[TechAssist] Re: PioneerPioneer projection SD-P50A3-k blows fuse

  • From: larry <schntv@xxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Thu, 05 Aug 2004 11:29:22 -0400

this sounds good, thank you tom.

Larry

Bayside Electronics wrote:

> I found this tip, Larry.
> Symptom: Set is in "PD Shutdown" and power supply appears to be 
> defective but actually, only FU106 (4A, -25V) fuse is blown. After fuse 
> is replaced, the set will work but the fuse filament can be seen to bend 
> momentarily at power on.
> Cure: Problem is on Amp Assy. Resolder transistors and regulators that 
> are mounted to the heat sink and replace one or both convergence output 
> ICs (STK392-110).
> Models Covered: SDP50A3K, SDP50A3Q, SDP50A5K, SDP55A5K, SDP62A3K, SDP62A5
> Tip Date: July 24 2000
> 
> 
> Hope this is of some use to you.
> Tom
> 
> Tom Sherman
> Bayside Electronics
> Digby, Nova Scotia
> Canada
> Phone/Fax: 902-245-5375
> bayside.electronics@xxxxxxxxxxxxxxx
> 
> 
> 
> larry wrote:
> 
> 
>>this set blows the fuse every 2 weeks,
>>no shorts, i tried a 1 amp higher , still does it.
>>
>>replace fuse works another few weeks, plays perfect between time.
>>any ideas???
>>Thank you,
>>Larry
>>
>> 
>>
> 
> 

-- 
Schneider TV & Electronic Inc.
5415 N. Wooster ave.
Dover, Ohio 44622       www.geocities.com/schntv2000/
330-343-0768         FCC. first class & Extra class K8WLY


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