[TechAssist] Re: T/A Sharp 27RV79 dead, relay clicks
- From: "Hivolts" <hivolts@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 14 Oct 2002 11:23:48 -0400
Jeff
check for cracks around the relay.I have seen that do the same thing and
ended up replacing the relay they have an update to that relay.still looking
for part number
chuck
staples tv
----- Original Message -----
From: "Tech Repair CD support" <support@xxxxxxxxxxxxxxx>
To: "Techsonline" <techassist@xxxxxxxxxxxxx>
Sent: Sunday, October 13, 2002 9:36 PM
Subject: [TechAssist] T/A Sharp 27RV79 dead, relay clicks
>
> Press power button, relay clicks on, power button-clicks off.
> When on, B+ slowly drops..no high voltage builds up.
> FBT reads ???? in circuit, OK out of circuit.
> 0.27 ohm resistor is OK as well as the stand-off resistors.
> B+ is 105vdc using the capacitor (-), but 18vdc using the FBT ground....is
this
> normal?
> Found C2601 high ESR--had lower B+ before this.
> The board in area of R2603 is burnt. Printing on R2603 is worn off and
measures
> 12ohms...so I assume this resistor is OK
> Any one run into this before?
>
> Jeff
>
> FAX 717-564-4952
> Jeff Dougherty
> Intrepid Video & Electronics Be careful of your thoughts.
> 501 Luther Rd They may become your words
> Harrisburg, PA 17111 any moment.
> 717-909-8844
> VCR tips, electronics info & general interest.
> www.intrepid-video.com www.tech-repair.net
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