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Sharp 14V-J100M Ayaw mag on ang 2nd power...Help

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Sharp 14V-J100M Ayaw mag on ang 2nd power...Help Empty Sharp 14V-J100M Ayaw mag on ang 2nd power...Help

Post by st_richard04 Sat Mar 17, 2012 11:40 am

Bakit po Kaya?

EEprom: 24CO1
System: IX2946CE
Jungle: X2933CE

Meron pong Ilaw yung 1st Power pula po kulay, meron pong standby Supply sa relay Papuntang B+ 144V, buo naman po ang switch, Meron po akong nasusukat na 4.8V sa Pin5,6 at 8 ng EEprom , Bakit po nung sinusukat ko ang pin 1 ng system ic meron akong naririnig na tunog ngayon po nawala napo.. ang lumalabas pong output sa smps ay 144V papuntang relay na diretso dapat sa B+ at 12V papunta siguro po ito sa system meron po ba kayong schematic nito? salamat sa help mga master..
1st Project 1st problem....he..he..he..
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Post by st_richard04 Sat Mar 17, 2012 12:08 pm

nag resolder narin po pala ako...
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Post by Electro Mon Mar 19, 2012 1:03 pm


master normal po yata ang b+ niyan. babagsak lang iyan pag gumagana ng maayos ang horizontal. check master baka may short kayo sa mga secondary
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Post by st_richard04 Mon Mar 19, 2012 9:09 pm

ok na ang second power nito master electro sira yung Q753..ang naging problem naman po selected yung channel nya 4 lang po ang channel , isa sa VHF isa sa UHF ano po kaya problem nito..?
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Post by arkin Tue Mar 20, 2012 7:22 am

try reprograming..anong chanel ba meron?chanel 4 ba?o apat ang nkaprogram?bkit 1 vhf at 1 uhf?pki update lng ng problem..
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Post by st_richard04 Tue Mar 20, 2012 11:13 am

salamat master arkin,,,,akala ko po rechannel lang ang problem kaya 4 lang ang nasasagap na channel, isa po yung channel 2 o abs-cbn at tatlo po sa cable jack tv, ball sports channel at aljacerra news, pano po ba mag re program? ano po ang kailangan ko?salamat
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Post by Electro Wed Mar 21, 2012 6:25 pm


master kong maganda ang antenna gamit mo. subukan mong auto program master. kong ayaw maisave ang ibang mga channel. manual mo na lang. nasa menu po yata ang lahat ng adjustment
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Post by ultrasonic™ Fri Mar 23, 2012 9:40 am

Valeo series pa yata ito.. try mu ito ts for the SVC manual
Sharp Chassis L2 (Valeo)

for the rechanneling. sundan mu lng sina jeff at arkin.
at mgkape ka na (^_^

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Post by kaholito Tue Apr 03, 2012 10:19 pm

same problem normal lahat ng voltage sa sec inclubing b+ pero ayaw magkaroon ng hv.sa jungle ba ang dapat mag bigay ng hv?ano ba ung afc.?
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Post by Electro Fri Apr 13, 2012 6:56 pm


master kaholito baka may problema kayo sa bandang vertical master.
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Post by jojogreg Wed Oct 24, 2012 1:32 am

same problem din po ang naecounter ko sa sharp cinemaborg 21v-100m mga master.una ko po talga problema ay blurred picture lang na meron white multiple lines.ngtry ako palitan ang vertical IC na TDA8403K peron ganun parin.then kinabukasan power on ko uli ng tv pressing power button tact switch napansin ko na mdyo delay and click na naririnig ko yun ata yun relay pero mahina lang ang click nya then after few seconds click na naman ng mahina but blank and screen as in no sound.possible po kaya na nasira ang vertical ic na pinalit ko?nag sukat ako ng voltage sa secondary meron po ako nasukat na 150vdc from diode passing thru relay then connected to fbt b+ pero base on schematic dapat 115vdc lang ang b+ nya.ok lang po ba eto mga master?bakit po kaya mataas ang nilalabas na voltage ng secondary for b+?pero yung 12vdc normal as in exact voltage po nasusukat ko.Supply ng H-vcc ay galing sa 12volts then passes thru a regulator zener to produce 9.1volts with a parallel filter capacitor pero ngsukat ako ng voltage sa pin ng h-vcc ala po ako masukat.possible po kaya defective yung zener diode or yung capacitor?
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Post by jojogreg Wed Oct 24, 2012 1:52 am

sa jingle ic po masusukat ba ang horizontal drive?ilang voltage po ba dapat ang masusukat ko?anu ba dapat ang supply voltage para sa jingle ic?nagsukat din ako ng voltahe sa pin 2 ng horizontal drive tranformer pin 1 ay connected to collector of horizontal drive pero ala ako nasukat.disconnect ko yun series resistor from jungle ic connected sa base ng horizontal drive,may nasukat na akong 150vdc sa pin ng horizontal drive transformer.check ko transisto out of ckt ok naman.Isa pa napansin ko present yung 150vdc b+ sa fbt pero alang output yung lahat ng pins ng fbt tulad ng 24vdc for vertical supply,185vdc para sa crt at 12vdc para sa mga regulator ic kahit nakahang at hindi ang series resistor sa base ng horizontal drve tr.Sira na kaya ang fbt nito mga master?patulong naman po kinukulit na ako ng may ari huag naman sana bawiin o dalhin na sa iba..
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Post by ultrasonic™ Thu Oct 25, 2012 5:51 pm


teka nahilo ako...
create new thread or focus on one thread.. para di mgkahalo halo ang mga advice

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Post by noyzky7 Fri Dec 06, 2013 11:09 pm

master help nman, sharp 14v-j100 everytime na sw on ko ang main power, R701 or R702 (3.7, 7w) parati nasisira (open). at ang Q701 (D1884) parati nasisira (short).. test ko all primary supply component ok nman lahat. I replace this 2 component twice already but same result.. i even replaced IC 701 but no success.
Pero try ko 110v supply wla nman nangyayari sa R701 and Q701 hinde sla nsisira but no power indicator,but no 12v and B+ vol in secondary.
TIA
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Post by Ahmadiloz Sat Dec 07, 2013 7:44 am

hilong hilo na si Sirl ultrasonic lol!  peace 
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Post by Electro Sat Dec 07, 2013 12:10 pm

master noyzky7. palitan mo ulit ang tea2261 at na din ang main capacitor. sabi mo kasi nasisira pag naka 220. paki check na rin master sa value ng mga resistor. r701-2.7ohm 10w at r702-1.5ohm5w. yan kasi nakalagay sa diagram.
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Post by noyzky7 Sun Dec 08, 2013 10:30 am

tnx master eletro i follow all ur suggestion plus i replaced all ecap in primary section. may power na sya, kaya lng intermittent minsan my power indicator, pag pinatay mo ung main sw pagbukas mo minsan walang power.. i check the main sw. at power cable ok nman. TIA.
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Post by Hertz Mon Dec 09, 2013 11:41 am

nasubukan bang macheck ang dalawang secondary capacitor at taasan ang screen.

mas maganda gawan na lang ng panibagong subject

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Post by ultrasonic™ Tue Dec 10, 2013 7:05 pm

^ agreed agreed.. medjo nkakahilo na  T_T

pki check na rin ang start-up resist. bka change value

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