LG 60PH670H-SA (CHASSIS:PB32B) Service Manual ▷ View online
Trouble Shooting Guide for LG Service Man
Pl
h k
t
ft
Off/O
ti
1.
Power-Up Boot Fail Trouble Shooting
2.
No OSD Trouble Shooting
3
Digital TV Video Trouble Shooting
Please check system, after power Off/On one time
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
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
11.
Analog TV Audio Trouble Shooting
12.
Component / RGB / AV Audio Trouble Shooting
13.
HDMI Audio Trouble Shooting
14.
USB Trouble Shooting
15
DVR Recording Fail Trouble Shooting
15.
DVR Recording Fail Trouble Shooting
16.
OPTIC Audio Out Trouble Shooting
17.
WiFi
18.
3D
1. Power-Up Boot Fail Trouble Shooting
Replace Power board
N
Y
Check P1100 All Voltage Level
(17V, 5V, 5V_ST)
Check Power connector
Y
Check All Voltage Level
t B
d
N
Replace one of Bead
& R h k
Check Voltage Level 3.3V at
C1151,C1152
N
Replace one of IC1101 & Recheck
Y
at Bead
& Recheck
Y
Check Micom Redownload or replace
Y
Check Voltage Level 1.5V at C1125,
C1126
N
Replace one of IC1105
& Recheck
Y
Y
Check Voltage Level 1.2V
at C1128, C1139
N
Replace one of IC1102 & Recheck
Y
Y
Replace IC8100 EMMC Memory
N
Replace one of IC701 ~ 703
Y
Replace IC105 & Recheck
Replace IC8100 EMMC Memory
& Recheck
Replace IC105 & Recheck
■ Power check
■ Power check
1. PSU voltage check
L1101: 5V_ST
Measure point
Measure point
P1100
1
1
2
1
Q1102 : 5V
C1157
C1157
L1111: 17V
1
17V
2
17V
3
GND
4
GND
5
5V_ST
6
5V_ST
7
5V
8
VS_DET
9
GND
10
GND
9
GND
10
GND
11
GND
12
VS_ON
13
5V_ST
14
17V_DET
15
RL_ON
16
AC_DET
17
M ON
18
GND
17
M_ON
18
GND
■ DC DC Check
■ DC-DC Check
Measure point
Typ. 1.5V
Typ. 1.2V
Typ. 3.3V
IC1101
IC1101
IC1105
IC1101
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