The LG 17IPS72 is a standardized power supply unit (PSU) manufactured for LG. It typically handles:
The most common error in schematic work is misreading the reference designator. The schematic might show R456 as a 100k pulldown, but the boardview shows it located near the HDMI port. Always cross-reference between schematic and boardview physically before desoldering. 17ips72 schematic work
This documentation becomes invaluable when you encounter the same IC in a different drive model. The LG 17IPS72 is a standardized power supply
Measure +PWR_SRC at the drain of the first isolation MOSFET (PQ102). Schematic Ref: Page 6, label "CHARGER INPUT." Schematic Ref: Page 6, label "CHARGER INPUT
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Uses a dedicated IC (such as the OB3363 ) to provide the constant current required by the LED backlight strips. 2. Deep Dive: Key Schematic Components
Before diving into the schematic, you must understand the hardware.