1. Power-Up Boot Fail Trouble Shooting
Replace Power board
N
Y
Check SW Redownload or replace
Check P600 All Voltage Level
(3.5/5V_ST)
Check Power connector
Y
Check Voltage Level 3.3 at IC603,
L602(
+3.3V_ST
)
N
Replace of the IC603
& Recheck
Y
N
Check Voltage Level 3.3V at R608
(+3.3V_DDR
)
N
Replace of the IC605
& Recheck
N
Y
Check Voltage Level 1.5V
at L604(+1.5V_DDR)
N
Replace of the IC1203
& Recheck
N
Y
Check Voltage Level 3.3V at L606
(
+3.3V_TU
)
N
Replace of the IC608
& Recheck
N
Y
Check X400 Clock 24MHz
N
Replace X400
Y
Check signal transition
at IC505
N
Maybe Serial Flash Memory problem
Check signal transition
IC504
Y
Check All Voltage Level
at Bead, RL_ON, IC400 output
N
Replace one of Bead, IC400
& Recheck
Y
N
Maybe NAND Flash Memory or
IC400 have troubles
Y
Check DDR Memory
/Replace one
Check Main chip and Soc_Reset
Signal from PM GPIO
DC
AC
N
N
N
IC600 +3.3V_ST check (MPLL / NODIE)
Copyright
©
2014 LG Electronics Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
Summary of Contents for 60PB5600
Page 26: ......
