[TechAssist] T/A Sharp 27RV79 dead, relay clicks
- From: "Tech Repair CD support" <support@xxxxxxxxxxxxxxx>
- To: "Techsonline" <techassist@xxxxxxxxxxxxx>
- Date: Sun, 13 Oct 2002 21:36:15 -0400
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
www.thetoolcaddy.com www.9-11-2001tragedy.com
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