[TechAssist] Re: Repost! sony kv32fs200 powers up, instant SD, 5 blinks]

  • From: Damon <DamonEB@xxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Wed, 22 Jun 2005 18:07:29 -0500

Another note.....there are only 3 different codes for this TV
#1 B+ OCP is 2 blinks.
#2 No Vert is 3 blinks
#3 IK failure is 5 blinks
So I'll bet the 5 blinks is covering any and all other problems, SINCE 
your B+ OCP and Vert Out signal are passing their tests.
BTW did you upgrade IC 702's coils/resistor to keep it from blowing 
up???? Hope so....you could have shorted it and now it's shutting down 
because it's bad.

Damon B
Telrad Electronics.

Damon wrote:

>Actually don't always assume the 5 Blink failure  means Crt emission 
>problems.
>That Sony TV shows 5 blinks because that's what the TV picked up 
>on..........
>You could have missing 200V, no heater, no screen voltage, etc causing a 
>5 blink code.
>
>The key is the shutdown.......these TVs don't shutdown if the CRT 
>displays a 5 blink failure.....they normally stay on.
>Forget the 5 blink......troubleshoot it as though that Immediate 
>Shutdown is the ONLY symptom you have!
>
>Check B+ supply, check Horiz output, and don't forget......THE HV 
>circuit is a separate circuit not associated with the Horiz Sweep circuit.
>At least I think it is.........
>
>Damon B
>Telrad Electronics
>
>Jim Myers wrote:
>
>  
>
>>5 blinks is an IK failure but normally the set will turn on, blink a few 
>>times while CRT is warming up, then shut down with the 5 blink code 
>>repeating. All the time while the CRT is warming up the HV, H 
>>deflection, Vertical, ETC are all present. Immediate shut down with 5 
>>blink code makes no sense. Are you sure the other shop is telling it 
>>like it is? I normally ignore any post that says "assisting another 
>>shop" because of how the story changes from one mouth to another.
>>Are they seeing the 5 blinks during the short time the set is trying to 
>>turn on? If so that is not an error code.
>>Does the set turn on with a remote? There is a tip for no remote and 
>>when turned on manually it turns itself off. If that applies check the 
>>following.
>>TV doesn't respond to remote and when turns on manually it turns itself 
>>OFF.
>>Found switch S1002 on the HS board defective.
>>Also check, the diode D006 on the A Board IC1001/42 (Key Line) can also 
>>cause symptoms of remote, or TV function miss-operations.
>>
>>
>>
>>********************************
>>Since 1972                     *
>>Jim Myers                      *
>>Telrad Electronics             *
>>Fort Wayne Indiana             *
>>********************************
>>
>>
>>Phil Bader wrote:
>> 
>>
>>    
>>
>>>During the instant before shut down during power up, HV reaches 25KVm for a 
>>>"microsecond", 
>>>Has +/- 12 and 15v on vert out IC. +200V at CRT OK. Has reg +135B OK.
>>>Already changed with no help:
>>>IC001 micro,IC301 jungle, IC561 vert, IC702 video,and the flyback! Removed 
>>>tuner as test. Unplugged CRT board as well, also no help. Sony insists the 5 
>>>blinks is a "signal problem"
>>>PLeeeeese help! assisting another shop.
>>>Sony absolutely no help.
>>>Phil Bader
>>>
>>>   
>>>
>>>      
>>>
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