CLAVES, RECURSOS, DIAGNOSTICOS PARA TELEVISORES PLASMAS....
Description
Revisiones Claves para PLASMAS
Como chequear voltajes de fuente?
Como chequear voltajes de YSUS?
Como chequear voltajes de ZSUS?
COF #ev$s$on (CHIPde ON COF FI!"
Estas resistencias controlan la forma de onda que alimenta a los COF. u valor de!e ser de "#.$ % "#.& O'ms .
Estos IC toman la forma de onda que viene de las X B/D para mandarlas al panel de forma controlada cundo este encendido o apagado. 96 pines por IC son controlados.
#ev$s$on de Fle%$&les de Panel
Medición Normal 0.65V -
#ev$s$on de ,ufer en Y- .#I+/
Empleando el modo de test de Diodo en el multimetro( puede revisar los pines de cortos ) valores anormales
0 Hor$4ontal l$nes $ssues *o+ to anal),e 'ori,ontal line s'ort *o+ to anal),e 'ori,ontal line s'ort-
It could ha55en that the o5en hor$4ontal l$ne $s caused &6 defect$ve scan IC $n the Y dr$ve &oard
ome times output pins of scan ICs in drive !ecome s'orted
C'ec0 output pins condition in drive ICs using t'e o'm 1eter. 2lace negative tip on ground pin of IC and t'en pass t'e positive tip across all t'e output pins at t'e connector. 'orted output pin +ill s'o+ lo+ impedance in meter.
0 Hor$4ontal l$nes $ssues *o+ to anal),e 'ori,ontal !ar *o+ to anal),e 'ori,ontal !ar-
C'ec0 scan ICs output pins condition !) 3sing t'e procedure in t'e previous page. C'ec0 for missing components on drive !oard.
C'ec0 for !ro0en or damaged Components in drive !oard.
Soldadura
Driver cloc0 line at X Driver Board is designed to operate in 4 and B group ▶ 'ort circuit at cloc0 line of Drive IC ▶ If pro!lem at input stage( several lines are defected at one point ▶ 5eplace t'e X Board of defected point
Thank you for interesting in our services. We are a non-profit group that run this website to share documents. We need your help to maintenance this website.