[TechAssist] Re: TOSHIBA Model # TN43V71 , Chassis # TAC9957 Dead

  • From: Mehdi Tafaghodi <mehdi@xxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Mon, 25 Apr 2005 18:06:23 -0400

Eric Manuel wrote:

>Hi something to check..Eric
>       TAC9957         DEAD    REPLACE Q801 REGULATOR, CHECK D873, D875
>
>
>
>   Eric
>E M Electronics
>Deer Lake Nfld
>Canada
>tvman@xxxxxxxxxxxxxxx
>
>Mehdi Tafaghodi wrote:
>  
>
>>Hi everyone
>>
>>This toshiba tv model # TN43V71 and chassis # TAC9957 is dead . When 
>>push  power botton clicks one time and red led power light stays on. I 
>>get zero  voltage at hot collector. All fuses are ok.Customer said power 
>>surge damaged the tv. I  don't have service manual  and not familier 
>>with this chassis . Any common failure on this tv ?
>>
>>Mehdi
>>Nova Service Center
>>7531 Lindbergh Dr.
>>Gaithersburg, MD 20879
>>240-632-1717
>>mehdi@xxxxxxxxxx
>>
>>
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Thanks Eric for reply.I found Q801, D876, F680 ( 5A pico fuse ) was 
fried. I replaced them, But I assumed that D873 and D876 are same part 
#  ( 23316690 ) Are they ?  No luck. Doing the same thing as before. I 
don't get any voltage at collector of Hot. All other parts looks good. I 
need help what to do next .

Mehdi
 Nova Service Center
 7531 Lindbergh Dr.
 Gaithersburg, MD 20879
 240-632-1717
 mehdi@xxxxxxxxxx




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