LG 42PW340 Service Manual page 72

15. 3D Trouble Shooting
Check P500 All Voltage Level
( 5V )
Y Y
Check Voltage Level 3.3V at IC1406,
L1404
Y
Check Voltage Level 1.0V at L1403
Y
Check Voltage Level 1.8V
at IC1407 #2 pin
Y
Check X1400 Clock25MHz
Y
Check signal transition
IC1402
Y
Check reset signal
at R1464
Y
Check P1404
#5(High), #11(High), #12(60Hz)
Y
Check RF emitter board or 3D glass
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Only for training and service purposes
N
Check Power connector
N
N
N
Check DDR Memory
/Replace one
N
Replace X200
N
Maybe NAND Flash Memory or
LG8300 have troubles
Check DDR Memory
/Replace one
N
N
Maybe LG8300(IC1400)
has troubles
Y
Replace Power board
Check LG8300 Redownload or
N
replace
N
N
Check S7R Main chip and Soc_Reset
LGE Internal Use Only