DOWNLOAD LG 50PT200-UB (CHASSIS:PU14K) Service Manual ↓ Size: 9.14 MB | Pages: 56 in PDF or view online for FREE

Model
50PT200-UB (CHASSIS:PU14K)
Pages
56
Size
9.14 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pt200-ub-chassis-pu14k.pdf
Date
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LG 50PT200-UB (CHASSIS:PU14K) Service Manual ▷ View online

Great Company  Great People
Power-Up Boot Fail
ATI
X260
ATI
X260
SIF
TAS5709
TAS5709
CVBS(NT Main)
DDR2
128MB
DDR2
128MB
RGB 30bit
TP
Analog
Front
End
(8input)
USB 2.0
USB (EMF)
Video
Scaler
0
Audio
Video
TP
AV2 / L/R
COMP1 L/R
RGB L/R
TP_IN1
AV1
AV2
AV1
AV2
24C512
24C512
AT/NT
VSB
LGDT3305
VSB
LGDT3305
LVDS
Con.
HD/FHD
LVDS
Con.
HD/FHD
AV1 / L/R
GPIO
I2S
Mstar
Saturn 4L
(# of MPEG decoder)
RGB
RGB
HDMI1
COMP1
SPDIF
Component 1
Analog
RGB
(3input)
SIF
SIF
Analog
Audio
(6input)
Analog
Audio
(3output)
SPI
Flash
8MB
Flash
8MB
HDMI 1
12MHz
25MHz
HDMI2
COMP2
Side HDMI
COMP2 L/R
UART
MAX3232
MAX3232
RS-232C
Component 2
HDMI 2
HDMI 3
Optical output
NVRAM
24WC08
24WC08
HDCP
Air/Cable
Trouble Shooting Guide
Great Company  Great People
Check  P301 All
Voltage Level (16V,5V)
Check Power connector
OK ?
Replace Power board
Y
N
Y
Check C311 
Voltage Level 5V
Replace Q302
Y
N
Check IC303 (pin2)
Voltage Level 3.3V
Replace IC303
Y
N
Check IC203 Flash Memory
Check  IC302 (pin2) Output
Voltage Level (3.3V) 
Replace  IC302
N
Y
Power-Up Boot Fail
Trouble Shooting Guide
Great Company  Great People
ATI
X260
ATI
X260
SIF
TAS5709
TAS5709
CVBS(NT Main)
DDR2
128MB
DDR2
128MB
RGB 30bit
TP
Analog
Front
End
(8input)
USB 2.0
USB (EMF)
Video
Scaler
0
Audio
Video
TP
AV2 / L/R
COMP1 L/R
RGB L/R
TP_IN1
AV1
AV2
AV1
AV2
24C512
24C512
AT/NT
VSB
LGDT3305
VSB
LGDT3305
LVDS
Con.
HD/FHD
LVDS
Con.
HD/FHD
AV1 / L/R
GPIO
I2S
Mstar
Saturn 4L
(# of MPEG decoder)
RGB
RGB
HDMI1
COMP1
SPDIF
Component 1
Analog
RGB
(3input)
SIF
SIF
Analog
Audio
(6input)
Analog
Audio
(3output)
SPI
Flash
8MB
Flash
8MB
HDMI 1
12MHz
25MHz
HDMI2
COMP2
Side HDMI
COMP2 L/R
UART
MAX3232
MAX3232
RS-232C
Component 2
HDMI 2
HDMI 3
Optical output
NVRAM
24WC08
24WC08
HDCP
Air/Cable
No OSD
Trouble Shooting Guide
Great Company  Great People
Check P701 or P703
#21(RA2+) , #22(RA2-) ,
#19(RB2+) , #20(RB2-) 
Maybe Mstar has problems
Replace IC1
Check LVDS Cable for damage or 
open conductors
.
Check PDP Module 
Control board
Refer to Module CAS
Y
N
Y
Replace Cable
N
Y
Check SMPS Vs,Va, 5V,16V
Replace Power Board
N
Check 
P701/P703 : Disp_EN,
P301 : M_ON
Check GPIO Path of IC1
N
Y
Electrical Specifications
Power Supply Sequence
Input Signal Timing Specification
Control Signal Register
Check CAS
It should satisfy the 
Pixel Clock
on CAS.
No OSD
Trouble Shooting Guide
26
35.7 
28
Va OVP
24
38.5 
26
Vs OVP
22
41.7 
24
M5V OVP
20
45.5 
22
17V OVP
18
50.0 
20
5V OVP
16
55.6 
18
Va UVP
14
62.5 
16
Vs UVP
12
71.4 
14
Vs OCP
10
83.3 
12
M5V UVP
8
100.0 
10
17V UVP
6
125.0 
8
5V UVP
4
166.7 
6
PFC_DET Error
Counter 결과
Frequency(Hz)
Period(ms)
Error 종류
Check Error-Det count
Check ADJ-Remocon (IN-START)
10.Power error history
Maybe Module has problems
Replace module
Y
N
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