



    Larry

  • larry11143 Feb 27, 2009

    I went ahead and tried to check D617. I do not see how I can check it with it in the circuit since its internal diodes are in parallel. To do that, I have to remove an electrolytic cap to gain access to the screw holding the diode to the heat sink. The diode is strickly for the 9.0V source. I do not see how losing the 9.0V source would cause loss of vertical since it does feed IC541. Are you sure you need me to remove D617? Of course if this diode could cause auto shut off I guess I need to check it.

  • larry11143 Feb 27, 2009

    Okay, I guess you had your reasons so I removed D617 and checked it. It tested good with my multimeter's diode tester. By the way, the electrolytic cap (C630, 100uf, 160V) tested good also. I have not re-installed either part yet.

  • larry11143 Mar 02, 2009

    No problem. I realize you cannot sit in front of the tube all of the time. Maybe it is time to open up a chat. Your call.



    I will check R632 ASAP. But how can I check IC601 since I have auto shut off 2 or 3 seconds after I press on/off?



    I have an autotransformer. I used it in the past to fix an older model Sony TV. Does Sony have a procedure whereby I can lower the ac power to the tv to a lower voltage (55v ac I think it was) so I can make measurements without the tv shutting down?



    Larry

  • larry11143 Mar 02, 2009

    R632 looks good. It measured 0.2 ohms in the circuit. Spec is 0.1 ohm.

    Larry

  • larry11143 Mar 03, 2009

    CTRN

    Did you get my clarification request dated March 03? I just sent my email to me for clarification from me! This is a big step beyond talking to myself which I admit I am doing with this TV. I just meant to send a comment, not a clarification notice.

    Larry

  • larry11143 Mar 03, 2009

    Yesterday you asked if I had checked IC601. I asked how to check since tv shuts down so fast. Did you mean for me to replace it?

  • larry11143 Mar 04, 2009

    Just 4 blinks the last time the set was together. Tomorrow I will try reassembling it to see how far the power makes it thru the power supply as you suggested.

  • larry11143 Mar 04, 2009

    CTRN



    The output from the bridge rectifier (D605) at R632 is 1.5v dc / 72v dc relative to chassis ground so power is getting through.



    Remember you asked me to check IC601 2 days ago? The input should be 17v and the output should be 152v relative to the common tie point. The input (pin 4) is 10v / 13v (tv off / tv on). The output (pin3) is 0v / 166v. Your thoughts please.



    Larry

    .





    What are your thoughts on this?

  • larry11143 Mar 04, 2009

    Forgot to mention that the main dc source (should be 135v) oscillates so fast that I cannot get a reading with my Fluke multimeter.

  • larry11143 Mar 04, 2009

    CTRN



    Sometimes I have been receiving messages from FixYa under my old email account larry11143@live.com saying I have a new comment which I assume is from you. But when I go to "my profile" under that account or even my new one no new message is posted.



    Please be sure to use only my new email larry11143@att.net. When a message comes to that address you always have a new comment posted when I go to "my profile".



    This would explain why you are repeating some questions which I have already answered. Example: are you still getting just 4 blinks. (The answer is Yes.)



    Also, I think you will find several questions I have asked you which you have not responded to either.



    Larry



  • larry11143 Mar 05, 2009

    You probably have not had a chance to view my last message so I will repeat. But you are still using my old email account larry11143@live.com As before I cannot view your message. You MUST use email account larry11143@att.net or I will never see your message. My member name is larry11143 under both email accounts.

    Thanks, Larry11143

  • larry11143 Mar 05, 2009

    Is there someone at Sony who could advise us if I need to replace IC601 when the output is a little too high?

  • larry11143 Mar 09, 2009

    CTRN

    You asked me to check IC601 and I made some measurements. Please run these measurements by your Sony rep. Remember the output is 166v, it should be 152v. The part is only $8, but I need to know if it could cause a 4 flash diagnostic before I order it.

    Larry

  • larry 11143 May 11, 2010

    CTRN,

    I made some more component checks while I was waiting. Since IC541 was replaced and can cause a 4 flash diagnostic, I checked the circuit around it. It appears D541, C541, and R549 are good. I also checked the 2 power supply sources which feed IC541. It also looks like C542, C562, C564, D561,D562, R561,R562, and T504 are good. Should I check the components around D606 (which was replaced) next or do you have a better idea? I am not quite ready to bypass the RY602 power relay yet.

    Larry

  • Michael Fisher
    Michael Fisher May 11, 2010

    I Apologize You Are Unhappy With My Service But If You Review The Chat I Was Attempting To Determine If You Had Left. I Sat And Waited For A Response From You For Over An Hour And No Response Was Given So I Assumed You Left And Ended The Chat.

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  • 716 Answers

4 blinks Indicates For Your Exact Model To Replace D606 (P/N 871910818) SCR.
Also Please Don't Take Out Your Anger For Your Broken Device On Me. Sony Knows Of This Problem As It Is Very Very Common So If You Want You Can Call Them And They Most likely Will Have Your Exact Fix.

Posted on Jan 17, 2009

  • 6 more comments 
  • Michael Fisher
    Michael Fisher Jan 17, 2009

    1-800-222-7669 or 1-888-772-7669
    Hours: Mon-Fri 8:00AM-12:00AM (Midnight) / Sat-Sun 9:00AM-8:00PM EST


  • Michael Fisher
    Michael Fisher Jan 19, 2009

    Those Are The Only Two Things It Lists As Being The Culprit.
    I Would Be More Then Willing To Wait For You To Replace The Units For Further Troubleshooting If It Doesn't Work.


  • Michael Fisher
    Michael Fisher Feb 26, 2009

    Welcome Back Im Sorry You Still Have Not Found Your Issue Have You Checked D617? What Else Does The T.v Do? Does It Click Or Anything When You Try To Power It On Or Anything?

  • Michael Fisher
    Michael Fisher Mar 02, 2009

    Sorry For The Late Response Have You Checked
    IC601 and R632?

  • Michael Fisher
    Michael Fisher Mar 03, 2009

    Oh Yeah I Didn't See It Thanks For Bringing It To My Attention.
    I Would Check Anything In Line Or Related To The D606. We Have Almost Killed Any Possibility Inside The T.v And I Am Very Surprised You Haven't Found The Issue. Just A Thought Any Local Tv Repair Shops Do Free Diagnostics?



  • Michael Fisher
    Michael Fisher Mar 03, 2009

    You Can Try Checking While Trying To Power On For The Brief Second It Tries To Turn On Just To See If Power Is Making It Through.

  • Michael Fisher
    Michael Fisher Mar 03, 2009

    And Are You Still Getting Just 4 Blinks?

  • Michael Fisher
    Michael Fisher Mar 05, 2009

    I Have No Control Over Where Fixya Notifies You To.
    And To Your Comment
    You Posted:
    Remember you asked me to check IC601 2 days ago? The input should be
    17v and the output should be 152v relative to the common tie point. The
    input (pin 4) is 10v / 13v (tv off / tv on). The output (pin3) is 0v /
    166v. Your thoughts please.

    Answer:
    I'm Not Really Sure What That Means I Mean Obviously It seems To Be Getting To Much Power. Let Try Going Back To The Start. What Cause All This And What Was It Doing Before It Just Wouldn't Turn On Anymore?





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