LG 19LV2500 User manual

LED LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : LA01R
MODEL : 19LV2500 19LV2500-UG
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
Internal Use Only
Printed in KoreaP/NO : MFL67234002 (1110-REV00)

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CONTENTS
CONTENTS .............................................................................................. 2
SAFETY PRECAUTIONS ......................................................................... 3
SPECIFICATION....................................................................................... 6
ADJUSTMENT INSTRUCTION .............................................................. 10
EXPLODED VIEW .................................................................................. 17
SVC. SHEET ...............................................................................................

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SAFETY PRECAUTIONS
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 the circuitry 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 1W), keep the resistor 10mm 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 1MΩand 5.2MΩ.
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 1.5K/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 is corresponds to
0.5mA.
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
1.5 Kohm/10W
To Instrument's
exposed
METALLIC PARTS
Good Earth Ground
such as WATER PIPE,
CONDUIT etc.
AC Volt-meter
IMPORTANT SAFETY NOTICE
0.15uF

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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 conflict between the
following servicing precautions and any of the safety precautions on
page 3 of this publication, always follow the safety precautions.
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
explosion 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 specified 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 flammable mixture.
Unless specified 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 fixtures specified in this
service manual.
CAUTION: Do not connect the test fixture ground strap to any
heat sink in this receiver.
Electrostatically Sensitive (ES) Devices
Some semiconductor (solid-state) devices can be damaged easily
by static electricity. Such components commonly are called
Electrostatically Sensitive (ES) Devices. Examples of typical ES
devices are integrated circuits and some field-effect transistors and
semiconductor "chip" components. The following techniques
should be used to help reduce the incidence of component
damage 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.
Alternatively, obtain and wear a commercially available
discharging 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
exposure 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 solder
removal devices not classified as "anti-static" can generate
electrical charges sufficient to damage ES devices.
5. Do not use freon-propelled chemicals. These can generate
electrical charges sufficient 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
electrically 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 material
to the chassis or circuit assembly into which the device will be
installed.
CAUTION: Be sure no power is applied to the chassis or circuit,
and observe all other safety precautions.
8. Minimize bodily motions when handling unpackaged
replacement ES devices. (Otherwise harmless motion such as
the brushing together of your clothes fabric or the lifting of your
foot from a carpeted floor can generate static electricity
sufficient to damage an ES device.)
General Soldering Guidelines
1. Use a grounded-tip, low-wattage soldering iron and appropriate
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 1.25cm) 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 flows onto and around both the
component 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.
SERVICING PRECAUTIONS

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IC Remove/Replacement
Some chassis circuit boards have slotted holes (oblong) through
which the IC leads are inserted and then bent flat against the
circuit 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 remaining
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
possible 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 whenever
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
connections).
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
connected 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.

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1. Application range
This spec sheet is applied LED LCD TV with 19”, 22” LA01R
chassis.
2. Requirement for Test
Each part is tested as below without special appointment.
1) Temperature: 25 ºC ± 5 ºC
2) Relative Humidity: 65 ± 10 %
3) Power Voltage : Standard input voltage(100-240V~, 50/60Hz)
* Standard Voltage of each product is marked by models
4) Specification and performance of each parts are followed
each drawing and specification by part 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 : UL, CSA, IEC specification
- EMC: FCC, ICES, IEC specification
- 6 -
SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement.
4. General Specification(TV)
No Item Specification Remark
1 Receivable System 1) ATSC / NTSC-M
2 Available Channel 1) VHF : 02 ~ 13
2) UHF : 14 ~ 69
3) DTV : 02 ~ 69
4) CATV : 01 ~ 135
5) CADTV : 01 ~ 135
3 Input Voltage 1) AC 100 - 240V~ 50/60Hz Mark : 110V, 60Hz
4 Market North America
5 Screen Size 19 inch Wide (1366x768) HD + 60Hz 19LV2500-UA/19LV2520-UC(AUO)
22 inch Wide (1366x768) HD + 60Hz 22LV2500-UA/22LV2520-UC(AUO)
6 Aspect Ratio 16:9
7 Tuning System FS
8 LCD Module M185XW01-VD AUO 19LV2500-UA/19LV2520-UC
M215HW01-VB AUO 22LV2500-UA/22LV2520-UC
9 Operating Environment Temp : 0 ~ 40 deg
Humidity : ~ 80 %
10 Storage Environment Temp : -20 ~ 60 deg
Humidity : -85 %

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5. Chrominance & Luminance
No. Item Min Typ Max Unit Remarks
1 Max Luminance 240 300 cd/m222LV2500-UG(AUO)
(Center 1-point / Full White Pattern) 200 250 19LV2500-UG(AUO)
2 Luminance uniformity
3 Color coordinate RED X Typ. 0.635 Typ. 22LV2500-UG(AUO)
(Default) Y -0.03 0.349 +0.03
GREEN X 0.332
Y 0.619
BLUE X 0.155
Y 0.055
WHITE X 0.313
Y 0.329
RED X Typ. 0.634 Typ. 19LV2500-UG(AUO)
Y -0.03 0.351 +0.03
GREEN X 0.334
Y 0.605
BLUE X 0.146
Y 0.059
WHITE X 0.313
Y 0.329
4 Contrast ratio Module 700 1000 22LV2500-UG(AUO)
600 1000 19LV2500-UG(AUO)
DCR 800,000:1 1,000,000:1 Global Dimming
5 Color Temperature Cool 0.283 0.285 0.287
9300K The W/B Tolerance is ±0.015
0.291 0.293 0.295
for picture quality by DQA
Medium 0.293 0.295 0.297 8000K
0.303 0.305 0.307
Warm 0.311 0.313 0.315
6500K
0.327 0.329 0.331

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6. Component Video Input (Y, CB/PB, CR/PR)
No Resolution H-freq(kHz) V-freq.(kHz) Pixel clock Proposed
1. 720*480 15.73 60 13.5135 SDTV ,DVD 480I
2. 720*480 15.73 59.94 13.5 SDTV ,DVD 480I
3. 720*480 31.50 60 27.027 SDTV 480P
4. 720*480 31.47 59.94 27.0 SDTV 480P
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 33.75 60.00 74.25 HDTV 1080I
8. 1920*1080 33.72 59.94 74.176 HDTV 1080I
9. 1920*1080 67.500 60 148.50 HDTV 1080P
10. 1920*1080 67.432 59.94 148.352 HDTV 1080P
11. 1920*1080 27.000 24.000 74.25 HDTV 1080P
12. 1920*1080 26.97 23.976 74.176 HDTV 1080P
13. 1920*1080 33.75 30.000 74.25 HDTV 1080P
14. 1920*1080 33.71 29.97 740176 HDTV 1080P
7. RGB Input (PC)
No Resolution H-freq(kHz) V-freq.(kHz) Pixel clock Proposed
PC 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. 1280*768 47.776 59.870 79.5 CVT(WXGA) X
7. 1360*768 47.712 60.015 85.50 VESA(WXGA) X

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8. HDMI input (PC/DTV)
No Resolution H-freq(kHz) V-freq.(kHz) Pixel clock Proposed
PC 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) X
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. 1280*768 47.776 59.870 79.5 CVT(WXGA) X
7. 1360*768 47.712 60.015 85.50 VESA (WXGA) O
DTV
1 720*480 31.47 60 27.027 SDTV 480P O
2 720*480 31.47 59.94 27.00 SDTV 480P O
3 1280*720 45.00 60.00 74.25 HDTV 720P O
4 1280*720 44.96 59.94 74.176 HDTV 720P O
5 1920*1080 33.75 60.00 74.25 HDTV 1080I O
6 1920*1080 33.72 59.94 74.176 HDTV 1080I O
7 1920*1080 67.500 60 148.50 HDTV 1080P O
8 1920*1080 67.432 59.939 148.352 HDTV 1080P O
9 1920*1080 27.000 24.000 74.25 HDTV 1080P O
10 1920*1080 26.97 23.976 74.176 HDTV 1080P O
11 1920*1080 33.75 30.000 74.25 HDTV 1080P O
12 1920*1080 33.71 29.97 74.176 HDTV 1080P O

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ADJUSTMENT INSTRUCTION
1. Application range
This spec. sheet applies to LA01R Chassis applied LCD TV
all models manufactured in TV factory.
2. Specification
2.1 Because this is not a hot chassis, it is not necessary
to use an isolation transformer. However, the use of
isolation transformer will help protect test instrument.
2.2 Adjustment must be done in the correct order.
2.3 The adjustment must be performed in the
circumstance of 25±5°C of temperature and 65±10%
of relative humidity
2.4 The input voltage of the receiver must keep
100~240V~, 50/60Hz.
2.5 At first Worker must turn on the SET by using Power
Only key.
2.5 The receiver must be operated for about 5 minutes
prior to the adjustment when module is in the
circumstance of over 15.
In case of keeping module is in the circumstance of
0°C, it should be placed in the circumstance of above
15°C for 2 hours
In case of keeping module is in the circumstance of
below -20°C, it should be placed in the circumstance
of above 15°C for 3 hours.
• Caution
When a still image is displayed for 20 minutes or longer
(especially where W/B scale is strong. Digital pattern 13ch
and/or Cross hatch pattern 09ch), there can some
afterimage in the black level area.
3. Adjustment items
3.1 Board Level Adjustment
(1) Adjust 1080p/480i Component(ADC)
(2) EDID/DDC download
• Remark
- Above adjustment items can be also performed in Final
Assembly if needed. Adjustment items in both PCBA and
final assembly stages can be checked by using the
INSTART Menu 1.ADJUST CHECK.
3.2 Final Assembly adjustment
(1) White Balance adjustment
(2) RS-232C functionality check
(3) Factory Option setting per destination
(4) Shipment mode setting (IN-STOP)
3.3 Etc
(1) Ship-out mode
(2) Service Option Default
(3) USB Download(S/W Update, Option, Service only)
(4) ISP Download (Optional)
4. Board Level Adjustment
4.1. ADC Adjustment
4.1.1. Overview
• ADC adjustment is needed to find the optimum black level
and gain in Analog-to-Digital device and to compensate RGB
deviation.
4.1.2. Equipment & Condition
1) Jig (RS-232C protocol)
• Required equipment : Adjustment R/C
*Enter Service Mode by pushing “ADJ” key,
*Enter Internal ADC mode by pushing “G” key at “6. ADC
Calibration”
4.1.3. Adjustment
4.1.3.1 Adjustment method
• Using RS-232, adjust items listed in 3.1 in the other
shown in “4.1.3.3”
4.1.3.2 Adj. protocol
Ref.) ADC Adj. RS232C Protocol_Ver1.0
4.1.3.3. Adj. order
• aa 00 00 [Enter ADC adj. mode]
• xb 00 40 [Change input source to Component1(1080i)]
• ad 00 10 [Adjust 480i Comp1]
• xb 00 60 [Change input source to RGB(1024*768)]
• ad 00 10 [Adjust 1024*768 RGB]
• ad 00 90 End adj.
Ref) ADC adj. RS232C Protocol_Ver1.0
Protocol Command SetACK
Enter adj. mode aa 00 00 a 00 OK00x
Source change xb 00 40
xb 00 60 b 00 OK40x (Adjust 480i/1080p Comp1 )
b 00 OK60x (Adjust 1920*1080 RGB)
Begin adj. ad 00 10
Return adj. result OKx (Case of Success)
NGx (Case of Fail)
Read adj. data (main)
ad 00 20
(sub )
ad 00 21
(main)
000000000000000000000000007c007b006dx
(Sub)
000000070000000000000000007c00830077x
Confirm adj. ad 00 99 NG 03 00x (Fail)
NG 03 01x (Fail)
NG 03 02x (Fail)
OK 03 03x (Success)
End adj. aa 00 90 a 00 OK90x

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4.2. EDID/DDC Download
4.2.1 Overview
•It is a VESA regulation. A PC or a MNT will display an
optimal resolution through information sharing without any
necessity of user input. It is a realization of “Plug and Play”.
4.2.2 Equipment
•Since embedded EDID data is used, EDID download JIG,
HDMI cable and D-sub cable are not need.
•Adjust remocon.
4.2.3 Download method
1) Press Adj. key on the Adj. R/C,
2) Select EDID D/L menu.
3) By pressing Enter key, EDID download will begin
4) If Download is successful, OK is display, but If Download is
failure, NG is displayed.
5) If Download is failure, Re-try downloads.
* Caution) When EDID Download, must remove RGB/HDMI
Cable.
4.2.4 EDID DATA
1) North America
1-1) FHD Model(22LV2500-UG0

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5. Final Assembly Adjustment
5.1. White Balance Adjustment
5.1.1. Overview
5.1.1.1. W/B adj. Objective & How-it-works
(1) Objective: To reduce each Panel’s W/B deviation
(2) How-it-works: When R/G/B gain in the OSD is at 192, it
means the panel is at its Full Dynamic Range. In order to
prevent saturation of Full Dynamic range and data, one of
R/G/B is fixed at 192, and the other two is lowered to find
the desired value.
(3) Adj. condition: normal temperature
1) Surrounding Temperature: 25±5°C
2) Warm-up time: About 5 Min
3) Surrounding Humidity: 20% ~ 80%
5.1.2. Equipment
(1) Color Analyzer: CA-210 (NCG: CH 9 / WCG: CH12 / LED:
CH14)
(2) Adj. Computer (During auto adj., RS-232C protocol is
needed)
(3) Adjust Remocon
(4) Video Signal Generator MSPG-925F 720p/204-Gray
(Model: 217, Pattern: 49)
•Color Analyzer Matrix should be calibrated using CS-1000
5.1.3. Equipment connection
5.1.4. Adjustment Command (Protocol)
(1) RS-232C Command used during auto-adj.
Ex) wb 00 00 -> Begin white balance auto-adj.
wb 00 10 -> Gain adj.
ja 00 ff -> Adj. data
jb 00 c0
...
...
wb 00 1f -> Gain adj. complete
*(wb 00 20(start), wb 00 2f(end)) -> Off-set adj.
wb 00 ff ->End white balance auto adj.
(2) Adj. Map
Applied Model :
19/22LV2500-UG
5.1.5. Adjustment method
5.1.5.1 Auto WB calibration
1) Set TV in adj. mode using POWER ONLY (P-ONLY) key
2) Zero calibrate probe then place it on the center of the
Display
3) Connect Cable(RS-232C)
4) Select mode in adj. Program and begin adj.
5) When adj. is complete (OK Sing), check adj. status pre
mode (Cool, Medium, Warm)
6) Remove probe and RS-232C cable to complete adj.
•W/B Adj. must begin as start command “wb 00 00”, and
finish as end command “wb 00 ff”, and Adj. offset if need
5.1.5.2 Manual adj. method
1) Set TV in Adj. mode using POWER ON
2) Zero Calibrate the probe of Color Analyzer, then place it on
the center of LCD module within 10cm of the surface..
3) Press ADJ key -> EZ adjust using adj. R/C 6. White-
Balance then press the cursor to the right (KEYG). (When
KEY(G) is pressed 204 Gray(80IRE) internal pattern will be
displayed)
4) One of R Gain / G Gain / B Gain should be fixed at 192,
and the rest will be lowered to meet the desired value.
5) Adj. is performed in COOL, MEDIUM, WARM 3 modes of
color temperature.
•If internal pattern is not available, use RF input. In EZ Adj.
menu 6.White Balance, you can select one of 2 Test-pattern:
ON, OFF. Default is inner(ON). By selecting OFF, you can
adjust using RF signal in 204 Gray pattern.
Color Analyzer
Computer
Pattern Generator
RS-232C
RS-232C
RS-232C
Probe
Signal Source
* If TV internal pattern is used, not needed
Connection Diagram of Automatic Adjustment
RS-232C COMMAND
[CMD ID DATA] Explanation
Wb 00 00 Begin White Balance adj.
Wb 00 ff End White Balance adj. (internal pattern disappears )
Adj. item Command
(lower case ASCII) Data Range (Hex.) Default (Decimal)
CMD1 CMD2 MIN MAX
R Gain j g 00 C0 172
G Gain j h 00
i 00 C0 172
B Gain j C0 192
R Cut 64
G Cut 64
Cool
B Cut 64
Medium j a 00 C0 192
G Gain j b 00 C0 192
B Gain
R Gain
j c 00 C0 192
R Cut 64
G Cut 64
B Cut 64
R Gain j d 00 C0 192
G Gain j e 00 C0 192
B Gain j f 00 C0 172
R Cut 64
G Cut 64
Warm
B Cut 64

- 14 - LGE Internal Use OnlyCopyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
•Adj. condition and cautionary items
1) Lighting condition in surrounding area
Surrounding lighting should be lower 10 lux. Try to isolate
adj. area into dark surrounding.
2) Probe location : Color Analyzer (CA-210) probe should be
within 10cm and perpendicular of the module surface (80°~
100°)
3) Aging time
- After Aging Start, Keep the Power ON status during 5
Minutes.
- In case of LCD, Back-light on should be checked using no
signal or Full-white pattern.
5.1.6 Reference (White Balance Adj. coordinate and color
temperature)
(1) Luminance: 204 Gray, 80IRE
(2) Standard color coordinate and temperature using CA-
210(CH 14)
5.2 HDCP (High-Bandwidth Digital
Contents Protection) SETTING
5.3 Option selection per country
5.3.1 Overview
•Option selection is only done for models in Non-USA North
America due to rating
•Applied model: LA01U Chassis applied None USA
model(CANADA, MEXICO)
5.3.2 Method
(1) Press ADJ key on the Adj. R/C, and then select Country
Group Menu
(2) Depending on destination, select KR or US, then on the
lower Country option, select US, CA, MX. Selection is
done using +, - KEY
5.4 Tool Option selection
•Method: Press Adj. key on the Adj. R/C, then select Tool
option.
5.6 3D Pattern test(Only 3D model)
5.6.1 Test equipment
(1) Pattern Generator MSHG-600 or MSPG-6100 (HDMI 1.4
support)
(2) Pattern: HDMI mode (model No. 872, pattern No. 83)
5.6.2 Test method
(1) Input 3D test signal as Fig.1.
(2) Press ‘OK”key as a 3D input OSD is shown.
(3) Check pattern as Fig2 without 3D glasses. (3D mode
without 3D glasses)
Mode Color Coordination Temp ∆UV
xy
COOL 0.285±0.002 0.293±0.002 9300K 0.0000
MEDIUM 0.295±0.002 0.305±0.002 8000K 0.0000
WARM 0.313+0.002 0.329±0.002 6500K 0.0000
Model Tool1 Tool2 Tool3 Tool4 Tool5 Menu
22LV2500-UG 10024 18954 55337 2588 16640 AUO
19LV2500-UG 5928 18954 55337 2588 16640 AUO
O
K
O K
Fig.1
<HDMI Mode 872, Pattern No.83
Fig.2
<OK in 3D mode without 3D glasses>
K
Fig.3
<NG in 3D mode without 3D glasses>

- 15 - LGE Internal Use OnlyCopyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
5.7 Local Dimming Inspection
(Only Local dimming model)
(1) Press ‘TILT’Key of the Adj. R/C and check moving
patterns. The black bar patterns moves from top to
boeeom. If a local dimming function does not work, a
whole screen shows full white.
5.8 Ship-out mode check (In-stop)
(1) After final inspection, press In-Stop key of the Adj. R/C and
check that the unit goes to Stand-by model.
6. GND and Hi-pot Test
6.1. Method
6.1.1. GND & HI-POT auto-check preparation
(1) Check the POWER CABLE and SIGNAL CABE
insertion condition
6.1.2. GND & 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) GND Test (Auto)
- If Test is failed, Buzzer operates.
- If Test is passed, execute next process (Hi-pot test).
(Remove A/V CORD from A/V JACK BOX)
(5) HI-POT test (Auto)
- If Test is failed, Buzzer operates.
- If Test is passed, GOOD Lamp on and move to next
process automatically.
6.2. Checkpoint
•TEST voltage
- GND: 1.5KV/min at 100mA
- SIGNAL: 3KV/min at 100mA
•TEST time: 1 second
•TEST POINT
- GND TEST = POWER CORD GND & SIGNAL CABLE
METAL GND
- Internal Pressure TEST = POWER CORD GND & LIVE &
NEUTRAL
•LEAKAGE CURRENT: At 0.5mArms
7. EYE-Q Check
Step 1) Turn on the TV.
Step 2) Press EYE button in adjust remote control.
Step 3) Stay 6 seconds with Eye Q sensor hidden located on
the front of the set.
Step 4) Check the “Sensor Data”on the screen and check
whether the value is lower thanafter 6 seconds, the
value does not go below 10, Eye Q sensor is not
working properly. Then, change the sensor.
Step 5) Remove hand from the Eye Q II sensor and stay for 6
seconds.
Step 6) Check whether the “Back Light (xxx)”value has risen
on the screen. If after 6 seconds and the value still
does not go high, the eye Q II sensor is not working
properly. Replace the sensor.
<Step1> <Step2> <Step3>
<Step4> <Step5>

- 16 - LGE Internal Use OnlyCopyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
8. USB S/W Download (Option,
Service only)
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
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.
* After downloading, have to adjust TOOL OPTION again.
1. Push "IN-START" key in service remote controller.
2. Select "Tool Option 1" and Push “OK”button.
3. Punch in the number. (Each model has their number.)

LGE Internal Use OnlyCopyright LG Electronics. Inc. All right reserved.
Only for training and service purposes - 17 -
900
300 310
511
120
400
540
521
810
820
200
A5
910
510
A2
410
A31 A10
A21
LV1
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 essential that these special safety parts should be replaced with the same components 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.
CI_TS_DATA[5]
CI_TS_DATA[1]
PCM_A[3]
PCM_A[12]
PCM_A[11]
CI_TS_DATA[3]
FE_TS_DATA[6]
CI_TS_DATA[4]
FE_TS_DATA[7]
PCM_A[0]
PCM_A[0]
PCM_A[4]
PCM_A[10]
PCM_A[9]
FE_TS_DATA[2]
PCM_A[6]
PCM_A[6]
FE_TS_DATA[0]
PCM_A[5]
PCM_A[1]
FE_TS_DATA[1]
PCM_A[8]
PCM_A[1]
PCM_A[7]
PCM_A[2]
PCM_D[5]
PCM_A[7]
PCM_A[4]
PCM_A[5]
PCM_D[4]
PCM_D[3]
PCM_A[3]
PCM_A[14]
PCM_D[2]
CI_TS_DATA[7]
PCM_A[2]
CI_TS_DATA[0]
FE_TS_DATA[3]
PCM_D[1]
PCM_D[0]
PCM_D[7]
PCM_A[13]
PCM_D[6]
FE_TS_DATA[4]
CI_TS_DATA[2]
CI_TS_DATA[6]
FE_TS_DATA[5]
/PCM_IOWR
C106
8pF
OPT
/PCM_CD
/PCM_WE
R111 22
5V_DET_HDMI_4
R14222
C112
100pF
50V
AMP_MUTE
C108
0.1uF
OPT
AMP_SCL
SIDE_HP_MUTE
INV_CTL
R117
1K
OPT
I2C_SDA
R14633
PWM0
/PF_WP
R132
10K
SENSOR_SDA
RGB_DDC_SDA
DSUB_DET
PANEL_CTL
KEY1
RXB0-
FE_TS_VAL_ERR
PCM_RST
R165
1K
IC102
NAND01GW3B2CN6E
NAND_FLASH_1G_NUMONYX
EAN60762401
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 VDD_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
AL
3
NC_3
6
NC_6
16
CL
15
NC_10
14
NC_9
13
VSS_1
12
VDD_1
11
NC_8
10
NC_7
9
E
8
R
7
RB
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
W
Q807
2SC3052
E
B
C
R153
1K
I2C_SDA
SCART1_MUTE
RXB3+
R127 4.7K
SIDEAV_DET
DEMOD_RESET
R141 1K
AV_CVBS_DET
CI_TS_DATA[0-7]
IC102-*1
H27U1G8F2BTR-BC
NAND_FLASH_1G_HYNIX
EAN35669102
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
/PF_CE1
I2C_SDA
RXA4+
R15133
R148
56
R115
1K
OPT
IC102-*3
TC58NVG0S3ETA0BBBH
NAND_FLASH_1G_TOSHIBA
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
/FLASH_WP
AR103
22
R15422
OPT
PM_TXD
RGB_DDC_SCL
R140 1K
R121
1K OPT
+3.3V_Normal
USB1_CTL
I2C_SCL
/PCM_IORD
HP_DET
CI_TS_CLK
EDID_WP
R129 22
R107 1K
PCM_A[0-7]
RXA2-
R11422
POWER_DET
RXACK+
RXA3-
/CI_CD2
/PCM_CE
AMP_SDA
RXA0+
FE_TS_DATA[0-7]
R145 2.2K
R104
10K
OPT
PCM_A[0-14]
PWM1
RXA1+
RXA4-
RXB2+
USB1_OCD
PWM_DIM
R166 22
R137 22
R152
1K
OPT
R118
1K
/PF_OE
R14733
+3.3V_Normal
ERROR_OUT
/PF_OE
SC1/COMP1_DET
PWM0
R105
1K
OPT
RXA0-
RXBCK+
MODEL_OPT_1
C101
0.1uF
C111
2.2uF
PWM1
+3.3V_Normal
/PF_CE0
PF_ALE
PWM0
R11922
RXB3-
/PF_CE0
RXA1-
/PF_WE
AUD_MASTER_CLK
+3.5V_ST
I2C_SCL
RXBCK-
AMP_RESET
/SPI_CS
R12222 OPT
TUNER_RESET
R10122
SENSOR_SCL
R157 100
R128 22
R116
1K
R169 22
IC103
CAT24WC08W-T
HDCP_EEPROM_CATALYST_OLD
3
A2
2
A1
4
VSS
1
A0
5SDA
6SCL
7WP
8VCC
R12022
OPT
MODEL_OPT_2
R139 22
R112 22
+3.3V_Normal
+3.3V_Normal
SPI_SDO
R143
4.7K
TOUCH_KEY
RXB4+
MODEL_OPT_3
/PCM_OE
C107
0.1uF
R144 2.2K
SENSOR_SCL
LED_B/LG_LOGO
RXB2-
PWM2
RXACK-
R133
10K
R16322
PCM_5V_CTL
RXB1-
RXB4-
PCM_D[0-7]
R1081K
OPT
/PF_CE1
PM_RXD
R11022
AUD_SCK
R113
4.7K
/PCM_REG
R13122
CI_TS_VAL
R109 3.9K
RXB0+
RXB1+
RXA3+
PM_TXD
R170 22
5V_DET_HDMI_2
/F_RB
SENSOR_SDA
R136 22
R13522
KEY2
/PCM_IRQA
S/T_SDA
R156 10K
R13422
IC102-*2
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
C103
0.1uF
S/T_SCL
/CI_CD1
R124
1K
AR102
22
R161 2.7K
+3.3V_Normal
C109
0.1uF
C104
8pF
OPT
5V_DET_HDMI_1
CI_TS_SYNC
R168 22
R13022
FE_TS_CLK
RXA2+
/F_RB
/PF_WP
AR101
22
IC103-*1
CAT24C08WI-GT3-H-RECV(TV)
HDCP_EEPROM_ON_SEMI_NEW
3
A2
2
NC_2
4
VSS
1
NC_1
5SDA
6SCL
7WP
8VCC
PM_RXD
SPI_SDI
I2C_SDA
/PF_WE
C105
0.1uF
LED_R/BUZZ
MODEL_OPT_0
I2C_SCL
+3.3V_Normal
C102
10uF
R149
4.7K
TOUCH_KEY
RL_ON
R106 1K
/PCM_WAIT
AUD_MASTER_CLK_0
I2C_SCL
POWER_ON/OFF_1
+5V_Normal
A_DIM
R123
1K
OPT
R160 2.7K
Q101
KRC103S
OPT
E
B
C
PF_ALE
SPI_SCK
PWM2
AR104
22
FE_TS_SYNC
R167 22
R138 22
LED_R/BUZZ
R102
3.3K
R16422
IC104
AT24C256C-SSHL-T
3
A2
2
A1
4
GND
1
A0
5SDA
6SCL
7WP
8VCC
R171
10K
MODEL_OPT_4
MODEL_OPT_5
R172 0
OPT
R173 0
OPT
PM_MODEL_OPT_0
PM_MODEL_OPT_0
+3.5V_ST
PM_MODEL_OPT_1
R178 100
OPT
R179 100
OPT
OLP
AMP_SDA
AMP_SCL
IC101
LGE2112-T8
S7LR_DIVX_MS10
PCMDATA[0]/GPIO126
W21
PCMDATA[1]/GPIO127
AA18
PCMDATA[2]/GPIO128
AB22
PCMDATA[3]/GPIO120
AE20
PCMDATA[4]/GPIO119
AA15
PCMDATA[5]/GPIO118
AE21
PCMDATA[6]/GPIO117
AB21
PCMDATA[7]/GPIO116
Y15
PCMADR[0]/GPIO125
W20
PCMADR[1]/GPIO124
V20
PCMADR[2]/GPIO122
W22
PCMADR[3]/GPIO121
AB18
PCMADR[4]/GPIO99
AA20
PCMADR[5]/GPIO101
AA21
PCMADR[6]/GPIO102
Y19
PCMADR[7]/GPIO103
AB17
PCMADR[8]/GPIO108
Y16
PCMADR[9]/GPIO110
AB19
PCMADR[10]/GPIO114
AB20
PCMADR[11]/GPIO112
AA16
PCMADR[12]/GPIO104
AA19
PCMADR[13]/GPIO107
AC21
PCMADR[14]/GPIO106
AA17
PCMREG_N/GPIO123
Y20
PCMOE_N/GPIO113
AB15
PCMWE_N/GPIO197
AA22
PCMIORD_N/GPIO111
AD22
PCMIOWR_N/GPIO109
AD20
PCMCE_N/GPIO115
AD21
PCMIRQA_N/GPIO105
AC20
PCMCD_N/GPIO130
Y18
PCMWAIT_N/GPIO100
Y21
PCM_RESET/GPIO129
Y22
PCM2_CE_N/GPIO131
U21
PCM2_IRQA_N/GPIO132
V21
PCM2_CD_N/GPIO135
R20
PCM2_WAIT_N/GPIO133
T20
PCM2_RESET/GPIO134
U22
UART1_TX/GPIO43
D4
UART1_RX/GPIO44
E4
UART2_TX/GPIO65
N25
UART2_RX/GPIO64
N24
UART3_TX/GPIO47
B8
UART3_RX/GPIO48
A8
I2C_SCKM2/DDCR_CK/GPIO72
P23
I2C_SDAM2/DDCR_DA/GPIO71
P24
DDCA_DA/UART0_TX
D2
DDCA_CK/UART0_RX
D1
PWM0/GPIO66
P21
PWM1/GPIO67
N23
PWM2/GPIO68
P22
PWM3/GPIO69
R21
PWM4/GPIO70
P20
PWM_PM/GPIO199
F6
SAR0/GPIO31
H6
SAR1/GPIO32
G5
SAR2/GPIO33
G4
SAR3/GPIO34
J5
SAR4/GPIO35
J4
VSYNC_LIKE/GPIO145
R23
SPI1_CK/GPIO201
R24
SPI1_DI/GPIO202
R25
SPI2_CK/GPIO203
T21
SPI2_DI/GPIO204
T22
NF_CE1Z/GPIO138 AE18
NF_WPZ/GPIO198 AC17
NF_CEZ/GPIO137 AD18
NF_CLE/GPIO136 AC18
NF_REZ/GPIO139 AC19
NF_WEZ/GPIO140 AD17
NF_ALE/GPIO141 AE17
NF_RBZ/GPIO142 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/GPIO87 Y14
TS0VALID/GPIO85 AA10
TS0SYNC/GPIO86 Y12
TS0DATA_[0]/GPIO77 Y13
TS0DATA_[1]/GPIO78 Y11
TS0DATA_[2]/GPIO79 AA12
TS0DATA_[3]/GPIO80 AB12
TS0DATA_[4]/GPIO81 AA14
TS0DATA_[5]/GPIO82 AB14
TS0DATA_[6]/GPIO83 AA13
TS0DATA_[7]/GPIO84 AB11
TS1CLK/GPIO98 AC15
TS1VALID/GPI96 AD15
TS1SYNC/GPIO97 AC16
TS1DATA_[0]/GPIO88 AD16
TS1DATA_[1]/GPIO89 AE15
TS1DATA_[2]/GPIO90 AE14
TS1DATA_[3]/GPIO91 AC13
TS1DATA_[4]/GPIO92 AC14
TS1DATA_[5]/GPIO93 AD12
TS1DATA_[6]/GPIO94 AD13
TS1DATA_[7]/GPIO95 AD14
IC101
LGE2112-T8
S7LR_DIVX_MS10
GPIO36
C7
GPIO37
E6
GPIO38
F5
GPIO39
B6
GPIO40
E5
GPIO41
D5
GPIO42
B7
GPIO45
E7
GPIO46
F7
GPIO49
AB5
GPIO50
AB3
GPIO51
A9
GPIO52
F4
I2C_SCKM0/GPIO53
AB1
I2C_SDAM0/GPIO54
N6
GPIO73
AB2
GPIO74
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
LVACKP AE24
LVACKN AD24
LVBCKP Y23
LVBCKN W24
GPIO196 T25
GPIO193 U23
GPIO194 T24
GPIO195 T23
MODEL_OPT_6
MODEL_OPT_7
IC101-*1
LGE2111-TE
S7LR_DIVX
GPIO36
C7
GPIO37
E6
GPIO38
F5
GPIO39
B6
GPIO40
E5
GPIO41
D5
GPIO42
B7
GPIO45
E7
GPIO46
F7
GPIO49
AB5
GPIO50
AB3
GPIO51
A9
GPIO52
F4
I2C_SCKM0/GPIO53
AB1
I2C_SDAM0/GPIO54
N6
GPIO73
AB2
GPIO74
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
LVACKP AE24
LVACKN AD24
LVBCKP Y23
LVBCKN W24
GPIO196 T25
GPIO193 U23
GPIO194 T24
GPIO195 T23
R176
10K
PWM_LED
R177
10K
PWM_BUZZ/IIC_LED
R174
10K
TOUCH_KEY
R175
10K
TACT_KEY
TP100
OLP
20110511
FLASH/EEPROM/GPIO 1
from CI SLOT
for SYSTEM/HDCP
EEPROM&URSA3
for SERIAL FLASH
A0’h
NAND FLASH MEMORY
NEED TO SWAP LVDS POLARITY
Addr:10101--
EEPROM
$0.199
Internal demod out
<CHIP Config>
(I2S_OUT_BCK,I2S_OUT_MCK,PAD_PWM1PAD_PWM0)
to delete CI or gate for
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
DIMMING
HDCP EEPROM
GP3_S7LR
PM MODEL OPTION
<CHIP Config(LED_R/BUZZ)>
Boot from SPI CS1N(EXT_FLASH) 1’b0
Boot from SPI_CS0N(INT_FLASH) 1’b1
applied on only SMALL PCB

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.
D1-_HDMI2
C252
0.1uF
+1.10V_VDDC
C209 0.047uF
R257 33
C214 0.047uF
AMP_SDA
MODEL_OPT_0
IF_AGC_MAIN
R4024 510
C277 0.1uF
AVSS_PGA
C237 2.2uF
SC1_SOG_IN
R208 1K
DVB_T2
C4027
0.1uF
C4036 0.1uF
C4043 0.1uF
SCART1_Lout
COMP2_DET
COMP2_R_IN
SC1_CVBS_IN
AVDD_NODIE
R202 100
BOOSTER_OPT
R296 100
C265 0.1uF
C208 0.047uF
C4042 0.1uF
L219
BLM18PG121SN1D
C243 2.2uF
D0-_HDMI1
R255 33
R228 33
C226 0.047uF
C4038 0.1uF
DSUB_R+
C257 0.1uF
R245 33
C245 2.2uF
DDC_SCL_1
D0+_HDMI4
R239 33
SC1_G+/COMP1_Y+
TP209
C206 0.047uF
R233 68
HPD4
C230 0.047uF
C210 1000pF
C283 0.1uF
AVDD25_PGA
C236 2.2uF
C223 0.047uF
R4026
10K
C4020 0.1uF
CK-_HDMI2
R240 68 C221 0.047uF
L206
BLM18PG121SN1D
IF_N_MSTAR
L209
BLM18PG121SN1D
AMP_SCL
D1+_HDMI1
R4025 510
C212 0.047uF
C4059 2.2uF
HPD2
COMP2_Pb+
D1-_HDMI4
C4006 0.1uF
OPT
R4023
2.4K
+3.3V_Normal
R4016 33
C290 0.1uF
OPT
L211
BLM18PG121SN1D
CK-_HDMI1
D2+_HDMI2
C224 1000pF
VDD33
VDD33
X201
24MHz
TU_CVBS
R253 33
RF_SWITCH_CTL
CK+_HDMI1
C232 0.1uF
+3.5V_ST
SIDEAV_L_IN
MIUVDDC
10uFC284 10uFC4001
AUD_MASTER_CLK_0
+1.5V_DDR
C219 0.047uF
L227
BLM18PG121SN1D
D2+_HDMI4
SPDIF_OUT
C244 2.2uF
C253
1uF
R4004 0
SW200
TMUE312GAB
SWITCH
1 2
43
5
R206 1K
3D
R226 1K
HD
COMP2_L_IN
C269
10uF
AV_CVBS_IN2
D2-_HDMI1
D1+_HDMI2
C4046 0.1uF
R254 68
C4019 0.1uF
SC1_B+/COMP1_Pb+
PC_L_IN
R289 100
C238 2.2uF
SIDEAV_R_IN
C4031 0.1uF
+2.5V_Normal
R231 68
SC1/COMP1_L_IN
IR
C251 0.1uF
+1.10V_VDDC
DSUB_HSYNC
D0+_HDMI1
C286
0.1uF
AV_L_IN
AVDD_NODIE
R236 0
NON_EU
D1-_HDMI1
R217
10
R252 68
C218 0.047uF
R241 33
SC1_R+/COMP1_Pr+
CK+_HDMI2
C239 2.2uF
C200
4.7uF
10V
AV_R_IN
+1.10V_VDDC
AVDD2P5
C4068
100pF
C215 0.047uF
D2+_HDMI1
C4045 1uF
MODEL_OPT_3
L202
BLM18SG121TN1D
C4011 0.1uF
R21322 FULL_NIM
AVDD_MIU
10uFC275
C278
10uF
TP207
R242 68
AVDD25_PGA
AUD_SCK
HPD1
C250 0.1uF
R201 100
OPT
LNA2_CTL
TU_SCL
AVDD2P5
C258 0.1uF
+3.5V_ST
HDMI_ARC
R21422 FULL_NIM
AVSS_PGA
L223
BLM18SG121TN1D
SIDEAV_CVBS_IN
C280 0.1uF
HP_ROUT
C211 0.047uF
C4012 0.1uF C4025 0.1uF
DDC_SCL_2
R212 1K
PHM_OFF
C4007 0.1uF
SIDE_USB_DP
R203 100
RF_SW_OPT
D1+_HDMI4
AV_CVBS_IN2
MODEL_OPT_2
R210 33
MODEL_OPT_1
R238 68
R209 1K
NON_DVB_T2
D0-_HDMI2
C4024 0.1uF
C220 0.047uF
C203
1000pF
OPT
VDD33
C204 0.047uF
+3.3V_Normal
R232 33
C4009 0.1uF
R288 100
+3.3V_Normal
C271
0.1uF
C299 0.1uF
OPT
R211 1K
PHM_ON
DTV/MNT_VOUT
L208
BLM18PG121SN1D
AV_CVBS_IN C4057 0.047uF
R4001 0
OPT
R4003 47
C225 0.047uF
R4002 47
C4064
0.1uF
R207 1K
NON_3D
SC1_ID
D200
KDS181
C264 1000pF
OPT
C242 2.2uF
C4014 0.1uF
TU_SIF
R200
62K
R230 33
VDD33
R204 100
OPT
C201
0.1uF
10uFC228
R237 33
R227 1K
FHD
DDC_SDA_1
DDC_SDA_4
C270
0.1uF
C263
10uF
DDC_SCL_4
CEC_REMOTE_S7
R287
1M
SCART1_Rout
C4013 0.1uF
OPT
D2-_HDMI2
SOC_RESET
R256 68
DEMOD_SCL
C4044 0.1uF
CK-_HDMI4
SC1/COMP1_R_IN
DSUB_G+
DDC_SDA_2
SIDE_USB_DM
C222 0.047uF
C227 0.047uF
TU_SDA
DEMOD_SDA
AVDD_AU33
PC_R_IN
COMP2_Y+
D2-_HDMI4
C233 0.047uF
AUD_LRCK
AVDD_AU33
C205 0.047uF C4060 2.2uF
SOC_RESET C4062
0.1uF
IF_AGC_SEL
R244 33
HP_LOUT
C217 1000pF
DSUB_VSYNC
10uFC293
OPT
TP208
10uFC276
C249
4.7uF
C292 0.1uF
OPT
SC1_FB
R246 33
R229 68
TP211
C273
0.1uF
AUD_LRCH
C213 0.047uF
C241
0.1uF
C281
10uF
OPT
C256
0.1uF
IF_P_MSTAR
C216 0.047uF
C4067
OPT
CK+_HDMI4
MIUVDDC
AVDD_MIU
R249 33
FB_CORE
D0+_HDMI2
R258 68
+1.10V_VDDC
COMP2_Pr+
D0-_HDMI4
L204
BLM18PG121SN1D
C4069
100pF
TP210
R205
100
SWITCH
DSUB_B+
C231 0.047uF
C274
0.1uF
C207 0.047uF
C267 0.1uF
L228
BLM18PG121SN1D
L229
BLM18PG121SN1D
C4070
0.1uF
16V
AVDD2P5_MOD
AVDD2P5_MOD
C261 22pF
C262 22pF
CI_DET
R297 0
OPT
R4019
10K
R4020
0C4065
0.047uF
25V
R4027 1K
OLED
R4028 1K
DVB_S
R4029 1K
NON_OLED
R4030 1K
NON_DVB_S
MODEL_OPT_4
MODEL_OPT_5
R4031 100
OPT
R4032 100
OPT
PM_MODEL_OPT_1
R4033 22
R4035 22
R4034 22
R4036 22
R4037 22
R4038 22
C4071
10uF
C240
0.1uF
IC101
LGE2112-T8
S7LR_DIVX_MS10
RXACKP
J2
RXACKN
J3
RXA0P
K3
RXA0N
J1
RXA1P
K2
RXA1N
K1
RXA2P
L2
RXA2N
L3
DDCDA_DA/GPIO24
T5
DDCDA_CK/GPIO23
T4
HOTPLUGA/GPIO19
V5
HOTPLUGB/GPIO20
R5
RXCCKP
AE9
RXCCKN
AC9
RXC0P
AC10
RXC0N
AD9
RXC1P
AC11
RXC1N
AD10
RXC2P
AE11
RXC2N
AD11
DDCDC_DA/GPIO28
AE8
DDCDC_CK/GPIO27
AD8
HOTPLUGC/GPIO21
AC8
RXDCKP
F2
RXDCKN
F3
RXD0P
G3
RXD0N
F1
RXD1P
G2
RXD1N
G1
RXD2P
H2
RXD2N
H3
DDCDD_DA/GPIO30
R6
DDCDD_CK/GPIO29
U6
HOTPLUGD/GPIO22
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
CVBS4
Y5
CVBS5
AA4
CVBSOUT0
Y6
CVBSOUT1
AA1
VCOM
AB4
VIFP AC4
VIFM AD3
IP AC3
IM AE3
SIFP AD4
SIFM AC5
IF_AGC AD2
RF_AGC AE2
I2C_SCKM1/GPIO75 AE6
I2C_SDAM1/GPIO76 AD6
XIN AD1
XOUT AC1
SPDIF_IN/GPIO152 D7
SPDIF_OUT/GPIO153 D6
USB0_DM E3
USB0_DP E2
USB1_DM AC12
USB1_DP AE12
I2S_IN_BCK/GPIO150 C8
I2S_IN_SD/GPIO151 D8
I2S_IN_WS/GPIO149 D9
I2S_OUT_BCK/GPIO156 B10
I2S_OUT_MCK/GPIO154 C9
I2S_OUT_SD/GPIO157 B9
I2S_OUT_WS/GPIO155 C10
AUL0 AB9
AUR0 AA11
AUL1 Y9
AUR1 AA9
AUL2 AA7
AUR2 AB8
AUL3 Y8
AUR3 Y10
AUL4 AC7
AUR4 AD7
AUOUTL0 W6
AUOUTL2 V6
AUOUTL3 V4
AUOUTR0 Y7
AUOUTR2 W5
AUOUTR3 U5
AUVRM AD5
AUVAG AE5
AUVRP AC6
EARPHONE_OUTL AA6
EARPHONE_OUTR AB6
ET_RXD[0]/RP/GPIO60 C6
ET_TXD[0]/TP/GPIO57 C5
ET_RXD[1]/RN/GPIO63 A6
ET_TXD[1]/LED1/GPIO56 C4
ET_TX_CLK/TN/GPIO59 B5
ET_TX_EN/GPIO58 C3
ET_MDC/GPIO61 A3
ET_MDIO/GPIO62 B3
ET_COL/LED0/GPIO55 B4
IRIN/GPIO4 N4
ARC0 T6
HWRESET N5
IC101
LGE2112-T8
S7LR_DIVX_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
AVDD1P0
P10
FB_CORE
P19
AVDDL_MOD
R16
AVDD10_LAN
L11
DVDD_DDR
M14
AVDD2P5_ADC_1
W9
AVDD2P5_ADC_2
W10
AVDD2P5_ADC_3
W11
AVDD25_REF
W12
AVDD25_LAN
Y17
AVDD_MOD_1
V18
AVDD_MOD_2
U19
AVDD25_PGA
W14
AVSS_PGA
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
R298
0
MODEL_OPT_6
MODEL_OPT_7
R291 1K
OPT
R290 1K
OPT
R294 1K R293 1K
R4040 100
OPT
R4039 100
OPT
L203 H/P_FILTER10uH
L205 H/P_FILTER10uH
C268
10uF
6.3V
H/P_FILTER
C272
10uF
6.3V
H/P_FILTER
R260
200
H/P_FILTER
R261
200 H/P_FILTER
C268-*1
4.7uF
10V
H/P_NON_FILTER
C272-*1
4.7uF
10V
H/P_NON_FILTER
L203-*1
CM2012F5R6KT
H/P_NON_FILTER
L205-*1
CM2012F5R6KT
H/P_NON_FILTER
R260-*1
0
H/P_NON_FILTER
R261-*1
0
H/P_NON_FILTER
R260-*2
0
KOR_EMS_Improvement
R261-*2
0
KOR_EMS_Improvement
C272-*2
10uF
6.3V
KOR_EMS_Improvement
C268-*2
10uF
6.3V
KOR_EMS_Improvement
GP3_S7LR
MAIN2, HW OPT 2
20110511
HDMI
AVDD_DDR1:55mA
DVB_S
MODEL_OPT_1
3D
AB2
Normal 2.5V
VDDC 1.05V
AVDD_NODIE:7.362mA
Normal Power 3.3V
AUDIO IN
Close to MSTAR
PIN NO.
NON_3D
AVDD_DDR0:55mA
MODEL OPTION
MODEL OPTION
MODEL_OPT_5
PHM_OFF
MODEL_OPT_0
COMP2
MODEL_OPT_2
VDDC : 2026mA
NON_DVB_T2
T24
RSDS Power OPT
OLED
TUNER_I2C
MODEL_OPT_3
LOW
ANALOG SIF
NON_DVB_S
Close to IC with width trace
STby 3.5V
Close to MSTAR
F4
U23
PHM_ON
Close to MSTAR
H/P OUT
SIDE USB
T25
SCART1_RGB/COMP1
AUDIO OUT
Close to MSTAR
AB3
MODEL_OPT_4
PIN NAME
DDR3 1.5V
NON_OLED
FHD
CVBS In/OUT
HD
SOC_RESET
HIGH
I2S_I/F
DSUB
DTV_IF
DVB_T2
AVDD2P5:172mA
AVDD25_PGA:13mA
MODEL_OPT_6
MODEL_OPT_7
B8
A8
READY
READY
READEY
READY

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.
Q2406
2SC3052
OPT EB
C
C2404
1000pF
50V
+3.5V_ST
D903
5.6V
CDS3C05HDMI1
NEW_SUB
R2413 1.5K
LED_B/LG_LOGO
R2402
100
JP2407
+3.5V_ST
S/T_SDA
S/T_SCL
LED_R/BUZZ
C2403
0.1uF
16V
C907
18pF
50V
OPT
JP2408
+3.5V_ST
JP2411
D2402
5.6V
AMOTECH
R2429
47K
OPT
D902
5.6V
CDS3C05HDMI1
NEW_SUB
R2405
10K
1%
C2408
18pF
50V
OPT
C2407
100pF
50V
SENSOR_SCL
C2402
0.1uF
+3.5V_ST
C2401
0.1uF
R2425
47K
OPT
R2431
47K
OPT
R2414
1.5K
R2412
100
EYEQ/TOUCH_KEY
SENSOR_SDA
+3.3V_Normal
C2409
18pF
50V
OPT
R2427
0
P2401
12507WR-12L
OLD_SUB
1
2
3
4
5
6
7
8
9
10
11
12
13
+3.5V_ST
C2405
0.1uF
16V
JP2410
R2428
22
R2404
10K
1%
KEY1
R2426
47K
IR
C2410
0.1uF
16V
OPT
KEY2
JP2409
R2401
100
P2402
12507WR-15L
NEW_SUB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
R2411
100
EYEQ/TOUCH_KEY
R2416
10K
OPT
L2404
BLM18PG121SN1D
C2406
1000pF
50V
Q2405
2SC3052
OPT
EB
C
R2430
10K
OPT
C906
18pF
50V
OPT
D2401
5.6V
AMOTECH
D2405
5.6V
D2403
5.6V
EYEQ/TOUCH_KEY
D2404
5.6V
EYEQ/TOUCH_KEY
L2401
BLM18PG121SN1D
L2402
BLM18PG121SN1D
L2403
BLM18PG121SN1D
20110324
6
GP3_S7LR
IR/CONTROL-L
IR & LED
CONTROL