LG 50PC1DR - LG - 50" Plasma TV Support and Manuals
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Most Recent LG 50PC1DR Questions
Green Lines
I have 60pk200-ua plasma tv lg have green vertical lines showing on screen
I have 60pk200-ua plasma tv lg have green vertical lines showing on screen
(Posted by chadotteson 9 years ago)
Lg 50pc1dr Wont Turn On
(Posted by sovalav 10 years ago)
Lg Plasma Tv 50pc1dr-ua W0nt Come On
wheni hit th power button a white light blinks 2 times then gose back to red ?whats going on ?y is t...
wheni hit th power button a white light blinks 2 times then gose back to red ?whats going on ?y is t...
(Posted by cheralhookera 11 years ago)
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Popular 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
...Ex) COF long 2-1 fail, address 1 line open, Y b/d trouble, Mal-discharge on screen. Be cautious of residual current stored. 4. Be cautious of Panel and boards. 2. Checking Point before adjustment. 2. Safety Rules
PLASMA Overview
Safety & Handling Regulations
Troubleshooting
1. Check the model label.
Plasma Display Panel Troubleshooting - 2007
3 The PDP Module must be protected from...
Owners Manual - Page 4
... the technician will have a better understanding of the operation of the Power Supply circuit and will vary from Panel to the sticker located in the upper right side of the Presentation will cover troubleshooting the Switch Mode Power Supply for the DC 5v, VA, VS, V SET UP, -VY, VSC, and Z Bias as they will be able to...
Owners Manual - Page 5
...• Localize
After carefully checking the symptom and determining the circuits to
be checked and after giving a thorough examination using your senses Sight, Smell, Touch and Hearing. Plasma Display Panel Troubleshooting - 2007
5 Troubleshooting Steps
• Define
Look at the symptom carefully and determine what circuits could be the DC Supply voltages to those circuits under test.
Owners Manual - Page 6
... Card not installed and set is sent from the Power Board Pin1 of P800 to bring the Power Supply out of DS Mode as needed for approximately 2 hours and go into Deep Sleep Mode. Plasma Display Panel Troubleshooting - 2007
6 Guide Plus has been programmed or a Cable Card is installed and unit is powered off the SMPS will remain in and turned off...
Owners Manual - Page 7
... VR901
• 5v.DC Used to turn on the 5V-DC Supply.
Plasma Display Panel Troubleshooting - 2007
7 Switch Mode Power Supply (SMPS) Voltages
Troubleshooting
• VS 196v used for the signal processing circuits present in standby. Adjusted at P803 pins 9 and 10 to chassis ground.
• 6v Applied to the Digital Board used to chassis ground. ON Switched 5 volts...
Owners Manual - Page 8
Power Supply VS Adjust
VA Adjust
VS
VA Source
VA
5v
VS Source
Control IC
3.3v Adjust
19v Audio Supply 12V,6V, 5V and 3.3V Source
Standby Circuit
P802
P803
P800
Plasma Display Panel Troubleshooting - 2007
8
Troubleshooting
380 Volt Supply
AC Input Circuit
Owners Manual - Page 9
Power Supply Low Voltage Connectors
Troubleshooting
P800 PIN1
P803 PIN 1
P802 PIN 1
P800 1) AC-D 2) RL-ON 3) S-5V 4) GND 5) VS-ON 6) 5V-D 7) M5V-ON 8) S-5V 9) GND 10) NC 11) 6V 12) N.C 13) 3.... 3) GND 4) GND 5) 6V 6) 6V 7) GND 8) GND 9) 12V 10) 12V 11) GND 12) GND
P802 1) 19V 2) 19V 3) GND 4) GND 5) 6V 6) GND 7) 3.3V 8) GND 9) 12V 10) GND
Plasma Display Panel Troubleshooting - 2007
9
Owners Manual - Page 10
...
VS
D952 D953 D271
6V D261 Q252
D251 D202
VA
5V-M
Q281
5V HS6 U261 Q223
D221
3.3v
AC Input F101
AC INPUT Circuit
Plasma Display Panel Troubleshooting - 2007
10 Power Supply Voltage Distribution
HS2 Q607
Q801 PC901
HS3 U801
HS4
T801
R606 R607
Q606 Q601
U851
T902
Q854
R963
P802 19V
3.3V 12V
P803...
Owners Manual - Page 22
...Board Logic signals needed to generate drive waveform
Transfer Waveform to Y Drive Board
Display Panel
Plasma Display Panel Troubleshooting - 2007
22 SMPS
Receive 5V,Va, Vs from SMPS
Distributes 5v
IPM generates Sustain Waveform
Generates Vsc, -Vy from 5v VA Vs by transformer. Diagram of Y Sustain Board
Y Sustain Board
Z SUS Board Distributes 5v VA VS Distributes 5v VA
Power Supply Board...
Owners Manual - Page 23
Generate Sustain Waveform (square wave) - SUS IPM. 2. ER IPM. Plasma Display Panel Troubleshooting - 2007
23
Energy Recovery Function (for saving power) - SUS IPM (IC202) 2. IPM (Intelligent Power Module)
Troubleshooting
SUS_UP
ER_UP ER_DN
SUS_DN
SUS_DN
There are two IPMs used in 50PC1DR on the Y Sustain Board.
1. ER IPM (IC201)
Role of IPMs
1.
Owners Manual - Page 45
... ON/OFF order of all FET on
DRIVER B/D by receiving 8 bit R, G, B input.
◆. 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 Power : 3.3V/5V
Temperature diode Voltage Regulator...
Owners Manual - Page 64
Refer to the label on the Y-SUS PCB match this manual. Waveform Test point
DUAL SCAN PDP 50PX2
Vsc test point, Adjustment
-Vy test point, Adjustment
Variations in the PCB design will result in variations in this number to the correct signal in The signal driving the PDP panel.
Plasma Display Panel Troubleshooting - 2007
64
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 86
... 1394 - Manual Rec - Plasma Display Panel Troubleshooting - 2007
86
X Studio Pro is on DR and DRA series Plasma and LCD
• When 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 Music List -
Recorded TV -
Schedule - Photo List - TV Guide - TV Setup
•...
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