[TechAssist] Re: PioneerPioneer projection SD-P50A3-k blows fuse
- From: Bayside Electronics <bayside.electronics@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 05 Aug 2004 12:15:08 -0300
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
>
>
>
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