Lad711p Rev 10 Schematic Top Online

The top schematic begins with the AC entry. Key components to identify:

Repair Tip: If VBUS is low or zero, check RV1 for cracking and LF1 for open windings. Do not overlook the thermistor (NTC) in series with the live wire. lad711p rev 10 schematic top

In Sony CRT service manuals, revisions often indicate a running production change. For the LAD711P power supply circuit, Rev 10 (and surrounding revisions) typically addressed cold solder joints and thermal stress on the Horizontal Output Transistor (HOT) and the flyback pins. The top schematic begins with the AC entry

If you are looking at a schematic labeled Rev 10, pay special attention to the physical implementation of the circuit, not just the electrical connections. Repair Tip: If VBUS is low or zero,


The keyword includes "schematic top" because many technicians mistakenly download only the secondary side PDF. Here is your actionable method for navigating the real top sheet:

The top sheet lists 12 test points. Crucial ones:

If you find an older Rev 09 schematic, do not use it to repair a Rev 10. The differences are significant and affect the top-level interconnect: