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 sovalav on February 11th, 2014
Lg 50pc1dr Wont Turn On
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Current Answers
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
Approximately 10 minute pre-run time is required before Requesting MODULE Repair
1.
Ex) COF long 2-1 fail, address 1 line open, Y b/d trouble, Mal-discharge on screen. Plasma Display Panel Troubleshooting - 2007
3 The PDP Module must be protected from the PDP module since the PDP module uses high voltage, and it is required ...
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
... leak dielectric material and give off a distinct odor. Be careful of ESD and make a final determination of the signals also check for possible overheated components. Plasma Display Panel Troubleshooting - 2007
5
Make all necessary adjustments
and lastly always perform a Safety AC Leakage Test before returning the product
back to
be checked and...
Owners Manual - Page 6
... off the SMPS will remain in and turned off for TVGOS Data.
• Standby Operation -
The SMPS outputs S 5v (Standby). Power Sequence
• AC Cord Plugged in full operation. Plasma Display Panel Troubleshooting - 2007
6 SMPS... On - Needed to enable the
Micro Processor to output the RL-ON Signal to turn on the SMPS. • Digital Board sends RL-ON to P800 Pin 2 to cause Controller IC...
Owners Manual - Page 7
... Analog Board and used for the circuits on the Y SUS, Z SUS, X, and Control Boards. Adjusted at pins 1 and 2. Plasma Display Panel Troubleshooting - 2007
7
Measured from the Digital Board.
• 5v-D Switched 5v used to drive the Horizontal Grid Voltage, ...the Power Supply out of Deep Sleep Mode.
• 5V-M Needed to turn on the Digital and Analog Boards, present in standby.
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
... 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 23
Energy Recovery Function (for saving power) - Plasma Display Panel Troubleshooting - 2007
23 Generate Sustain Waveform (square wave) - SUS IPM. 2. ER IPM (IC201)
Role of IPMs
1. 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. SUS IPM (IC202) 2.
ER IPM.
Owners Manual - Page 31
Y DRIVE Boards
Troubleshooting
Y-Drive Board works as a path supplying Sustain waveform and Reset waveform which is made in Y SUSTAIN B/D to the Panel through SCAN DRIVER IC
Supplies a waveform which selects horizontal electrode sequentially.
* 50PC1DR uses 12 DRIVER ICs (TOP, BOTTOM: 6 each)
HVO VH
GND
Plasma Display Panel Troubleshooting - 2007
31
Owners Manual - Page 41
Plasma Display Panel Troubleshooting - 2007
41 ER IPM. SUS IPM. 2.Energy recovery function ( for saving power) -
Z SUS IPM (Intelligent Power Module)
95 V
Z
Vs
95V Vs
SUS_UP
Troubleshooting
SUS_DN ER_UP
ER_DN SUS_DN
There are Two IPM ( Intelligent Power Module) on the Z sustain board of the 50PC1DR.
One is SUS IPM (IC7) , another is ER...
Owners Manual - Page 45
... 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
Flash ROM
Voltage Regulator
Temperature display diode can be checked. 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 77
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 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.
Owners Manual - Page 78
Plasma Display Panel Troubleshooting - 2007
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...
Owners Manual - Page 85
Plasma Display Panel Troubleshooting - 2007
85 Here's what we can do
Watch Live TV Without buffering
Watch Live TV with 1 hour 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 ...
Owners Manual - Page 86
Manual Rec - X Studio is on PY series Plasma TV Guide - Music List - Recorded TV - TV Menu
• Home Menu Consists of : - Recorded TV - Reservation - TV Guide - TV Setup
• When you select TV menu or TV Setup the traditional TV Menu is displayed.
• In home menu, use ▲/▼ button and then ENTER or ▶button to select. • Press...
Owners Manual - Page 93
... starts. Recording failed.
Note HDD problem. Stop recording due to start No recording space. User must be turned off ? Record is possible for recording. Reached maximum number of recorded program is not possible
Plasma Display Panel Troubleshooting - 2007
93 Recording Operation Error
Message Recording halts due to stop record.
Recovering from HDD...
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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Typical Operation for HDTV Remote - LG Consumer Knowledge Base
... 26 Jun, 2009 Views: 1457 Programming the Information Display for HDTV Receiver Programming remote to turn off the volume for antenna position. buttons (on the front panel to cycle the HDTV ...on the remote control) Press to return to the previous channel you have turned down the TV's volume to receive television channels that you viewed. Notes • FLASHBK button (on the HDTV ... -
Plasma Display Panel (PDP) - LG Consumer Knowledge Base
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Z50PX2D Technical Details - LG Consumer Knowledge Base
/ Plasma TV Z50PX2D Technical Details Technical Details 50-inch plasma TV with DVI sources but includes digital audio. This results in ), optical digital audio (1 out) Two stereo speakers, 1015 watts apiece (30 watts total) Product Description Amazon.com Product Description The 50-inch Zenith Z50PX2D EDTV-ready plasma television, which is shot at home. HDMI makes an uncompressed digital...
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