42LA613S
LG 42LA613S, 42LA613V, 42LA615V, 42LA6130, 42LA6134 Service manual
...
Printed in KoreaP/NO : MFL67651306 (1303-REV00)
CHASSIS : LD31B
MODEL : 42LA61** 42LA61**-Z*
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
LED TV
SERVICE MANUAL
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
Internal Use Only
- 2 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
CONTENTS
CONTENTS .............................................................................................. 2
SAFETY PRECAUTIONS ........................................................................ 3
SERVICING PRECAUTIONS ................................................................... 4
SPECIFICATION ...................................................................................... 6
ADJUSTMENT INSTRUCTION ............................................................. 10
BLOCK DIAGRAM ................................................................................. 16
EXPLODED VIEW .................................................................................. 19
SCHEMATIC CIRCUIT DIAGRAM ..............................................................
- 3 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the
Schematic Diagram and Exploded View.
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.
General Guidance
An isolation 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 it's components from being
damaged by accidental shorts of th e cir cuitry that may be
inadvertently introduced during the service operation.
If any fuse (or Fusible Resistor) in this TV receiver is blown,
replace it with the specified.
When replacing a high wattage resistor (Oxide Metal Film Resistor,
over 1 W), keep the resistor 10 mm away from PCB.
Keep wires away from high voltage or high temperature parts.
Before returning the receiver to the customer,
Always perform an AC leakage current check on the exposed
metallic parts of the cabinet, such as antennas, terminals, etc., to
be sure the set is safe to operate without damage of electrical
shock.
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 position, 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 1 MΩ and 5.2 MΩ.
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 (See below Figure)
Plug the AC cord directly into the AC outlet.
Do not use a line Isolation Transformer during this check.
Connect 1.5 K / 10 watt resistor in parallel with a 0.15 uF 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 exp ose d metallic par t. Any voltage
measured must not exceed 0.75 volt RMS which is corresponds to
0.5 mA.
In case any measurement is out of the limits specified, 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
IMPORTANT SAFETY NOTICE
SAFETY PRECAUTIONS
- 4 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
SERVICING PRECAUTIONS
CAUTION: Before servicing receivers covered by this service
manual and its supplements and addenda, read and follow the
SAFETY PRECAUTIONS on page 3 of this publication.
NOTE: If unforeseen circumstances create conict between the
following servicing precautions and any of the safety precautions
on page 3 of this publication, always follow the safety precau-
tions. Remember: Safety First.
General Servicing Precautions
1. Always unplug the receiver AC power cord from the AC power
source before;
a. Removing or reinstalling any component, circuit board
module or any other receiver assembly.
b. Disconnecting or reconnecting any receiver electrical plug
or other electrical connection.
c. Connecting a test substitute in parallel with an electrolytic
capacitor in the receiver.
CAUTION: A wrong part substitution or incorrect polarity
installation of electrolytic capacitors may result in an explo-
sion hazard.
2. Test high voltage only by measuring it with an appropriate
high voltage meter or other voltage measuring device (DVM,
FETVOM, etc) equipped with a suitable high voltage probe.
Do not test high voltage by "drawing an arc".
3. Do not spray chemicals on or near this receiver or any of its
assemblies.
4. Unless specied otherwise in this service manual, clean
electrical contacts only by applying the following mixture to the
contacts with a pipe cleaner, cotton-tipped stick or comparable
non-abrasive applicator; 10 % (by volume) Acetone and 90 %
(by volume) isopropyl alcohol (90 % - 99 % strength)
CAUTION: This is a ammable mixture.
Unless specied otherwise in this service manual, lubrication
of contacts in not required.
5. Do not defeat any plug/socket B+ voltage interlocks with which
receivers covered by this service manual might be equipped.
6. Do not apply AC power to this instrument and/or any of its
electrical assemblies unless all solid-state device heat sinks
are correctly installed.
7. Always connect the test receiver ground lead to the receiver
chassis ground before connecting the test receiver positive
lead.
Always remove the test receiver ground lead last.
8. Use with this receiver only the test xtures specied in this
service manual.
CAUTION: Do not connect the test xture ground strap to any
heat sink in this receiver.
Electrostatically Sensitive (ES) Devices
Some semiconductor (solid-state) devices can be damaged eas-
ily by static electricity. Such components commonly are called
Electrostatically Sensitive (ES) Devices. Examples of typical ES
devices are integrated circuits and some eld-effect transistors
and semiconductor “chip” components. The following techniques
should be used to help reduce the incidence of component dam-
age caused by static by static electricity.
1. Immediately before handling any semiconductor component or
semiconductor-equipped assembly, drain off any electrostatic
charge on your body by touching a known earth ground. Alter-
natively, obtain and wear a commercially available discharg-
ing wrist strap device, which should be removed to prevent
potential shock reasons prior to applying power to the unit
under test.
2. After removing an electrical assembly equipped with ES
devices, place the assembly on a conductive surface such as
aluminum foil, to prevent electrostatic charge buildup or expo-
sure of the assembly.
3. Use only a grounded-tip soldering iron to solder or unsolder
ES devices.
4. Use only an anti-static type solder removal device. Some sol-
der removal devices not classied as “anti-static” can generate
electrical charges sufcient to damage ES devices.
5. Do not use freon-propelled chemicals. These can generate
electrical charges sufcient to damage ES devices.
6. Do not remove a replacement ES device from its protective
package until immediately before you are ready to install it.
(Most replacement ES devices are packaged with leads elec-
trically shorted together by conductive foam, aluminum foil or
comparable conductive material).
7. Immediately before removing the protective material from the
leads of a replacement ES device, touch the protective mate-
rial to the chassis or circuit assembly into which the device will
be installed.
CAUTION: Be sure no power is applied to the chassis or cir-
cuit, and observe all other safety precautions.
8. Minimize bodily motions when handling unpackaged replace-
ment ES devices. (Otherwise harmless motion such as the
brushing together of your clothes fabric or the lifting of your
foot from a carpeted oor can generate static electricity suf-
cient to damage an ES device.)
General Soldering Guidelines
1. Use a grounded-tip, low-wattage soldering iron and appropri-
ate tip size and shape that will maintain tip temperature within
the range or 500 °F to 600 °F.
2. Use an appropriate gauge of RMA resin-core solder composed
of 60 parts tin/40 parts lead.
3. Keep the soldering iron tip clean and well tinned.
4. Thoroughly clean the surfaces to be soldered. Use a mall wire-
bristle (0.5 inch, or 1.25 cm) brush with a metal handle.
Do not use freon-propelled spray-on cleaners.
5. Use the following unsoldering technique
a. Allow the soldering iron tip to reach normal temperature.
(500 °F to 600 °F)
b. Heat the component lead until the solder melts.
c. Quickly draw the melted solder with an anti-static, suction-
type solder removal device or with solder braid.
CAUTION: Work quickly to avoid overheating the circuit
board printed foil.
6. Use the following soldering technique.
a. Allow the soldering iron tip to reach a normal temperature
(500 °F to 600 °F)
b. First, hold the soldering iron tip and solder the strand
against the component lead until the solder melts.
c. Quickly move the soldering iron tip to the junction of the
component lead and the printed circuit foil, and hold it there
only until the solder ows onto and around both the compo-
nent lead and the foil.
CAUTION: Work quickly to avoid overheating the circuit
board printed foil.
d. Closely inspect the solder area and remove any excess or
splashed solder with a small wire-bristle brush.
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LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
IC Remove/Replacement
Some chassis circuit boards have slotted holes (oblong) through
which the IC leads are inserted and then bent at against the cir-
cuit foil. When holes are the slotted type, the following technique
should be used to remove and replace the IC. When working with
boards using the familiar round hole, use the standard technique
as outlined in paragraphs 5 and 6 above.
Removal
1. Desolder and straighten each IC lead in one operation by
gently prying up on the lead with the soldering iron tip as the
solder melts.
2. Draw away the melted solder with an anti-static suction-type
solder removal device (or with solder braid) before removing
the IC.
Replacement
1. Carefully insert the replacement IC in the circuit board.
2. Carefully bend each IC lead against the circuit foil pad and
solder it.
3. Clean the soldered areas with a small wire-bristle brush.
(It is not necessary to reapply acrylic coating to the areas).
"Small-Signal" Discrete Transistor
Removal/Replacement
1. Remove the defective transistor by clipping its leads as close
as possible to the component body.
2. Bend into a "U" shape the end of each of three leads remain-
ing on the circuit board.
3. Bend into a "U" shape the replacement transistor leads.
4. Connect the replacement transistor leads to the corresponding
leads extending from the circuit board and crimp the "U" with
long nose pliers to insure metal to metal contact then solder
each connection.
Power Output, Transistor Device
Removal/Replacement
1. Heat and remove all solder from around the transistor leads.
2. Remove the heat sink mounting screw (if so equipped).
3. Carefully remove the transistor from the heat sink of the circuit
board.
4. Insert new transistor in the circuit board.
5. Solder each transistor lead, and clip off excess lead.
6. Replace heat sink.
Diode Removal/Replacement
1. Remove defective diode by clipping its leads as close as pos-
sible to diode body.
2. Bend the two remaining leads perpendicular y to the circuit
board.
3. Observing diode polarity, wrap each lead of the new diode
around the corresponding lead on the circuit board.
4. Securely crimp each connection and solder it.
5. Inspect (on the circuit board copper side) the solder joints of
the two "original" leads. If they are not shiny, reheat them and
if necessary, apply additional solder.
Fuse and Conventional Resistor
Removal/Replacement
1. Clip each fuse or resistor lead at top of the circuit board hollow
stake.
2. Securely crimp the leads of replacement component around
notch at stake top.
3. Solder the connections.
CAUTION: Maintain original spacing between the replaced
component and adjacent components and the circuit board to
prevent excessive component temperatures.
Circuit Board Foil Repair
Excessive heat applied to the copper foil of any printed circuit
board will weaken the adhesive that bonds the foil to the circuit
board causing the foil to separate from or "lift-off" the board. The
following guidelines and procedures should be followed when-
ever this condition is encountered.
At IC Connections
To repair a defective copper pattern at IC connections use the
following procedure to install a jumper wire on the copper pattern
side of the circuit board. (Use this technique only on IC connec-
tions).
1. Carefully remove the damaged copper pattern with a sharp
knife. (Remove only as much copper as absolutely necessary).
2. Carefully scratch away the solder resist and acrylic coating (if
used) from the end of the remaining copper pattern.
3. Bend a small "U" in one end of a small gauge jumper wire and
carefully crimp it around the IC pin. Solder the IC connection.
4. Route the jumper wire along the path of the out-away copper
pattern and let it overlap the previously scraped end of the
good copper pattern. Solder the overlapped area and clip off
any excess jumper wire.
At Other Connections
Use the following technique to repair the defective copper pattern
at connections other than IC Pins. This technique involves the
installation of a jumper wire on the component side of the circuit
board.
1. Remove the defective copper pattern with a sharp knife.
Remove at least 1/4 inch of copper, to ensure that a hazardous
condition will not exist if the jumper wire opens.
2. Trace along the copper pattern from both sides of the pattern
break and locate the nearest component that is directly con-
nected to the affected copper pattern.
3. Connect insulated 20-gauge jumper wire from the lead of the
nearest component on one side of the pattern break to the
lead of the nearest component on the other side.
Carefully crimp and solder the connections.
CAUTION: Be sure the insulated jumper wire is dressed so the
it does not touch components or sharp edges.
- 6 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement
.
1. Application range
This specification is applied to the LCD TV used LD31B/
LD36B chassis.
2. Requirement for Test
Each part is tested as below without special appointment.
1) Temperature: 25 °C ± 5 °C(77 °F ± 9 °F), CST: 40 °C ± 5 °C
2) Relative Humidity: 65 % ± 10 %
3) Power Voltage
: Standard input voltage (AC 100-240 V~, 50/60 Hz)
* Standard Voltage of each products is marked by models.
4) Specification and performance of each parts are followed
ea ch drawing and s pe cificatio n b y p art number in
accordance with BOM.
5) The receiver must be operated for about 5 minutes prior to
the adjustment.
3. Test method
1) Performance: LGE TV test method followed
2) Demanded other specification
- Safety : CE, IEC specification
- EMC : CE, IEC
4. Model General Specification
No. Item Specication Remarks
1 Market EU(PAL Market-37Countries) DTV & Analog (Total 37 countries)
DTV (MPEG2/4, DVB-T) :37 countries
UK/Italy/Germany/France/Spain/Sweden/Finland/Neth-
erlands/ Belgium/Luxemburg/ Greece/Denmark/Czech/
Austria /Hungary/Swiss/Croatia/TurkeyNorway/Slovenia/
Poland/Ukraine/Portugal/Ireland/Morocco/Latvia/Estonia/
Lithania/Rumania/Bulgaria/Russia/SlovakiaBosnia/Serbia/
Albania/Kazakhstan/Belarus
DTV (MPEG2/4, DVB-T2): 8 countries
UK/Denmark/Sweden/Finland/Norway/Ireland/Ukraine/
Kazakhstan
DTV (MPEG2/4, DVB-C): 37 countries
UK/Italy/Germany/France/Spain/Sweden/Finland/Nether-
lands/ Belgium/Luxemburg/ Greece/Denmark/Czech/Aus-
tria /Hungary/Swiss/Croatia/TurkeyNorway/Slovenia/Poland
/Ukraine/Portugal/Ireland/Morocco/Latvia/Estonia/Lithania/
Rumania/Bulgaria/Russia/SlovakiaBosnia/Serbia/Albania/
Kazakhstan/Belarus
DTV (MPEG2/4,DVB-S): 29 countries
Italy/Germany/France/Spain/Netherlands/ Belgium/Luxem-
burg/Greece/Czech/Austria /Hungary/Swiss/Croatia/Turkey/
Slovenia/Poland/Portugal/ Morocco/Latvia/Estonia/Lithania/
Rumania/Bulgaria/Russia/Slovakia/Bosnia/Serbia/Albania/
Belarus
Supported satellite : 22 satellites
HISPASAT 1C/1D, ATLANTIC BIRD 2, NILESAT 101/102,
ATLANTIC BIRD 3, AMOS 2/3, THOR 5/6, IRIUS 4,
EUTELSAT-W3A, EUROBIRD 9A, EUTELSAT-W2A,
HOTBIRD 6/8/9, EUTELSAT-SESAT, ASTRA 1L/H/M/
KR, ASTRA 3A/3B, BADR 4/6, ASTRA 2D, EUROBIRD 3,
EUTELSAT-W7, HELLASSAT 2, EXPRESS AM1, TURK-
SAT 2A/3A, INTERSAT10
- 7 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
No. Item Specication Remarks
2 Broadcasting system
Analogue TV
1) PAL-BG
2) PAL-DK
3) PAL-I/I’
4) SECAM-BG
5) SECAM-DK
6) SECAM L/L’
Digital TV
1) DVB-T/C/T2
Satellite Digital TV
1) DVB-T/C/S/S2
Analogue TV : (RF) VHF: E2 to E12, UHF : E21 to E69
(CATV) S1 to S20, HYPER: S21 to S47
Digital TV : VHF, UHF
Satellite TV : VHF, UHF,
C-Band, Ku-Band
* DVB-T2 ( T2 model only support )
* DVB-S/S2 (Satellite model only support )
3 Receiving system
Analog : Upper Heterodyne
Digital : COFDM, QAM
► DVB-T
- Guard Interval(Bitrate_Mbit/s)
1/4, 1/8, 1/16, 1/32
- Modulation : Code Rate
QPSK : 1/2, 2/3, 3/4, 5/6, 7/8
16-QAM : 1/2, 2/3, 3/4, 5/6, 7/8
64-QAM : 1/2, 2/3, 3/4, 5/6, 7/8
► DVB-T2
- Guard Interval(Bitrate_Mbit/s)
1/4, 1/8, 1/16, 1/32, 1/128, 19/128, 19/256,
- Modulation : Code Rate
QPSK : 1/2, 2/5, 2/3, 3/4, 5/6
16-QAM : 1/2, 2/5, 2/3, 3/4, 5/6
64-QAM : 1/2, 2/5, 2/3, 3/4, 5/6
256-QAM : 1/2, 2/5, 2/3, 3/4, 5/6
► DVB-C
- Symbolrate : 4.0Msymbols/s to 7.2Msymbols/s
- Modulation : 16QAM, 64-QAM, 128-QAM and 256-QAM
► DVB-S/S2
- symbolrate
DVB-S2 (8PSK / QPSK) : 2 ~ 45Msymbol/s
DVB-S (QPSK) : 2 ~ 45Msymbol/s
- viterbi
DVB-S mode : 1/2, 2/3, 3/4, 5/6, 7/8
DVB-S2 mode : 1/2, 2/3, 3/4, 3/5, 4/5, 5/6, 8/9, 9/10
4 Scart Jack (1EA) PAL, SECAM Scart 1 Jack is Full scart and support RF-OUT(analog).
5 Video Input RCA(1EA) PAL, SECAM, NTSC
4 System : PAL, SECAM, NTSC, PAL60
Common port
6 Component Input (1EA)
Y/Cb/Cr
Y/Pb/Pr
Common port
7 HDMI Input (2EA) HDMI1/2-DTV Support HDCP
8 Audio Input (1EA) Component & AV Component & AV’s audio input is used by common port.
9 SDPIF out (1EA) SPDIF out
10 Earphone out (1EA)
Antenna, AV1, AV2, Component,
HDMI1, HDMI2
LA58 Only
11 USB (1EA) EMF, DivX HD, For SVC (download) JPEG, MP3, DivX HD
12 DVB
DVB-T
CI : UK, Finland, Denmark, Norway, Sweden, Russia,
Spain, Ireland, Luxemburg, Belgium, Netherland
CI+ : France(Canal+), Italy(DGTVi)
DVB-C
CI : Switzerland, Austria, Slovenia, Hungary, Bulgaria
CI+ : Switzerland(UPC,Cablecom), Netherland(Ziggo),
Germany(KDG,CWB), Finland(labwise)
DVB-S CI + : Germany(Astra HD+ )
13 Ethernet (1EA) DLNA(Wired, DMP only)
LA58 : for DLNA
T2 Model ( LA58V, LA58U, LN54V, LN54U ) : for MHEG
- 8 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
5. Video resolutions (2D)
5.1. Component Input (Y, CB/PB, CR/PR)
No. Resolution H-freq(kHz) V-freq(Hz) Pixel clock(MHz) Proposed
1
720*576 15.625 50.00 13.5 SDTV ,DVD 576I
2
720*480 15.73 60.00 13.5135 SDTV ,DVD 480I
3 720*480 15.73 59.94 13.50 SDTV ,DVD 480I
4 720*576 31.25 50.00 27.00 SDTV 576P
5 720*480 31.50 60.00 27.027 SDTV 480P
6 720*480 31.47 59.94 27.00 SDTV 480P
7 1280*720 37.50 50.00 74.25 HDTV 720P
8 1280*720 45.00 60.00 74.25 HDTV 720P
9 1280*720 44.96 59.94 74.176 HDTV 720P
10 1920*1080 28.125 50.00 74.25 HDTV 1080I
11 1920*1080 33.75 60.00 74.25 HDTV 1080I
12 1920*1080 33.72 59.94 74.176 HDTV 1080I
13 1920*1080 56.25 50.00 148.50 HDTV 1080P
14 1920*1080 67.50 60.00 148.50 HDTV 1080P
15 1920*1080 67.432 59.94 148.352 HDTV 1080P
16 1920*1080 27.00 24.00 74.25 HDTV 1080P
17 1920*1080 26.97 23.94 74.176 HDTV 1080P
18 1920*1080 33.75 30.00 74.25 HDTV 1080P
19
1920*1080 33.71 29.97 74.176 HDTV 1080P
5.2. HDMI Input(PC/DTV)
No. Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remark
PC(DVI) DDC
1 640*350 31.468 70.09 25.17 EGA X
2 720*400 31.469 70.08 28.32 DOS O
3 640*480 31.469 59.94 25.17 VESA(VGA) O
4 800*600 37.879 60.31 40.00 VESA(SVGA) O
5 1024*768 48.363 60.00 65.00 VESA(XGA) O
6 1152*864 54.348 60.053 80.00 VESA O
7 1360*768 47.712 60.015 85.50 VESA (WXGA) O
8 1280*1024 63.981 60.020 108.0 VESA (SXGA) O FHD only
9 1920*1080 67.50 60.00 148.5 HDTV 1080P O FHD only
DTV
1 720*480 31.47 59.94 27.00 SDTV 480P
2 720*480 31.50 60.00 27.027 SDTV 480P
3 720*576 31.250 50.00 27.00 SDTV 576P
4 1280*720 37.50 50.00 74.25 HDTV 720P
5 1280*720 45.00 60.00 74.25 HDTV 720P
6 1280*720 44.96 59.94 74.176 HDTV 720P
7 1920*1080 28.125 50.00 74.25 HDTV 1080I
8 1920*1080 33.75 60.00 74.25 HDTV 1080I
9 1920*1080 33.72 59.94 74.176 HDTV 1080I
10 1920*1080 56.250 50.00 148.50 HDTV 1080P
11 1920*1080 67.50 60.00 148.50 HDTV 1080P
12 1920*1080 67.432 59.94 148.352 HDTV 1080P
13 1920*1080 27.00 24.00 74.25 HDTV 1080P
14 1920*1080 26.97 23.976 74.176 HDTV 1080P
15 1920*1080 33.75 30.00 74.25 HDTV 1080P
- 9 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
6. Video resolutions (3D)
6.1. HDMI Input
No. Resolution H-freq(kHz) V-freq(Hz) Pixel clock(MHz) Proposed 3D input proposed mode
1. 1920*1080 53.95 / 54 23.98 / 24 148.35/148.5 HDTV 1080P Frame packing
2. 1280*720 89.9 / 90 59.94/60 148.35/148.5 HDTV 720P Frame packing
3. 1280*720 75 50 148.5 HDTV 720P Frame packing
4 1920*1080 67.5 60 148.5 HDTV 1080P Side by Side(half), Top and bottom
5 1920*1080 56.3 50 148.5 HDTV 1080P Side by Side(half), Top and bottom
6 1280*720 45 60 74.25 HDTV 720P Side by Side(half), Top and Bottom
7 1280*720 37.5 50 74.25 HDTV 720P Side by Side(half), Top and Bottom
8 1920*1080 33.7 60 74.25 HDTV 1080i Side by Side(half), Top and Bottom
9 1920*1080 28.125 50 74.25 HDTV 1080i Side by Side(half), Top and Bottom
10 1920*1080 27 24 74.25 HDTV 1080P Side by Side(half), Top and Bottom
11 1920*1080 33.7 30 89.1 HDTV 1080P Side by Side(half), Top and Bottom
6.2. RF 3D Input(DTV)
No. Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed 3D input proposed mode
1. 1280*720 37.500 50 74.25 HDTV 720P Side by Side, Top & Bottom
2. 1920*1080 28.125 50 74.25 HDTV 1080I Side by Side, Top & Bottom
6.3. USB Input
6.4. DLNA Input
6.5. 3D Input mode
No. Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed 3D input proposed mode
1. 1920*1080 33.75 30.000 74.25 HDTV 1080P
Side by Side, Top & Bottom **support
MPO(Photo)
No. Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed 3D input proposed mode
1. 1920*1080 33.75 30 74.25 HDTV 1080p Side by Side, Top & Bottom
No. Side by Side Top & Bottom Single Frame Sequential Frame Packing
1
- 10 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the LCD TV with
LD31B/ LD36B chassis.
2. Designation
(1) The adjustment is according to the order which is designated
and which must be followed, according to the plan
which
can be changed only on agreeing.
(2) Power adjustment : Free Voltage.
(3) Magnetic Field Condition: Nil.
(4) Input signal Unit: Product Specification Standard.
(5) Reserve after operation : Above 5 Minutes (Heat Run)
Temperature : at 25 °C ± 5 °C
Relative humidity : 65 ± 10 %
Input voltage : 220 V, 60 Hz
(6) Adjustment equipments: Color Analyzer(CA-210 or CA-110),
DDC Adjustment Jig, Service remote control.
(7) Push the "IN STOP" key - For memory initialization.
3. Main PCB check process
▪ APC - After Manual-Insert, executing APC
* Boot file Download
(1) Execute ISP program "Mstar ISP Utility" and then click
"Config" tab.
(2) Set as below, and then click "Auto Detect" and check "OK"
message.
If "Error" is displayed, check connection between computer,
jig, and set.
(3) Click "Read" tab, and then load download file(XXXX.bin)
by clicking "Read".
(4) Click "Connect" tab. If "Can't" is displayed, check connection
between computer, jig, and set.
(5) Click "Auto" tab and set as below.
(6) Click "Run".
(7) After downloading, check "OK" message.
* USB DOWNLOAD
(1) Put the USB Stick to the USB socket.
(2) Automatically detecting update file in USB Stick.
- If your downloaded program version in USB Stick is Low,
it didn't work. But your downloaded version is High, USB
data is automatically detecting.
(3) Show the message "Copying files from memory".
(4) Updating is starting.
(5) Updating Completed, The TV will restart automatically in 5
seconds.
(6) If your TV is turned on, check your updated version and
Tool option. (explain the Tool option, next stage)
* If downloading version is more high than your TV have, TV
can lost all channel data. In this case, you have to channel
recover. if all channel data is cleared, you didn’t have a DTV/
ATV test on production line.
(1)
filexxx.bin
(4)
(5)
(6)
(7)...........OK
filexxx.bin
(2)
(3)
Please Check the Speed :
To use speed between
from 200KHz to 400KHz
Case1 : Software version up
1. After downloading S/W by USB , TV set will reboot
automatically.
2. Push “In-stop” key.
3. Push “Power on” key.
4. Function inspection
5. After function inspection, Push “In-stop” key.
Case2 : Function check at the assembly line
1. When TV set is entering on the assembly line, Push
“In-stop” key at rst.
2. Push “Power on” key for turning it on.
→ If you push “Power on” key, TV set will recover
channel information by itself.
3. After function inspection, Push “In-stop” key.
- 11 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
* After downloading, have to adjust Tool Option again.
(1) Push "IN-START" key in service remote control.
(2) Select "Tool Option 1" and push "OK" key.
(3) Punch in the number. (Each model has their number)
(4) Completed selecting Tool option.
3.1. ADC Process
* If ADC processes as OTP, There is no need to proceed
internal ADC.
- Enter Service Mode by pushing "ADJ" key,
- Enter Internal ADC mode by pushing "►" key at "7. ADC
Calibration".
<Caution> Using "power on" key of the Adjustment remote
control, power on TV.
* ADC Calibration Protocol (RS232)
Adjust Sequence
▪ aa 00 00 [Enter Adjust Mode]
▪ xb 00 40 [Component Input480i)]
▪ ad 00 10 [Adjust 480i Comp1]
▪ aa 00 90 End Adjust mode
* Required equipment : Adjustment remote control.
3.2. EDID Download
▪ After enter Service Mode by pushing "ADJ" key.
▪ Enter EDID D/L menu.
▪ Enter "START" by pushing "OK" key.
<Caution> Never connect HDMI && D-sub cable when EDID
downloaded.
3.3. EDID data
(1) FHD HDMI EDID data (3D model)
(2) Detail EDID Options are below
a. Product ID
b. Serial No: Controlled on production line.
c. Month, Year: Controlled on production line:
ex) Week : '01' -> '01'
Year : '2013' -> '17' fix
d. Model Name(Hex):
cf) TV set’s model name in EDID data is below.
e. Checksum: Changeable by total EDID data.
f. Vendor Specific(HDMI)
3.4 Function Check
- Check display and sound
■ Check Input and Signal items.
1) TV
2) AV (SCART / CVBS)
3) COMPONENT (480i)
4) HDMI
* Display and Sound check is executed by Remote control.
<Caution>
Not to push the INSTOP key after completion if the function
inspection.
NO Item CMD 1 CMD 2 Data 0
Enter
Adjust MODE
Adjust
‘Mode In’
A A 0 0
When transfer the ‘Mode In’,
Carry the command.
ADC adjust ADC Adjust A D 1 0
Automatically adjustment
(The use of a internal pattern)
0 1 2 3 4 5 6 7 8 9 A B C D E F
00 00 FF FF FF FF FF FF 00 1E 6D a b
10 c 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26
20 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80
30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C
40 45 00 A0 5A 00 00 00 1E 66 21 50 B0 51 00 1B 30
50 40 70 36 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A
60 3E 1E 53 10 00 0A 20 20 20 20 20 20 d
70 d 01 e
80 02 03 33 F1 4E 10 9F 04 13 05 14 03 02 12 20 21
90 22 15 01 26 15 07 50 09 57 07 f
A0 80 1E 20 C0 0E 01 40 0A 0F 08 10 18 10 98 10 58
B0 10 38 10 01 1D 80 18 71 1C 16 20 58 2C 25 00 20
C0 C2 31 00 00 9E 01 1D 00 72 51 D0 1E 20 6E 28 55
D0 00 20 C2 31 00 00 1E 02 3A 80 18 71 38 2D 40 58
E0 2C 45 00 A0 5A 00 00 00 1E 01 1D 00 BC 52 D0 1E
F0 20 B8 28 55 40 C4 8E 21 00 00 1E 00 00 00 00 e
MODEL NAME HEX EDID Table DDC Function
HD/FHD Model 0001 01 00 Analog/Digital
Model name MODEL NAME(HEX)
LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 (LG TV)
EDID C/S data
FHD
HDMI
Check sum
(Hex)
Block 0 42
Block 1
23 (HDMI1)
13 (HDMI2)
Input Model name(HEX)
HDMI1 67030C001000801E
HDMI2 67030C002000801E
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Tool Option Commercial
6. Country Group
7. Area Option
8.ADC Calibration ►
9. White Balance
10. 10 Point WB
11. Test Pattern
12 EDID D/L
13. Sub B/C
14. Ext. Input Adjust
ADC Calibration
ADC Comp 480i
ADC Comp 1080p
ADC Type ◄ ►
OK
OK
OTP
Start Reset
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Tool Option Commercial
6. Country Group
7. Area Option
8. ADC Calibration
9. White Balance
10. 10 Point WB
11. Test Pattern
12. EDID D/L ►
13. Sub B/C
14. Ext. Input Adjust
EDID D/L
HDMI1 NG
HDMI2 NG
Start Reset
- 12 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
4. Total Assembly line process
4.1. White Balance adjustment
▪ W/B Equipment condition
CA210 : LED -> CH14, Test signal: Inner pattern(80IRE)
▪ Above 5 minutes H/run in the inner pattern. (“power on” key
of adjust remote control)
▪ If it is executed W/B adjustment in 2~3 minutes H/run, it is
adjusted by Target data.
(For OS LED / Direct LED module)
▪ Normal line
* Aging chamber
* Connecting picture of the measuring instrument
(On Automatic control)
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C POWER ON →
Enter the mode of White-Balance, the pattern will come out.
* Auto-control interface and directions
(1) Adjust in the place where the influx of light like floodlight
around is blocked. (illumination is less than 10 lux).
(2) Adhere closely the Color analyzer(CA210) to the module
less than 10 cm distance, keep it with the surface of the
Module and Color analyzer's prove vertically.(80° ~ 100°).
(3) Aging time
- After aging start, keep the power on (no suspension of
power supply) and heat-run over 5 minutes.
- Using 'no signal' or 'POWER ONLY' or the others, check
the back light on.
▪ Auto adjustment Map(using RS-232C to USB cable)
RS-232C COMMAND
[CMD ID DATA]
Wb 00 00 White Balance Start
Wb 00 ff White Balance End
<Caution>
Color Temperature : COOL, Medium, Warm.
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
adjust other two lower than C0.(When R/G/B Gain are all
C0, it is the FULL Dynamic Range of Module)
* Manual W/B process using adjust Remote control.
▪ After enter Service Mode by pushing "ADJ" key,
▪ Enter White Balance by pushing "
►
" key at "8. White
Balance".
* CASE Cool Mode
First adjust the coordinate far away from the target
value(x, y).B.
1) x, y > target
2) x, y < target
3) x >target, y < target
4) x < target, y > target
- Every 4 case have to fit y value by adjusting B Gain
and then fit x value by adjusting R-Gain.
- In this case, increasing/decreasing of B Gain and R
Gain can be adjusted.
Mode Temp Coordinate spec Target
Cool 13,000 K
X=0.269 (±0.002)
Y=0.273 (±0.002)
X=0.271
Y=0.276
Medium 9,300 K
X=0.285 (±0.002)
Y=0.293 (±0.002)
X=0.287
Y=0.296
Warm 6,500 K
X=0.313 (±0.002)
Y=0.329 (±0.002)
X=0.315
Y=0.332
NetCase4
Aging time
(Min)
Cool Medium Warm
X y x y x y
269 273 285 293 313 329
1 0-2 280 287 296 307 320 337
2 3-5 279 285 295 305 319 335
3 6-9 277 284 293 304 317 334
4 10-19 276 283 292 303 316 333
5 20-35 274 280 290 300 314 330
6 36-49 272 277 288 297 312 327
7 50-79 271 275 287 295 311 325
8 80-119 270 274 286 294 310 324
9 Over 120 269 273 285 293 309 323
Full White Pattern
CA-210
COLOR
ANALYZER
TYPE : CA-210
RS-232C Communication
RS-232C COMMAND
[CMD ID DATA]
MIN
CENTER
(DEFAULT)
MAX
Cool Mid Warm Cool Mid Warm
R Gain jg Ja jd 00 172 192 192 192
G Gain jh Jb je 00 172 192 192 192
B Gain ji Jc jf 00 192 192 172 192
R Cut 64 64 64 128
G Cut 64 64 64 128
B Cut 64 64 64 128
NetCase4
Aging time
(Min)
Cool Medium Warm
X y x y x y
269 273 285 293 313 329
1 0-2 276 282 292 302 316 332
2 3-5 274 280 290 300 314 330
3 6-9 273 278 289 298 313 328
4 10-19 272 276 288 296 312 326
5 20-35 271 274 287 294 311 324
6 36-49 270 272 286 292 310 322
7 50-79 266 269 282 289 306 319
8 80-119 264 267 280 287 304 317
9 Over 120 263 266 279 286 303 316
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Tool Option Commercial
6. Country Group
7. Area Option
8. ADC Calibration
9. White Balance
10. 10 Point WB
11. Test Pattern
12 EDID D/L
13. Sub B/C
14. Ext. Input Adjust
Whit Balance
Color Temp. ◄ ►
R-Gain
G-Gain
B-Gain
R-Cut
G-Cut
B-Cut
Test-Pattern
Backlight
Reset To Set
Cool
172
172
192
64
64
64
ON
100
- 13 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
How to adjust
1) In case G gain more than 172
Adjust R Gain and B Gain less than 192
2) if the G gain value be adjusted down to 172
G gain increase to 172 and R gain / B gain increase
same as G gain increases.
3) if R Gain / B Gain is more than 255 , the G gain adjust
to less than 172.
* CASE Medium / Warm
First adjust the coordinate far away from the target
value(x, y).
1) x, y > target
i) Decrease the R, G.
2) x, y < target
i) First decrease the B gain,
ii) Decrease the one of the others.
3) x > target, y < target
i) First decrease B, so make y a little more than the target.
ii) Adjust x value by decreasing the R
4) x < target, y > target
i) First decrease B, so make x a little more than the target.
ii) Adjust x value by decreasing the G
* After you finished all adjustments, Press "In-start" key and
compare Tool option and Area option value with its BOM, if
it is correctly same then unplug the AC cable. If it is not
same, then correct it same with BOM and unplug AC cable.
For correct it to the model's module from factory Jig model.
* Push the "IN STOP" key after completing the function
inspection. And Mechanical Power Switch must be set
“ON”.
4.2. 3D function test
(Pattern Generator MSHG-600, MSPG-6100[Support HDMI1.4])
* HDMI mode NO. 872 , pattern No.83
(1) Please input 3D test pattern like below.
(2) When 3D OSD appear automatically , then select OK key.
(3) Don't wear a 3D Glasses, Check the picture like below.
4.3. IR emitter inspection
(1) Start 3D pattern inspection.
(2) If IR emitter signal is correctly received to IR receiver, the
lamp of IR tester turns on.
4.4. MHL Test
(1) Turn on TV
(2) Select HDMI2 mode using input Menu.
(3) Set MHL Zig(M1S0D3617) using MHL input, output and
power cord.
(4) Connect HDMI cable between MHL Zig and HDMI4 port.
Result) If, The LED light is green and the Module shows
normal stream → OK, Else → NG
- 14 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
4.5. Outgoing condition Configuration
■ When pressing IN-STOP key by SVC remocon, Red LED
are blinked alternatively. And then automatically turn off.
(Must not AC power OFF during blinking)
5. HI-POT Test
5.1. HI-POT auto-check preparation
- Check the POWER cable and SIGNAL cable insertion condition
5.2. HI-POT auto-check
(1) Pallet moves in the station. (POWER CORD / AV CORD is
tightly inserted)
(2) Connect the AV JACK Tester.
(3) Controller (GWS103-4) on.
(4) HI-POT test (Auto)
- If Test is failed, Buzzer operates.
- If Test is passed, GOOD Lamp on and move to next proc-
ess automatically.
5.3. Checkpoint
(1) Test voltage
- Touchable Metal : 3 KV / min at 100 mA
- SIGNAL : 3KV / min at 100 mA
(2) TEST time: 1 second. (case : mass production )
(3) TEST POINT
- Touchable Metal => LIVE & NEUTRAL : Touchable Metal.
- SIGNAL => LIVE & NEUTRAL : SIGNAL.
6. Model name & Serial number D/L
▪ Press "Power on" key of service remote control.
(Baud rate : 115200 bps)
▪ Connect RS232 Signal Cable to RS-232 Jack.
▪ Write Serial number
▪ Must check the serial number at the Diagnostics of SET UP menu.
(Refer to below).
6.1. Signal Table
CMD : A0h
LENGTH : 85~94h (1~16 bytes)
ADH : EEPROM Sub Address high (00~1F)
ADL : EEPROM Sub Address low (00~FF)
Data : Write data
CS : CMD + LENGTH + ADH + ADL + Data_1 +...+ Data_n
Delay : 20ms
6.2. Command Set
* Description
FOS Default write : <7mode data> write
Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0,
Phase
Data write : Model Name and Serial Number write in EEPROM,.
6.3. Method & notice
(1) Serial number D/L is using of scan equipment.
(2) Sett ing of scan equ ipm ent operated by Manufac turing
Technology Group.
(3) Serial number D/L must be conformed when it is produced in
production line, because serial number D/L is mandatory by
D-book 4.0.
* Manual Download(Model Name and Serial Number)
If the TV set is downloaded by OTA or Service man, sometimes
model name or serial number is initialized.(Not always)
There is impossible to download by bar code scan, so It need
Manual download.
1) Press the "Instart" key of Adjustment remote control.
2) Go to the menu "6.Model Number D/L" like below photo.
3) Input the Factory model name or Serial number like photo.
4) Check the model name Instart menu.
→
Factory name displayed.
ex 32LV3400-ZG)
5) Check the Diagnostics.(DTV country only) → Buyer model
displayed.(ex 32LV3400-ZG)
CMD LENGTH ADH ADL DATA_1 . . . Data_n CS DELAY
Adjust mode CMD(hex) LENGTH(hex) Description
EEPROM WRITE A0h 84h+n n-bytes Write (n = 1~16)
- 15 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
7. MAC Address & CI+ key download
7.1 MAC Address
7.1.1 Equipment & Condition
▪ Play file : Serial.exe
▪ MAC Address edit
▪ Input Start / End MAC address
7.1.2 Download method
(1) Communication Prot connection
Connection : PCBA (USB Port) → USB to Serial Adapter
(UC-232A) → RS-232C cable → PC(RS-232C port)
* Caution : LJ21* chassis support only UC-232A driver. (only
use this one. )
(2) MAC Address & CI+ Key Download
▪ Set CI+ Key path Directory at Start Mac & CI+ Download
Programme
▪ Com 1,2,3,4 and 115200(Baudrate)
▪ Port connection button click(1)
▪ Push the (2) MAC Address write.
▪ At success Download, check the OK (3)
▪ Start CI+ Key Download, Push the (4)
▪ Check the OK or NG
7.2 LAN Inspection
7.2.1. Equipment & Condition
▪ Each other connection to LAN Port of IP Hub and Jig
7.2.2. LAN inspection solution
▪ LAN Port connection with PCB
▪ Network setting at MENU Mode of TV
▪ Setting automatic IP
▪ Setting state confirmation
-> If automatic setting is finished, you confirm IP and MAC
Address.
7.3. LAN PORT INSPECTION(PING TEST)
Connect SET -> LAN port == PC -> LAN Port
7.3.1. Equipment setting
(1) Play the LAN Port Test PROGRAM.
(2) Input IP set up for an inspection to Test Program.
*IP Number : 12.12.2.2
7.3.2. LAN PORT inspection (PING TEST)
(1) Play the LAN Port Test Program.
(2) Connect each other LAN Port Jack.
(3) Play Test (F9) button and confirm OK Message.
(4) Remove LAN cable.
GP4_LOW
SET PC
- 16 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LVDS
(FHD/50Hz)
SPK L/R
FPC(51P)
AUD_MASTER_CLK,
AUD_LRCH,
AUD_LRCK, AUD _SCK
DDR3 Add.
DDR3 Data
SPI
CONTROL
IR & LED /
(TACT SWITCH)
LED_R
KEY1
KEY
2
IR
I2C
SERIAL FLASH
IC1300 (8M bit)
MX25L8005M2I
DDR3 1Gb
IC1201
H5TQ1G63EFR-PBC
EEPROM 256Kbit
IC104
R1EX2425BSAS0A
NAND FLASH
IC102 (1Gbit)
K9F1G08U0D-SCB0
PCM_A[0:7]
CI Slot
TC74LCX244FT
Buffer
TS_DATA[0:7]
PCM_DATA[0:7]
FE_TS_DATA[0:7]
PCM_A[8:14]
TDSS-
G501D(B)
(LGIT)
AIF, DIF
SI
F
X-tal
24M
AIR/Cable
DDR3 1Gb
IC1202
H5TQ1G63EFR-PBC
Audio AMP
STA380BWF
SPDIF
Component1
USB
DP/DM
SPDIF
CVBS, Y/Pb/Pr, L/R
Rear
Sid e
F-SCART
SC1_CVBS_IN
SC1_R/G/B
FE_
VOUT
TMDS
HDMI1
TMDS
HDMI2
With MHL
LAN
EPHY
H/P
H/P L/R
S7LR-M
(LGE2121-MS)
IC101
- LA61*0 / LA61*4
BLOCK DIAGRAM
1. [LD31B] DVB-T/C(3D)
- 17 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LVDS
(FHD/50Hz)
SPK L/R
FPC(51P)
AUD_MASTER_CLK,
AUD_LRCH,
AUD_LRCK, AUD_SCK
SPI
CONTR OL
IR & LED /
(TACT SWITCH)
LED_ R
KEY1
KEY2
IR
I2C
SER IAL FLASH
IC1300 (8M bi t)
MX25L8005M2I
EEPROM 256Kbit
IC104
R1E X2425BSAS0A
NAND FLASH
IC102 (1Gbit )
K9F1G08U0D-SCB0
PCM_A[0:7]
CI Slot
TC74LCX244FT
Buff er
TS_DATA[0:7]
PCM_DATA[0:7]
FE_TS_DATA[0:7]
PCM_A[8:14]
SPDIF
Component1
USB
DP/DM
SPDIF
CVBS, Y/Pb/Pr, L/R
R ear
Side
F-SCART
SC1_CVBS_IN
SC1_R/G/B
FE_ VOU T
TMDS
HDMI1
TMDS
HDMI2
With MHL
LAN
EPHY
H/P
H/P L/R
TDSQ- G501D(B)
(LGIT)
AIF, DIF
SIF
X- tal
24M
LNB
A8303SESTR-T
(IC2701)
LNB OUT
FE_TS
AIR/Cab le
Seattl eite
DDR3 Add.
DDR3 Data
DDR3 1Gb
IC1201
H5TQ1G63EFR -PBC
DDR3 1Gb
IC1202
H5TQ1G63EFR -PBC
Audio AMP
STA380BWF
S7LR-M
(LGE2121 - MS)
IC101
Only for 3D
DDR3 2Gb
IC1201
H5TQ2G63DFR - PBC
2D Model
- LN54*S, LN54*R LN54*6, LN54*5, LA61*S, LA61*6
2. [LD31B] DVB-T/C/S2(2D/3D)
- 18 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
TDSQ- G601D(B)
(LGIT)
ATV_Video (Analog)
ATV_SIF (Analog)
LVDS
(FHD/50Hz)
Audio AMP
STA380BWF
SPK L/R
X- tal
24M
FPC(51P)
AUD_MASTER_CLK,
AUD_LRCH,
AUD_LRCK, AUD_SCK
SPI
CONTR OL
IR & LED /
(TACT SWITCH)
LED_ R
KEY1
KEY2
IR
I2C
LNB
A8303SESTR-T
(IC2701)
LNB OUT
FE_TS
AIR/Cab le
Seattl eite
SER IAL FLASH
IC1300 (8M bi t)
MX25L8005M2I
EEPROM 256Kbit
IC104
R1E X2425BSAS0A
NAND FLASH
IC102 (1Gbit )
K9F1G08U0D-SCB0
PCM_A[0:7]
CI Slot
TC74LCX244FT
Buff er
TS_DATA[0:7]
PCM_DATA[0:7]
FE_TS_DATA[0:7]
PCM_A[8:14]
SPDIF
Component1
USB
DP/DM
SPDIF
CVBS, Y/Pb/Pr, L/R
R ear
Side
F-SCART
SC1_CVBS_IN
SC1_R/G/B
FE_ VOU T
TMDS
HDMI1
TMDS
HDMI2
With MHL
LAN
EPHY
H/P
H/P L/R
DDR3 Add.
DDR3 Data
DDR3 1Gb
IC1201
H5TQ1G63EFR -PBC
DDR3 1Gb
IC1202
H5TQ1G63EFR -PBC
S7LR-M
(LGE2121 - MS)
IC101
Only for 3D
DDR3 2Gb
IC1201
H5TQ2G63DFR - PBC
2D Model
- LN54*V, LN54*U, LA61*V
3. [LD31B] DVB-T2/C/S2(2D/3D)
- 19 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
A2
A10
AG1
900
200
400
540
521
530
910
120
122
123
502
500
501
510
200T
LV1
* Set + Stand
* Stand Base + Body
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essenti al that these special safet y parts shoul d be replac ed with the same compo nents as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
2012/07/05
MAIN1_EU_OS 1
NC4_S7LRM
PCM_D[0]
PCM_A[3]
CI_TS_DATA[0]
CI_TS_DATA[4]
PCM_A[5]
PCM_A[2]
PCM_A[4]
PCM_A[7]
CI_TS_DATA[6]
CI_TS_DATA[3]
PCM_A[9]
PCM_D[5]
CI_TS_DATA[2]
PCM_A[2]
CI_TS_DATA[1]
PCM_A[10]
PCM_D[1]
PCM_A[5]
PCM_A[7]
PCM_A[6]
PCM_D[6]
CI_TS_DATA[7]
PCM_A[13]
PCM_A[6]
PCM_A[1]
PCM_D[2]
CI_TS_DATA[5]
PCM_A[4]
PCM_D[7]
PCM_A[14]
PCM_A[0]
PCM_A[11]
PCM_A[8]
PCM_A[3]
PCM_D[3]
PCM_A[0]
PCM_D[4]
PCM_A[1]
PCM_A[12]
FE_TS_DATA[4]
FE_TS_DATA[0]
FE_TS_DATA[6]
FE_TS_DATA[2]
FE_TS_DATA[5]
FE_TS_DATA[3]
FE_TS_DATA[7]
FE_TS_DATA[1]
FE_TS_DATA[0]
AMP_MUTE
R108
1K
OPT
PF_ALE
SIDE_HP_MUTE
MODEL_OPT_2
/PF_CE1
PWM_DIM
/PCM_WAIT
KEY2
AR104
22
PWM2
RXB4+
MODEL_OPT_7
C106
8pF
OPT
FE_TS_DATA[0]
USB1_CTL
RXA2+
RXB2-
/PCM_OE
R117 1K
OPT
RXA0-
R156
10K
OPT
PWM0
BR_RESET_DEMOD
USB1_OCD
RXB3+
RXA0+
CI_TS_CLK
R106
1K
+3.3V_Normal
RGB_DDC_SCL
/PF_WP
PM_RXD
SPI_SDO
AR102
22
MODEL_OPT_1
RXB4-
AR101
22
PM_MODEL_OPT_0
I2C_SCL
R111 22
/FLASH_WP
PWM1
+3.3V_Normal
/PCM_CE
TUNER_RESET
I2C_SDA
R109
3.9K
PCM_D[0-7]
POWER_ON/OFF_1
+3.5V_ST
PWM2
MODEL_OPT_6
R116 1K
RXACK+
/PCM_CD
/PCM_IRQA
PWM0
R112 22
/PF_WP
/F_RB
MODEL_OPT_5
PCM_5V_CTL
AUD_SCK
CI_TS_DATA[0-7]
RXA2-
+3.3V_Normal
+3.5V_ST
C111
2.2uF
OPT
C101
0.1uF
RXA4+
/PCM_IOWR
/PCM_WE
I2C_SCL
PM_TXD
/PCM_REG
/F_RB
RXB2+
SPI_SDI
C103
0.1uF
RXB0-
CI_TS_SYNC
5V_DET_HDMI_4
AUD_MASTER_CLK_0
R180
4.7K
RXBCK+
R144
2.2K
IC104-*1
R1EX24256BSAS0A
NVRAM_RENESAS
EAN62389501
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
CI_TS_VAL
R137
22
MODEL_OPT_0
RXB3-
PANEL_CTL
FE_TS_CLK
+3.3V_Normal
RXBCK-
AMP_SDA
RXB1+
/PF_WE
LNA_CTRL_1
RL_ON
AR103
22
AMP_SCL
HP_DET
RXA3+
RXA1-
R147 33
I2C_SDA
R118 1K
R151 33
R115 1K
OPT
/PF_CE1
AUD_MASTER_CLK
PM_RXD
/PF_CE0
PM_TXD
R175
10K
S/W_EU/AJ
LNA_CTRL_2
R124 1K
SC1/COMP1_DET
MODEL_OPT_4
PF_ALE
R105
1K
OPT
R141
1K
RXA1+
+3.3V_Normal
PM_MODEL_OPT_0
/PCM_IORD
PWM0
R165 1K
LED_R/BUZZ
/SPI_CS
C105
0.1uF
R177
10K
HD_LVDS_NON_EU
PWM1
SCART1_MUTE
R107
1K
R157
100
RGB_DDC_SDA
I2C_SCL
/PF_CE0
FE_TS_SYNC
/PF_OE
R136 22
/PF_OE
RXA4-
PCM_A[0-14]
+3.3V_Normal
RXA3-
SPI_SCK
PCM_RST
INV_CTL
I2C_SDA
R152 1K
OPT
R102
3.3K
R121 1K
OPT
R153 1K
FE_TS_VAL_ERR
R148
56
PM_MODEL_OPT_1
R174
10K
S/W_TAIWAN
MODEL_OPT_3
RXB0+
R140
1K
LED_R/BUZZ
AV_CVBS_DET
C104
8pF
OPT
KEY1
R123 1K
OPT
/PF_WE
R176
10K
HD_LVDS_EU
R146 33
C112
100pF
50V
OPT
AMP_RESET
RXACK-
PCM_A[0-7]
R145
2.2K
RXB1-
5V_DET_HDMI_2
FE_TS_DATA[0-7]
POWER_DET
C102-*1
10uF 10V
CAP_10uF_X7R
IC104
M24256-BRMN6TP
NVRAM_ST
EAN61548301
3
E2
2
E1
4
VSS
1
E0
5
SDA
6
SCL
7
WC
8
VCC
IC102-*1
H27U1G8F2CTR-BC
EAN35669103
NAND_FLASH_1G_HYNIX
26
NC_17
27
NC_18
28
NC_19
29
I/O0
30
I/O1
31
I/O2
32
I/O3
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
NC_23
39
NC_24
40
NC_25
41
I/O4
42
I/O5
43
I/O6
44
I/O7
45
NC_26
46
NC_27
47
NC_28
48
NC_29
17
ALE
3
NC_3
6
NC_6
16
CLE
15
NC_10
14
NC_9
13
VSS_1
12
VCC_1
11
NC_8
10
NC_7
9
CE
8
RE
7
R/B
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
WE
IC102
K9F1G08U0D-SCB0
NAND_FLASH_1G_SS
EAN61857001
26
NC_17
27
NC_18
28
NC_19
29
I/O0
30
I/O1
31
I/O2
32
I/O3
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
NC_23
39
NC_24
40
NC_25
41
I/O4
42
I/O5
43
I/O6
44
I/O7
45
NC_26
46
NC_27
47
NC_28
48
NC_29
17
ALE
3
NC_3
6
NC_6
16
CLE
15
NC_10
14
NC_9
13
VSS_1
12
VCC_1
11
NC_8
10
NC_7
9
CE
8
RE
7
R/B
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
WE
IC102-*3
H27U2G8F2CTR
EAN60708702
NAND_FLASH_2G_HYNIX
26
NC_17
27
NC_18
28
NC_19
29
I/O0
30
I/O1
31
I/O2
32
I/O3
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
NC_23
39
NC_24
40
NC_25
41
I/O4
42
I/O5
43
I/O6
44
I/O7
45
NC_26
46
NC_27
47
NC_28
48
NC_29
17
ALE
3
NC_3
6
NC_6
16
CLE
15
NC_10
14
NC_9
13
VSS_1
12
VCC_1
11
NC_8
10
NC_7
9
CE
8
RE
7
R/B
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
WE
S2_RESET
AV2_CVBS_DET
AV2_CVBS_DET
IC102-*4
TC58NVG1S3ETA00
EAN60991001
NAND_FLASH_2G_TOSHIBA
26
NC_17
27
NC_18
28
NC_19
29
I/O1
30
I/O2
31
I/O3
32
I/O4
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
NC_23
39
NC_24
40
NC_25
41
I/O5
42
I/O6
43
I/O7
44
I/O8
45
NC_26
46
NC_27
47
NC_28
48
NC_29
17
ALE
3
NC_3
6
NC_6
16
CLE
15
NC_10
14
NC_9
13
VSS_1
12
VCC_1
11
NC_8
10
NC_7
9
CE
8
RE
7
RY/BY
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
WE
R164 1K
EU
IC101
MSD804KKX
S7LR-M_NON_MS10
PCMDATA[0]/GPIO129
W21
PCMDATA[1]/GPIO130
AA18
PCMDATA[2]/GPIO131
AB22
PCMDATA[3]/GPIO123
AE20
PCMDATA[4]/GPIO122
AA15
PCMDATA[5]/GPIO121
AE21
PCMDATA[6]/GPIO120
AB21
PCMDATA[7]/GPIO119
Y15
PCMADR[0]/GPIO128
W20
PCMADR[1]/GPIO127
V20
PCMADR[2]/GPIO125
W22
PCMADR[3]/GPIO124
AB18
PCMADR[4]/GPIO102
AA20
PCMADR[5]/GPIO104
AA21
PCMADR[6]/GPIO105
Y19
PCMADR[7]/GPIO106
AB17
PCMADR[8]/GPIO111
Y16
PCMADR[9]/GPIO113
AB19
PCMADR[10]/GPIO117
AB20
PCMADR[11]/GPIO115
AA16
PCMADR[12]/GPIO107
AA19
PCMADR[13]/GPIO110
AC21
PCMADR[14]/GPIO109
AA17
PCMREG_N/GPIO126
Y20
PCMOE_N/GPIO116
AB15
PCMWE_N/GPIO195
AA22
PCMIORD_N/GPIO114
AD22
PCMIOWR_N/GPIO112
AD20
PCMCE_N/GPIO118
AD21
PCMIRQA_N/GPIO108
AC20
PCMCD_N/GPIO133
Y18
PCMWAIT_N/GPIO103
Y21
PCM_RESET/GPIO132
Y22
PCM2_CE_N/GPIO134
U21
PCM2_IRQA_N/GPIO135
V21
PCM2_CD_N/GPIO138
R20
PCM2_WAIT_N/GPIO136
T20
PCM2_RESET/GPIO137
U22
UART1_TX/GPIO46
D4
UART1_RX/GPIO47
E4
UART2_TX/GPIO68
N25
UART2_RX/GPIO67
N24
UART3_TX/GPIO50
B8
UART3_RX/GPIO51
A8
I2C_SCKM2/DDCR_CK/GPIO75
P23
I2C_SDAM2/DDCR_DA/GPIO74
P24
DDCA_DA/UART0_TX
D2
DDCA_CK/UART0_RX
D1
PWM0/GPIO69
P21
PWM1/GPIO70
N23
PWM2/GPIO71
P22
PWM3/GPIO72
R21
PWM4/GPIO73
P20
PWM_PM/GPIO197
F6
SAR0/GPIO34
H6
SAR1/GPIO35
G5
SAR2/GPIO36
G4
SAR3/GPIO37
J5
SAR4/GPIO38
J4
VSYNC_LIKE/GPIO146
R23
SPI1_CK/GPIO199
R24
SPI1_DI/GPIO200
R25
SPI2_CK/GPIO201
T21
SPI2_DI/GPIO202
T22
NF_CE1Z/GPIO141
AE18
NF_WPZ/GPIO196
AC17
NF_CEZ/GPIO140
AD18
NF_CLE/GPIO139
AC18
NF_REZ/GPIO142
AC19
NF_WEZ/GPIO143
AD17
NF_ALE/GPIO144
AE17
NF_RBZ/GPIO145
AD19
GPIO_PM[0]/GPIO6
H5
PM_UART_TX/GPIO_PM[1]/GPIO7
K6
GPIO_PM[2]/GPIO8
K5
GPIO_PM[3]/GPIO9
J6
GPIO_PM[4]/GPIO10
K4
PM_UART_RX/GPIO_PM[5]/GPIO11
L6
PM_SPI_SCZ1/GPIO_PM[6]/GPIO12
C2
GPIO_PM[7]/GPIO13
L5
GPIO_PM[8]/GPIO14
M6
GPIO_PM[9]/GPIO15
M5
PM_SPI_SCZ2/GPIO_PM[10]/GPIO16
C1
GPIO_PM[11]/GPIO17
M4
PM_SPI_SCK/GPIO1
A2
PM_SPI_CZ0/GPIO_PM[12]/GPIO0
D3
PM_SPI_SDI/GPIO2
B2
PM_SPI_SDO/GPIO3
B1
TS0CLK/GPIO90
Y14
TS0VALID/GPIO88
AA10
TS0SYNC/GPIO89
Y12
TS0DATA_[0]/GPIO80
Y13
TS0DATA_[1]/GPIO81
Y11
TS0DATA_[2]/GPIO82
AA12
TS0DATA_[3]/GPIO83
AB12
TS0DATA_[4]/GPIO84
AA14
TS0DATA_[5]/GPIO85
AB14
TS0DATA_[6]/GPIO86
AA13
TS0DATA_[7]/GPIO87
AB11
TS1CLK/GPIO101
AC15
TS1VALID/GPI99
AD15
TS1SYNC/GPIO100
AC16
TS1DATA_[0]/GPIO91
AD16
TS1DATA_[1]/GPIO92
AE15
TS1DATA_[2]/GPIO93
AE14
TS1DATA_[3]/GPIO94
AC13
TS1DATA_[4]/GPIO95
AC14
TS1DATA_[5]/GPIO96
AD12
TS1DATA_[6]/GPIO97
AD13
TS1DATA_[7]/GPIO98
AD14
IC101
MSD804KKX
S7LR-M_NON_MS10
GPIO39
C7
GPIO40
E6
GPIO41
F5
GPIO42
B6
GPIO43
E5
GPIO44
D5
GPIO45
B7
GPIO48
E7
GPIO49
F7
GPIO52
AB5
GPIO53
AB3
GPIO54
A9
GPIO55
F4
I2C_SCKM0/GPIO56
AB1
I2C_SDAM0/GPIO57
N6
GPIO76
AB2
GPIO77
AC2
LVA0P
AB25
LVA0N
AB23
LVA1P
AC25
LVA1N
AB24
LVA2P
AD25
LVA2N
AC24
LVA3P
AE23
LVA3N
AC23
LVA4P
AC22
LVA4N
AD23
LVB0P
V23
LVB0N
U24
LVB1P
V25
LVB1N
V24
LVB2P
W25
LVB2N
W23
LVB3P
AA23
LVB3N
Y24
LVB4P
AA25
LVB4N
AA24
LVACLKP
AE24
LVACLKN
AD24
LVBCLKP
Y23
LVBCLKN
W24
GPIO194
T25
GPIO191
U23
GPIO192
T24
GPIO193
T23
/MHL_OCP_DET
C102 10uF
CAP_10uF_X5R
10V
85C
IC102-*2
TC58NVG0S3ETA0BBBH
NAND_FLASH_1G_THOSIBA
EAN61508001
26
NC_17
27
NC_18
28
NC_19
29
I/O1
30
I/O2
31
I/O3
32
I/O4
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
NC_23
39
NC_24
40
NC_25
41
I/O5
42
I/O6
43
I/O7
44
I/O8
45
NC_26
46
NC_27
47
NC_28
48
NC_29
17
ALE
3
NC_3
6
NC_6
16
CLE
15
NC_10
14
NC_9
13
VSS_1
12
VCC_1
11
NC_8
10
NC_7
9
CE
8
RE
7
RY/BY
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
WE
MHL_OCP_EN
IC101-*1
LGE2121-MS (M1_L13_MS10)
S7LR-M_MS10
GPIO39
C7
GPIO40
E6
GPIO41
F5
GPIO42
B6
GPIO43
E5
GPIO44
D5
GPIO45
B7
GPIO48
E7
GPIO49
F7
GPIO52
AB5
GPIO53
AB3
GPIO54
A9
GPIO55
F4
I2C_SCKM0/GPIO56
AB1
I2C_SDAM0/GPIO57
N6
GPIO76
AB2
GPIO77
AC2
LVA0P
AB25
LVA0N
AB23
LVA1P
AC25
LVA1N
AB24
LVA2P
AD25
LVA2N
AC24
LVA3P
AE23
LVA3N
AC23
LVA4P
AC22
LVA4N
AD23
LVB0P
V23
LVB0N
U24
LVB1P
V25
LVB1N
V24
LVB2P
W25
LVB2N
W23
LVB3P
AA23
LVB3N
Y24
LVB4P
AA25
LVB4N
AA24
LVACLKP
AE24
LVACLKN
AD24
LVBCLKP
Y23
LVBCLKN
W24
GPIO194
T25
GPIO191
U23
GPIO192
T24
GPIO193
T23
NAND_EN
R181
10K
FRC_RESETFRC_RESET
from CI SLOT
DIMMING
for SYSTEM EEPROM
(IC104)
for SERIAL FLASH
A0’h
PM MODEL OPTION
<CHIP Config(LED_R/BUZZ)>
Boot from SPI CS1N(EXT_FLASH) 1’b0
Boot from SPI_CS0N(INT_FLASH) 1’b1
NAND FLASH MEMORY
EEPROM
Internal demod out
<CHIP Config>
(I2S_OUT_BCK,I2S_OUT_MCK,PAD_PWM1PAD_PWM0)
I2C
B51_no_EJ : 4’b0000 Boot from 8051 with SPI flash
SB51_WOS : 4’b0001 Secure B51 without scramble
SB51_WS : 4’b0010 Secure B51 with scramble
MIPS_SPE_NO_EJ : 4’b0100 Boot from MIPS with SPI flash
MIPS_SPI_EJ_1 : 4’b0101 Boot from MIPS with SPI flash
MIPS_SPI_EJ_2 : 4’b0110 Boot from MIPS with SPI flash
MIPS_WOS : 4’b1001 Secure MIPS without scramble
MIPS_WS : 4’b1010 Scerur MIPS with SCRAMBLE
SYM.A
SYM.D
CHANGE TO
10UF 10V X5R
PM_MODEL_OPT_0
HIGH : HD_NON_EU
LOW : HD_EU
HD_LVDS_pattern is different.
Between EU and NON_EU
PM_MODEL_OPT_1
HIGH : TAIWAN
LOW : EU, AJ
NC : Other
for 1 Binary
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
2012/07/05
MAIN2_EU_OS 2
NC4_S7LRM
L205 HEAD_PHONE5.6uH
AVDD_AU33
MODEL_OPT_5
SCART1_Lout
C251 0.1uF
F_NIM/CHINA
C250 0.1uF
F_NIM/CHINA
MIUVDDC
AVDD2P5_MOD
IF_AGC_MAIN
C224 1000pF
HDMI_ARC
D2+_HDMI4
HP_LOUT
C287
100pF
OPT
L211
BLM18PG121SN1D
C212 0.047uF
EU
CK-_HDMI4
C286
0.1uF
ESD_0.1uF
VDD33
L229
BLM18PG121SN1D
AUD_MASTER_CLK_0
COMP2_Y+/AV_CVBS_IN
C273
0.1uF
C266
0.1uF
HP_ROUT
R200
62K
R211 1K
MODEL_OPT_PHM(O)
C219 0.047uF
R257 33
EU
C231 1uF
HDMI1_ARC
+3.5V_ST
R220
10K
NON_DVB_T2
EPHY_RP
COMP2_Y+/AV_CVBS_IN
COMP2_L_IN
C216
0.047uF
EU
R210 0
HDMI1_ARC
SOC_RESET
AVDD_AU33
SC1/COMP1_R_IN
VDD33
SIDE_USB1_DP
TU_SCL
R212 1K
MODEL_OPT_PHM(X)
R222 1K
MODEL_OPT_DVB_S(O)
C252
0.1uF
ESD_0.1uF
R246 33
R240
68
HPD4
C226 0.047uF
EU
L227
BLM18PG121SN1D
NON_DVB_T2
MODEL_OPT_1
C264
1000pF
OPT
50V
COMP2_R_IN
X201
24MHz
R216 47
F_NIM/CHINA
CEC_REMOTE_S7
C259 0.1uF
C285
0.047uF
25V
NON_DVB_T2
C257 0.1uF
NON_DVB_T2
MIUVDDC
C282
0.1uF
NON_DVB_T2
R214 22 DVB_S
COMP2_DET
R208 1K
MODEL_OPT_DVB_T2(O)
C214
0.047uF
EU
EPHY_TP
R244 33
F_NIM/CHINA
C258 0.1uF
NON_DVB_T2
CK+_HDMI4
R221 1K
MODEL_OPT_MIU0_2G
L206
BLM18PG121SN1D
L228
BLM18PG121SN1D
C245 0.1uF
R288 100
NON_DVB_T2
C263
10uF
DTV/MNT_VOUT
C283 0.1uF
C209 0.1uF
C248
0.1uF
COMP2_Pb+
R254 68
EU
D1-_HDMI4
SW200
JTP-1127WEM
SWICH
1 2
43
C218 0.047uF
AUD_LRCK
C291
0.1uF
16V
+1.10V_VDDC
SCART1_Rout
C222 0.047uF
AUD_LRCH
R255
33
EU
C221 0.047uF
R256
68
EU
R294 1K
MODEL_OPT_MIU1_NO_DDR
+1.5V_DDR
L209
BLM18PG121SN1D
R239
33
C207
0.1uF
POWER_DET_RESET
CI_DET
DEMOD_SCL
L203 HEAD_PHONE5.6uH
+3.5V_ST
C203
1000pF
OPT
50V
DEMOD_SDA
AVDD_NODIE
C235 0.1uF
C227 0.047uF
TU_SDA
R205
100
SWICH
R291 1K
MODEL_OPT_MIU1_1G
PM_MODEL_OPT_1
R213 22 DVB_S
D1+_HDMI4
C213
0.047uF
EU
R223 1K
MODEL_OPT_MIU0_1G
C243 2.2uF
DDC_SDA_4
SC1_ID
D0-_HDMI4
R266
470
RESET_IC_SOC_RESET
C256
0.1uF
AVDD_NODIE
L202
BLM18SG121TN1D
R219
0
NON_DVB_T2
MODEL_OPT_7
+1.10V_VDDC
C255
0.1uF
R290 1K
MODEL_OPT_DUAL
TU_CVBS
IF_N_MSTAR
+3.3V_Normal
C217 1000pF
EU
AVDD_MIU
R242 68
SC1_R+/COMP1_Pr+
MODEL_OPT_4
DDC_SCL_4
+1.10V_VDDC
C242 2.2uF
R293 1K
MODEL_OPT_NON_DUAL
SC1_B+/COMP1_Pb+
EPHY_TN
+3.3V_Normal
C225 0.047uF
F_NIM/CHINA
R227 1K
MODEL_OPT_FHD
+3.3V_Normal
C220 0.047uF
R236 0
OPT
L208
BLM18PG121SN1D
R209 1K
MODEL_OPT_DVB_T2(X)
+2.5V_Normal
SC1_CVBS_IN
D0+_HDMI4
C240
0.1uF
C274
0.1uF
R206 1K
MODEL_OPT_M120
D2-_HDMI4
FB_CORE
SOC_RESET
MODEL_OPT_2
R226 1K
MODEL_OPT_HD
MODEL_OPT_6
C223 0.047uF
R296 100
SPDIF_OPTIC
C268
4.7uF
10V
HEAD_PHONE
AVDD2P5_MOD
C272
4.7uF
10V
HEAD_PHONE
R218 47
F_NIM/CHINA
+1.10V_VDDC
C211 0.047uF
EU
L204
BLM18PG121SN1D
SIDE_USB1_DM
AMP_SDA
AMP_SCL
C253
1uF
SC1_FB
AVDD_MIU
R287
1M
TU_SIF
COMP2_Pr+
SC1_G+/COMP1_Y+
R252 68
R258 68
EU
C249
4.7uF
R237 33
AVDD2P5
+3.3V_Normal
EPHY_RN
MODEL_OPT_0
C241
0.1uF
VDD33
TP209
IR
C233 0.047uF
MODEL_OPT_3
R245 33
EU
R289 100
NON_DVB_T2
SC1/COMP1_L_IN
R238 68
R241 33
R224 1K
MODEL_OPT_DVB_S(X)
AUD_SCK
R207 1K
MODEL_OPT_NON_M120
R253 33
EU
AVDD2P5
C215
0.047uF
EU
C201
0.1uF
16V
IF_P_MSTAR
SPDIF_OUT
FB_CORE
R297 0OPT
C279
0.1uF
+2.5V_Normal
SC1_SOG_IN
C236 2.2uF
EU
C237
2.2uF
EU
HPD2
CK-_HDMI2
D1-_HDMI2
D0+_HDMI2
DDC_SCL_2
D1+_HDMI2
D0-_HDMI2
D2+_HDMI2
DDC_SDA_2
CK+_HDMI2
D2-_HDMI2
AVDD5V_MHL
/VBUS_EN
C284-*1
10uF 10V
CAP_10uF_X7R
C204-*1
10uF 10V
CAP_10uF_X7R
C269-*1
10uF 10V
CAP_10uF_X7R
C261 27pF
C262 27pF
LNA2_CTL
RF_SWITCH_CTL
IF_AGC_SEL
IC101
MSD804KKX
S7LR-M_NON_MS10
RXACKP
J2
RXACKN
J3
RXA0P
K3
RXA0N
J1
RXA1P
K2
RXA1N
K1
RXA2P
L2
RXA2N
L3
DDCDA_DA/GPIO27
T5
DDCDA_CK/GPIO26
T4
HOTPLUGA/GPIO22
V5
HOTPLUGD/GPIO25
R5
RXCCKP
AE9
RXCCKN
AC9
RXC0P
AC10
RXC0N
AD9
RXC1P
AC11
RXC1N
AD10
RXC2P
AE11
RXC2N
AD11
DDCDC_DA/GPIO31
AE8
DDCDC_CK/GPIO30
AD8
HOTPLUGC/GPIO24
AC8
RXBCKP
F2
RXBCKN
F3
RXB0P
G3
RXB0N
F1
RXB1P
G2
RXB1N
G1
RXB2P
H2
RXB2N
H3
DDCDB_DA/GPIO29
R6
DDCDB_CK/GPIO28
U6
HOTPLUGB/GPIO23
P5
CEC/GPIO5
R4
HSYNC0
P2
VSYNC0
R3
RIN0P
N2
RIN0M
P3
GIN0P
N3
GIN0M
N1
BIN0P
M3
BIN0M
M2
SOGIN0
M1
HSYNC1
V2
VSYNC1
V3
RIN1P
U3
RIN1M
U2
GIN1P
T1
GIN1M
T2
BIN1P
R2
BIN1M
R1
SOGIN1
T3
HSYNC2
AA2
RIN2P
Y2
RIN2M
AA3
GIN2P
W2
GIN2M
Y3
BIN2P
V1
BIN2M
W3
SOGIN2
W1
CVBS0
AA8
CVBS1
Y4
CVBS2
W4
CVBS3
AA5
NC_5
Y5
NC_7
AA4
NC_6
Y6
CVBSOUT1
AA1
VCOM
AB4
NC_8
AC4
NC_9
AD3
IP
AC3
IM
AE3
SIFP
AD4
SIFM
AC5
IF_AGC
AD2
RF_AGC
AE2
I2C_SCKM1/GPIO78
AE6
I2C_SDAM1/GPIO79
AD6
XIN
AD1
XOUT
AC1
SPDIF_IN/GPIO150
D7
SPDIF_OUT/GPIO151
D6
USB0_DM
E3
USB0_DP
E2
USB1_DM
AC12
USB1_DP
AE12
I2S_IN_BCK/GPIO148
C8
I2S_IN_SD/GPIO149
D8
I2S_IN_WS/GPIO147
D9
I2S_OUT_BCK/GPIO154
B10
I2S_OUT_MCK/GPIO152
C9
I2S_OUT_SD/GPIO155
B9
I2S_OUT_WS/GPIO153
C10
AUL0
AB9
AUR0
AA11
AUL1
Y9
AUR1
AA9
AUL2
AA7
AUR2
AB8
AUL3
Y8
AUR3
Y10
AUL4
AC7
AUR4
AD7
GPIO_PM[13]/GPIO19
W6
AUOUTL2
V6
AVDD5V_MHL
V4
GPIO_PM[14]/GPIO20
Y7
AUOUTR2
W5
GPIO_PM[15]/GPIO21
U5
AUVRM
AD5
AUVAG
AE5
AUVRP
AC6
EARPHONE_OUTL
AA6
EARPHONE_OUTR
AB6
RP/GPIO63
C6
TP/GPIO60
C5
RN/GPIO66
A6
LED1/GPIO59
C4
TN/GPIO62
B5
GPIO61
C3
GPIO64
A3
GPIO65
B3
LED0/GPIO58
B4
IRIN/GPIO4
N4
ARC0
T6
HWRESET
N5
IC101
MSD804KKX
S7LR-M_NON_MS10
AVDDLV_USB
K12
VDDC_1
G9
VDDC_2
H9
VDDC_3
K10
VDDC_4
K11
VDDC_5
L10
VDDC_6
M12
VDDC_7
M13
VDDC_8
N12
VDDC_9
P14
VDDC_10
P15
VDDC_11
R10
VDDC_12
R14
VDDC_13
R15
VDDC_14
T10
NC_2
P10
FB_CORE
P19
AVDDL_MOD
R16
NC_1
L11
DVDD_DDR
M14
AVDD2P5_ADC_1
W9
AVDD2P5_ADC_2
W10
AVDD2P5_ADC_3
W11
AVDD2P5_ADC_4
W12
AVDD25_LAN
Y17
AVDD_MOD_1
V18
AVDD_MOD_2
U19
NC_3
W14
NC_4
W15
AVDD_NODIE
U7
AVDD_DVI_USB_1
L7
AVDD_DVI_USB_2
M7
AVDD3P3_MPLL
P7
AVDD_DMPLL
R7
DVDD_NODIE
M19
AVDD_AU33
V7
AVDD_EAR33
W7
VDDP_1
R19
VDDP_2
T19
AVDD_LPLL_1
W18
AVDD_LPLL_2
W19
VDDP_NAND
V19
AVDD_DDR0_D_1
J17
AVDD_DDR0_D_2
K15
AVDD_DDR0_D_3
K16
AVDD_DDR0_C
L15
AVDD_DDR1_D_1
K17
AVDD_DDR1_D_2
L17
AVDD_DDR1_D_3
M17
AVDD_DDR1_C
L16
GND_EFUSE
E9
GND_1
A23
GND_2
B17
GND_3
C23
GND_4
A5
GND_5
C11
GND_6
C19
GND_7
C22
GND_8
D14
GND_9
D18
GND_10
D19
GND_11
E17
GND_12
E18
GND_13
E19
GND_14
E22
GND_15
F8
GND_16
F17
GND_17
F18
GND_18
F19
GND_19
G8
GND_20
H8
GND_21
N22
GND_22
N21
GND_23
N20
GND_24
M22
GND_25
M21
GND_26
M20
GND_27
F10
GND_28
V15
GND_29
W16
GND_30
V8
GND_31
T18
GND_32
G10
GND_33
G11
GND_34
G12
GND_35
G13
GND_36
G14
GND_37
G17
GND_38
G18
GND_39
G19
GND_40
G24
GND_41
H11
GND_42
H12
GND_43
H13
GND_44
H14
GND_45
H15
GND_46
H16
GND_47
H17
GND_48
H18
GND_49
H19
GND_50
J9
GND_51
J10
GND_52
J11
GND_53
J12
GND_54
J13
GND_55
J14
GND_56
J15
GND_57
J16
GND_58
J18
GND_59
J19
GND_60
J25
GND_61
K9
GND_62
K13
GND_63
K14
GND_64
H10
GND_65
K18
GND_66
K19
GND_67
K22
GND_68
L8
GND_69
L9
GND_70
J8
GND_71
L12
GND_72
L13
GND_73
L18
GND_74
L19
GND_75
M8
GND_76
K8
GND_77
M10
GND_78
M11
GND_79
L14
GND_80
M15
GND_81
M16
GND_82
M18
GND_83
M25
GND_84
N10
GND_85
N11
GND_86
N13
GND_87
N14
GND_88
N15
GND_89
N16
GND_90
N17
GND_91
N19
GND_92
K7
GND_93
P8
GND_94
P9
GND_95
M9
GND_96
P11
GND_97
P13
GND_98
P16
GND_99
P17
GND_100
P18
GND_101
P12
GND_102
R8
GND_103
R9
GND_104
R11
GND_105
R12
GND_106
R13
GND_107
R17
GND_108
T8
GND_109
T9
GND_110
N7
GND_111
T11
GND_112
T12
GND_113
T13
GND_114
T14
GND_115
T15
GND_116
T16
GND_117
T17
GND_118
U8
GND_119
U9
GND_120
U10
GND_121
U11
GND_122
U12
GND_123
U13
GND_124
U14
GND_125
U15
GND_126
U16
GND_127
U17
GND_128
R18
GND_129
V9
GND_130
V10
GND_131
V11
GND_132
V12
GND_133
V14
GND_134
V17
GND_135
T7
GND_136
E8
10uF
10V
C284
CAP_10uF_X5R
85C
10uF
10V
C204
CAP_10uF_X5R
85C
R217
0
MHL_CD_SENSE
RF_SWITCH_CTL
R203 100
RF_SW_OPT
L207
BLM18PG121SN1D
AVDD_DMPLL
AVDD_DMPLL
C289
33pF
NON_DVB_T2
C288
33pF
NON_DVB_T2
C205
0.1uF
ESD_0.1uF
10uFC269
CAP_10uF_X5R
POWER_ON/OFF_2
URSA_SDA
URSA_SCL
POWER_ON/OFF_2
URSA_SCL
URSA_SDA
R231 2.2
R232 2.2
C202
4.7uF
10V
RESET_IC_SOC_RESET
C200
4.7uF
10V
+3.5V_SOC_RESET
C254
1uF
10uF
10V
C278
C260
1uF
C277 1uF
C280 1uF
10uF
10V
C275
10uF
10V
C228
10uF
10V
C296
C205-*1
1uF
10V
ESD_1uF
C252-*1
1uF
10V
ESD_1uF
C286-*1
1uF
10V
ESD_1uF
MODEL OPTION
AUDIO OUT
DTV_ATV_IF
Close to MSTAR
SCART1_RGB/COMP1
AVDD_DDR1:55mA
H/P OUT
VDDC 1.05V
SIDE USB
DDR3 1.5V
SOC_RESET
I2S_I/F
TUNER_I2C
HDMI
AVDD25_PGA:13mA
AVDD2P5:172mA
AUDIO IN
CVBS In/OUT
ANALOG SIF
Close to MSTAR
COMP2
Close to MSTAR
VDDC : 2026mA
Normal 2.5V
AVDD_DDR0:55mA
STby 3.5V
Normal Power 3.3V
Close to MSTAR
*H/W opt :
EU
SYM.C
SYM.E
AVDD25_PGA
AVSS_PGA
Memory
MODEL_OPT_4 MODEL_OPT_6
PIN NO.
Memory OPTION
U23 B8
128M
128M+128M
256M+128M
256M
PIN NO.
0 0
0
0
1
1
1 1
Note
Ginga
CHANGE TO X5R
CHANGE TO
10UF 10V X5R
CHANGE TO
10UF 10V X5R
CHANGE TO
10UF 10V X5R
MODEL_OPT_5
PIN NAME
HD
HIGH
NON_DVB_T2
F4
DVB_T2
NON_DVB_S
PHM_OFF
MIU1-128M
MODEL OPTION
* Dual Stream is only Korea 3D spec
MODEL_OPT_7
LOW
T25
MIU0-128M MIU0-256M
A8
PIN NO.
NON_DUAL_STREAM
PHM_ON
MODEL_OPT_0
MODEL_OPT_2
U23
T24
AB3
B8
AB2
MODEL_OPT_6
MIU1-NO_DDR
DVB_S
MODEL_OPT_3
MODEL_OPT_4
NON_M120
FHD
MODEL_OPT_1
DUAL_STREAM
M120
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
THERMAL
THERMAL
THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Power_PD2
2012/09/19
4
NC4_S7LRM
R403
1.5K
1%
PD_+24V
Q407
MMBT3904(NXP)
E
B
C
R491
0
C448
3300pF
50V
IC407
AP7173-SPG-13 HF(DIODES)
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
+12V
C422
0.1uF
16V
OPT
R441
75K
1/16W
1%
R426
10K
+3.5V_ST
C424
330pF
50V
IC403
TPS54319TRE
1
VIN_1
3
GND_1
7
COMP
9
SS/TR
10
PH_1
11
PH_2
12
PH_3
13
BOOT
14
PWRGD
15
EN
16
VIN_3
5
AGND
8
RT/CLK
6
VSENSE
4
GND_2
2
VIN_2
17
EP[GND]
Q403
AO3435
FET_2.5V_AOS
G
D
S
+3.3V_Normal
PANEL_VCC
Q409
AO3407A
G
D
S
R402
300
RESET_IC_SOC_RESET
L413
CIC21J501NE
PWM_DIM
Q401
MMBT3904(NXP)
E
B
C
R419
1K
C406 0.1uF
16V
R457
4.3K
1/16W
1%
R412 3.9K
PWM_DIM_PULL_DOWN
R417
4.7K
OPT
+1.5V_DDR
R432
330K1/16W 5%
R462
10K
L404
CIC21J501NE
R430
10K
P401
SMAW200-H18S1
14
12V
9
24V
4
PDIM#1
18
GND
13
12V
8
GND
3
3.5V
17
GND
12
GND
7
GND
2
DRV ON
16
N.C
11
GND
6
PDIM#2
1
PWR ON
15
12V
10
24V
5
3.5V
19
.
+24V
C440
0.1uF
16V
Q400
MMBT3904(NXP)
E
B
C
C417-*1
10uF 10V
CAP_10uF_X7R
R489
10K
+3.5V_ST
R439
33K
R453
27K
1%
R445
2.2K
IC409
NCP803SN293
PD_+24V_PWR_DET_ON_SEMI
1
GND
3
VCC
2
RESET
C412
0.1uF
16V
PD_+24V
C447
0.33uF
16V
R443
10K
+12V
INV_CTL
L408
CIC21J501NE
R448
2.7K
1%
PD_+12V
+3.5V_ST
R461
10K
OPT
R440
5.6K
+3.5V_ST
R421
10K
R488
100K
Q405
MMBT3904(NXP)
E
B
C
L412
CIS21J121
120
C403-*1
10uF 10V
CAP_10uF_X7R
R428
10K
C411
0.1uF
16V
C426
100pF
50V
OPT
R410
100K
C441
0.1uF
16V
C413
0.047uF
25V
L403
BLM18PG121SN1D
C444
0.1uF
16V
+3.3V_Normal
+3.3V_Normal
Q403-*1
DMP2130L
FET_2.5V_DIODE
G
D
S
IC408
NCP803SN293
PWR_DET_ON_SEMI
1
GND
3
VCC
2
RESET
R450
0
5%
PD_+3.5V
R447
1.2K
1%
PD_+12V
560pF
C467
50V
L402
MLB-201209-0120P-N2
R414
10K
+12V
+5V_Normal
POWER_ON/OFF_1
C418 0.1uF
50V
+1.10V_VDDC
POWER_DET
RL_ON
C420
22uF
16V
R413
20K
IC408-*1
APX803D29
PWR_DET_ON_DIODES
1
GND
3
VCC
2
RESET
+3.3V_Normal
+12V
R480
100
PD_+24V
R454
11K 1%
R456
4.7K
1/16W
1%
+24V
+3.5V_ST
L407
MLB-201209-0120P-N2
+3.5V_ST
+3.3V_Normal
USB1_CTL
R438
22K
R433
10K
R436
15K
+3.5V_ST
C425
0.1uF
16V
R408 100
PWM2_2CH_POWER
PANEL_CTL
001:AL22
+5V_USB
R434
10K
R409
2K
R416
10K
R415
100
+3.5V_ST
POWER_DET_RESET
USB1_OCD
R463
10K
RESET_IC_SOC_RESET
+3.3V_Normal
L401
CIC21J501NE
L420
BLM18PG121SN1D
R482
8.2K
1%
PD_+24V
+5V_Normal
C404 0.1uF
16V
C438
0.1uF
25V
OPT
+2.5V_Normal
C474
0.1uF
R404
100K
PD_+24V
R405
5.6K
C419
4.7uF 10V
C488
3300pF
R442
30K
1/16W
1%
R406
4.7K
C405
10uF
16V
+3.5V_ST
C410
3300pF
50V
C439
100pF
50V
R401
10K
IC409-*1
APX803D29
PD_+24V_PWR_DET_DIODES
1
GND
3
VCC
2
RESET
R407
5.6K
R411
33K
OPT
Q402
MMBT3906(NXP)
1
2
3
C421
22uF
16V
OPT
R452
33K
1%
C476
0.1uF
16V
PWM1
L406
3.6uH
L415
3.6uH
C403
10uF
10V
CAP_10uF_X5R
85C
C417
10uF
10V
CAP_10uF_X5R
85C
R402-*1
100
+3.5V_SOC_RESET
IC401
TPS65281RGV
3
ROSC
2
COMP
4
RLIM
1
SS
5
EN_SW
6
FAULT
7
AGND
8
SW_OUT
9
SW_IN
10
FB
11
LX
12
BST
13
PGND
14
VIN
15
V7V
16
EN
17
[EP]
IC402
TJ1118S-2.5
1
GND
2
OUT
3
IN
C437
22uF
10V
C430
10uF
10V
10uF
C461
10V
C423
2.2uF
10V
C453
22uF
10V
C456
22uF
10V
C443
10uF
16V
C472
22uF
10V
D404
5V
OPT
D402
5V
OPT
D403
5V
OPT
D401 5V
OPT
D405
5V
PANEL_POWER
+2.5V_Normal
S7LR core 1.15V volt
3A
CHANGE TO
16V/X5R
R1
+3.5V_ST --> 3.375V --> 3.46V
CHANGE TO
10UF/10V/X5R
+3.3V_Normal
CHANGE TO
10UF/10V/X5R
Vout=0.8*(1+R1/R2)=1.5319
+5V_Normal
&
+5V_USB
+1.5V_DDR
R2
Vout=0.827*(1+R1/R2)
R2
Power_DET
R1
R1
+24V --> 3.78V --> 3.92V (3.79V)
Vout=0.8*(1+R1/R2)
R2
FROM LIPS & POWER B/D
+12V --> 3.58V --> 3.82V (3.68V)
1.5A
L13 POWER BLOCK (POWER DETECT 2)
*For 55LN54 Power ON Noise
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
IR/CONTROL
2012/07/18
6
NC4_S7LRM
C607
0.1uF
16V
OPT
R601
100
+3.5V_ST
L600
BLM18PG121SN1D
KEY2
R602
10K
1%
IR
R600
100
C604
100pF
50V
+3.5V_ST
C603
1000pF
50V
R603
10K
1%
C602
0.1uF
16V
KEY1
+3.5V_ST
R607
3.3K
LED_R/BUZZ
P600
12507WR-08L
1
2
3
4
5
6
7
8
9
R610
1.8K
L601
BLM18PG121SN1D
CONTROL_FILTER
L602
BLM18PG121SN1D
CONTROL_FILTER
C608
0.1uF
16V
CONTROL_FILTER
C609
0.1uF
16V
CONTROL_FILTER
R611
0
CONTROL_NO_FILTER
R612
0
CONTROL_NO_FILTER
IR/LED and Control
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
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