This is the power train of the S36012.
In the world of electronics repair and maintenance, specific part numbers often become shorthand for entire families of devices. The S36012 is one such designation, widely recognized as the core component or model number for the switch-mode power supply (SMPS) boards found in popular brands of LED LCD televisions (notably models from Sanyo, Singer, and various OEM brands). s36012 power supply circuit diagram
For electronics technicians and DIY enthusiasts, understanding the circuit diagram of the S36012 power supply is essential for diagnosing "dead TV" symptoms, backlight failures, and power cycling issues. This article provides a comprehensive overview of the S36012 power supply architecture, key components, and common fault points. This is the power train of the S36012
To implement this feature:
+Vin (36V max) ----[Fuse]----[Reverse Polarity Diode]----+----[C_in+]----[C_in+]----+----[L1]----+----[C_out+]----[C_out+]---- Vout+
| | |
| [Q1 Drain] |
| | |
+----[U1 Vin] | |
| | |
| [Q1 Source] |
| | |
+----[D1 Cathode]------[D1 Anode]---[GND]
|
+----[R_sense]----------------------[GND]
|
+----[RV1 wiper]----[U1 FB]
|
[GND]