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Burst Capacitor Found In Suns Radio

By on July 15, 2020
how to repair radio






Make and model: Portable Radio Model No.RP-S500 of Suns Corporation, Japan made in China.

Complaint reported: Set dead

how to fix radio

Trouble shooting and rectification done: Opened and cleaned the set thoroughly. On visual inspection, found the main filter capacitor was burst. A lot of dry solders were found. Dismantled the set completely. Replaced all the electrolytic capacitors on the board as a routine maintenance service. Did dry solder patch up. Set worked perfectly well, adding satisfaction to its collection.

Here are a few pictures:

how to fix and repair radio

how to service radio

This article was prepared for you by Parasuraman Subramanian from India. He is 70 years old and has more than 30 years’ experience in handling antique equipment like Valve Radio, Amps, Reel Tape Recorders and currently studying latest tech-classes conducted by Kerala State Electronics Technicians’ Association. He has done graduation in BBA degree, private diploma in Radio Engineering and retired as MD of a USA company. Presently working as Consultant to Hospital and other institutions.

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You may check on his previous repair article below:




  1. Albert van Bemmelen

    July 16, 2020 at 12:47 am

    You are like a superman that always has the capacity to replace all bad or questionable capacitors!

    • Parasuraman S

      July 16, 2020 at 7:13 am

      Ha! Ha! May be 'Capacitor Man!' (LOL)

  2. Waleed Rishmawi

    July 16, 2020 at 2:37 am

    Good job. Your picking up a lot of old stuff for repair. Keep up the good work

    • Parasuraman S

      July 16, 2020 at 7:13 am

      Many thanks dear friend! Yes, I love to work on antique sets!

  3. Yogesh Panchal

    July 17, 2020 at 4:34 pm

    Good repair sir,
    Visual inspection always save spacious time.

    • Parasuraman S

      July 19, 2020 at 5:46 pm

      Yes, very true!

  4. Humberto

    July 23, 2020 at 11:57 am

    Another set saved from the dump.

    • Parasuraman S

      July 26, 2020 at 4:36 pm

      Many thanks!


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