Guest Post | Electronics Repair And Technology News

Toshiba LED TV Dead No Power

Jestine Yong — Sat, 15 Aug 2026 01:49:53 +0000

I received a Toshiba TV for repair that had a ‘dead’ condition (no power). Upon speaking with the customer, I learned that the TV had not been used for the past few years. Due to financial constraints, the customer hadn’t mentioned that they had previously had it checked by […]

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Relay Rattling Problem Solved In AMREX UPS Model PROVIEW-600

Jestine Yong — Sat, 15 Aug 2026 01:49:08 +0000

This UPS was brought to me by a regular customer with the complaint that the relay was rattling and after consulting the computer company, he got the battery replaced twice; but the problem persisted. In order to ascertain the reason, I opened the covers and the following first picture would show you the […]

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Stuck In Standby Problem Solved In PANASONIC 5.1 DVD Home Theater System-SB-WA340&SA-HT850

Jestine Yong — Sat, 15 Aug 2026 01:48:21 +0000

This system was brought to me by a close techie friend of mine, after making futile attempts to resolve the complaint captioned above. The mains input and power supply and final Amp were housed inside the Active Subwoofer Box with an inter connecting cable to the DVD player, which carried the power in, standby release […]

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Revisit Of LED TV-32PFL3305-V7 After One Month – The Symptoms Of Complaints Can Be Deceptive

Jestine Yong — Sat, 08 Aug 2026 02:16:53 +0000

In this article we can learn or refresh the following: 1) The symptoms of complaints can be deceptive. 2) Minor noises in the primary switching pulse would not affect the secondary output. 3) Additional filter capacitors added to power supply main line and slave regulators can revive picture clarity to original. I request you all […]

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Limit Switch Working

Jestine Yong — Sat, 08 Aug 2026 02:16:22 +0000

May automatic device weather consumer appliance or industrial devices, these types of switches use for safety or processing purpose. In earlier my repair jobs about soap dispenser device, I found one confusing thing where on PCB pin no. 2 is grounded where Pin number 1 is Vin. Practically when we check the […]

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Restoration Of One Lovely Antique Philips Flatbed Cassette Player Model N2506

Jestine Yong — Sat, 08 Aug 2026 02:15:31 +0000

This is one among the seven sets brought by a new customer from a very faraway place. The player was dead on checking. You can have a clear look of this lovely piece in the following link and download its service manual from yet another given next: https://www.radiomuseum.org/r/philips_casette_recorder_n250619.html https://www.audioservicemanuals.com/p/philips/philips-n/philips-n-2506/13374292-philips-n-2506-service-manual The fitting screws were missing and […]

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The Thrill Of Assembling A Discreet Amplifier

Jestine Yong — Sat, 01 Aug 2026 01:56:54 +0000

Occasionally, I take a break from my repair work and resort to assembly of some devices, in order to kill the monotony and refresh our assembling skills. I happened to see the following discreet amplifier board in Amazon India site, which evinced my interest in making one, though I indeed […]

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ACER Laptop Repaired For Intermittent Power Problem

Jestine Yong — Sat, 01 Aug 2026 01:55:53 +0000

Received Acer Laptop for the repair, stating Intermittent Power problem, upon speaking with the customer, it was revealed that the laptop had been given to someone for repairs and the issue has persisted ever since; often, the power button has to be pressed multiple times to get the display to come on. At first glance, […]

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Revisit Of USB-BT-FM Radio Model SPANIO WOODY

Jestine Yong — Sat, 01 Aug 2026 01:55:06 +0000

This set had visited me in March 2025 with power failure problems, about which I have already written an article, which is in queue. I had changed the Transformer and battery and did other service work then. It visited me again in October, 2025 with the same complaint; i.e., dead! […]

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Fungus Attack And Failure Of Crystal Brought Back This Yamaha Receiver Amplifier RX-V485

Jestine Yong — Sat, 25 Jul 2026 02:51:28 +0000

This Yamaha Amplifier had visited me in September, 2023 about which I have submitted a report here vide link provided: https://jestineyong.com/intermittent-on-off-problem-solved-in-yamaha-rx-v485-receiver-amplifier/ There was a comment by an expert which reads like this: Your dedication and hard work always pays off even when you this time didn’t need to replace a single e-cap (Lol)! The Amp […]

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