2009 FALL LCD DV 42LH50
55
Main PWB LD2400 Function and Voltages
Main PWB LD2400 Function and Voltages
Main PWB LD2400 and IC2403 Locations
Use LD2400 as a visual aid.
This lets you know;
• 12V from Power Supply is arriving.
• Q2405 (12V PWR) switch is working.
• IC2403 is outputting voltage.
•(A3.3V regulator)
•(+3.3V regulator)
•(+3.3V-MEMC regulator)
LD2400
IC2403
A3.3V
+3.3V
+3.3-MEMC Reg.
3.37V[8]
3.37V[7]
3.23V[6]
0.9V[5]
0.8V[4]
Gnd[3]
12V[2]
Gnd
Pin
IC2403
[1]
Q2405
12V PWR
Input
Turn On
Output
Output
Feedback
To Next Page
Loading...
