SONY LED TVs repair help

SONY LED TVs repair help Shaukat Ali – Professional Sony LED TV Repair Technician with 30+ years of experience. sharing real-world repair cases to help customers. 📺

Specializing in diagnosing and fixing complex display and board-level faults.

09/08/2026

RT9955 DC-DC IC - 3 Pins That Control Everything! ⚡
Enable. Feedback. Output.
One turns it ON. One keeps it STABLE. One delivers the POWER.
Think you know which pin does what?
Watch the full breakdown in 30 seconds! 🔧

RX5207 Boost Controller: pinout, frequency, gate waveform and practical fault-finding guide for DC-DC boost circuits. If...
09/08/2026

RX5207 Boost Controller: pinout, frequency, gate waveform and practical fault-finding guide for DC-DC boost circuits. If you like our post, Like, Share with friends and Comment.

STR-A6059H Power IC complete guide! 🔧 This PWM controller IC features Current Mode Control, Built-in Protections (OCP, O...
09/08/2026

STR-A6059H Power IC complete guide! 🔧 This PWM controller IC features Current Mode Control, Built-in Protections (OCP, OVP, OLP, TSD), and DIP-8 package. Perfect for LED TV power supplies, adapters, and industrial SMPS applications. Save this for your repair reference! 💡




Ka5l0380r SMPS Circuit Diagram: Complete primary-side schematic! Features bridge rectifier, snubbers, optocoupler feedba...
08/08/2026

Ka5l0380r SMPS Circuit Diagram: Complete primary-side schematic! Features bridge rectifier, snubbers, optocoupler feedback loop, and dual outputs (14V/1.2A & 5V/2A) for your LED TV repair workbench.

08/08/2026

CS902 IC Start-Up Sequence in 3 Easy Steps! ⚡
Learn how this power management IC powers up your LCD panel.
EN → HVS → VGHM - the complete startup flow explained!
Perfect for TV repair technicians and electronics enthusiasts.
Save this for your next repair project! 🔧

Master BD9488F LED driver troubleshooting with this complete repair guide. Check pin functions, protection circuits, key...
08/08/2026

Master BD9488F LED driver troubleshooting with this complete repair guide. Check pin functions, protection circuits, key waveforms and common backlight faults to diagnose TV LED driver problems faster. Like & Share!



Understand the 13NM60 power MOSFET with verified pinout, specifications, applications, and troubleshooting tips. Save th...
07/08/2026

Understand the 13NM60 power MOSFET with verified pinout, specifications, applications, and troubleshooting tips. Save this guide and Like, Share & Follow for more LED TV repair knowledge.

OB2263 PWM Controller: pin configuration, switching frequency, gate waveform and practical fault-finding guide. If you l...
07/08/2026

OB2263 PWM Controller: pin configuration, switching frequency, gate waveform and practical fault-finding guide. If you like our posts, please Like, Share with friends and Comment.

07/08/2026

Half Screen Black? Check These Ribbons First! 🔧📺
One side black, other side works? Fault often in T-CON to scaler strip ribbon cable.
Replace both ribbons with original ones for a genuine, long-lasting repair.
Full guide in video

Learn about the LD7535B PWM Controller IC with verified pin configuration, startup sequence, applications, protections, ...
07/08/2026

Learn about the LD7535B PWM Controller IC with verified pin configuration, startup sequence, applications, protections, and fault finding guide. Save this repair reference and Like, Share & Follow for more professional LED TV repair content.
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