DOWNLOAD LG 50PM6900-UD (CHASSIS:PU22B) Service Manual ↓ Size: 14.78 MB | Pages: 75 in PDF or view online for FREE

Model
50PM6900-UD (CHASSIS:PU22B)
Pages
75
Size
14.78 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pm6900-ud-chassis-pu22b.pdf
Date
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LG 50PM6900-UD (CHASSIS:PU22B) Service Manual ▷ View online

C110
5 
Measure point
Typ. 3.3V
C112
1
C113
0
Measure point
Typ. 1.5V
Measure point
Typ. 1.2V
SPDIF OUT
CVBS
USB0 
Audio
AMP
I2S Out
MTK5369
USB2
USB1
CVBS/COMP2
RS-232C
PC-RGB
OPTIC
LAN
SYSTEM
DDR3x16_2Gb X 4
(8Gb)
LVDS
HDMI1
HDMI2
HDMI3
HDMI4
COMP
RGB,H/V
With EEPROM
Ethernet
UART
HDMI
With
EEPROM
RF Emitter
Module(Bluetooth)
I2C
Sub 
Micom
(Renesas
)
HD : 51P
FHD : 80P
USB2
USB1 
NVRAM
(1Mb)
X-TAL
(27MHz)
HDCP2.0
Wi-Fi
CVBS
H/Nim
Silicon Tuner
H/Nim
Silicon Tuner
X-TAL
(32.768kHz)
eMMC
(2GB)
CVBS1/2 _LR
COMP1/2 _LR
RGB_LR
CVBS/COMP2 _LR
COMP1_LR
COMP1
COMP
PC-AUDIO
DIF
2. No OSD Trouble Shooting
DIF
CVBS
Replace Power board
N
Y
Check 5V Voltage Level
at P1100
Check Power connector
Y
Check all multi voltage
(12v, 3.3v, 1.2v)
N
Check power up boot sequence
Y
Check LVDS Cable
N
Replace Cable
Y
Check PDP Module
Check 5V Voltage Level
at L1102
N
Replace one of L1102
& Recheck
Y
Check P1100 5V_ON
Check GPIO Path of  Micom
N
Y
2. No OSD Trouble Shooting
SPDIF OUT
CVBS
USB0 
Audio
AMP
I2S Out
MTK5369
USB2
USB1
CVBS/COMP2
RS-232C
PC-RGB
OPTIC
LAN
SYSTEM
DDR3x16_2Gb X 4
(8Gb)
LVDS
HDMI1
HDMI2
HDMI3
HDMI4
COMP
RGB,H/V
With EEPROM
Ethernet
UART
HDMI
With
EEPROM
RF Emitter
Module(Bluetooth)
I2C
Sub 
Micom
(Renesas
)
HD : 51P
FHD : 80P
USB2
USB1 
NVRAM
(1Mb)
X-TAL
(27MHz)
HDCP2.0
Wi-Fi
CVBS
H/Nim
Silicon Tuner
H/Nim
Silicon Tuner
X-TAL
(32.768kHz)
eMMC
(2GB)
CVBS1/2 _LR
COMP1/2 _LR
RGB_LR
CVBS/COMP2 _LR
COMP1_LR
COMP1
COMP
PC-AUDIO
DIF
3. Digital TV Video Trouble Shooting 
DIF
CVBS
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