polytron 21r123d nid help

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polytron 21r123d nid help

Post by hernan on Mon Nov 21, 2011 10:17 pm

mga bosing cnu poh my alm n schema ng polytron 21r123d, wla kc aq mkta ky pareng google eh,. Ang trouble kc eh nung una, nwwla ang pix, tas ngging red screen taz mggng wite nmn, taz mwwla n ang screen wla n mkta, meron nmang sound. Slmat poh s 22long..

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Re: polytron 21r123d nid help

Post by hernan on Mon Nov 21, 2011 10:26 pm

e2 plng gnwa q, ok nmn crt soket tas ngresolder aq s my pining ng flybk n cold solder. Tas pg on q ng wite scren taz bgla ng shootdown, red led stby nlng ngaun.. Ok nmn 115b+ no oscltion..

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Re: polytron 21r123d nid help

Post by ultrasonic™ on Tue Nov 22, 2011 1:44 pm


hhmmm.... Chassis BM5 yan ha. try ko sa baol ko. bka nandun pa yun.

on topic:

kng human-made trouble ang huling cause ng pagsashutdown.. review mu ulit ang huli mung nagalaw bka may nagshort sa mga solder joint na hndi dapat o napatakan ng lead.

then check mu ang mga supply lalot ang mga test point. Hvcc, HOT Vert. & etc.

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Re: polytron 21r123d nid help

Post by hernan on Tue Nov 22, 2011 3:04 pm

ncheck q n sir un dn hnla q dti pero ok nmn ung hnang q, ang hninang q lng nmn eh ung s hot s pin ng fbck, tas un n, d kya flbck slarin? Pnu mdtermine qng cra ang flybck ok nmn kc ung hot..

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Re: polytron 21r123d nid help

Post by ultrasonic™ on Thu Nov 24, 2011 7:31 pm

test mu sa tester kng my kick pulse ka ba sa base terminal ng HOT mu... by means of observing. abangan mu ng tester jan, set mu sa 10Vac.. then pabilisan ng mata... kng my masusukat kang around 1v-4vac jan


regarding with the FBT tester.. pwede mung isalang ang FBT mu sa diy flybak tester.. kng duda kang heavy load yan at yan nga ang salarin sa di pag-ooscillate. takenote lng,... ang diy equipment na yan ay pang test lng sa HV at mga LV secondary out ng FBT(heater, Vert, video & etc...) for the exact frequency response di na yan sakop jan..

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Re: polytron 21r123d nid help

Post by dizon on Fri Nov 25, 2011 1:47 pm


slamat po dito master. idol ka talaga namin

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Re: polytron 21r123d nid help

Post by Electro on Sat Nov 26, 2011 12:35 pm


lupit mo talaga master. subok na kita noon pa. sana makuha ko lahat ng nasa utak mo

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Re: polytron 21r123d nid help

Post by daltanics on Sat Nov 26, 2011 11:47 pm

[img][/img]
subukan ninyong gamitin ito.lopt ,fbt,yoke,chopper tester.kay dick smith.sensya na snapshot lang to.searh nyo nalang sa google para sa schematic at layout ng pcb.

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Re: polytron 21r123d nid help

Post by daltanics on Sat Nov 26, 2011 11:50 pm

daltanics wrote:[img][/img]
subukan ninyong gamitin ito.lopt ,fbt,yoke,chopper tester.kay dick smith.sensya na snapshot lang to.searh nyo nalang sa google para sa schematic at layout ng pcb.
[img][/img]

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Re: polytron 21r123d nid help

Post by ultrasonic™ on Fri Dec 02, 2011 12:01 pm



tnx for sharing sis daltanics +1 ka sa akin..
hnstly meron nku nyan.. malupit din yan... (^_^


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Re: polytron 21r123d nid help

Post by daltanics on Fri Dec 02, 2011 11:05 pm

thanks po master ultrasonic bounce

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Re: polytron 21r123d nid help

Post by Electro on Fri Dec 09, 2011 9:53 am



+ 1 sayo master daltanics. gawa din ako niyan. pahingi ng diagram

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Re: polytron 21r123d nid help

Post by daltanics on Fri Dec 09, 2011 10:40 pm

[img][/img] heto na tiagaan mo lang mag layout

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Re: polytron 21r123d nid help

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