DOWNLOAD LG 50PX950-SA (CHASSIS:PB01B) Service Manual ↓ Size: 18.36 MB | Pages: 105 in PDF or view online for FREE

Model
50PX950-SA (CHASSIS:PB01B)
Pages
105
Size
18.36 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50px950-sa-chassis-pb01b.pdf
Date

LG 50PX950-SA (CHASSIS:PB01B) Service Manual ▷ View online

Customer Oriented R&D
Breakthrough
3. Digital TV Video Trouble Shooting
Check RF Cable
Y
Check TP Clock, Data, Sync
R631, R632, R629, R630
N
Maybe Demodulator has problems
Y
Maybe BCM3556(IC100)
has problems
Check Tuner(TU600) Power
(5.0V,  3.3V, 1.2V)
N
Replace one of Bead
& Recheck
Y
Check IF Signal pin #17, 18
N
Maybe Tuner has problems
Y
Check Demodulator Power
(3.3V, 1.2V) L604, IC601
N
Replace L604 / IC601
Y
Check Demodulator X-TAL
(X600)
N
Replace X-TAL
Y
Customer Oriented R&D
Breakthrough
4. Analog TV Video Trouble Shooting
DDR2
512MB(128*4)
DDR2
512MB(128*4)
BCM3556
(400M MIPS)
BCM3556
(400M MIPS)
1080P
LVDS
(Front-end)
(External Input)
EXT_IN
HDMI0_BCM
CVBS_LIVE
TP1
CVBS_LIVE
SIF1
Cab
le
ISDB-T/
PAL/NTSC
(System + DVR + Scalar)
IF
I2S_BCM
TAS9709
TAS9709
AV1
AV1_LR
COMP1_LR
COMP2_LR
RGB_LR EXT_IN
AV2
AV2_LR
NANDFlash
512MB
NANDFlash
512MB
(Audio Out)
USB2.0
SPDIF
SIF_LIVE
I2S_BCM
(Comp1/2, RGB)
LAN
HUB
(PK950)
PK550
BT Module
PK950 
(USB)
Demodulator
MN884433
TP1
LAN
(LAN)
HDMI
(Wireless)
Wireless 
RX Box
PHY
PHY
HDMI0_BCM
TDA9996
TDA9996
HDMI_D
HDMI_A
HDMI_B
SIDE HDMI_PORT
UI_HW_PORT1
UI_HW_PORT2
HDMI_C
UI_HW_PORT3
Customer Oriented R&D
Breakthrough
4. Analog TV Video Trouble Shooting
Check RF Cable
Y
Check CVBS Signal
TU600 #11 Pin
N
Y
Check CVBS Signal
C328
N
Replace one of 
C328/R308/Q602/R621
& Recheck
Y
N
Y
Check Tuner Power
(5.0V, 3.3V, 1.2V)
Replace one of 
L601/L600/L602
& Recheck
Maybe Tuner(TU600) has problems
Maybe BCM3556(IC100)
has problems
Customer Oriented R&D
Breakthrough
5. Component Video Trouble Shooting
DDR2
512MB(128*4)
DDR2
512MB(128*4)
BCM3556
(400M MIPS)
BCM3556
(400M MIPS)
1080P
LVDS
(Front-end)
(External Input)
EXT_IN
HDMI0_BCM
CVBS_LIVE
TP1
CVBS_LIVE
SIF1
Cab
le
ISDB-T/
PAL/NTSC
(System + DVR + Scalar)
IF
I2S_BCM
TAS9709
TAS9709
AV1
AV1_LR
COMP1_LR
COMP2_LR
RGB_LR EXT_IN
AV2
AV2_LR
NANDFlash
512MB
NANDFlash
512MB
(Audio Out)
USB2.0
SPDIF
SIF_LIVE
I2S_BCM
(Comp1/2, RGB)
LAN
HUB
(PK950)
PK550
BT Module
PK950 
(USB)
Demodulator
MN884433
TP1
LAN
(LAN)
HDMI
(Wireless)
Wireless 
RX Box
PHY
PHY
HDMI0_BCM
TDA9996
TDA9996
HDMI_D
HDMI_A
HDMI_B
SIDE HDMI_PORT
UI_HW_PORT1
UI_HW_PORT2
HDMI_C
UI_HW_PORT3
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