[TechAssist] Re: Hitachi Proj. Model 60SX12B Chassis AP63B. Dead, relay click only. Red led D975 (bright)
- From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 30 Apr 2005 20:00:05 -0230
Hi David looks like you are on the right track..Eric
Brand: Hitachi
> Model: 60SX12B
> Chassis: AP-63B
>
> Problem: No Start up, relay clicks, power indicator lights
>
> Cause: No power supply LED's lit, but protection LED D975 dimly
> lit. Found F903 solid state fuse open and short across pins 1 & 2 on
> switch mode regulator I901 .
>
> Solution: Replace I901 (STRS6511) and F903 (FN00071R)
Eric
E M Electronics
Deer Lake Nfld
Canada
tvman@xxxxxxxxxxxxxxx
Robinson Electronics wrote:
> Maybe you Hitachi Techs. can help me with this set?
> This set will not power up, I have a relay click only. The diagnostic "red
> led" lights up only, at first flashes a few times, then stays on bright.
> No green leds at all, not even breifly.
> I pulled the board, suspected the reg. I901, not sure.
> I found a 2w. power resistor (open) R903 33 ohm 2w.
> I cannot find any tips indicating this resistor as any common faults?
> Has anyone seen this before, or would it indicate a power surge damgae to the
> reg. I901?
> I have some on order, but not yet installed to try.
> Any help appreciated on this. Thanks.
> Robinson Electronics
> 1075 Sweeten Creek Road
> Asheville, NC 28803
> Ph./Fax. 828 274-3787
> Toll Free. 1-888 ROBELECT
> www.robinsonelectronics.com
> www.robelect.com
> Mailto: RobinsonElectronics@xxxxxxxxxxx
>
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