The is one of the most common power supply unit (PSU) boards found in a vast array of LCD and LED televisions produced by Vestel, including brands like Toshiba, Hitachi, Telefunken, Bush, and Digihome, particularly for 32" to 49" models produced between 2013 and 2018.
2. The Pulse Width Modulation (PWM) Controller (The Heart of the HOT Side)
VCC (3.3V Standby) ---- R1 (10k) ----+---- TEPT4400 Collector | +---- ATtiny13A Pin 2 (ADC3) | GND ---------------------------------+---- TEPT4400 Emitter
are primary sources for specific component values not listed on the PCB. vestel 17ips12 schematic
: AC mains enters through a fuse (e.g., F900) and is filtered by EMI/EMC components before being rectified into high-voltage DC (typically around 310V–400V). Main PWM Controller : Often utilizes the
When analyzing the schematic, the board is strictly divided into two primary sections separated by an isolation barrier (the galvanic isolation line):
Look for bulging electrolytic capacitors or charred resistors, which are frequent failure points in Vestel power supplies. vestel 17ips12-r3 psu sch - service manual - Elektrotanya The is one of the most common power
Typically utilizes an integrated PWM controller IC (such as the FAN6300 or similar, depending on the exact board revision) and a high-voltage MOSFET.
#include <avr/io.h> #include <util/delay.h>
If the TV is dead, experiencing power cycling, or has no picture but has sound, the 17IPS12 is often the culprit. Symptom 1: No Standby Light (Dead TV) : AC mains enters through a fuse (e
Unfortunately, I couldn't find a direct review of the "Vestel 17IPS12 schematic" as it seems to be a technical document intended for a niche audience. However, I can provide some general insights:
The 17IPS12 is designed to convert AC mains power into the specific DC voltages required by the TV's mainboard and LED backlight strips.
Converts the high-voltage DC into the regulated low voltages required by the TV's mainboard and sound system.
Output smoothing capacitors on the 12V and 5V lines (C200 series).