Question about SAMTRON 55V 15" CRT Monitor

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After Monitor is ON, A Sound like chi chi coming out.

SAMSUNG594MG, Monitor 15", CRT

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Yes you first check the capacitor in primary filter 150microfarad/400v if faulty then replace it if not then check boost capacitor near eht (big capacitor near yoke connecter)if faulty replace it

Posted on Nov 20, 2008

  • pravin bhavsar
    pravin bhavsar Nov 20, 2008

    open only if your technical person



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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017


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Chi mei monitor has lost its resolution

Monitor now has a mind of its own and is fugar for all intents and purposes unless you can use it the way it is

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jonz luna23, You will need to do a lot of reading, then you will know what to look for inside your monitor. I can't believe you haven't been to YOUTUBE yet!!!! Do your research there first. Then come back here and tell me what you learned by watching other owners/technicians fix/repair common failed electrolytic filter capacitor problem in their units. Hope to see a reply from you and that you now know how to possibly fix your unit for $10.

Sep 15, 2010 | Chi Mei Corporation CT522A 15" LCD Monitor

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How to stop monitor menu pop up in my Desktop's CRT Monitor ? The menu pop up keeps coming back and I have to keep exiting manually using monitor menu buttons.

r u sure about model number.bcoz 55v does't come with menu.
replace regulator 7805 near microcontroller if it is model 56v.

Aug 22, 2010 | SAMTRON 55V 15" CRT Monitor

1 Answer

Hi! my problem is... whenever i look in my monitor sideways, there's a dark portions in the sides... just like in laptops.. is there anything i can do to fix it? thanks!

Hi It is completely normal for some monitors to do this, mainly with older ones, but there is no way of changing this without changing the monitor itself.

Jan 24, 2010 | Chi Mei Corporation CT522A 15" LCD Monitor

1 Answer

No power into my crt monitor samsung

first disconnect the path of EHT then check voltages if present then open H o/p transistor check it if faulty then replace it if not then EHT is faulty replace it also check IRF630 mosfet if faulty replace it

Nov 04, 2008 | LG Studioworks 563N 15" CRT Monitor

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Monitor power problum

seems there are shorted components inside your monitor.
if you have experience in troubleshooting, try testing for shorted components. diodes, transistors, bboth at primary and secondary part.
if you don't have experience better have it on a repair shop.

Nov 01, 2008 | LG Studioworks 563N 15" CRT Monitor

1 Answer

15" CRT Monitor samsung totally dead

Dear munu007 good morning this is viswanath

Don't worry I can salove UR problem

1.First U can check any physical damage in power supply (220/400v)Main capacitor,
2.And also check LOT It's OK Than Remove H O/p Transister, check SMPS output voltages ,voltages are currect That means SMPS is OK.Check Boosting FET IRF630(Q402)Change it New One,and also change the IC604 7805 Regulator.
Finally change LOT.
check any dry points (SMPS&Hori.)

Oct 08, 2008 | Samsung SyncMaster 551 15" CRT Monitor

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LG Monitor Display Problem

1. Mostly Loose contacts in video section that means CRT Neck board dry points checke it.
2.Pl check VGA Cable RGB signal pins 123 to ground 75 Ohms (on OK condition).
3.check 5v supply
4.check SDL and SCL signals.

Oct 05, 2008 | LG Studioworks 563N 15" CRT Monitor

1 Answer

No display, clipping sound appear

The clipping sound is the internal safety switch that keep shutting down the monitor.
It means there is an internal problem on the main board (overvoltage, bad component , short).
Try unplugging power cord and leaving it unplugged two or three hours, this will reset ICs by draining power completely from circuits, it is called hard reset, it rarely works.
CRT monitors waste up to 15 times more energy than TFT screen, if your CRT starts giving troubles, then it is a good time for upgrading it to a new TFT.
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