New | Vestel 17ips62 Schematic
Fuse (FS100), Bridge Rectifier (D100), PFC Circuit (if applicable), Switching FET (Q100). Common Failure: Blown fuse, FET breakdown. 2. Secondary Circuit (Cold Section)
The 17IPS62 board integrates the main power converter and the LED backlight driver into a single PCB.
Before pulling out a multimeter, closely inspect the board under a bright light. Look for: Bulged or ruptured electrolytic capacitors. Scorched areas around diodes, resistors, and transistors. vestel 17ips62 schematic new
: Check the primary fuse, varistor, and bridge diodes for shorts if the TV fails to turn on entirely. Schematic Downloads
A large electrolytic capacitor (typically rated at 450V, 68µF to 150µF) smooths the pulsating DC into a stable high-voltage DC bus of approximately 310V to 320V DC (for 230V AC regions). 3. The Pulse Width Modulation (PWM) Control Circuit Fuse (FS100), Bridge Rectifier (D100), PFC Circuit (if
: This circuit is a frequent point of failure, often producing around 30-35V in a standby or no-load state, which ramps up significantly (66V+) when the LEDs are active.
It receives a Pulse Width Modulation (PWM) or analog dimming signal from the mainboard to adjust screen brightness. Common Failure Modes on the Vestel 17IPS62 Scorched areas around diodes, resistors, and transistors
This symptom usually points to a short circuit on the secondary side or a loop failure in the regulation circuit.
The is a widely used Switch Mode Power Supply (SMPS) board found in many LED TVs, including brands like Hitachi, JVC, and Telefunken. You can download the schematic diagrams for various revisions (such as R2 and R4 ) from community-trusted technical repositories. Schematic Download Links
| Parameter | Value/Rating | |-----------|---------------| | Input Voltage | 100-240V AC, 50/60Hz | | Standby Output | 5V (or 3.3V depending on variant) | | Main Output | 12V, 24V (for audio and panel logic) | | LED Driver Type | Boost topology with constant current control | | Typical LED Current | 250mA – 400mA (varies with backlight configuration) | | PFC Voltage | ~380V – 400V DC |