Author Topic: JVC-21CA17B (Read 631 times)

albert · « **on:** April 09, 2010, 07:35:55 PM »

mga sir patulong po kung ano trouble nito ok nmn po ung b+116 volts ayaw po tumuloy ung power pg on.ung relay gagana sandali tapos off na mga 5 sec.lng cguro.ala po kc akong diagram.tnx po

Philippine Electronics Forum · « **on:** April 09, 2010, 07:35:55 PM »

MX45 · « **Reply #1 on:** April 10, 2010, 08:33:23 AM »

sis .. pag ganyan ang problema marami yang pwedeng panggalingan ng sira.

Before ba na mag shutdown ang TV ay may picture at sound ba?
try mo muna sa 110VAC ang supply, tingnan mo kung ganun parin.
pag ganun parin check mo HOT, Vertical IC yung 5V supply ng System at 9V supply ng jungle baka kasi nag dro drop during with oscilation na.

cge gudluck ..update kanalang ulit.

Philippine Electronics Forum · « **Reply #1 on:** April 10, 2010, 08:33:23 AM »

Simatar · « **Reply #2 on:** April 10, 2010, 08:41:13 AM »

TS pakipost na rin mga parts na ginamit para may basehan mga gusto magreply.
at kung ano actions na ginawa mo... thanks

Philippine Electronics Forum · « **Reply #2 on:** April 10, 2010, 08:41:13 AM »

electronic repairer · « **Reply #3 on:** April 10, 2010, 09:23:21 AM »

boss check mo if all voltages are normal sa PS section...

anu na ba ngawa mo sa unit na yan?..

Philippine Electronics Forum · « **Reply #3 on:** April 10, 2010, 09:23:21 AM »

ultrasonic™ · « **Reply #4 on:** April 10, 2010, 10:26:00 AM »

@TS we need more info

baka kasi for degausser purposes ang relay na yan..
malito ang mga masters...

pero kng for main power switching yan.. malamang nagpropprotect yan..
try muna manghalukat sa mga deriver circuit nyu.. vert. sect, audio amp. sect. & etc... baka may shortage kau...

check also for the relay transistor driver nyu.. at pati na rin ang supply nya baka kasi bagsak masxado

Philippine Electronics Forum · « **Reply #4 on:** April 10, 2010, 10:26:00 AM »

Philippine Electronics Forum