[TechAssist] Re: MTC 14" TV, MTV-1428 relay clicks no HV.
- From: "Jeff Dougherty" <support@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 5 Dec 2002 22:58:15 -0500
Kevin,
From Tech Repair CD:
MTC\MTV1428CC\Factory Recall Fire Hazard\\\\R320 2.2k 1/2w Carbon Repl With
Fusible Metal Oxide (Under Heatsink)\\\\\\\\
MTC\MTV1428CC\Nsnp. Clicks. Storm Damage. Ic201-37 Only 3.3v Off D214
Zener\\\\R238 10k 3w (2 In Parallel - 1 Open) In Startup Ckt Horiz Vcc\\\\\\\\
Good luck.
Jeff@xxxxxxxxxxxxxxxxxx
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: "Kevin" <kevinstv@xxxxxxx>
To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
Sent: Thursday, December 05, 2002 5:20 PM
Subject: [TechAssist] MTC 14" TV, MTV-1428 relay clicks no HV.
Hi fellow techs,
Relay clicks on, B+ goes to 155 volts, should be 125. No HV. Vcc for
TA8680 is only 0.6 volts, should be 9 volts for 15kHz output. Tried to
trace VCC source (9 volts) but couldn’t find it. Does anyone have the
schematic for this TV? It looks like this TV is in shutdown mode. TIA
Kevin Wilks
Kevin's TV & Video Repair
Penticton BC Canada
kevinstv@xxxxxxx
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