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ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here!..

Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

mga bossing ask ko lang kung paano gamitin ang 7812? balak ko po syang gamitin sa jeep (24v) tapos diba yung 7812 is pang-regulate ng voltage into 12v. yun po ang magsusupply sa 15 led modules (12v 0.72w/module) na magiging indoor light ng jeep ko. diba 3 yung paa nung 7812, para saan ang gitnang paa? nabasa ko kasi ground yun, pero di ko gets kung bat may ground. ground in ba yun o out? kung out, dun ako kukuha ng negative na supply ng module o sa body ng jeep?

chaka pakitingnan nyo po itong image na ito, nagtataka kasi ako kung bat may capacitor? kelangan ko rin ba sya o di na?
http://img529.imageshack.us/img529/5739/lm7812diygr3.jpg

baka may magsabi kelangan ko ng heatsink, don't worry po meron na.

salamat po sa sasagot. more power sa inyong lahat!




Correct ground un bale un na rin neg.(-) mo at kung bakit nilalagyan ng capacitor para mabawasan ang tinatawag na ripple the more na mataas ang farad mo maganda tama rin na my heatsink kc mag produce talaga yan ng heat...:thumbsup:
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

Patambay ako dito boss, makakatulong sakin to. :)
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

ok to ah
sana madagdagan pa.........
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

busy lang si sir henyo...

buti may mga tech na still updating this thread.. kudos sa inyo... lalo na kay sir cabelto :thumbsup:
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

si sir Jaydee99 Thanks din sa Tulong nya :salute:
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

mga master di ko pa rin naayos crt ko. malabo lang yung picture pero may sound may osd.color sya na naging black and white na. ang ginawa ko lang resolder ng crt board (yung paikot) palit ng capacitor sa vertical section. ano kulang ko? pls help.
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

Boss "cabelto971" can you help me about my assignment.
Wala kasi ako makita kay pareng google eh.
Baka sakaling alam mo kung anu ano ang common problem and solution for flat iron and rice cooker.
Sana matulungan mo ko . :pray:
 
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Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

salamat sa reply sir. sinet-up ko na kanina yung voltage regulator and yung led modules ko kasi coding ng jeep ko ngayon. di ko pa nakabitan ng capacitor since kahapon pa ako bumili ng 7812, di ako alam na kelangan din pala ng cap kasi madalas na setup is walang ganun. next coding babaklasin ko yung 12v supply ko para kabitan ng capacitors.

may ilang dagdag katanungan lang po sir. enumerate ko nalang para mas detailed.
1. since magkaiba yung 2 capacitors na nasa pic, alin sa kanila ang ilalagay ko sa 24v, tapos alin ang sa 12v?
2. pwede bang wag ko nang lagyan ng heatsink, iturnilyo ko sa body ng jeep para derecho na rin body ground?
3. ilan ang max amp ang kayang i-supply ng 7812? kaya rin ba nyang supply-an ang led headlight na 15w max power consumption? 12w yung low beam nung led headlight so walang problema dahil 1amp sya. kaso pag naka-high beam is 15w. so kung 15w yung high, lumalabas na 1.25amp sya (1 piece 7812 per headlight gagawin kong setup), kakayanin ba yun ng 7812?

nakita ko yung online calculator ng watt to amp (link), 12w=1amp (12v). nakalagay din sa image na posted ko sa taas is up to 1.5amp yung 7812 kaso syempre inaalala ko pa rin dahil baka pag bumigay yung 7812 is masira rin yung led headlight. mahal ang led headlight kaya nag-aalala akong ituloy yung next project ko.

thanks in advance po sir neme011 or kung sino man ulit ang sasagot sa mga katanungan ko.
up ko po...
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

Boss "cabelto971" can you help me about my assignment.
Wala kasi ako makita kay pareng google eh.
Baka sakaling alam mo kung anu ano ang common problem and solution for flat iron and rice cooker.
Sana matulungan mo ko . :pray:[/QUOTE

sa 2 na yan ang pina ka common problem niyan hindi umiinit..
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

Good Day Sir Henyo!!! :praise: :thumbsup: :D
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

Boss "cabelto971" can you help me about my assignment.
Wala kasi ako makita kay pareng google eh.
Baka sakaling alam mo kung anu ano ang common problem and solution for flat iron and rice cooker.
Sana matulungan mo ko . :pray:

yah...kadalasan ang Problem ng Plantsa and Rice cooker Hindi umiinit...

Rice Cooker sir Meron si Sir Henyoboi nyan :thumbsup:
Visit mo lang po ito oh para sa Solution ng Rice Cooker :D

www.symbianize.com/showthread.php?t=832571
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

Boss "cabelto971" can you help me about my assignment.
Wala kasi ako makita kay pareng google eh.
Baka sakaling alam mo kung anu ano ang common problem and solution for flat iron and rice cooker.
Sana matulungan mo ko . :pray:[/QUOTE

sa 2 na yan ang pina ka common problem niyan hindi umiinit..

nice... welcome back sir Henyo :salute::salute:
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

newbie lang po isa po akong electronic technician salamat at may nakita akong thread about electronics matagal ko nang hanap to
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

newbie lang po isa po akong electronic technician salamat at may nakita akong thread about electronics matagal ko nang hanap to

Wow!!! Welcome Dito sir vintot26 :clap: :clap:
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

Boss "cabelto971" can you help me about my assignment.
Wala kasi ako makita kay pareng google eh.
Baka sakaling alam mo kung anu ano ang common problem and solution for flat iron and rice cooker.
Sana matulungan mo ko . :pray:[/QUOTE

sa 2 na yan ang pina ka common problem niyan hindi umiinit..

newbie lang po isa po akong electronic technician salamat at may nakita akong thread about electronics matagal ko nang hanap to

parang ako lang ikaw sir hehe... welcome sir :salute::salute:
 
Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

sir ask ko lang kung anu prob ng tv nmin kasi sira lahat ng channel gasgas ung screen maliban sa chan 5 mjo ok. nka cable kc kami nka 3way spliter ung isa sa baba sa tito ko isa dun sa kbila sa lolo ko, sa kanila malinaw at ayos namn pero samin hndi, nagtry nrn ako na iconnect sa knila ung tv nmn sira prn channel, sa tv na kaya ung sira nun kc dati nman hindi ganun, nagpalit narin ako ng cable wire wla parin nag bago, anu po ba sira nun...:help::help::help:
 
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Re: ELECTRONICS TECHNICIAN Threads and Inquiries Plus Post your Accomplished Job Here

sir henyo patulong nman sa lcd tv ko,
umilaw ang power led pero walang display..
anu kaya possible problem nito?
nagkaganito lng po ito kahapon pagkatapos lindol...
TIA...!

na.test ko na rin pala output ng inverter sir henyo may output po cya 5v AC sa apat na output... , kamukha po cya nung inverter na may sunog na ic post mo nuon pero wala aqng nakitang lumubo, parang normal lahat.... san po kaya problema nito sir? di ko rin ma.off ang tv ko kahit e.remote ko pa, lagi nlng nka.on...
 
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