Author Topic: samsung CT 21N30MJ (Read 1165 times)

charlie · « **on:** August 06, 2009, 10:01:49 PM »

stanby light oki. may output supply B+. gumana sandali ng hinangan ko cold solder. 110v ko plugpero wala picture osd lng. tapos 220v ko ayun ayaw na mag oscillate. ano kaya problem?

Philippine Electronics Forum · « **on:** August 06, 2009, 10:01:49 PM »

ultrasonic™ · « **Reply #1 on:** August 07, 2009, 12:09:50 AM »

Quote from: charlie on August 06, 2009, 10:01:49 PM

stanby light oki. may output supply B+. gumana sandali ng hinangan ko cold solder. 110v ko plugpero wala picture osd lng. tapos 220v ko ayun ayaw na mag oscillate. ano kaya problem?

sa tingin ko may problema ang regulator section nyu kng auto volt yan dapat the same voltage B+ out yan kahit 110/220 operated... kaso hindi xa regulated pagnakaplug-in sa 220v meaning may problema nga yan sa SMPS nyu

try nyu muna magpalit ng functional one na regualtor (^_^)

Philippine Electronics Forum · « **Reply #1 on:** August 07, 2009, 12:09:50 AM »

charlie · « **Reply #2 on:** August 07, 2009, 07:55:26 AM »

Quote from: ultrasonic™ on August 07, 2009, 12:09:50 AM

sa tingin ko may problema ang regulator section nyu kng auto volt yan dapat the same voltage B+ out yan kahit 110/220 operated... kaso hindi xa regulated pagnakaplug-in sa 220v meaning may problema nga yan sa SMPS nyu

try nyu muna magpalit ng functional one na regualtor (^_^)

oki salamat

Philippine Electronics Forum · « **Reply #2 on:** August 07, 2009, 07:55:26 AM »

ultrasonic™ · « **Reply #3 on:** August 07, 2009, 06:40:03 PM »

try din resolbahin kng anu ang sinira bakit hindi nag-oscillate, maybe sinira niya ang HOT or avalanche zener diode

HOPE makatulong (^_^)

Philippine Electronics Forum · « **Reply #3 on:** August 07, 2009, 06:40:03 PM »

mr abe · « **Reply #4 on:** February 05, 2010, 04:11:09 AM »

try mo primary replace capacitors

Philippine Electronics Forum · « **Reply #4 on:** February 05, 2010, 04:11:09 AM »

dan.enriquez · « **Reply #5 on:** February 05, 2010, 07:02:06 PM »

^ up..

Philippine Electronics Forum · « **Reply #5 on:** February 05, 2010, 07:02:06 PM »

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