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Author Topic: Ano Error sa ganito behavior? Look for visual description  (Read 5032 times)

Offline Red Sonjah

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Ano Error sa ganito behavior? Look for visual description
« on: March 19, 2008, 11:47:18 AM »


mabilis pa jan pagpalit ng screen nakakahilo  ::)
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Ano Error sa ganito behavior? Look for visual description
« on: March 19, 2008, 11:47:18 AM »

Offline Siramiko

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #1 on: March 19, 2008, 06:52:36 PM »
di ako sigurado  dito , kasi ang supply(secondary ng chooper) ng monitor  may dalawang voltage 70 volts at 90v (not sure sa exact voltage) , na nag supply sa flyback pero hindi sila gumagana ng sabay, depende sa resulotion kung alin ang gagana.
baka kaya  naloloko ang voltahe, biglang nag papalitan ang mataas at mababang botalhe, ang tendency tuloy lumaki at lumiit  ang picture.       
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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #1 on: March 19, 2008, 06:52:36 PM »

Offline Ugin

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #2 on: March 20, 2008, 04:27:22 AM »


mabilis pa jan pagpalit ng screen nakakahilo  ::)

"No signal connection, please check the cable" ba ang error na nakadisplay sa monitor mo? If that's the case, then check the cable (VGA cable going to video card). Verify on a known working monitor to isolate the problem.

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #2 on: March 20, 2008, 04:27:22 AM »

Offline Ugin

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #3 on: March 20, 2008, 04:31:21 AM »


mabilis pa jan pagpalit ng screen nakakahilo  ::)

"No signal connection, please check the cable" ba ang error na nakadisplay sa monitor mo? If that's the case, then check the cable (VGA cable going to video card). Verify on a known working monitor to isolate the problem.

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #3 on: March 20, 2008, 04:31:21 AM »

Offline RRcom

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #4 on: March 20, 2008, 11:49:11 AM »
check mo muna yan sa ibang cpu maaring di sa monitor mo problema try mo rin i clean mga pin ng videocard
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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #4 on: March 20, 2008, 11:49:11 AM »

Offline Red Sonjah

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #5 on: March 26, 2008, 12:05:34 PM »
Sorry sa description error ko,

Sinadya ko talaga i desconnect cable para sa no signal connection. ang main error talaga yung screen size nagbabago.salamat sa post nyo.

@ tech Voltage  tech pinalitan kona mga transistor mosfet sa relay.voltage nga yata talaga problema ganyan rin mga sinabi ng iba sakin pero di ako alam kung pano mag uumpisa. help thanks sa lahat
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Offline Siramiko

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #6 on: March 26, 2008, 12:16:41 PM »
sa bandang power supply section ka mag hanap ng sira, kung meron yang B+ adjust bias (potentiomter ) tingnan mo baka sira nayan
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Offline Red Sonjah

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #7 on: March 27, 2008, 11:06:20 AM »
Ok naman mga diode bridge nya.at saka tech nun sinundan ko tv practical troubleshooting post mo   nun test ko yung malaki capacitor  -, + base sa capacitor at led 0-ohms siya. pero ok na yung capacitor kapag tinanggal sa board. wala siya b+ adjust wala nakalagay na pihitan, puro resistor lang nakalagay.

Diba sa monitor may nagko-control ng malaki transformer yung t601 IC ba o mosfet.naisip ko posible yung rin sira?
cn601 ay main filter capacitor ba?  ceramic siya na may malaki paa.

salamat ng marami. ;)

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Offline Red Sonjah

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #8 on: March 27, 2008, 11:07:38 AM »
SMPS nagcocontrol
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Offline Red Sonjah

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #9 on: March 27, 2008, 11:41:47 AM »
electrolytic ba main filter,

Ok naman mga diode bridge nya.at saka tech nun sinundan ko tv practical troubleshooting post mo   nun test ko yung malaki capacitor  -, + base sa capacitor at led 0-ohms siya. pero ok na yung capacitor kapag tinanggal sa board. wala siya b+ adjust wala nakalagay na pihitan, puro resistor lang nakalagay.

Diba sa monitor may nagko-control ng malaki transformer yung t601 IC ba o mosfet.naisip ko posible yung rin sira?
cn601 ay main filter capacitor ba?  ceramic siya na may malaki paa.

salamat ng marami.
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Offline Red Sonjah

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #10 on: March 28, 2008, 12:30:52 PM »
It is possible that the EHT regulation may be working in two modes due to a defective component, what is components I need to check?
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Offline jhamir

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #11 on: March 28, 2008, 08:45:24 PM »
janpumapasok ung troubleshooting na kelangan tlga naka monitor ka sa b+   kelangan constant angvoltaged dapat taas baba  ... try mo paganahin paganahin habang nakatutok ka sa collector ng hout... at sa kabilang kapacitor nman galing regulator chopper (secondary) tnx gudluck
dampulay na.......

Offline gry43

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #12 on: March 30, 2008, 08:17:58 AM »
It is possible that the EHT regulation may be working in two modes due to a defective component, what is components I need to check?

any update on your monitor? i have the same monitor problem ryt now,ok mga voltages sa secondary chopper, replaced ko na KA2143,TL494CN,KA358, same problem pa din, check ko na din FETs and small transistors around resolution switch circuit, ganun pa din, pls post update..thanks! ;) ;) ;)

Offline Red Sonjah

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #13 on: March 31, 2008, 11:14:15 AM »
any update on your monitor? i have the same monitor problem ryt now,ok mga voltages sa secondary chopper, replaced ko na KA2143,TL494CN,KA358, same problem pa din, check ko na din FETs and small transistors around resolution switch circuit, ganun pa din, pls post update..thanks! ;) ;) ;)

Lan ya, pati ikaw  Gray43 na isa sa magagaling dito sa forum nahihirapan rin ayusin ganito problema ng monitor well hwag mo na palitan yung sync ic tda9109 kasi wala rin effect halos pareho mga component natin ano model ng monitor mo? and update me rin kapag naayos mo :)

Check me Jhamir and others ;) parang kina-cut ng CRT yung hieght and vertical ng screen, high voltage sa tube siguro ang problema pero naguguluhan ako.

pasinsya na Jhamir mahina pako sa voltage testing (reading) :D
janpumapasok ung troubleshooting na kelangan tlga naka monitor ka sa b+   kelangan constant angvoltaged dapat taas baba  ... try mo paganahin paganahin habang nakatutok ka sa collector ng hout... at sa kabilang kapacitor nman galing regulator chopper (secondary) tnx gudluck

base on the service manual http://www.free-service-manuals.com/Detailed/34404.html

you mean test ko HOT voltage collector, "at yung kabilang capacitor" ?
sinya na studyante palang  ::)
 
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Offline gry43

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #14 on: March 31, 2008, 08:08:41 PM »
Lan ya, pati ikaw  Gray43 na isa sa magagaling dito sa forum nahihirapan rin ayusin ganito problema ng monitor well hwag mo na palitan yung sync ic tda9109 kasi wala rin effect halos pareho mga component natin ano model ng monitor mo? and update me rin kapag naayos mo :)




korek ka jan, minsan kasi my tinatawag na bangungot! ahahaha,update kita pg nagawa ko na!  :D :D

btw trigem ang brand ng monitor

Offline jhamir

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #15 on: April 01, 2008, 12:16:47 AM »
check nyo ung safety capacitor mylar un ... conncted  from hor.output  collector  papunta common ground.....try nyo magpalit or modified dagdagan nyo same value kung ano mangyayari... wag kau matakot makikita nyo pagbabago sa screen ......note wag nyo babawasan pde palitan at dagdagan pero d pede bawasan.. masisira hout nyo..tnx gud luck
dampulay na.......

Offline gry43

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #16 on: April 01, 2008, 10:12:47 AM »
check nyo ung safety capacitor mylar un ... conncted  from hor.output  collector  papunta common ground.....try nyo magpalit or modified dagdagan nyo same value kung ano mangyayari... wag kau matakot makikita nyo pagbabago sa screen ......note wag nyo babawasan pde palitan at dagdagan pero d pede bawasan.. masisira hout nyo..tnx gud luck

already done that lumapad lng picture, ganun pa din picture with or without signal, ill try something else,balak ko soli na lng,bili na lng 2nd hand, mura na ngaun. thanks

Offline Red Sonjah

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #17 on: April 01, 2008, 11:02:03 AM »
Mylar kung hindi ako nagkakamali nakita ko yung dalawa kambal 2500v yata yung bawat isa, hindi ako makahanap ng ganunvalue sa raon. at pinagtawanan ako nun try ko bumili.hehe di raw kasi madalas masira yung pero mukhang TAMA ka jhamir kasi noon wala ako makita sira na component sa buong board nakita ko yung mylar na medyo tupi sa mylar possible kaya na sira talaga try ko palitan yan noon pero wala ako makuha value sa raon saan ba nakakabili nyan?
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Offline jhamir

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #18 on: April 01, 2008, 11:57:23 AM »
tama lalapad nga yan kaso kung sa paglapad nyan ganun pa rin ang nakikita mo.... nsa system part na ang problema nyan try mo mgpalit ng eeprom posible nagbabago data nyan.... mahirap kc ipaliwanag ng d nakikita ng personal ung unit but hope mkatulong tong suggestion ko gud luck...
dampulay na.......

Offline gry43

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #19 on: April 01, 2008, 04:56:27 PM »
Mylar kung hindi ako nagkakamali nakita ko yung dalawa kambal 2500v yata yung bawat isa, hindi ako makahanap ng ganunvalue sa raon. at pinagtawanan ako nun try ko bumili.hehe di raw kasi madalas masira yung pero mukhang TAMA ka jhamir kasi noon wala ako makita sira na component sa buong board nakita ko yung mylar na medyo tupi sa mylar possible kaya na sira talaga try ko palitan yan noon pero wala ako makuha value sa raon saan ba nakakabili nyan?

ako ang ginawa ko ng parallel lng ng 222/1600 na mylar sa collector at ground,delikado alisin ung original, pg na cold solder sira pic tube mo, ingat lng. tama si jhamir, d pwede bawasn value pero pwede mgtaas ;)

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Re: Ano Error sa ganito behavior? Look for visual description
« Reply #19 on: April 01, 2008, 04:56:27 PM »

 

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