Question about Televison & Video
When we turn the tv on, it blinks repeatedly, no picture but when it blinks on can hear sound. Tried unplugging for over an hour and that did not help. Wondering if it would be worth trying to have it fixed or dispose and purchase new.
I'll try to help.
First (obvious) step - be sure there's no remaining warranty and/or dealer help available.
This points to an internal power supply problem, however sometimes it can be as simple as a (internal) bad connection or loose connector.
Most shops will charge around $75 just to diagnose it, which they would often apply towards the repair. If there is a replaceable module that would fix it, expect no less than $70-$100 in parts, plus a total labor charge of $100-ish.
If you find someone who knows what they're doing, and does TV repair as a "sideline"... it will often save you many $$ (Craigslist search possibly?).
Disposal is throwing 100% of it away... sometimes Craigslist or eBay can net you a few $$ back for an "as-is" sell, versus a total loss. Possibly even give it to a thrift store that has a repair tech.
If you are not afraid of trying a couple things yourself (or have someone you trust), it may save $$.
WARNING - Dangerous, and even lethal voltages are present inside your TV set. Do not attempt this unless you are trained in these kinds of repairs. Leave the TV unplugged for several hours (or preferably a full day) before attempting such.
Check all connectors inside the set, unplug, replug a couple times. Sometimes connections can become dirty &/or corroded after a while, and simply un/re-plugging them will clean them enough to last a while. I've even had cases of this that were so bad that I had to remove the connector and directly solder the wires to the PC boards. Sometimes a design engineer is under such pressure to save cost that low quality parts are used, which results in a much lower lifetime than would otherwise be possible. (it's sometimes called design-to-die... few mfr's want their products to last forever, so you'll have to buy a new one... sad but true)
If you do try this, do NOT attempt to run the TV with the back off... that's just asking for serious or fatal shocks.
Be safe, good luck!
Posted on Jan 12, 2013
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Posted on Jan 02, 2017
My shop had this problem yesterday. We had to change the DMD to correct it. One of the data lines was being drawn down intermitently. This doesn't eliminate the digital PCB, but, we have seen the DMD do this more than a digital. You should have an authorized shop do the repair. Contact Samsung at 1-800-SAMSUNG or contact by email: http://samsung.com/ContactUs/ContactUs.htm Hope this helps.
Posted on Apr 01, 2007
SOURCE: TV Magnavox 50ML8105D/17 Problem
I have the same problem my DLP TV would shut off after 30 minutes or less all red LED's. Solution: The fan on the lamp assembly was not turning at the proper RPM (bearing going bad) so it was going into overtemp mode. The original part number was a SUNON KDE1209ptv3 12v 1.3W I had a hard time finding one to match that spec. DIGI-KeyCorp (www.digikey.com) was able to cross reference it to a 3 lead P11034-ND part number (NMB-MAT model fba09a12L).
I Installed the fan and problem went away.
Remove the lamp from the lamp assembly
Remove the back panel.
From the back, slide the main circuit board to the left (loose one screw)
Remove the power interlock on the lamp assembly (2 screws)
Disconnect Lamp assembly cooling fan lead.
Remove the 4 silver slotted screws on the lamp assembly, 2 in the front and 2 in the back.
Carefully remove the lamp assembly from the rear. WATCH the Mirror.
Remove fan, cut leads and solder or **** splice on to the new fan.
Repeat steps for installation
Posted on Dec 07, 2008
The 3 blinks is a error code for the convergence circuit. You can get the convergence repair kit for your model at the following link which contains both Convergence ICs and all six feed resistors and they include step by step instructions with pictures that show how to do the repair yourself. Heres a link to the proper kit for your model Panasonic.
Posted on Jan 24, 2009
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