Guia de Reparo de Fonte de Som LG CJ87, CL87, CJ88, CL88, CJ98 e outros modelo
I teach the procedures for analyzing the power supply of LG mini systems compatible with models CJ87, CJ88, CJ98, CL87, CL88 and other similar models. Repair Guide in PDF: https://drive.google.com/file/d/1O5zx... 👆🏼Download the file at this link LG sound system repair tips showing where to measure with a multimeter, useful for the following defects: does not turn on, turns on but no sound, power supply shutting down, amplifier shutting down, no PFC, no voltage to the amplifier.

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The board on this LG CL87 sound system surprised me: Analysis and repair of the device

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A Fault Finding Masterclass? No3 : Dead SMPS Repair in an Altea Class D Active Speaker

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COMO ELIMINAR RUIDO ELÉTRICO DE LÂMPADAS - FILTRO CASEIRO COM ESQUEMA ELÉTRICO

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DEAD SWITCHING POWER SUPPLY: HOW TO SOLVE PROBLEMS IN THE PRIMARY OF SWITCHING POWER SUPPLY? #swi...

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Faulty Switching Power Supply: Complete Repair in Practice

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DICAS DE REPARO : FONTE CHAVEADA

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I fixed three speakers at the same time.

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Switched-Mode Power Supply – Complete Lesson (It's not as complicated as it seems)

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{1060} only 7 Volt Output instead of 12 volt, Low Output voltage

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Getting my HALO back! - Parasound's A52

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MOSFET vs Transistor vs Relay: Most People Get This Wrong

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Switching Power Supply (Complete Beginner's Guide)

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Don't Replace Parts Randomly; First Learn to Measure the Components that Fail Most Frequently.

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Understanding How a Universal TV Motherboard Works. Beginners Guide( You can fix it)

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#166 - Shure QLXD receiver repair

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Linear DC Power Supplies - Designing & Building Custom DC Power Supplies

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SONY CRF-320 Receiver Restoration Repair and Modification

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