Guest Post | Electronics Repair And Technology News

Conversion Of CCFL To LED Backlight Done In PANASONIC TH-L32C22D

Jestine Yong — Sat, 18 Apr 2026 05:30:36 +0000

This TV was brought by a new customer as per recommendation of another to whom I had repaired a CRT TV long back. The complaint was that the backlight was flickering and even though he had taken to a technician a few times, it just worked only for a week or more and same problem […]

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USB Hub Not Working

Jestine Yong — Sat, 18 Apr 2026 05:30:02 +0000

Received USB HUB stating problem was not detecting any USB device. Connected the unit on my PC for testing & found it is not detecting any USB pendrive but when we connect mobile it starts charging, indicates power from the device is OK but data path is not working. So opened the unit for inspection. […]

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Two Lovely Philips Radios Saved From Dump

Jestine Yong — Sat, 18 Apr 2026 05:29:14 +0000

The thrill of working on Radios, especially the world famous Philips brand, is inexplicable. Here are two such cases which I am sharing to promote radio repairs and keep it alive among the technicians world-wide. Listening to a radio has always been very amusing irrespective of advancement of technologies by leaps and bounds! Case (1) […]

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No Display Problem Solved In TCL Android LED TV Model 32S5202

Jestine Yong — Sat, 11 Apr 2026 02:30:58 +0000

This TV was brought by a new customer as per recommendation of a regular one with the complaint that there was no display. I switched on the TV and checked whether the TV was getting on. It was and the backlight remained lit without any display. I opened the TV and cleaned inside as usual […]

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Solved Weak Output In PANASONIC TWO-IN-ONE Model RX-M70

Jestine Yong — Sat, 11 Apr 2026 02:30:09 +0000

This was brought by a recently added customer with the complaint that the output was weak in all modes; i.e., Tape & Radio. I checked the set in front of him and found it to be true. I took up the set for service as soon as I could get some gap. Paucity of time […]

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The Risks Of No Display Complaints In TVS – XIAOMI L43M6-ES & PHILIPS 43PUT6002/56

Jestine Yong — Sat, 04 Apr 2026 05:39:30 +0000

I am writing this article only to make the readers aware of the risks involved in taking up TVs with no display complaints. Strangely, the following two cases came to me within a short span of time: Case (1) Xiaomi TV : This TV was brought by a new customer who happened to be referred […]

The post The Risks Of No Display Complaints In TVS – XIAOMI L43M6-ES & PHILIPS 43PUT6002/56 first appeared on Electronics Repair And Technology News.

Solved Not Taking Load Problem In Computer ATX Power Supply Model FOXIN FPS-500T

Jestine Yong — Sat, 04 Apr 2026 05:38:18 +0000

This SMPS was brought to me with the complaint that it was getting on, but not taking load. I opened and cleaned the inside thoroughly using various brushes. Let us have a look at the board: Then started my step by step troubleshooting. The outputs were coming when tested connecting a PS tester. Then I […]

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No Display In Samsung QLED TV Model QA49Q60RAKXXL Gave A Surprise

Jestine Yong — Sat, 28 Mar 2026 02:01:24 +0000

This TV belonged to my school classmate to whom I had serviced many audio sets before. I had been complaining to him as to why was he not bringing TVs to me for service. Well, he responded positively and brought one TV belonged to his friends once, about which I have already submitted my report […]

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Dull Display Problem Solved In AMIGO Patient Monitor Model MM1121

Jestine Yong — Sat, 28 Mar 2026 02:00:28 +0000

This monitor was brought to me with the complaint of dull display. I dismantled the device to troubleshoot and rectify the suspected backlight issue. The display unit could be detached after removing the LVDS cable and LED power wires. I pulled out the LED unit after removing one holding screw. It was connected to an […]

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Burnt Mark Found In Essen SMPS Model EPS-240-24 of An Autoclave Machine

Jestine Yong — Sat, 21 Mar 2026 07:17:28 +0000

This SMPS was brought to me in dead condition. On opening and checking the unit, I saw burnt mark near the primary switching SMPS transformer and also found one transistor C3320 short and one Zener diode 33V 1W short. Checked SMPS transformers using the ring tester and found these to be ok. The circuit had […]

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