LGE Internal Use Only
Copyright © 2014 LG Electronics Inc. All rights reserved.
Only for training and service purposes
1. Power-Up Boot Fail Trouble Shooting
Replace Power board
N
Y
Check SW Redownload or replace
Check P600 All Voltage Level
(5V_ST)
Check Power connector
Y
Check Voltage Level 1.15 at IC603,
L605(
+1.15V_VDDC
)
N
Replace of the IC603
& Recheck
Y
N
Check Voltage Level 1.8V
at R675(+1.8V_DDR)
N
Replace of the IC613
& Recheck
N
Y
Check Voltage Level 3.3V at L604
(Main IC supply voltage)
N
Replace of the IC600
& 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
Summary of Contents for 60PB6500
Page 23: ......