Tcp 3.3V B+ Check - LG 42PQ30 Training Manual

TCP 3.3V B+ Check

TCP 3.3V B+ Check
Checking IC221 for 3.3V, use center pin.
IC221
Warning: DO NOT attempt to
5V 3.3V 0V
run the set with the Heat Sink
over the TCPs removed.
Use only a continuity check
from 3.3V source to
destination.
3.3V
Check for 3.3V
Check for 3.3V
P232
P331
Top C231
Top C363
Left
Left
C307
C206
Left X
Right X Board
3.3V in on Pins 49-50-51 3.3V in on Pins 49-50-51
Board
94 Preliminary Information 42PQ30