Comments on: Bulged Capacitors And Torn Speakers Found In HAIER LED TV Model LE32B7000

By: Sirajudeen

Sirajudeen — Sat, 19 Aug 2023 12:26:00 +0000

In reply to Waleed Rishmawi.

Nice job sir

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By: Parasuraman S

Parasuraman S — Thu, 18 May 2023 01:20:05 +0000

In reply to Yogesh Panchal.

Many thanks, dear!

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By: Yogesh Panchal

Yogesh Panchal — Wed, 17 May 2023 16:05:42 +0000

Good Fix! sir.

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By: Parasuraman S

Parasuraman S — Fri, 12 May 2023 13:46:12 +0000

In reply to Tito Kanshulu.

A lot of strain is born by these caps. The best way to put a slightly higher voltage rated capacitor and use a 105-degree rated one instead of 85 degrees. That can last longer. As a routine, always replace these caps when replacing the backlight. Many thanks for your comments and query.

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By: Tito Kanshulu

Tito Kanshulu — Fri, 12 May 2023 11:01:44 +0000

Good job Sir. It seems in most of these LED tvs, these capacitors, especially the one 330uf35v, always gets bulged. If it's not this one then it's the backlights. Is there any of equivalent of this capacitor that can withstand the excess heat?

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By: Parasuraman S

Parasuraman S — Thu, 11 May 2023 07:09:36 +0000

LCD inverters produce high voltage AC pulses and it is dangerous to measure it with ordinary multimeter. You may need High Voltage Probes, even if you want to measure. The best method is to use a line tester and keep it near (never touch the transformer or its wires) and see. LCD Testers are available in the market. It is better to use it. Many thanks for your comments and query!

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By: RAHEEM WAKHEEL

RAHEEM WAKHEEL — Wed, 10 May 2023 15:12:04 +0000

Thank you sir,

Please have question concerning the LCD inverter.

Please how can I test the voltage on lcd inverter transformer which supply the lcd lamp ? .

It is test with ac or DC range on multimeter??
Thanks so much.

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By: Parasuraman S

Parasuraman S — Mon, 08 May 2023 00:42:31 +0000

In reply to Imoudu.O.

Your observation is correct. It indeed is a 250 bed Super Speciality Hospital. Though we have large isolation oil filled transformer with over voltage protection, the sudden surge escapes all such arrangements and ruins the loads. In the process, the weaker circuits get affected. Many thanks for your comments and encouragement.

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By: Imoudu.O

Imoudu.O — Sun, 07 May 2023 20:41:38 +0000

It seems too many devices are breaking down in ur hospital needing ur attention which suggests it must be a very large hospital.
The tv seems to be using combo universal board.At times these boards are very difficult to repair at components level.Well thank God you just need to replace few caps.
Thanks for sharing and have a nice day.

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By: Parasuraman S

Parasuraman S — Sun, 07 May 2023 12:16:44 +0000

In reply to Albert van Bemmelen.

Well, there is a little bit of risk involved in it. But the TV needed urgent attention and I found this easy way out! Many thanks for your keen observations and comments!

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