Ilpi-354 V.a Schematic ((better)) Site
It is designed for reliability, but commonly fails due to age, heat stress, or faulty capacitors. It is often used in conjunction with the driver board for full image signal processing. 2. Key Components on the ILPI-354 Schematic
However, for the hobbyist, the educational value and satisfaction of restoring the original board to life are immense. In many ways, the ILPI-354 has become a "training board" for learning switch-mode power supply (SMPS) repair, precisely because its common faults are well-documented and its component density is manageable.
The is a power supply board primarily used in several legacy Dell monitors , including the Dell SE2216H Go to product viewer dialog for this item. , Go to product viewer dialog for this item. , and Ilpi-354 V.a Schematic
If your Ilpi-354 V.a is outputting the wrong voltage (too high or low), the TL431 or its divider resistors are likely faulty.
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The board provides voltage regulation for both the main logic and the LED backlight driver. Dell E1916HV Go to product viewer dialog for this item. Part Numbers (P/N): Often listed as 790JX1400603R00 , 790JM1400601R00 , or 491A011H1400H06 . Alternative Versions: Related designs include the , which is also used in some Go to product viewer dialog for this item. Common Issues and Repair Tips
The driver chip expects around on Pin 9 to turn on the backlight converter. It is designed for reliability, but commonly fails
This usually indicates a backlight driver failure . Verify if you have ~17.5V at the input of the driver IC (pin 9) and check for a ~3V Enable (ENA) signal from the logic board.
The is a widely used power supply and LED driver board found in several Dell LED monitors, including popular models like the Dell E2216HV, SE2216H, and SE2218HV. It acts as the "heart" of the monitor, converting AC mains voltage into the stable DC voltages needed by the screen's internal logic and backlight system. Key Components on the ILPI-354 Schematic However, for
Inspect capacitors C9121, C9137 for bulging tops. Replace all low-voltage electrolytics to ensure stability. Symptom 3: Backlight Fails (Screen Dark, Power Light On)