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All posts by Jestine Yong

  • television repair
    Cracked Fuse, Capacitor, Shorted STR & Diodes Found In ONIDA Ultra Slim CRT TV

            This CRT TV model No.CO21SBL300B of Onida make was brought to me stating that a loud bursting noise was heard while watching the TV and it became dead. I opened the TV and...

    • Posted September 3, 2021
    • 19
  • Camphor Diffuser Repair
    Repaired Electric Camphor Diffuser And Capacitor Discharge Tool

    One of our housing society members came with Electric Camphor Diffuser to my place he needs my help to repair the unit. Problem stated by him is when he powers ON the unit – LED power indicator...

    • Posted September 3, 2021
    • 11
  • cd player repair
    Tracks Found Cut In Philips AZ1047/94 CD Sound Machine

              This set belongs to my school classmate and was brought with the complaint that it was dead. After opening the covers, I dismantled the set completely and did a thorough cleaning up....

    • Posted September 3, 2021
    • 9
  • led tv smps modification
    Modification Of LED TV SMPS

                            This BG 24 Inch LED TV came in with the complaint of no power. Generally no power symptom mostly are cause by the failure in...

    • Posted August 27, 2021
    • 9
  • lcr meter fix
    Intermittent Problems In METROQ MTQ4070 LCR Meter Solved

                  This LCR meter was bought by me a few years back and seldom used. When I took it for use recently, it was working intermittently. The on/off switch was not...

    • Posted August 27, 2021
    • 12
  • kreft valve radio repair
    Restored A Tampered And Spoiled KREFT Valve Radio

    Those of you who have missed by earlier article published on 7th June, 2018 may please visit this link: Servicing Kreft Valve Radio | Electronics Repair And Technology News (jestineyong.com) This radio was brought to me with...

    • Posted August 27, 2021
    • 12
  • universal power module
    Cracked Unknown PWM Replaced By Universal Module In Pressure Monitor SMPS

    One of the technicians brought the SMPS alone, of this pressure monitor, picture of which was shared by him through whatsapp upon my request. The SMD PWM IC had cracked and we could not trace out its...

    • Posted August 21, 2021
    • 8
  • smoke alarm repair
    Smoke Alarm Repair

                  A 40-year-old mains powered smoke alarm started occasionally triggering without smoke and the prime suspect (other than dust) was the main 4.7 μF 50V electrolytic capacitor. The capacitor was checked...

    • Posted August 21, 2021
    • 10
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