DOWNLOAD LG 50PM9700-UA (CHASSIS:PU22A) Service Manual ↓ Size: 20.96 MB | Pages: 75 in PDF or view online for FREE

Model
50PM9700-UA (CHASSIS:PU22A)
Pages
75
Size
20.96 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pm9700-ua-chassis-pu22a.pdf
Date
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LG 50PM9700-UA (CHASSIS:PU22A) Service Manual ▷ View online

Y
Check Jack JK501/JK502
N
Y
Check Signal
C537/C538/C539/540/C541/C542
N
Check equipment / Replace Jack
Check Video Output
Replace one of
C537/C538/C539/540/C541/C542 & 
Recheck
N
Follow procedure external input 
video trouble shooting
Y
Follow procedure All source audio 
trouble shooting
N
Maybe MTK5369(IC100) audio 
block has problems. Replace It
12. Component / RGB / AV Audio 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
13. HDMI Audio Trouble Shooting
DIF
CVBS
Check video output
Y
Follow procedure All source audio 
trouble shooting
N
Y
Check EDID Pull-Up Voltage 
Maybe MTK5369(IC100) audio 
block has problems. Replace it
N
Follow procedure HDMI video 
trouble shooting
N
Replace one 
R604/R606/R618/R620/R619/R621/R
605/R607
& Recheck
N
Check DDC Line 
Replace one 
R614/R615/R616/R617/R627/R629/
R632/R633/R634/R635
& Recheck
Y
13. HDMI Audio 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
14. USB Trouble Shooting
DIF
CVBS
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