[TechAssist] Re: Sanyo TV Model DS31590 - 15 minutes shuts off
- From: <support@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 11 Nov 2002 16:51:07 -0500
Wally,
From Tech Repair CD:
Sanyo\DS31590\Many problems-slow tuning-when tuned brightness and contrast
reduced\No channels indicate saved in memory but will scan them goes off after
20
minutes or so\\\IC681(UPC78L05) 5v reg outputting 7v\\\\\\\\
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
***********************************************************************
----- Original Message -----
From: "Wally Heise" <sirepair@xxxxxxxxxx>
To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
Sent: Sunday, November 10, 2002 11:21 PM
Subject: [TechAssist] Sanyo TV Model DS31590 - 15 minutes shuts off
Hello,
I am repairing a Sanyo tv DS31590 which has 2 problems. First, a few
seconds after the picture comes on, it dims to about half brightness.
Second, every 15 minutes it turns off like the sleep timer is activated.
Checking the menu, the sleep timer is not activated. Has anyone seen these
problems on a Sanyo, or have any ideas, are the 2 symptoms related? I need
to order the schematics, or if someone has the pin outs of the jungle IC -
LA76170N, i would appreciate any information you might have. I have tried
Sanyo, Google, Free Trade Zone and Chip Quest but no one has the data sheet
for this IC.
Thanks,
Wally Heise
South Isle Repair
Isle, Mn.
sirepair@xxxxxxxxxx
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