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samsung 14" K1 chassis dead set indicator light red only

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samsung 14" K1 chassis dead set indicator light red only Empty samsung 14" K1 chassis dead set indicator light red only

Post by triac Fri Dec 18, 2020 8:17 am

Patulong naman mga sis..dead set ang tv.mataas ang B+114V.Ang mga nagawa ko.

1.check all the resistor sa primary.including mylar,ceramic at filter na 50V/2.2uf okay naman.

2.check all resistors & electrolytic capacitor sa B+ Okay din.
3.replace smr40000 & HIS0169.no luck.pareho lang po ba ang HIS0169A at HIS0169C?
4. +12v sa secondary meron,+12 sa collector ng transsitor meron.
5.+12V sa ka7631 meron din.
6.+9V sa jungle IC wala po.Tataas po ba ang B+ kung walang supply ang jungle IC?
7.+5V sa memory meron din po.

sana po may makatulong..salamat po.wala po itong optocoupler sa primary side na model.
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Post by triac Tue Dec 22, 2020 8:49 am

add ko lang sa info ang boltahe sa capacitor sa primary na 16v/2.2uf is 5V lang.up ko lang ito baka may makadalaw dito..salamat po.
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Post by Hertz Wed Dec 23, 2020 12:44 am

normal na mataas ang B+ ng ganyan model. aabot yan nang 140-145V

check mo ang zener diode sa S.Amplifier baka shorted
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Post by triac Sat Dec 26, 2020 4:04 pm

Hertz wrote:normal na mataas ang B+ ng ganyan model. aabot yan nang 140-145V

check mo ang zener diode sa S.Amplifier baka shorted
sir hertz.salamat po....sorry ngayon lang nakareply..
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