Question about Proscan PLCD3992A 39 in. LCD HDTV

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How do I use the service port on the back panel of the TV

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You need a special wired remote control with the proper connector on it . If it is a USB port you can download updates to the software running the TV.

Posted on Jan 09, 2014

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Posted on Jan 02, 2017

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2 Answers

Can I use the USB service port on the back of my


Usually a service port is only for downloading updates for the TV!

Nov 15, 2014 | Televison & Video

1 Answer

32 in dynex tv...the sound just went out..no sound but great picture....did this ever happen to anyone else???? if so how did you fix it......i also saw a service port on the back of the tv....any idea...


check your audio amplifier ic for over heating if so then replace it, that is a port of speaker extension, but you can connect any speaker to it if your audio amplifier ic is busted..

Sep 09, 2013 | Dynex 32 in. LCD Flat-Panel HDTV

1 Answer

Accidently plugged something into the service usb port on my tv. now it does not work at all?????


Just spent over an hour on the phone with Vizio. I did the same thing and they said it fries your service board. Why would they put an input on the back of the tv that fries the damn thing? This sucks!

Dec 28, 2010 | Vizio 42 in. LCD TV

2 Answers

My plasma tv screen went all green last night and hasn't come back what's going on?


Before you do anything about your boards, check the video input connectors and TV ports. Make sure the connectors are good and the TV port is clean. Dust or dirt may come between the pins and distort the video.
If it is ensured that connectors are OK and the port is clean, the unit needs to be serviced as the X Boards, which delivers color information to the panel through the TCPs, or the Z SUS Board, which resets or refreshes the screen, maybe malfunctioning. In this case the unit must be aligned, that is, the voltages must be adjusted to appropriate values as indicated on the panel.

Nov 05, 2009 | Sanyo Televison & Video

1 Answer

Usb port how do you use it


Hi,

By service port they mean a device hookup that a tech can use to diagnose problems with your TV. There is no practical use for you to plug into it. If you want to display your laptop on the TV you need yo hookup the video out from your laptop to the TV's PC/RGB input.

Hope this helps FixYa,

Chris

May 17, 2009 | LG 42LG30 42 in. LCD HDTV

1 Answer

Reset lamp timer


Should have been done by whoever replaced the lamp. Must be done from the service port on the rear5 of your tv SEE SERVICE PORT ON BACK PANEL

Dec 14, 2008 | Sharp 56DR650 56" Rear Projection HDTV

1 Answer

Connecting to a P.C


It it really has 11 pins I'm not sure but then my guess is that this is the service port connector which normally should have 9 pins. A vga connector has 15 pins and LG (as far as I know) uses standard 9 pin serial ports for service and plain old dvi or vga ports for connecting a computer.

Please visit Hardware Book for more info on connectors and cables.

Jan 15, 2008 | LG RZ-20LA70 20 in. LCD Television

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