Question about Dell UltraScan 1600HS D1626HT 21" CRT Monitor

2 Answers

Horizontal / vertical deflection failure

The monitor is blinking yellow led 1.5 sec. on, .5 sec. off.

Any suggestions?

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Re: horizontal / vertical deflection failure

There are black and the bottom of the screen When I click on the bottom of the screen Barst given elongation I hope help and thank you

Posted on Aug 01, 2011

Re: horizontal / vertical deflection failure

The solution to this problem was to replace the sony part #CXA2043Q on the D Board.


Posted on Feb 18, 2008

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there are several reasons why picture of crt monitors did not display good picture. if your monitor had horizontal line at the center of the screen?...the faulty is in the vertical deflection, check the vertical oscillator also the fusible resistors & capacitors around that section. if there had vertical line at the center of the screen?..check the horizontal deflection, horizontal output transistor also check the YOKE.

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My compaq monitor just start blinking and now only haft past of the screen is visible. the rest just went black with on bright shining line on the middle of the screen

Your monitor have problem with vertical deflection section. Can caused by the faulty vertical driver IC and faulty electrolytic capacitor it the vertical section or dry soldering in the pins of the vertical driver IC. When vertical section fails horizontal lines come on the screen. For testing the same you have to open the monitor and remove the main board. you can easily find out the vertical ic. just follow the four wire running from the deflection yoke ( coil on the crt neck) of which two will go to the horizontal section (normally red and blue wire) and two will go to the vertical section ( Normally yellow and green wire). Follow the yellow and green wire which will be connected to one of the socket in the main board. Follow the circuit track in the main board which will lead you to the vertical deflection section. There you can see one ic is fitted on a aluminium heat sink.Take a close watch in soldering of its leads. Dry soldiering can happen in its leads because its a component which will got to a temperature about 75 degree above at its normal working condition. if found any dry-soldering or not just resolder all the pins of that ic. then check the monitor. If problem remains then you have to relapse the ic.While replacing the ic try to relapse all the capacitors in that section. It will prevent from any further damage to the new vertical ic. if you need any more assistance feel free to contact me through fixya

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Green light continously blinking in samsung sync master 753s

1. cpu problem. why because of there is no signal output from cpu to monitor. the led blinking means there is no vertical, horizontal signals from cpu to monitor.

2. your monitor connected to another system.

3. neck board dry points.

4. cheak the display cable. 13&14 pins are horizontal, vertical signals.1, 2, 3 pins , R G B , 6 ,7, 8 pins R G B ground ( coaxiler cable used , meshed wire is ground )

Oct 13, 2008 | Samsung SyncMaster 753S 17" CRT Monitor

6 Answers

Monitor problem


Appreciate the "Ask Me".

I am assuming that you have more than just familiarity with electronic components and circuitry, the use of a DVM and a soldering iron. Further, that you have access to a service manual.

Width problem is basically insufficient horizontal deflection, then analysis would have to be in the horizontal section. Areas to initially focus on:
  1. 12V line and pin 29 of IC401;
  2. 110 V peak to peak at collector of Q403, if yes check Q 402 & 404 as well as T401;
  3. other components that affect the horizontal size are:
  • IC201
  • Q 405, 406, 407 & 408;
  • D409
  • L401
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Aug 06, 2008 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

A very thin vertical brun line in the middle

If it's a straight vertical or horizontal line always in the same place it's a panel issue which the average user even with repairing skills will not be able to reliably repair ,Sorry.

Feb 25, 2008 | Dell UltraSharp 1905FP LCD Monitor

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Horizontal lines

sometimes I encounter vertical lines below..... when i tap the sides it clears for a time being  but after a few moment again appears

Dec 06, 2007 | AOC 19LVWK LCD Monitor

2 Answers

AOC 17"

This seems like a leaky output capacitor. Trace the wire from the deflection coils (in the yoke) that leads to a fairly large electrolytic capacitor (usually less than 1000 uf, 220 or 470 uf and rated at more than 100 volts)Replace with new one. Electrolytics have limited lifespan. Take care when working with TV and monitor. Some large capacitor can retain charges even after the power is off. wait about 1 minute or 2 after pulling the plug before touching anything. Good luck

Feb 28, 2007 | AOC CT700G 17" CRT Monitor

1 Answer

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Your monitor uses one transistor for High Voltage and one for Horizontal deflection. (Many use just one transistor for HV and Deflection). The transistor you removed is the deflection transistor.

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Samsung syncmaster 204b

Yes. There is no vertical deflection. The circuit that controls vertical deflection is bad. This is an easy fix for a TV tech. Take it to the TV repair shop.

Dec 14, 2006 | Samsung SyncMaster 204B 20.1" LCD Monitor

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