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Dennis
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« on: March 27, 2008, 12:06:06 PM » |
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post kayo dito ng mga Troubleshooting, para makatulong sa mga beginner katulad ko  saka bigay rin kayo ng mga term at description nakita ko marami dito mga beginners hirap intendihin mga term di alam kung alin pupuntahan. halimbawa, filter capacitor, smps,regulator, etc., ex. pc monitor (model nakalimutan) ok lahat pero may ground yung screen kapag natouch ng daliri. Solution palitan kambal na ceramic capacitor katabi ng fuse leaky change it. ----------------- samsung ckb5237g(d) chassis ckb5237l may pareho model na ito nakita dito rin nakapost may iba problema di pa yata solve yung problem ng nakapost dito. Anyway problem naencounter ko sa model may tumutunog sa monitor wala naman speaker :-) solution: IC TDA9109 note wag nyo papalitan ng TDA9109/s kasi yan ang una ko pinalit nangyari nawawala picture tapos nagsisingle hor line siya. __________________ PC monitor Kulang ng kulay solution: check CRT pin usually may crack o natanggal na solder
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Failure is not defeated, Unless you stop trying
OmegaByteŽ, ExplicitmindŽ, DMSoftwareŽ
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The Philippine Electronics and Technology Forum
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« on: March 27, 2008, 12:06:06 PM » |
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Dennis
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« Reply #1 on: March 27, 2008, 12:09:05 PM » |
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Oo nga pala mas maganda pati tamang pagtest narin ng voltage at iba pa. para sa mga beginners. Thank sa inyo mga masters 
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Failure is not defeated, Unless you stop trying
OmegaByteŽ, ExplicitmindŽ, DMSoftwareŽ
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Mike
CR2032 Battery

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« Reply #2 on: March 28, 2008, 12:20:02 PM » |
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Malaki nga tulong kong may magpopost dito ng mga troubleshooting at pati narin mga terminology. marami dito nahihirapan kapag terminology na. katulad ko kahit begginer gosto rin makatulong sa mga begginers  AOC monitor Fuse blown,diode and capacitor sa power suplly always HOT shorted rin. kapag pinalitan yan mga components na yan lagi nasisira kahit original ipalit. solution:Replace Flyback, saka mga component solve the error. pero malaki gastos monitor nalang palitan mo bili ka ng second hand
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Red Sonjah
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« Reply #3 on: March 28, 2008, 12:27:26 PM » |
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ako rin post na. syncmaster saumsung syntom may tunog na "PLACK" kasabay ng panginginig ng screen. Solution: palitan CRT o kaya palitan mga cra na resistor at capacitor,diode ng CRT ung nakita ko transistor katabi ng lumobo na capacitor 
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jenelhb
CR2032 Battery

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« Reply #4 on: March 29, 2008, 05:53:06 AM » |
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bagong encounter ko ang sira na ito newbie only:
PROBLEM: pag daewoo ang tv mo at may black sa baba at lumiit yung tao sa monitor mo.
SOLUTION: vertical ang problema,palitan mo ang capacitor 1000microfarad/25v or palitan mo lahat ang capacitor sa vertical section.
CONCLUSION: karamihan sa capacitor problem sa vertical ay hindi makikita sa tester measurement.just try to change the capacitor na yung umiitim na ang pcb board o paa.
****this advice is from beginner like me******
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"MISTAKES IS A PATIENCE TEACHER"
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Red Sonjah
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« Reply #5 on: March 31, 2008, 11:24:33 AM » |
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nakikita sa palagay ko. kapag leak siya hindi bumabalik sa 0-ohms yung pointer ng meter saka kung sobra high at baba ng reading may problema na yan. madali malaman yan kung sira na kapa lumubo leak na o short yan kapag hindi naman lumubo at kapag umiinit , minsan may ground pa posilble na leak na yan. kapag ok size reading pero may kulay na brown sa paa saka malabot na yung guma sa mga paa nya leaky narin yan. electrolytic capacitor binabanggit ko. mylar,ceramic etc karamihan jan nasisira dahil sa napuputol paa o kaya sa ceramic nagdadry sa mylar di gaano nasisira yan 
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electronic repairer
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« Reply #6 on: March 31, 2008, 05:49:37 PM » |
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dont forget that some capitor problem is the ESR (Equivalent Series Resistance) you check this by using ESR Meter.
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Patience is the best attitude of an electronic repairer.
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jhamir
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« Reply #7 on: April 01, 2008, 01:11:11 AM » |
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Sharp model j chassis .... good audio good display no pic.......
330k abl section connected sa 180v gling fbt...
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jhamir
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« Reply #8 on: April 01, 2008, 01:18:47 AM » |
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sony all model good audio no pic black screen......
trouble :: ik return ..kalimitan mahina na green cathode....
solution :: crt rejuvination using crt rejuvinator
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dampulay na.......
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Red Sonjah
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« Reply #9 on: April 01, 2008, 11:16:33 AM » |
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saan ba nakakabili ng ESR ano maganda?
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mikeTech
CR2032 Battery

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« Reply #10 on: April 15, 2008, 03:03:56 PM » |
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kolin kct-2170, tv ng sister ko, nag-rerespond sa remote-on momentarily pero ayaw magtuloy mabuhay, checked the SMPS power supply ok naman voltage sa primary pero very low sa secondary,de-soldered & checked ko HOT, ok naman, check ko lahat caps, resitors, diodes sa secondary ng smps ok naman, desoldered the flyback primary windings, ayun gumana na ang smps may steady stand-by power na. shorted ang ibang windings sa primary kung pagbabatayan yung schematic na nakuha ko sa net, ginalugad ko buong raon wala kamuka flyback# buti nandyan si pareng gugel, nakakita ako ng list of russian tvs using the same major components, inilista ko yung mga # ng flybacks, mga 5 yata yun. balik ako sa DEECO, merong isa tumugma. mas maganda pa ngayun yung picture ng tv, di tulad ng dati parang washed out ang color. and now I have my sister's laptop as payment, mahal yata ng flyback!! 
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jhamir
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« Reply #11 on: April 16, 2008, 01:34:21 AM » |
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LCD MONITORS specially BENQ models and DELL auto shutoff.... gud regulator.. ...
check& replace c5707...... or mosfet RfU9024..pwede d10pf parehas lng un.....sa inverter section... gud day........gud luck ...
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jhamir
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« Reply #12 on: April 16, 2008, 01:41:50 AM » |
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all computer mother board... kung keyboard not detected or error.. khit magpalit ng bago ps/2 kyboard e2 solusyon...
hint: river capacitor sa likod lng ps/2 keyboard port... pwede na alisin at wag paltan ...
my leak ang capacitor... tested.. gana ulet ps2 keyboard nyo... gud luck!!!
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jhamir
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« Reply #13 on: April 16, 2008, 02:04:27 AM » |
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sa sharp tv mga pwede pang replaced
ix1791 power reg. pede stk73907-t ng pansonic
x2933 jungle ic pede x2429 ng mas old model or ka2163 ng samsung... pwede rin ung ginamit na kolin.. na jungle iisa sila check lng ung pin no. 1 at 2 audio out un left at ryt stereo.... ung iba mono lng ginamit gud luck
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gry43
Size AA Battery
  
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« Reply #14 on: April 16, 2008, 08:52:39 AM » |
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crackling sound from flyback especially on samsung,panasonic,daewoo and goldstar tvs..defective CSB500/CSB503
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Mike
CR2032 Battery

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« Reply #15 on: April 16, 2008, 11:55:14 AM » |
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Malaki tulong ang thread na ito gumagawa si dennis ng data galing sa mga post nyo isasama nya yata sa program nya tapos share nya uli dito. post lang kayo
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jhamir
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« Reply #17 on: April 16, 2008, 09:42:09 PM » |
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all tv jvc series k f khit ung luma
my fold over parin sa taas khit magpalit ng capacitor or vert. ic.. check 7809 or 7808 ... or capacitor sa in at out ng ic regulator...
sure yari problema nyo... gudluck...!!!!
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gry43
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« Reply #18 on: April 18, 2008, 06:46:51 PM » |
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toshiba service code menu-4-7-2-5
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jhamir
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« Reply #19 on: April 20, 2008, 07:46:41 PM » |
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jvc serivce mode
display plus picmode sbay sa remocon gudluck
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The Philippine Electronics and Technology Forum
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