Cause of 3 Blink Error in Sony KLV-40W652D Learn Sony KLV-40W652D 3 Blink Error Fix Guide and understand where the real cause of this fault usually hides. In this model, when the TV blinks the red light three times, the problem is often related to a DC Alert condition. The first thing that should be […]
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Adjustable shunt regulator – TL431 The TL431 Circuit detailed guide is a smart shunt zener diode used for reference voltage control in power supply circuits. In this article, understand the working principle, function, and practical application of TL431 in SMPS in an easy and professional way. Also, how this IC controls a power supply and
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Dead Fault Symptoms (No Standby Light) The Sony LED TV KLV-32R352E Dead Fault Repair Guide explains this problem based on real repair experience. In this article, you will learn the exact cause and a tested step-by-step solution for KLV-32R352E. When this set came to my workshop for repair, its standby light was completely off and
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Fault in Backlight Circuit Sony KLV-46R452A Sony KLV-46R452A Display Not Working This Sony Bravia model occasionally drops the display due to a fault in the backlight circuit. When this set was brought to the workshop, it was working perfectly. I tested it for two days and during that time it continued to operate normally without
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Sony TV shows logo and shuts down with 2 blinks error Sony KLV-32S400A 2 Blink Error Guide: When you turn on this TV, it shows the Sony logo and then shuts down, displaying a 2 blink error. This is a common fault in this model, usually caused by fluctuations in the 12-volt line of the
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TPD.NT72563.PB771 Power Board Dead Reasons This is a TCL L32S65 Power Supply Repair Guide. It does not have a 12-volt power supply. It uses PWM IC number LD5760 in its power supply section. The power supply of this set was also sometimes turned on. When this set came to me, it would turn on frequently.
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How to fix sound problem in Sony TV Learn how to fix sound problems on the Sony KLV-32R302B No Sound Problem Fix model. The sound is intermittent, and often the TV produces no audio at all. The mainboard uses the audio amplifier IC YDA179-S. This issue is related to the communication between this IC and
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Restart Issue Symptoms and Causes – UA32K4000AR Learn Samsung UA32K4000AR Restart Problem Fix. This Samsung LED TV was in restart mode; when I turned it on, it displayed the screen and restarted again. The power supply of this model is separate. It was 19 volts. It was correct. There was a fault in its main
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BN41-01526A – Sound IC TAS5715 Reset Solution in Samsung LA32C450E1 TV No Sound Fix The main board of this LED TV was in a dead condition; I replaced it, but the replaced board had a sound problem—its sound sometimes came and remained silent for most of the time. This main board had an audio amplifier
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