DOWNLOAD LG 50PZ950B-SA (CHASSIS:PB12A) Service Manual ↓ Size: 13.62 MB | Pages: 90 in PDF or view online for FREE

Model
50PZ950B-SA (CHASSIS:PB12A)
Pages
90
Size
13.62 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pz950b-sa-chassis-pb12a.pdf
Date
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LG 50PZ950B-SA (CHASSIS:PB12A) Service Manual ▷ View online

12. Component / RGB / AV Audio Trouble Shooting
DDR2
512MB
DDR2
512MB
BCM35230
BCM35230
1080P
LVDS
(Front-end)
(External Input/Output)
EXT_IN
HDMI
CVBS1,2
(System +  Scalar)
BCM_I2S
Audio_AMP
STA368BWG
Audio_AMP
STA368BWG
CVBS1/LR
CVBS2/LR
COMP1_LR
COMP2_LR
RGB_LR
EXT_IN
HDMI
NAND
8Gbit
NAND
8Gbit
Ethernet
(Etc)
USB2
SPDIF
SIF_LIVE
LR1,2
IF
BCM_I2S
USB1
COMP1/2
HDMI 1.3 x 4
RGB
4:
1 
Swit
c
h
SII9287B
NEC Micom
uPD
NEC Micom
uPD
BCM_SPDIF
BCM_SPDIF
COMP_LR1,2
RGB_LR
LAN
(3DF_Block)
3D_Sync
M-R/RF Emitter
RF_Tx
M-R/RF Emitter
RF_Tx
L/R Indicator
GPIO77
LG8300_3DF_ASIC
LG8300_3DF_ASIC
1080P
1080P(L)
1080P(R)
DDR2
256Mb
DDR2
256Mb
Serial Flash
2Mbit
Serial Flash
2Mbit
3D_Sync
L/R Indicator
X-TAL
54MHz
X-TAL
54MHz
CEC Control
CVBS1/
SIF_LIVE
ISDB-T
LGIT
TDTR-T036F
IF
CABLE
HDMI
Wireless 
RX Box
M-Remote 
Module
UART
Y
Check Jack JK1100/JK1101/JK801
N
Y
Check Signal
C305,C306,C307,C308,C309,C310,C
311,C312,C313,C314,C315,C316,C30
0,C337,C338
N
Check equipment / Replace Jack
Check Video Output
Replace one of
C305,C306,C307,C308,C309,C310
,C311,C312,C313,C314,C315,C31
6,C300,C337,C338
& Recheck
N
Follow procedure external input 
video trouble shooting
Y
Follow procedure All source audio 
trouble shooting
N
Maybe BCM35230 audio block has 
problems. Replace It
12. Component / RGB / AV Audio Trouble Shooting
13. HDMI Audio Trouble Shooting
DDR2
512MB
DDR2
512MB
BCM35230
BCM35230
1080P
LVDS
(Front-end)
(External Input/Output)
EXT_IN
HDMI
CVBS1,2
(System +  Scalar)
BCM_I2S
Audio_AMP
STA368BWG
Audio_AMP
STA368BWG
CVBS1/LR
CVBS2/LR
COMP1_LR
COMP2_LR
RGB_LR
EXT_IN
HDMI
NAND
8Gbit
NAND
8Gbit
Ethernet
(Etc)
USB2
SPDIF
SIF_LIVE
LR1,2
IF
BCM_I2S
USB1
COMP1/2
HDMI 1.3 x 4
RGB
4:
1 
Swit
c
h
SII9287B
NEC Micom
uPD
NEC Micom
uPD
BCM_SPDIF
BCM_SPDIF
COMP_LR1,2
RGB_LR
LAN
(3DF_Block)
3D_Sync
M-R/RF Emitter
RF_Tx
M-R/RF Emitter
RF_Tx
L/R Indicator
GPIO77
LG8300_3DF_ASIC
LG8300_3DF_ASIC
1080P
1080P(L)
1080P(R)
DDR2
256Mb
DDR2
256Mb
Serial Flash
2Mbit
Serial Flash
2Mbit
3D_Sync
L/R Indicator
X-TAL
54MHz
X-TAL
54MHz
CEC Control
CVBS1/
SIF_LIVE
ISDB-T
LGIT
TDTR-T036F
IF
CABLE
HDMI
Wireless 
RX Box
M-Remote 
Module
UART
Check video output
Y
Follow procedure All source audio 
trouble shooting
N
Y
Re-download EDID data
Maybe BCM35230 audio block has 
problems. Replace it
N
Follow procedure HDMI video 
trouble shooting
N
Replace IC800
N
Check HDMI S/W Power( 3.3V) 
Replace one of L800/L801
& Recheck
Y
13. HDMI Audio Trouble Shooting
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