Martes, Enero 29, 2013

tutorial how to install and determine inverter & backlight problem

u



introducing universal inverter
this simple tutorial help every one to reduce RPO if the problem is ccfl or inverter

yes we can do a remedy if have a backlight or invert-er problem it is possible when u bypass ovp/uvp/ld/ct but that way is not always safe and advisable  and number one reason y i don't recommend that because it possible that damage Ur power supply..


identifying if what section is defective is the most important let us take it one bye one

first is backlight how to make sure that u have defective backlight
  
it is very simple
buy a motor cycle accessories probe light and us his inverter as a test jig even u have one ccfl that inverter will not shutoff

*test ur ccfl one by one in 1 to 2 minutes 
*u will confirm if u have def. ccfl


inverter problem very simple to identify i don't need to explain




please see photo for help

sample of used in universal 4 ccfl inverter

i will continue this tutorial once i have time


Lunes, Enero 28, 2013

accept


swap board of LCD/LED
parts sourcing/parts sale  LCD/LED
Board repair powersupply/mainboard/inverter/t-con

technical question and anser hangat kaya ko sagutin hehe...

dont hesitate to ask mas "magaling ang taong nag tatanong kesa sumasagot"
  Universal DC-DC converter board 3V-35V input voltage, 2.5V-28V output voltage @3Amp


very useful just used imagination hehe..


650php + shipment

universal ccfl inverter




universal ccfl inverter is very usefull to repair lcd tv and lcd monitor used straigth ccfl this is very easy to install just add 3 or 4 wires vcc/grnd/dim/on/off

usage:
if ur iverter circuit if foult and no parts is available try this universal inverter easy to install just place it on the old inverter circuit just remove old inverter circuit..

if your unit used 4ccfl and u have 1 or 2 busted ccfl u can  disable the two ccfl busted without removing it on lcd just used 2ccfl universal inverter

spec.
input  9 v t0 24v
dimming function(u can disable this one)
on/off high state

pin-
vcc
grnd
dim
on/off

u can also use this for trouble shooting

availability
1ccfl(for laptop usually and test jig)
2ccfl(i usually used this if i have 4ccfl on my lcd and one or two is busted)
4ccfl(most common on lcd monitor and t.v u can used this if your inverter circuit if faulty or if your unit used 6ccfl and 1 or 2 ccfl is faulty


parts are brandnew

500php + shipping cost

gamma i.c



gamma ic is one of tme most common fault on timing control board of cmo & auo panel due to overused and heat specialy when unit is wall mounted.. as of now gamma i.c is available to me improved gamma i.c as15/as19/as34/as04 with low price only 500php + shiping cost parts are brand new

how to identify if gamma i.c is foult

*the usual defect of gamma ic is blurred picture discoloration negative image and no picture
*check t-con vcc 5v or 12v(usually)
*chech vdd/vss 3.3v

simple way to check and confirm if gamma ic is deffectvice touch it then observe the heat foulty gamma i.c is too hot than usual



if you need more info dont hesitate to leave a massage