Question about Philips SoHo 105E 15" CRT Monitor

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No display I ve aphilips 105e monitor. the power suply works fine but there is no display on the screen ive replaced the eht witha new one but the problem remains the same . at the same time voltages at g1 and g2 are nonexistent .pls help

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As your power supply is ok check hor. section if it becomes ok you will get voltage on g1 &g2.

Posted on Sep 26, 2007

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When i switched on monitor samsung 55v, the display comes ,with in a second display off,then power led not glowing


after 4 or 5 yrs EHT ( transformer that supplies voltage to CRT TUBE - MONITOR TUBE ) becomes weak - then 1 of the indication is ....monitor just blinks & switch offs .......so solution is EHT ( also called as flyback transformer ) should be replaced....... {{ few details about EHT---- its size will be around 3inch X 2inch X 2inch ---it will have 2 or 3 knobs to adjust focus , brightness ------ at bottom around 10 pins will be there ------- from EHT 1 thick red colour cable goes to CRT TUBE --------- on EHT its part number will be there }} -------- so if user is a technical person having idea about components ( resistors, transistors, diodes, etc ) , having tools like multimeter ( to check components) , soldering iron, soldering lead, flux, desoldering wig ( for removing components), etc also little experience in servicing field( very much compulsory) ----------------- then user can remove EHT from main board ---- take to electronic shop ----- buy same type EHT --------- fix to mainboard ( knobs on EHT should be adjusted according to picture --- after switching monitor --- this adjustment is very important ) ----------iam from bangalore (09986222774, sathyavijayasarathibabu@ymail.com) ----- here EHT's price will be around Rs 250 ( US $ 6 ) & for my customers (in bangalore) i will take another Rs 500 (US $ 11) as service charge......i don't have any idea about EHT ' s price & service charge in your place.........since it is very risky job i suggest to contact monitor service engineer ------- because they are highly experienced & can fix this component very easily.... SOME TIMES ALONG WITH EHT....A TRANSISTOR ( BIG IN SIZE & FIXED NEAR EHT) ALSO GETS DEFFECTIVE...........SO IT SHOULD BE COMPULSORYLY CHECKED BEFORE REPLACING EHT...

Mar 14, 2011 | SAMTRON 55V 15" CRT Monitor

1 Answer

Power on but no display


after 4 or 5 yrs EHT ( transformer that supplies voltage to CRT TUBE - MONITOR TUBE ) becomes weak - then 1 of the indication is ....monitor LED just blinks & no display .......so solution is EHT ( also called as flyback transformer ) should be replaced....... {{ few details about EHT---- its size will be around 3inch X 2inch X 2inch ---it will have 2 or 3 knobs to adjust focus , brightness ------ at bottom around 10 pins will be there ------- from EHT 1 thick red colour cable goes to CRT TUBE --------- on EHT its part number will be there }} -------- so if user is a technical person having idea about components ( resistors, transistors, diodes, etc ) , having tools like multimeter ( to check components) , soldering iron, soldering lead, flux, desoldering wig ( for removing components), etc also little experience in servicing field( very much compulsory) ----------------- then user can remove EHT from main board ---- take to electronic shop ----- buy same type EHT --------- fix to mainboard ( knobs on EHT should be adjusted according to picture --- after switching monitor --- this adjustment is very important ) ----------iam from bangalore (09986222774, sathyavijayasarathibabu@ymail.com) ----- here EHT's price will be around Rs 250 ( US $ 6 ) & for my customers (in bangalore) i will take another Rs 500 (US $ 11) as service charge......i don't have any idea about EHT ' s price & service charge in your place.........since it is very risky job i suggest to contact monitor service engineer ------- because they are highly experienced & can fix this component very easily.... SOME TIMES ALONG WITH EHT....A TRANSISTOR ( BIG IN SIZE & FIXED NEAR EHT) ALSO GETS DEFFECTIVE...........SO IT SHOULD BE COMPULSORYLY CHECKED BEFORE REPLACING EHT

Feb 07, 2011 | Samsung 793S 17" CRT Monitor

1 Answer

Over briteness and top botam both side cuting


open the monitor check eht rotate the preset on eht named screen brightness will be controlled
there is a three lead diode attached to heatsink near eht replace it even found ok problem of oversized display will be solved

Feb 07, 2011 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

My moniter has a black screen and is blicking blue light. i have a proview model 2200w? Was working fine until i shut down yesterday. I unpluged, nothing happened. Could it be in a sleep mode? If so, how...


this is so common in lcd monitors, its the power suply board.... most likely a capacitor.. so type a model# into google following the words "power suply" it will probably be close to $50-$60... thats better than buying a new one

hope this helps you

Feb 06, 2011 | Proview PL576Ws 15.4" Widescreen LCD...

2 Answers

Brightness and contrast increases suddenly


Check following:
1- VGA chord; is it loose or faulty?
2- Power Supply section not regulating perfectly.
3- Supply line from SMPS/Regulator power supply to EHT.
4- Brightness lines and controls (Resitance may be dry soldered or burnt)
5-Pin connection on rounded board of CRT neck may be loosed, Check it if loose than fit properly.
6- Adjust the precet for accelearting and focusing anode externaly fixed with EHT if inbuilt in EHT than only solution is to replace the EHT only.

Feb 15, 2010 | LG Computers & Internet

1 Answer

Monitor problem


Hi, sandjkroll, this kind of problem could be because of ur monitor or even because of the on board display  card on ur motherboard. To check ur monitor, u unplg display cable which goes to ur cpu and the power cable which goes to ur cpu. 
Them connect the power plug to mains, so no cable from the monitor should go to the CPU. Then u swithch on the the poower suply, and on the monitor. I
If ur monitor displays elongated screen still, and shows signal not found,and no display comes that means ur monitor needs to be send for service. and if there are no elongated screen and says no signal found, ur monitors fine, ur motherboad has a problem

From
Deepak

Sep 28, 2008 | Microsoft ChiMei CMV938D 19" Widescreen...

1 Answer

Doesnt turn on anymore.


Hi..there,
It's seems your backlight inverter is burnt out... need to be replaced with a new one or you can repaired yourself by testing all the capacitors to see which it has been burnt out or has a leaked. After that just replaced the bad caps... Good lucks, Have nice a day!

Aug 16, 2008 | Fuji FP-988D 19" Flat Panel LCD Monitor

1 Answer

Dead screen on about 5 different monitor usually happens after a power outage. The monitors still have the power light but no display but if you look closely the monitor blinks like it wants to come on. I...


If there is eht in monitor then check video section of monitor.this section is placed on crt.check video amp. ic and vga cable.check incoming wires of vga cable and components related with it.And check driver transistors of rgb.if there is no eht in monitor then change horizantal output transistor that is place onhitsink of eht. big in size.Hope is will help you.i am always here for you

Mar 25, 2008 | Computers & Internet

1 Answer

Monitor display problem


there is a problem in the vertical , change the ic please

Dec 17, 2007 | Philips SoHo 105E 15" CRT Monitor

5 Answers

Emachines 1900+ gets power to the monitor and computer but wont boot


There could be a number of causes. Do you hear any beeps when the computer starts up? Try seating all the chips in the motherboard. That means, apply pressure to each individual chip on the motherboard with your finger or thumb. The goal is to make sure each chip is securely attached to the board. Sometimes, heat or new h/w installs partially "pop" some of the chips out of the motherboard - causing the circuitry to be disconnected...

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