Question about Aiwa F2000 20" TV

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Sir i have a problem w/ my tv. w/ i turn it on it appears a light circle center on my tv screen. before that sir. it has a horizontal tv screen only i replace 100uf 50volts capacitor then. replace it new. then, when i turn it on again it appears light center circle on my tv screen. what shoud i gonna do sir? pls. help me asap thanks Godbless you sir...

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Find the vertical output transistor (one of the two that have a huge aluminum heat sink that feeds the yoke) desolder it and test it for open circuit or short circuit with a diode tester (multimeter etc) and replace if malfunctioned.

Posted on Oct 15, 2013

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You probably used the wrong capacitor or it requires to change more than one. Check and make sure that there are no more burned capacitor or transistors that may cause such as failure. Good Luck!

Posted on Oct 15, 2013

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1 Answer

Ok well i have a Hitachi 50v500a i have had the light engine replaced about a year ago with no issues, but now when i power up the tv it starts fine but when the picture comes on there are blurry...


Sir try to check if there is a loosed connection in the light engine or cold solder in the electronic circuit board, this loosed connection cause your unit to malfunction, or the light engine of your unit is getting faulty. Good day sir and best regards.

Sep 14, 2011 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

I just installed the right head light on a 2000 f250. I'm trying to find the specifications on distance and height of the light beams, L &R when adjusting the lights.


Headlamp Adjustment —Screen Method Aiming NOTE: Horizontal aim is not necessary for this vehicle and is not adjustable.
NOTE: Consult your state's vehicle inspection manual for recommended tolerance ranges for visual aiming.
  1. NOTE: The sight shield may need to be positioned or removed for access to the adjusters.
    Before starting headlamp assembly adjustment:
    • Check the tire inflation.
    • Check that no other load is in the vehicle other than a half tank of gas.
    • Check that the headlamps are clean.
    • Check for correct headlamp operation.
    • Check that the vehicle is on level ground.
    • If the vehicle is equipped with air suspension, make sure the switch is on.
    • NOTE: The vertical wall or screen must be a minimum of 2.4 meters (8 feet) wide.
  2. Park the vehicle on a level surface approximately 7.6 meters (25 feet) from the vertical wall or screen directly in front of it.
  3. e4d4fd8.gif
    NOTE: The center of the lamp is marked by a 3 mm (0.12 in) circle on the headlamp lens.
    Mark a horizontal reference line on the vertical wall or screen.
    1. Measure the center of the headlamp height to ground and record.
    1. Make a 2.4 meters (8 feet) horizontal mark (masking tape) on the vertical wall or screen at the same distance from the ground as previously recorded.

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  1. NOTE: This procedure should be done in a dark environment to effectively see the headlamp beam pattern.
    Turn on the low beam headlamps to illuminate the wall or screen and open the hood.
  1. NOTE: The appearance of the beam pattern may vary between vehicles.
    On the wall or screen, locate the high intensity area of the beam pattern.

7ced4e6.gif NOTE: The appearance of the beam pattern may vary between vehicles.
Identify at the top edge of this high intensity area a distinct horizontal cutoff in the beam pattern. If the top edge of this cutoff is not even with the horizontal reference line, the headlamp beam will need to be adjusted.

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Apr 06, 2010 | 2000 Ford F250 Super Duty Crew Cabs

1 Answer

How do you adjust a headlight from pointing up to the right height


VERTICAL AIM ADJUSTMENT
1. Park the vehicle on a level surface approximately 7.6 meters (25 feet)
from a vertical wall or screen directly in front of it.

2. Measure the height from the
center of your headlamp to the
ground and mark a 2.4 meter (8
foot) horizontal reference line on
the vertical wall or screen at this
height (a piece of masking tape
works well). The center of the lamp
is marked by a 3.0 mm circle on the
headlamp lens.

3. Turn on the low beam headlamps to illuminate the wall or screen and
open the hood.

4. On the wall or screen you will
observe a light pattern with a
distinct horizontal edge of high
intensity light with a slight angle
towards the right. If this edge is not
at the horizontal reference line, the
beam will need to be adjusted.

5. Locate the vertical adjuster on
each headlamp, then use a 4 mm
socket/wrench to turn the adjuster
either counterclockwise (to adjust
down) or clockwise (to adjust up)
aligning the upper edge of the light
pattern up to the horizontal line
.
6. HORIZONTAL AIM IS NOT
REQUIRED FOR THIS VEHICLE
AND IS NON-ADJUSTABLE.

Mar 09, 2010 | 2002 Ford Explorer

1 Answer

I have a green circle just right of center on the top of the screen that is about 5 inches in diameter.How do i fix it? I also have the "Replace bulb now message, and reset timer". How do I make that go...


To remove the lamp message turn on tv. Hold down the vol - button on tv and hold the 0 button on the remote at the same time for 5 seconds. "THE LAMP TIME WAS REST TO 0" will appear on the screen. As far as the green circle you will need to replace the light engine.

Sep 25, 2009 | Panasonic PT-61LCX66 Television

1 Answer

TV BLACK SCREEN WITH THE POWER ON.


It needs repair.
If the line is vertical, then something is damaged on its horizontal circuit section on the mainboard.
If the line is horizontal, the vertical circuit section is damaged.
have it repaired to a qualified service center or person!
avoid switching it to avoid further damage on other parts!

May 28, 2009 | Philips 32RF82S TV

1 Answer

Weird colors on my tv


If it is a tubed TV the spot suppressor is no longer working.

Mar 07, 2017 | Sharp Aquos LC-32D40U Television

1 Answer

D52W19 No pix, sound good - now green light blinks, no come on


First of all you need to find out which CRT leaked and replace it before any other repairs are done. The clear liquid is conductive and has done damage to the CRT board or boards.

Jun 15, 2008 | RCA D52W19 52" Rear Projection Television

3 Answers

Horizontal lines are appearing and moving acrosss the screen of my View Sonic E50C Monitor...


What is wrong with your monitor is that the Horizontal section is going faulty, the lines you are seeing are the Horizontal Retrace lines, usually invisable in a working unit. It is often a faulty capacitor(s) OR a Diode breaking down.. in the area of the Flyback Transformer. Probably time for a new one unless ya can fix it yaself.

Jun 11, 2007 | ViewSonic E50C 15" CRT Monitor

1 Answer

Sony 27" XBR failure


I will suggest dont ise it until someone who is qualified comes over to give you an estimate,I belive you have a lot of loose conections in the horizontal driver and output circuits,power supply and crt board.Should not be expensive to repair right now. Good luck.

Sep 18, 2006 | Sony KV-27V42 27" TV

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