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Author Topic: aoc lcd monitor 152v  (Read 1034 times)

Offline duldog

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aoc lcd monitor 152v
« on: August 19, 2011, 06:26:20 PM »
gud day!

meron ako problema sa lcd monitor na ito, after power on my display pero after a few seconds nawawala ang display pero my power, namamatay ang backlight

power supply is ok ( good ang 12v and 5v lines)

walang hi-esr ecaps sa inverter section, my supply sa inverter ic (12v steady), ala ako makita defective discreet componets, mga fets and transistor e ok, pero nawawalan ng output ng ic papunta hv transformer driver circuit

since ala na ako maisip, sinubukan ko pinalitan setting ng brightness (nka 100 sya) bilis pindot habang my display pa

eto napansin ko, kapag ang brightness setting nya is 90 and below steady na ang display, steady ang ang ilaw ng backlight, meron kaunti flicker sa bandang gitna ng screen pataas

kita rin sa display, lalo na kapag white background, na medyo madilim na lalo na sa lower portion

ang idea ko nagprotect/shutdown mode ang inverter ic para ciguro to prevent further damage to the tubes kapag 100 ang brightness

my suspect ako na backlight na ang sira, weak tubes na siguro

ano masasabi nyo mga bossing? condemned na kaya na ccfl ma ito? tnx!


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aoc lcd monitor 152v
« on: August 19, 2011, 06:26:20 PM »

Offline x13r_kit_0

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Re: aoc lcd monitor 152v
« Reply #1 on: August 19, 2011, 06:43:11 PM »
base sa statement mo..,suspect ko rin ang ccfl dyan sis..,we will wait for another suggestions..
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Re: aoc lcd monitor 152v
« Reply #1 on: August 19, 2011, 06:43:11 PM »

Offline Woots29

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Re: aoc lcd monitor 152v
« Reply #2 on: August 19, 2011, 07:41:45 PM »
tama suspect ni x13r_kit_0

karaniwan na yan sa AOC
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Re: aoc lcd monitor 152v
« Reply #2 on: August 19, 2011, 07:41:45 PM »

Offline m@r

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Re: aoc lcd monitor 152v
« Reply #3 on: August 19, 2011, 09:10:22 PM »
Quote from: x13r_kit_0 on August 19, 2011, 06:43:11 PM
base sa statement mo..,suspect ko rin ang ccfl dyan sis..,we will wait for another suggestions..

agree ako dito...
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Re: aoc lcd monitor 152v
« Reply #3 on: August 19, 2011, 09:10:22 PM »

Offline ultrasonic™

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Re: aoc lcd monitor 152v
« Reply #4 on: August 19, 2011, 09:14:54 PM »
wla  akng  sasabihin  ;D

kasi  Agreed na agreed aku sa  mga  nasa itaas ko


ang maisishare ko lng  ay  halos nka almost 50 tyms na akng nkka repair ng AOC monitor na palaging defective CCFL

inaaply ko lagi ang bypass method titino ng ilang buwan. siguro mga 5months din  after that dead  na ang ccfl.

so next step is pasok na replacement  method  ;D
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Re: aoc lcd monitor 152v
« Reply #4 on: August 19, 2011, 09:14:54 PM »

Offline m@r

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Re: aoc lcd monitor 152v
« Reply #5 on: August 19, 2011, 09:30:59 PM »
Quote from: ultrasonic™ on August 19, 2011, 09:14:54 PM
wla  akng  sasabihin  ;D

kasi  Agreed na agreed aku sa  mga  nasa itaas ko


ang maisishare ko lng  ay  halos nka almost 50 tyms na akng nkka repair ng AOC monitor na palaging defective CCFL

inaaply ko lagi ang bypass method titino ng ilang buwan. siguro mga 5months din  after that dead  na ang ccfl.

so next step is pasok na replacement  method  ;D


pa OT! sir ultra saan kayo namimili ng CCFL replacement?
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Offline ultrasonic™

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Re: aoc lcd monitor 152v
« Reply #6 on: August 19, 2011, 09:35:42 PM »
only  a replacement backlight
CFL lamp na sikat sa mga motorsiklo  ;D
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Offline m@r

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Re: aoc lcd monitor 152v
« Reply #7 on: August 19, 2011, 09:36:59 PM »
Quote from: ultrasonic™ on August 19, 2011, 09:35:42 PM
only  a replacement backlight
CFL lamp na sikat sa mga motorsiklo  ;D

oo sir saan kaya namimili?
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Offline ultrasonic™

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Re: aoc lcd monitor 152v
« Reply #8 on: August 19, 2011, 09:38:02 PM »

sa mga motor accessories shop

piliin mu  yung ka same size  nya or lower ng  kunti...
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Offline duldog

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Re: aoc lcd monitor 152v
« Reply #9 on: August 20, 2011, 06:17:58 AM »
salamat mga bossing! confirmed na nga ang suspicions ko, tnx!

Quote from: ultrasonic™ on August 19, 2011, 09:14:54 PM
wla  akng  sasabihin  ;D

kasi  Agreed na agreed aku sa  mga  nasa itaas ko


ang maisishare ko lng  ay  halos nka almost 50 tyms na akng nkka repair ng AOC monitor na palaging defective CCFL

inaaply ko lagi ang bypass method titino ng ilang buwan. siguro mga 5months din  after that dead  na ang ccfl.

so next step is pasok na replacement  method  ;D


paano po ung bypass method? modification ba sa feedback circuit ng inverter? paturo naman po...

kung ccfl na pang motor ala po ba magiging pagkakaiba sa brightness nya? tnx!
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Offline panyero

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Re: aoc lcd monitor 152v
« Reply #10 on: August 20, 2011, 07:42:53 AM »
gusto ko mag try mag send ng ccfl sagutin nyo lng post,parang promo lang pag walang problem i will next time may bayad na.
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Offline RhUNhA

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Re: aoc lcd monitor 152v
« Reply #11 on: August 20, 2011, 08:11:27 AM »
ccfl n nga ang sira nito..
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Offline ???

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Re: aoc lcd monitor 152v
« Reply #12 on: August 20, 2011, 11:04:46 AM »
Ano pang pang gagawin kunti makiabang na lang.
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Offline Woots29

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Re: aoc lcd monitor 152v
« Reply #13 on: August 20, 2011, 01:05:57 PM »
Quote from: ultrasonic™ on August 19, 2011, 09:38:02 PM
sa mga motor accessories shop

piliin mu  yung ka same size  nya or lower ng  kunti...


swerte mo naman at nakakabili ka ng puti

puro blue dito eh o multi color ;D

dont do the bypass method

mag-aaway lang kayo ng customer ;D
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Offline ???

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Re: aoc lcd monitor 152v
« Reply #14 on: August 20, 2011, 01:07:45 PM »
^Hinuhuli yata sa inyo sis ang puti ang kulay kaya wala.
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Offline Woots29

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Re: aoc lcd monitor 152v
« Reply #15 on: August 20, 2011, 01:08:54 PM »
hindi. wala kasing puting motor dito sa amin puro di kulay ;D
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Offline ultrasonic™

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Re: aoc lcd monitor 152v
« Reply #16 on: August 20, 2011, 02:41:36 PM »
Quote from: Woots29 on August 20, 2011, 01:05:57 PM
swerte mo naman at nakakabili ka ng puti

puro blue dito eh o multi color ;D

dont do the bypass method

mag-aaway lang kayo ng customer ;D

tama ka  boss wootz. dapat  i aware  na  agad  ang  tumer  kong  bypass method  ang  gusto  nya... ay  di  mu  masisiguro  ilang  buwan  o  araw  lng  ang itatagal  ng CCFL. lalot kng  weak  na  masxado

DAylight  tlga  ang pinakamagandang gamitin ;D
kunsabo  ko  kasi  ang  owner ng shop  ;D

kaya  binibili  ko agad  ang mga  stock  nya
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Offline ultrasonic™

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Re: aoc lcd monitor 152v
« Reply #17 on: August 20, 2011, 02:43:09 PM »
Quote from: duldog on August 20, 2011, 06:17:58 AM
salamat mga bossing! confirmed na nga ang suspicions ko, tnx!

paano po ung bypass method? modification ba sa feedback circuit ng inverter? paturo naman po...

kung ccfl na pang motor ala po ba magiging pagkakaiba sa brightness nya? tnx!


yapz  focus sa oscillation  ic
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Offline Woots29

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Re: aoc lcd monitor 152v
« Reply #18 on: August 20, 2011, 03:14:40 PM »
Quote from: ultrasonic™ on August 20, 2011, 02:41:36 PM
tama ka  boss wootz. dapat  i aware  na  agad  ang  tumer  kong  bypass method  ang  gusto  nya... ay  di  mu  masisiguro  ilang  buwan  o  araw  lng  ang itatagal  ng CCFL. lalot kng  weak  na  masxado

DAylight  tlga  ang pinakamagandang gamitin ;D
kunsabo  ko  kasi  ang  owner ng shop  ;D

kaya  binibili  ko agad  ang mga  stock  nya


padalhan mo nga ako sis ung lappy ko na isa sira CCFL ;D
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Offline panyero

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Re: aoc lcd monitor 152v
« Reply #19 on: August 20, 2011, 03:50:20 PM »
anong size yan sis?
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Re: aoc lcd monitor 152v
« Reply #19 on: August 20, 2011, 03:50:20 PM »
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