LG 60PM680T-ZF (CHASSIS:PD22C) Service Manual ▷ View online
1.
Power-Up Boot Fail Trouble Shooting
2.
No OSD Trouble Shooting
3.
Digital TV Video Trouble Shooting
4.
Analog TV Video Trouble Shooting
5.
Component Video Trouble Shooting
6.
RGB Video Trouble Shooting
7.
AV Video Trouble Shooting
8.
HDMI Video Trouble Shooting
9.
All Source Audio Trouble Shooting
10.
Digital TV Audio Trouble Shooting
11.
Analog TV Audio Trouble Shooting
12.
Component / RGB / AV Audio Trouble Shooting
13.
HDMI Audio Trouble Shooting
14.
USB Trouble Shooting
15.
Digital TV Recording Fail Trouble Shooting
16.
Analog TV Recording Fail Trouble Shooting
17.
AV Video Recording Fail Trouble Shooting
18.
Digital TV Video Trouble Shooting while recording (Watch & Record)
19.
Digital TV Audio Trouble Shooting while recording (Watch & Record)
20.
Analog TV Video Trouble Shooting while recording (Watch & Record)
21.
Analog TV Audio Trouble Shooting while recording (Watch & Record)
Trouble Shooting Guide for LG Service Man
Please check system, after power Off/On one time
1. Power-Up Boot Fail Trouble Shooting
Replace Power board
N
Y
Check Micom Redownload or
replace
Check P1100 All Voltage Level
(17V, 5V, 5V_ST)
Check Power connector
Y
Check Voltage Level 3.3V at C1105
N
Replace one of IC1100 & Recheck
Y
Y
Check Voltage Level 1.5V at C1121
N
Replace one of IC1105
& Recheck
Y
Y
Check Voltage Level 1.2V
at C1130
N
Replace one of IC1102 & Recheck
Y
Y
Replace IC103 EMMC Memory
Check All Voltage Level
at Bead
N
Replace one of Bead
& Recheck
Y
N
Replace one of IC400 ~ 403
& Recheck
Y
Replace IC100 & Recheck
P1100
1
17V
2
17V
3
GND
4
GND
5
5V
6
SV
7
NC
8
PSU_ERR
9
NC
10
GND
11
GND
12
GND
13
5V_ST
14
NC
15
RL_ON
16
AC_DET
17
MOD_ON
18
GND
L1101 : 5V
L1100 : 17V
L1102 : 5V _ST
■ Power check
1. PSU voltage check
Measure point
Measure point
Measure point
C110
5
5
Measure point
Typ. 3.3V
C112
1
1
C113
0
0
Measure point
Typ. 1.5V
Measure point
Typ. 1.2V
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