Question about Toshiba TDP-MT800 Multimedia Projector

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Black line in picture

Regardless of signal source [even when the - there's a dark gray line about 1/3 from the bottom of the picture.

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  • cassraminai Sep 25, 2008

    there is two black lines running through the screen of the projector

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Start with clean lenses- all filter and check.

Posted on Mar 21, 2008

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Samsung LCD TV diagnosis. Possible tcon board?


T-con board is causing all your problems. You are correct. You can get parts from here: TV Parts Universal TV Stands DLP Chips ShopJimmy

Sep 21, 2015 | Samsung Televison & Video

1 Answer

Fixing the picture in my Philips rear projection tv


As far as mostly red--turn color to zero and examine screen--if not gray or black and white it may need the screen controls adjusted.

Dark---with back cover off clean the three lens this model has--they are the light source for your picture and if dusty picture will be darker and somewhat dull looking.

Answer is based on brand/model number listed here.

May 16, 2012 | Philips 50P8341 50" Rear Projection...

1 Answer

Free pioneer DEH-5 wiring guide


Here ya go...

Power and Accessory Wiring:

Red = 12v Switched Source (Ignition)
Yellow = 12v Constant Source (Battery)
Black = Ground (Chassis)
Orange = Illumination (Dashboard Lights)
Blue with White = Power Antenna Up / Down Signal
Blue = Amplifier Power On / Off Signal


Speaker Wiring:

White / White & Black = Left Front speaker + / -
Green /Green & Black = Left Rear speaker + / -
Gray / Gray & Black = Right Front speaker + / -
Violet / Violet & Black = Right Rear speaker + / -

Oct 05, 2011 | Car Audio & Video

1 Answer

I just got my Pioneer DEH-7200HD Head Unit. The problem is that it doesn't come on when I hook it up. I've tried everything. even touching the ground and positive wires to a 12volt source and still...


This should be the wiring information: 1998 Saturn SL Stereo Wiring Constant 12V+ Orange Switched 12V+ Yellow Ground Black Illumination Gray Dimmer Brown Antenna Right Front Front Speakers 6 1/2" Doors Left Front (+) Tan Left Front (-) Gray Right Front (+) Light Green Right Front (-) Dark Green Rear Speakers 6 1/2" Rear Deck Left Rear (+) Brown Left Rear (-) Yellow Right Rear (+) Dark Blue Right Rear (-) Light Blue If you have additional wires, I would see how much voltage is running through them.

Apr 12, 2011 | Pioneer DEH-P7200HD Car CD Player

1 Answer

Dark horizontal line scrolling up from bottom of screen


if you are using a cable box .. then disconnect everything that is feeding signals into the tv ... then get a signal from some other source (like off the air antenna or video camera) ... if the tv still has the dark lines then you have a bad primary filter capacitor in its power supply .. if it works ok off the air and only does it when the cable box is hooked up .. then the cable box has an open primary filter capacitor . ... the dark horizontal bars you see is ripple from the rectified AC power that is not properly filtered ... if the TVs verticle scan rate is 60 hz and the full wave rectified AC amounts to 120 hz ripple then you will see two dark bars across the picture ... since the two signals are not syncronized then they will slip in phase with respect to each other .. thus the constantly moving pattern ..

Apr 16, 2010 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Cruise control indicater lights are on but will not engage


Check the cruise control module connector, see if it looks good and there is power to the module over one of the white wires in the 10 pin connector.
There are two white wires going to the module which is located at pins "G" and "J". There should be no voltage at pin "G" until the brake switch is applied. This switch is also used to operate the brake lights. The two wire colors on this switch are white and orange. At pin "J", this signal goes to the PCM to tell it that the cruise control module is engaged. Here is the info on the cruise control connector:

Pin A: gray - cruise control on switch signal: 12VDC with cruise switch on
Pin B: dark blue - cruise control set/coast switch signal: 12VDC with switch pressed
Pin C: gray/black - cruise control resume/accel switch signal: 12VDC with switch pressed
Pin D: brown - cruise control release signal: 12VDC with brake pedal not pressed: 0V when pressed
Pin E: black/white - ground
Pin F: brown - ignition 3 voltage: 12VDC with ignition on
Pin G: white - stop lamp switch signal: 0V with brake pedal not pressed: 12VDC when pressed
Pin H: dark green - cruise control inhibit signal: 0V if PCM detects an inhibit condition
Pin J: white - cruise control engaged signal: voltage (unsure of value, either 12VDC or 5VDC) when signal engaged
Pin K: dark green - vehicle speed signal: 1 to 5 volts depending on speed

This view of connector is facing it after it is separated.

Trying to post the connector view, the lines may not quite line up, but at least it should show you the pin positions.

| F  G H J K |

| E D C B A | 

May 09, 2009 | 2002 Chevrolet Impala

1 Answer

Gray screen with horizontal lines accross it


sounds like you may have a bad ic it probley is a surface mount on the bottom of the board it could couse this problem would need to take to a shop to repair. The ic probley is numbered ic101 on board.

Mar 01, 2009 | Sanyo DS32224 TV

1 Answer

When i on my t v there is half picture


describe picture more fully.
top half, bottom half, half size, where is half size located on screen, what is the source for the signal ie; antennae, cable box, dvd player?, and is it a problem regardless of input source?
mark
markevansmarkevans@hotmail.com

Dec 05, 2007 | LG 42LC2D 42 in. LCD HDTV

1 Answer

Displays too dark..


take the bottom stand off, pop the back off usually 4 screws. look for a big pink wire running down fron the picture tube...follow it the big part on the pc board it is most like a black big component on your right closes to the back cover. ok this part is the x-transformer there are little screws you can turn but might be sealed in glue like polish. dont touch the the top screws for they the focus but turn the very bottom screw, closest to the circuit board, with a screwdriver clockwise braking the seal....just alittle 1/8 turn ...if u see white lines u went to far. I do this with a mirror and hook the pc to it and plug the monitor up just keep one hand away and you wont get a shock too bad if you clumsy. I turn the screen control clockwise until i just see the white lines or black background lightens to gray..then back counterclockwise till the gray is black and stop its perfect now...and u should see a alot brighter screen. adjusting the focus if needed turn the control back and forth untill see clear letters in small text. its tricky if u more than focus control u must turn them both then and concentrate on the center screen small text. if u didnt understand anything I said dont fool with it and take to a tv shop.

Aug 17, 2007 | AcerView 54E 15" CRT Monitor

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