DOWNLOAD LG 50PT250B-SG (CHASSIS:PB12K) Service Manual ↓ Size: 7.31 MB | Pages: 63 in PDF or view online for FREE

Model
50PT250B-SG (CHASSIS:PB12K)
Pages
63
Size
7.31 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pt250b-sg-chassis-pb12k.pdf
Date
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LG 50PT250B-SG (CHASSIS:PB12K) Service Manual ▷ View online

5. Component Video Trouble Shooting
Check Signal Format
Is it supported signal?
Y
Check Component Jack JK1000
N
Y
Check Component Signal
R1074/R1073/R1076
R1001/R1004/R1067
N
Replace one of
R1074/R1073/R1076
R1001/R1004/R1067
& Recheck
Y
Check Component Signal
R173/R175/R177
R180/R182/R184
N
Replace it
Y
Y
Check Component Cable
Replace Jack
Maybe Mstar S7LR(IC101)
has problems
(Front-end)
(External Input)
(System + Scalar)
I2S_S7LR
STA368
STA368
(Audio Out)
(USB)
6. RGB Video Trouble Shooting
Side USB
AV1
AV1_LR
COMP1_LR
COMP2_LR
RGB_LR EXT_IN
AV2
AV2_LR
(Comp1/2, RGB)
DDR3
256MB(128*2)
DDR3
256MB(128*2)
S7LR
S7LR
HD
LVDS
NANDFlash
128MB
NANDFlash
128MB
SPDIF
I2S_S7LR
Serial_Flash
1MB
Serial_Flash
1MB
EXT_IN
HDMI 1
CVBS
TP
SIF
HDMI 2
HDMI 3
USB2.0
Side USB
CVBS
SIF
Cab
le
ISDB-T/
PAL/NTSC
IF
Demodulator
MN884433
TP
REAR HDMI_PORT
SIDE HDMI_PORT
REAR HDMI_PORT
HDMI 1
HDMI 2
HDMI 3
6. RGB Video Trouble Shooting
Check Signal Format
Is it supported signal?
Y
Check RGB Jack P900
N
Y
Y
Check RGB Cable
Replace Jack
Check RGB Signal
R166,R168,R170
N
Replace It & Recheck
Y
Check Sync Signal
N
Replace one of R163/R164
& Recheck
Y
Check EEPROM (IC901)
N
Replace it or re-burn
& Recheck
Y
Maybe Mstar S7LR(IC101)
has problems
(Front-end)
(External Input)
(System + Scalar)
I2S_S7LR
STA368
STA368
AV1
AV1_LR
COMP1_LR
COMP2_LR
RGB_LR EXT_IN
AV2
AV2_LR
(Audio Out)
(Comp1/2, RGB)
(USB)
7. AV Video Trouble Shooting
Side USB
REAR HDMI_PORT
SIDE HDMI_PORT
REAR HDMI_PORT
HDMI 1
HDMI 2
HDMI 3
DDR3
256MB(128*2)
DDR3
256MB(128*2)
S7LR
S7LR
HD
LVDS
NANDFlash
128MB
NANDFlash
128MB
SPDIF
I2S_S7LR
Serial_Flash
1MB
Serial_Flash
1MB
EXT_IN
HDMI 1
CVBS
TP
SIF
HDMI 2
HDMI 3
USB2.0
Side USB
CVBS
SIF
Cab
le
ISDB-T/
PAL/NTSC
IF
Demodulator
MN884433
TP
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