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TRAINING MANUAL
PLASMA DISPLAY PANEL 2006 V2
60PY2DR
50PY2DR
50PX4DR
50PC1DR
50PC1DRA
Digital Display
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IMPORTANT SAFETY NOTICE
The information in this training manual is intended for use by individuals possessing an adequate background in
electrical equipment, electronic devices, and mechanical systems. In any attempt to repair a television or monitor,
personal injury and property damage can result. The manufacturer or seller maintains no responsibility for the interpretation
of this information, nor can it assume any liability in connection with its use. When servicing this product, under no
circumstances should the original design be modified or altered without permission from LG Electronics. Unauthorized
modifications will not only void the warranty, but may lead to property damage or user injury. If wires, screws, straps,
clips, nuts, or washers used to complete a ground path are removed for service, they must be returned to their original
position and properly fastened.
CAUTION
To avoid personal injury, disconnect power before servicing this product. If electrical power is required for diagnosis or
test purposes, disconnect the power immediately after performing the necessary checks. Also be warned that many
household appliances present a weight hazard. At least two people should be involved in the installation or servicing of
such devices. Failure to consider the weight of an appliance could lead to physical injury.
ESD NOTICE
Some of the electronics in appliances are electrostatic discharge (ESD) sensitive. ESD can weaken or damage the electronics
in these appliances in a manner that renders them inoperative or reduces the time until their next failure. Connect a
wrist strap to a green ground connection point or unpainted metal in the appliance. Alternatively, you may touch your
finger repeatedly to a green ground connection point or unpainted metal in the appliance. Before removing a replacement
part from its package, touch the anti-static bag to a green connection point or unpainted metal in the appliance. Avoid
unnecessary contact with electronic parts or terminal contacts. Handle the electronic control assembly by its edges only.
When repackaging a failed electronic control assembly in an anti-static bag, observe the above instructions.
REGULATORY INFORMATION
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment
is operated in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the
receiving antenna; Increase the separation between the equipment and receiver; Connect the equipment into an outlet
on a circuit different from that to which the receiver is connected; Consult the dealer or an experienced radio/TV
technician for help.
The responsible party for this device's compliance is:
LG Electronics of Alabama, Inc.
201 James Record Road
Huntsville, AL 35824, USA
Digital TV Hotline: 1-800-243-0000
Published 2006 by LG Training
TABLE OF CONTENTS
INTRODUCTION .................................. 5 FIRMWARE UPDATES VIA SERIAL CABLE 82
FIRMWARE UPDATES VIA MDS ................. 84
SAFETY INSTRUCTIONS .................... 6 USING LGIDS AND GPROBE ..................... 86
OVERVIEW .................................................... 6 CONTROL PCB SOFTWARE UPDATE ........ 91
POWER CAUTION ......................................... 6
ELECTRICAL SAFETY NOTICE .................... 7 CABLECARD S-CARD ....................... 96
ELECTRICAL SHOCK WARNING .................. 7 DIGITAL CABLE READY (DCR) ................... 96
CEA-NCTA AGREEMENT ............................ 96
MODEL SPECIFICATIONS .................. 9 TERMS ........................................................ 97
MODEL LIST ................................................. 9 VENDORS ................................................... 97
MODEL NUMBER FORMATS ...................... 10 DCR ARCHITECTURE ................................. 98
SERIAL NUMBER FORMATS ...................... 12 HOST-CABLECARD INTERFACE ................ 98
INSTALLATION ................................... 13 IN-BAND/OOB SPECIFICATION ................ 100
GROUNDING ............................................... 13 CABLE MENU & MMI ................................ 101
PLACEMENT ............................................... 13 DIGITAL CERTIFICATES DATA .................. 104
JACKPACK COVER ..................................... 13 EAS(EMERGENCY ALERT SYSTEM) ...... 104
ANTI-TIP BRACKETS ................................. 13 HOST DIAGNOSTICS ............................... 105
GENERAL MOUNTING ................................ 14 ERROR REPORTING ................................ 105
CABLE CARD TROUBLESHOOTING ......... 106
OPERATION ....................................... 15 IN-HOME TROUBLESHOOTING ................ 111
LANGUAGE ................................................. 15 CABLECARD TROUBLESHOOTING .......... 114
SETUP MENU ............................................. 15
CABLECARD M-CARD........................117
VIDEO MENU .............................................. 18
AUDIO MENU .............................................. 21 M-CARD (SA) OPERATION.......................116
TIME MENU ................................................ 23 M-CARD TERMS......................................129
OPTION MENU ............................................ 25 BUILT-IN DIGITAL VIDEO RECORDER
MOVIE RATING SYSTEM ............................ 28 (DVR) ................................................ 131
TELEVISION RATING SYSTEM .................. 28 TROUBLESHOOTING ................................ 131
CIRCUIT DESCRIPTIONS ................. 29
PCB LAYOUT ............................................. 30
DIGITAL PCB ............................................... 31
DIGITAL BLOCK DIAGRAM.........................32
TUNER PCB ................................................ 34
POWER SUPPLY ......................................... 36
SMPS BLOCK DIAGRAM...........................40
PANEL DRIVE BOARDS ............................. 43
PLASMA PANEL ......................................... 51
50PC1D VOLTAGES...................................30
50PC1D INNERCONNECT...........................53
TROUBLESHOOTING ........................ 54
SIGNAL CONTROL TROUBLESHOOTING .. 54
Z-SUSTAIN TROUBLESHOOTING ............... 55
TROUBLESHOOTHING THE COF ICS ........ 56
PANEL DRIVE SIGNAL...............................57
MEMORY CARD ERRORS .......................... 64
DISASSEMBLY ................................... 65
PREPARATION ............................................ 65
DISASSEMBLY OF THE DU-42PX12X ........ 65
DISASSEMBLY OF THE 2DR MODELS ...... 72
SOFTWARE UPDATES ...................... 79
UPDATES VIA MEMORY CARD .................. 79
Plasma Training 3 Contents
-4-
SAFETY
SAFETY INSTRUCTIONS
OVERVIEW
1. Read these instructions and the instructions in owners and service manuals.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
(including amplifiers)that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has
two blades with one wider than the other. A grounding type plug has two blades and a third
grounding prong, The wide blade or the third prong are provided for your safety. If the provided
plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience
receptacles, and the point where they exit from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold
with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination
to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has
been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled
or objects have fallen into the apparatus, the apparatus has exposed to rain or moisture, does
not operate normally, or has been dropped.
16. WARNING - To Reduce The Risk Of Fire Or Electric Shock, Do Not Expose This Appliance To Rain Or
Moisture.
17. Wet Location Marking : Apparatus shall not be exposed to dripping or splashing and no objects
filled with liquids, such as vases, shall be placed on the apparatus.
POWER CAUTION
Most appliances recommend they be placed upon a dedicated circuit; that is, a single outlet circuit
which powers only that appliance and has no additional outlets or branch circuits. Check the specification
page of this owner's manual to be certain. Do not overload wall outlets. Overloaded wall outlets,
loose or damaged wall outlets, extension cords, frayed power cords, or damaged or cracked wire
insulation are dangerous. Any of these conditions could result in electric shock or fire. Periodically
examine the cord of your appliance, and if its appearance indicates damage or deterioration, unplug
it, discontinue use of the appliance, and have the cord replaced with an exact replacement part by an
authorized servicer.
Plasma Training 5 Safety
SAFETY
Protect the power cord from physical or mechanical abuse, such as being twisted, kinked, pinched,
closed in a door, or walked upon. Pay particular attention to plugs, wall outlets, and the point where
the cord exits the appliance.
ELECTRICAL SAFETY NOTICE
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified
in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced
with the same components as recommended in this manual to prevent , Shock, Fire, or other Hazards. Do not modify the
original design without permission of manufacturer.
ELECTRICAL SHOCK WARNING
An lsolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the
AC power line. Use a transformer of adequate power rating as this protects the technician from accidents resulting in
personal injury from electrical shocks. It will also protect the receiver and its components from being damaged by
accidental shorts of the circuit that may be inadvertently introduced during the service operation. If any fuse (or
Fusible Resistor) in this monitor is blown, replace it with the same specified type. When replacing a high wattage
resistor (Oxide Metal Film Resistor, over 1W), keep the resistor 10mm away from PCB. Keep wires away from high voltage
or high temperature parts.
LEAKAGE CURRENT COLD CHECK (ANTENNA COLD CHECK)
With the instrument AC plug removed from AC source, connect an electrical jumper across the two AC plug prongs.
Place the AC switch in the on positioin, connect one lead of ohm-meter to the AC plug prongs tied together and
touch other ohm-meter lead in turn to each exposed metallic parts such as antenna terminals, phone jacks, etc. If
the exposed metallic part has a return path to the chassis, the measured resistance should be between 1M ohm and
5.2M ohm. When the exposed metal has no return path to the chassis the reading must be infinite. An other
abnormality exists that must be corrected before the receiver is returned to the customer.
LEAKAGE CURRENT HOT CHECK
Plug the AC cord directly into the AC outlet. Do not use a line Isolation Transformer during this check. Connect
1.5K/10watt resistor in parallel with a 0.15uF capacitor between a known good earth ground (Water Pipe, Conduit,
etc.) and the exposed metallic parts. Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms/
volt or more sensitivity. Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each
exposed metallic part. Any voltage measured must not exceed 0.75 volt RMS which corresponds to 0.5mA. In case
any measurement is out of the limits sepcified, there is possibility of shock hazard and the set must be checked and
repaired before it is returned to the customer.
LEAKAGE CURRENT HOT CHECK CIRCUIT
Volt Meter
0.15uF
Exposed Good Earth
Metallic Parts Ground
1.5Kohm/10W
Plasma Training 6 Overview
-7-
MODEL SPECIFICATIONS
MODEL SPECIFICATIONS
This section covers some of the past and present LG and Zenith Plasma Display Panel (PDP) TVs and
monitors. All models support computer input and RS-232, but not all models support High Definition
(HD) input. Most PDPs feature similar features and specifications. Some of the newer (2005+) models
have built-in ATSC tuners and support CableCARDTM. Note that Commerical models don't have CableCARDTM
support since it is not needed in a distribution network.
KEY TERMS
SDTV - Standard Definition (480i).
EDTV - Enhanced Definition (480p).
HDTV - High Definition (720p, 1080i).
XD EngineTM - Six distinct processes contribute to picture improvement.
CableCARD - Decoder card for digital cable.
HDMI - High Definition Multimedia Interface. Alternative to DVI. Smaller connector and
supports audio.
HDCP - High-bandwidth Digital Content Protection.
MODEL LIST
Below is a list of all PDP models. This manual focuses on the newer 2005/2006 models, but the
others are listed for reference.
40" EDTV 42" HDTV 42" EDTV
DPDP40 42PC1DA DU-42PZ60 MU-42PZ15VB P42W22H RU-42PX10
DPDP40V MU-42PM12X DU-42PZ70 MU-42PZ41 P42W24B RU-42PX11
MU-40PA10C DU-42PX12XC MU-42PX11 MU-42PZ41VB P42W24BX RU-42PZ90
MU-40PA10 MU-42PZ10 MU-42PZ90 P42W24P MU-42PM11
MU-40PA15 MU-42PZ10B MU-42PZ90C P42W34 42PX3DCV
P40V22 MU-42PZ11 MU-42PZ90H P42W34H 42PC3D
P40V24 MU-42PZ11B MZ-42PZ34 P42W34P 42PM3MV
MU-42PZ11B MU-42PZ15 P42W22 P42W46X 42PX4D
MU-42PZ15A P42W22B RU-42PX10C 42PX5D
50" HDTV 60" HDTV
DU-50PZ60 P50W26B 50PX2C D60DVMS MU-60PZ12A P60W38
DU-50PZ60H 50PB2DR 50PX2D D60DVSA MU-60PZ12B P60W38H
MU-50PZ41 50PC3D DU-50PX10C DPDP60 MU-60PZ12VB 60PY2DR
MU-50PZ41B 50PC1DRA MU-50PM10 MU-60PZ11 P60W26 60PB2DR
MU-50PZ41V 50PC1DR 50PY2DR MU-60PZ11B P60W26A MU-60PZ95V
MU-50PZ41VB 50PY2DR 50PX4DR MU-60PZ12 P60W26H MU-60PZ10B
P50W26 50PM1M 50PX1D MU-60PZ15 P60W26P 60PX4DR
Plasma Training 8 Specifications
MODEL SPECIFICATIONS
MODEL NUMBER FORMATS
OLDER ZENITH PRODUCTS (20002-2004)
Old Zenith Structure: L15V26
Display Type Screen Size Aspect Ratio Model Year Feature Level
L = LCD V= 4:3 2 = 2002 2 = Consumer
P = Plasma W = 16:9 3 = 2003 4 = Commercial
R = CRT 4 = 2004 6 = Consumer
Rear Projo
D = Micro
Display
OLDER LG PRODUCTS
Old LG Structure: MU