LG 50PC1DR Support Question
LG 50PC1DR Support Question
Find answers below for this question about LG 50PC1DR - LG - 50" Plasma TV.Need a LG 50PC1DR manual? We have 1 online manual for this item!
Question posted by chadotteson on April 4th, 2015
Green Lines
I have 60pk200-ua plasma tv lg have green vertical lines showing on screen
Current Answers
Answer #1: Posted by TechSupport101 on April 5th, 2015 8:30 AM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,305
Member since:
May 24th, 2013 Points: 12,171,305
See the YouTube repairs videos here 1) www.youtube.com/watch?v=24FkcQoeGPg and here 2) www.youtube.com/watch?v=QyaBiSkc1l8 - there is also a thread here http://www.justanswer.com/tv-repair/73rru-lg-plasma-tv-50-pk550-ud-four-vertical-green.html#re.v/141/ you should find usefull.
Related LG 50PC1DR Manual Pages
Owners Manual - Page 2
Troubleshooting
Overview of Topics to be Discussed
•Switch Mode Power Supply •Y SUS Board •Z SUS Board •X Drive Boards
Plasma Display Panel Troubleshooting - 2007
2
Owners Manual - Page 3
... of defective condition and history. Checking Point before adjustment. 2. Safety Rules
PLASMA Overview
Safety & Handling Regulations
Troubleshooting
1. Do not exceed Higher voltage than ...and board model matches. 3. Plasma Display Panel Troubleshooting - 2007
3
Ex) COF long 2-1 fail, address 1 line open, Y b/d trouble, Mal-discharge on screen. Be cautious of residual current...
Owners Manual - Page 4
V SET_UP -VY
VSC
Z_BIAS
Plasma Display Panel Troubleshooting - 2007
4
Upon completion of the section the technician will have a better understanding of the operation of the PDP for the correct voltage ... in the upper right side of the Power Supply circuit and will be able to locate voltage and test points needed for the Single Scan Plasma.
Owners Manual - Page 5
... check for relay closing etc.
• Localize
After carefully checking the symptom and determining the circuits to check the DC Supplies for possible overheated components. Plasma Display Panel Troubleshooting - 2007
5
Always confirm
the Supplies are not only the proper level but be
causing the failure. Use your senses the first check...
Owners Manual - Page 6
... Board to the Power Board to turn on the VA, and VS Supplies • 5V-M Sent from the Power Board Pin1 of Deep Sleep Mode. Plasma Display Panel Troubleshooting - 2007
6 SMPS Operating Modes
Troubleshooting
• Deep Sleep Mode - Guide Plus not programmed or Cable Card not installed and set is sent...
Owners Manual - Page 7
...from pins 8, 9, and 10 of Deep Sleep Mode.
• 5V-M Needed to drive the Vertical Grid Voltage, X Boards and in standby. Measured from the Digital Board.
• 5v-D ...the Analog Board and used for the circuits on the Digital and Analog Boards, present in standby. Plasma Display Panel Troubleshooting - 2007
7 Measured at VR221.
• 19v Applied to the Digital Board used...
Owners Manual - Page 45
Left picture shows 7 periods
which means normal temperature
Green = OFF
Yellow = ON
Weight
D15 - 8 D16 - 4 D17 - 2 D18 - 1
TEST Pattern AUTOGEN P1 Connector
MCM (Micro Control Module)
Plasma Display Panel Troubleshooting - 2007
LG Part Number Label
45 CONTROL Board
Troubleshooting
◆. Power : 3.3V/5V
Temperature diode Voltage Regulator
Flash ROM
Voltage Regulator
Temperature display...
Owners Manual - Page 47
... LVDS or Replace Control Board
Plasma Display Panel Troubleshooting - 2007
47
< Display Lines > < Partly no display
...< Connector >
Reseat Control Board Connectors
Oscilator
LVDS poor connection
No picture
< Oscillator >
Remove LVDS Cable and short pins 1 and 2 of defect
Part
Solution
Troubleshooting
Defect display
CONTROL IC
Regular vertical lines...
Owners Manual - Page 49
If there is on the screen, it could be a Control Board problem. MCM
Buffer IC
Array 16 line
16 line
Plasma Display Panel Troubleshooting - 2007
16 output
TCP
TCP
TCP
49
Troubleshooting
Diagram of Control Board
Control Board to X Board Address Signal Flow
This will show Signal Flow Distribution to the TCP ICs. The Control Board...
Owners Manual - Page 50
TCP (Tape Carrier Package)
: supplies RGB 6bit signal to the PDP by connecting the PAD Electrode of the PANEL with the X Board.
Troubleshooting
X_B/D
Frame Rear panel
Front panel
Connector
TCP IC
TCP Plasma Display Panel Troubleshooting - 2007
Front side
50
Behind side
Owners Manual - Page 52
Center X Board
Connections on Connector P208
Troubleshooting
FL209
VA (7,8,9)
1 Thru 6 Grnd
10 Thru 14 Grnd
RGB Logic Signals 15 Thru 23
24 CLOCK
RGB Logic Signals
31 Thru 34
36
FL208 VA (42,43,44)
25 THRU 30 Grnd
35 Grnd
37 Thru 41 Grnd
45 Thru 50 Grnd
1
50
Output to TCP IC
Plasma Display Panel Troubleshooting - 2007
52
Owners Manual - Page 55
Plasma Display Panel Troubleshooting - 2007
55 Defect name
Description of defect
Part
Troubleshooting
Defect display
Vertical abnormal display
Poor connection
Vertical abnormal display
< Poor connection >
Attached particle
Vertical line ( similar with IC fail )
Check for attached particle or poor connection
either one is possible. X board
▶ Major defect : Poor connection, ...
Owners Manual - Page 56
Make sure the Ribbon Cable is securely installed
Attached particle
Plasma Display Panel Troubleshooting - 2007
56
If 1 vertical line can not be resolved by this, then the defect can not be repaired and the PDP will need to be replaced. Vertical Line
Troubleshooting
Disconnect TCP, Check for a possible particle, if found remove with compressed air or soft fabric.
Owners Manual - Page 57
Troubleshooting
The defect can be repaired if the vertical line is ESD or Surge.
< Structure of TCP IC failure is caused by TCP IC failure. Root cause of TCP with X ray analyzer >
< Failure viewed with microscope > Plasma Display Panel Troubleshooting - 2007
< metal particle between the electrode >
57 Control Board : If the buffer IC has failed, there can not be vertical lines.
Owners Manual - Page 77
LG uses Seagate Hard Drives
The 160 Gigabyte Barracuda Hard Drive from Seagate is a 3.5 inch serial ATA (Advanced Technology Attachment) Hard Drive.
It is built into several models of LG televisions and provides about 15 hours of HDTV recording or 66 hours of SDTV recording without the need of any external accessories. Plasma Display Panel Troubleshooting - 2007
77
Owners Manual - Page 78
Recent Hard Drive Upgrade
In addition the grommets for HDD mounting have been changed to P/N 5040V00101B
*Rubber changed from hard material to soft material
LG recently started replacing the HDD that was designed for PC use (P/N:6744B00040A) with a low-noise HDD designed for A/V use (P/N:6744B91953A). The original HDD is shown ...
Owners Manual - Page 85
... buffering
Watch Delayed Live TV (1 hour max)
Play Recorded show
Record one show and play a recorded show
Record one show and watch another live **
** You can only record or watch one Digital Channel at a time however you can record one Analog Channel and watch another Analog Channel at the same time. Plasma Display Panel Troubleshooting - 2007...
Owners Manual - Page 86
... you press X Studio, it displays the home menu with whatever was highlighted last.
• In home menu the HDD free space is on PY series Plasma Recorded TV - Photo List - X Studio is displayed.
• In home menu, use ▲/▼ button and then ENTER or ▶button to select. • Press the...
Owners Manual - Page 88
The Progress Bar
The Progress Bar can be brought up at any time by pressing the ENTER button To make the Progress Bar disappear you can either press ENTER again, press
EXIT or simply wait about 10 seconds
The bar will be blue during delayed playback
The bar will be red during recording The bar will be green during playback of a recorded show
Plasma Display Panel Troubleshooting - 2007
88
Owners Manual - Page 98
TROUBLE SHOOTING
Eliminate the HDD
• If you suspect the HDD is causing a video or audio problem you can simply unplug it
• You MUST unplug the TV before disconnecting or reconnecting the HDD • During initial power up the TV will detect whether or not the HDD is there
and will route the audio and video as needed
Plasma Display Panel Troubleshooting - 2007
98
LG Knowledge Base Results
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Liquid Crystal Display (LCD) - LG Consumer Knowledge Base
...green and blue color screen to the next layer. When the light reaches the far side of the liquid crystal substance, it . Most active matrix displays have the polarizing film on the display. Article ID: 2245 Last updated: 13 Oct, 2009 Views: 3333 Also read TV:LCD: Terminology Television...TV: Network Troubleshooting LCD versus Plasma ... of liquid crystals can show colors must be in ... -
Television Aspect Ratio - LG Consumer Knowledge Base
... aspect ratio will show a black line on top and bottom of the program will up scaling the programming. Some TV's may be changed to 16:9 to stretch a 4:3 aspect ratio program to 4:3 aspect ratio when watching HD channels. A larger setting on the DVD player may allow a change to fit the entire screen. If the... -
Z50PX2D Technical Details - LG Consumer Knowledge Base
...50-inch Zenith Z50PX2D EDTV-ready plasma television, which allows for the reception of most LCD screens), and easy placement due to a plasma...screen. HDMI uses HDCP copy protection. High Brightness;HDMI with the source device. The 3D Y/C digital comb filter analyzes consecutive scanning lines...PC Inputs. / Plasma TV Z50PX2D Technical Details Technical Details 50-inch plasma TV with stand Built...
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