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 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 exposed metallic part. 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.
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 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 mod-
ule 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 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 easily 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 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 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 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 oor can generate static electricity sufcient 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 wirebristle (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 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
Some chassis circuit boards have slotted holes (oblong) through
which the IC leads are inserted and then bent at 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).
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.
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.
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.
This spec. sheet applies to LJ53H/J Chassis applied LED TV
all models manufactured in TV factory
2. Specification.
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) Adjustment must be done in the correct order.
3) The adjustment must be performed in the circumstance of
25 ±5ºC of temperature and 65±10% of relative humidity if
there is no specific designation
4) The input voltage of the receiver must keep 100~240V,
50/60Hz
5) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15ºC
▪ 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 still image is displayed for a period of 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.
4. Automatic Adjustment
4.1. ADC Adjustment
1) Enter the ADC Calibration in ADJ Menu
2) Check the ‘Internal’ at ADC Type and push Start button.
3) Check ‘ OK ‘
4.1.1. Equipment & Condition
1) USB to RS-232C Jig
2) MSPG-925 Series Pattern Generator(MSPG-925FA, pattern
Above adjustment items can be also performed in Final
Assembly if needed. Both Board-level and Final assembly
adjustment items can be check using In-Start Menu 1.ADJUST
CHECK.
3.2. Final assembly adjustment
▪ White Balance adjustment
▪ RS-232C functionality check
▪ PING Test
▪ Factory Option setting per destination
▪ Ship-out mode setting (In-Stop)
3.3. Etc.
▪ Ship-out mode
▪ Service Option Default
▪ USB Download(S/W Update, Option, Service only)
▪ ISP Download (Option)
4.1.2. Adjustment method
ProtocolCommandSet ACK
Enter adj. modeaa 00 00a 00 OK00x
Source changexb 00 04
xb 00 06
Begin adj.ad 00 10
Return adj. resultOKx (Case of Success)
Read adj. data(main)
ad 00 20
(sub )
ad 00 21
Conrm adj.ad 00 99NG 03 00x (Fail)
End adj.ad 00 90a 00 OK90x
Ref.) ADC Adj. RS232C Protocol_Ver1.0
Adj. order
▪ aa 00 00 [Enter ADC adj. mode]
▪ xb 00 04 [Change input source to Component1(480i&1080p)]
▪ ad 00 10 [Adjust 480i&1080p Comp1]
▪ xb 00 06 [Change input source to RGB(1024*768)]
▪ ad 00 10 [Adjust 1920*1080 RGB]
▪ aa 00 90 End adj.
b 00 OK04x (Adjust 480i, 1080p Comp1 )
b 00 OK06x (Adjust 1920*1080 RGB)
NGx (Case of Fail)
(main)
000000000000000000000000007c007b006dx
(Sub)
000000070000000000000000007c0083
0077x
NG 03 01x (Fail)
NG 03 02x (Fail)
OK 03 03x (Success)
▪ Press “Power on” key of service remocon.(Baud rate :
115200 bps)
▪ Connect RS-232C Signal to USB Cable to USB.
▪ Write Serial number by use USB port.
▪ Must check the serial number at Instart menu.
■ Method & Notice
A. Serial number D/L is using of scan equipment.
B. Setting of scan equipment operated by Manufacturing
Technology Group.
C. 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)
It is impossible to download by bar code scan, so It need
Manual download.
a. Press the ‘INSTART’ key of ADJ remote controller.
b. Go to the menu ‘7. Model Number D/L’ like below photo.
c. Input the Factory model name or Serial number like below
photo.
5. Manual Adjustment
5.1. ADC adjustment is not needed because of
OTP (Auto ADC adjustment)
5.2. EDID
(The Extended Display Identification Data)
/ DDC (Display Data Channel) download
5.2.1. 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”.
5.2.2. Equipment
▪ Since embedded EDID data is used, EDID download JIG,
HDMI cable and D-sub cable are not need.
▪ Adjust remocon
5.2.3. Download method
1) Press Adj. key on the Adjust remocon, then select “12.EDID
D/L”.
By pressing Enter key, enter EDID D/L menu
d. Check the model name INSTART menu -> Factory name
displayed
e. Check the Diagnostics (DTV country only) -> Buyer model
displayed
4.5. WIFI MAC ADDRESS CHECK
4.5.1. Using RS232 Command
CommandSet ACK
Transmission[A][l][][Set ID][][20][Cr][O][K][x] or [N][G]
■ Check the menu on in-start
Only for training and service purposes
- 17 -
2) Select [Start] button by pressing Enter key, HDMI1 / HDMI2
1) Objective : To check how it connects between Camera and
PCBA normally, and their Function
2) Test Method : This Inspection is available only Power-Only
Status.
i) Push Camera Up
ii) Camera’s Preview picture appears on TV Set
iii) Push Camera Down
3) RS-232C Command
RS-232C COMMAND
CMDDATAID
Ai0023Camera Function Start.
Ai0024Camera Function End.
Explanation
5.5. V-COM Adjust
(*) ONLY FOR GP2 2010year model. GP3 LW Series
[2011year] spec out !
5.6. Adjustment White balance
5.6.1. Overview
▪ 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.
[ Test condition ]
Temperature : 20 ± 5ºC
Heat run mode : Vivid
Measurement mode : Adjust > White Balance mode
Measurement Point : center
Measurement Device : CA-210 / CA-310
Heat run time : continue 24 hours(for new-born module)
2 hours(for module UTT is over 24 hrs)
[ Spec]
- Color coordinate x, y ± 0.015 (after 24 hours aging)
- Color coordinate x ± 0.020, y ± 0.030 (within 24 hours aging)
5.6.2. Equipment
1) Color Analyzer: CA-210 (LED Module : CH 14)
2) Adj. Computer (During auto adj., RS-232C protocol is
needed)
3) Adjust Remocon
4) Video Signal Generator MSPG-925F 720p/216-Gray
(Model:217, Pattern:78)
-> Only when internal pattern is not available
※ Color Analyzer Matrix should be calibrated using CS-1000
5.6.3. Equipment connection MAP
5.6.4. Adj. Command (Protocol)
<Command Format>
START 6E A 50 A LEN A 03 A CMD A 00 A VAL A CS
A STOP
- LEN: Number of Data Byte to be sent
- CMD : Command
- VAL : FOS Data value
- CS : Checksum of sent data
- A : Acknowledge
Ex) [Send: JA_00_DD] / [Ack: A_00_okDDX]
1) RS-232C Command used during auto-adj.
RS-232C COMMAND
CMDDATAID
wb0000Begin White Balance adj.
wb0010Gain adj.(internal white pattern)
wb001fGain adj. completed
wb0020Offset adj.(internal white pattern)
wb002fOffset adj. completed
wb00ffEnd White Balance adj.
(internal pattern disappears )
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(endc)) -> Off-set adj.
wb 00 ff -> End white balance auto adj.
2) Adjustment Map
(Applied Model : LJ53H Chassis ALL MODELS)
5.6.5.1. Auto WB calibration
(1) Set TV in adj. mode using POWER ONNY key
(2) Zero calibrate probe then place it on the center of the
Display
(3) Connect Cable (RS-232C to USB)
(4) Select mode in adj. Program and begin adj.
(5) When adj. is complete (OK Sign), check adj. status pre
mode(Warm, Medium, Cool)
(6) Remove probe and RS-232C to USB 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
5.6.6. Reference (White Balance Adj. coordinate and
color temperature)
▪ Luminance: 206 Gray
▪ Standard color coordinate and temperature using CS-1000
(over 26 inch)
Mode
Cool0.2710.27013000K0.0000
Medium0.2860.2899300K0.0000
Warm0.3130.3296500K0.0000
Coordinate
XY
Temp△uv
5.6.5.2. 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 -> 7. White-
Balance then press the cursor to the right (KEY►).
(When KEY(►) is pressed 216 Gray 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.
** G-fix adjustment
Adjust modes (Cool), Fix the G gain to 172 (default data) and
change the others (G/B Gain).
Adjust two modes(Medium / Warm), Fix the one of R/G/B gain
to 192 (default data) and decrease the others.
▪ If internal pattern is not available, use RF input. In EZ Adj.
menu 7.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 216 Gray pattern.
▪ 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
- PDP : Color Analyzer (CA-100, CA-100+, CA210) probe
should be firmly attached to the Module
- LCD : Color Analyzer (CA-210) probe should be within 10cm
and perpendicular of the module surface (90+/-2.5°)
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.
▪ Standard color coordinate and temperature using CA-210
(CH 14)
Mode
Cool0.271±0.0020.270±0.00213000K0.0000
Medium0.286±0.0020.289±0.0029300K0.0000
Warm0.313±0.0020.329±0.0026500K0.0000
Coordinate
XY
Temp△uv
5.6.7. EDGE & IOL LED White balance table(TBD)
▪ Edge & ALEF LED module change color coordinate because
of aging time
▪ apply under the color coordinate table, for compensated
aging time
(Normal line) Edge & ALEF LED White balance table
-gumi & Global
Model : (normal line) - UF85,UF77,UF69, UF68, UF64
(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 lower
than that of TV set, it didn’t work. Otherwise USB data is
automatically detected.
(3) Show the message “Copying files from memory”
(4) Updating is staring
(5) Updating Completed, The TV will restart automatically
(6) If your TV is turned on, check your updated version and
Tool option.
* 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, TOOL OPTION setting is needed 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.)
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.
Value Mode Description
4’b1000 SB51_ExtSPI 51 boot from SPI
4’b1001 HEMCU_ExtSPI ARM boot from SPI
4’b1010 HEMCU_ROM_EMMC ARM boot from ROM; outer storage is eMMC
4’b1011 HEMCU_ROM_NAND ARM boot from ROM; outer storage is NAND
4’b1100 DBUS for test only
4’b0000 SB51_ExtSPI + Authentication 51 boot from SPI with ARM authentication
4’b0001 SB51_ExtSPI + Authentication HEMCU_ExtSPI + Authentication
4’b0011 HEMCU_ROM_NAND + Authentication ARM boot from ROM with authentication;
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
11/05/31
+3.3V_NORMAL
+1.8V
GND JIG POINT
OPT
L222
PZ1608U121-2R0TF
2A
L223
PZ1608U121-2R0TF
2A
JP202
JP204
JP203
JP205
VDDP_NAND
C302
10uF
10V
C304
0.1uF
L203
PZ1608U121-2R0TF
2A
L212
PZ1608U121-2R0TF
2A
LM15U POWER
Close to chip side
AVDD33
C217
10uF
10V
C238 0.1uF
C244 0.1uF
AVDD_AU33
0.1uF
C236
10uF
10V
C243
LM15U
0.1uF
C252
Close to chip side
4th layer
0.1uF
C251
C211
Close to chip side
4th layer
0.1uF
OPT
C253
Close to chip side
0.47uF
2014-08-26
02
IC100
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Close to Main soc
LM15U
MAIN4_EXT_IN/OUTPUT
2014-11-20
04
AF33
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
LM15U_GND
2014-1-21
05
CI Region
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
R921
10K
100
IN
EN
AP2151WG-7
5
CI_SLOT
4
IC901
CI_DATA[0-7]
EB_DATA[0-7]
+5V_CI_ON
OUT
1
GND
2
FLG
3
C906
1uF
25V
CI_SLOT
R923
10K
CI_SLOT
LM15U
PCMCI
2014-10-17
9
+3.5V_ST
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
R2301
1
RL_ON
+3.5V_ST
Digital Power B/D
R2300
10K
L2301
UBW2012-121F
C2302
0.1uF
16V
O
+12V
10K
C2304
0.1uF
50V
40 ~ 65
70 ~ 79
2
3
PWM_DIM
UBW2012-121F
UBW2012-121F
2
Q23002N3906S-RTK
KEC_RL_ON_TR
L2302
L2303
24 PININCH
NC
GNDX
’15 UHD POWER
+3.3V - eMMC
+3.3V_NORMAL
3.3V_EMMC
L2304
PZ1608U121-2R0TF
C2308
C2309
0.1uF
22uF
16V
10V
+1.8V - LM15U, eMMC
& Vx1 pull-up
+3.3V_NORMAL
1
3
OS MODULE
L/D_CLK
L/D_DI
NXP_RL_ON_TR
Q2300-*1 MMBT3906(NXP)
100
R2304
22 PIN
GND
24V
+1.8V
PZ1608U121-2R0TF
L2305
OS MODULE
SMA W200 -H28 S5K[ MIRR OR]
P23 01
PWR _ON
1
1
PDI M#1
3
3
3.5 V
5
5
3.5 V
7
7
GND
9
9
12V
11
11
12V
13
13
12V
15
15
GND
17
17
24V
19
19
24V
21
2122
GND
23
2324
L/D _CLK
25
L/D _DI
27
DVDD18_EMMC
C2307
0.1uF
16V
LGE MODULE
SMA W200 -H24 S5[M IRRO R]
P23 00
INV _CTL
2
2
PDI M#2
4
4
GND
6
6
3.5 V
8
8
GND
10
10
12V
12
12
12V
14
14
GND
16
16
24V
18
18
24V
20
20
GND or 24V
22
NC or G ND
24
GND
26
L/D _VSY NC
28
25
29
.
C2312
22uF
10V
+1.8V
R2311 100
R2313
NON_DIGITAL_POWER_B/D
UBW2012-121F
UBW2012-121F
UBW2012-121F
DIGITAL_POWER_B/D
L2315
UBW2012-121F
L2316
UBW2012-121F
NON_DIGITAL_POWER_B/D
+3.3V_NORMAL
100
L2317
L2307
L2308
OS MODULE
L/D_VSYNC
+3.3V_NORMAL
R2314
1K
+12V
C2316
10uF
16V
LD2300
3.3V_LED
R23 15
3.3 K
3.3V_LED
INV_CTL
C2319
0.1uF
PWM_DIM2
50V
C2317
10uF
16V
+24V
C2318
10uF
16V
+12V
L2321
MLB-201209-0120P-N2
PANEL_CTL
+12V
L2309
PZ1608U121-2R0TF
C2324
C2322
0.1uF
10uF
16V
1.0V_DCDC_TI
C2332-*1
3300pF
50V
Switching freq: 700K
PANEL_POWER
L2322
MLB-201209-0120P-N2
R2328
10K
C2330
0.1uF
25V
C2331
0.01uF
50V
R2329
R2331
C23 27
10u F
25V
OPT
C2371
10uF
10V
DDR +1.5V
R2321
R2320
C2325
100pF
50V
4.7K
18K
1%
1%
R2322
22K
1%
R2
Vout=0.765*(1+R1/R2)=1.554V
R1
10K
1.8K
B
OPT
OPT
C2335
C2367
10uF
10uF
25V
25V
C
Q2321
2N3904S
KEC_PANEL_CTL_TR
E
C
B
E
ROHM_BD9D321_1.5V_DDR_DCDC
R2326
10K
VREG
C2328
C2332
1uF
2200pF
10V
50V
1.0V_DCDC_ROHM
OPT
C2315
1uF
25V
Q2321-*1
MMBT3904(NXP)
NXP_PANEL_CTL_TR
POWER_ON/OFF2_3
IC2303
BD9D321EFJ
EN
1
FB
2
THERMAL
3
SS
4
3A
9
AOS_PANEL_POWER_FET
IC2309
AO4447A
S_1
1
S_2
2
S_3
3
G
4
C2368
10uF
25V
OPT
[EP]
VIN
8
BOOT
7
SW
6
GND
5
8
7
6
5
D_4
D_3
D_2
D_1
0.1uF
C2336
R2359
2K
OPT
16V
L2312
2.2uH
PS064T-2R2MS
TYP 6000mA
R2360
2K
OPT
S_1
S_2
S_3
+1.5V_DDR
C2338
22uF
10V
C23 69
10u F
25V
OPT
ROHM_PANEL_POWER_FET
IC2309-*1
RRH140P03TB
1
2
3
4G5
C2339
22uF
10V
PANEL_VCC
D_4
8
D_3
7
D_2
6
D_1
VREG5
DCDC_DIODE
C2370
0.1uF
25V
TI_TPS54327_1.5V_DDR_DCDC
IC2303-*1
TPS54327DDAR
EN
1
VFB
9
2
THERMAL
3
SS
4
ZD2302
2.5V
RESET_IC_DIODES
IC2307-*1
Power_DET
+12V
PD_+12V
R2335
2.7K
1%
PD_+12V
R2336
1.2K
1%
PD_UHD_24V
R2340-*2
9.1K
1%
PD_UHD_24V
R2341-*2
1.6K
1%
PD_20V
R2340-*1
5.6K
1%
PD_20V
R2341-*1
1.3K
1%
+24V
+3.5V_ST
PD_24V
R2340
8.2K
1%
PD_24V
R2341
1.5K
1%
PD_+3.5V
R2343
0
5%
C2350
0.1uF
16V
C2351
0.1uF
16V
PD_20_24V
R2349
100K
RESET_IC_ROHM
IC2307
BD48K28G
VDD
3
PD_20_24V
R2348
100K
PD_20_24V_ROHM
IC2308
BD48K28G
VDD
3
+3.5V_ST
R2354
10K
OPT
VOUT
2
1
GND
R2355
0
PWR_DET_MERGE
R2356
VOUT
2
1
GND
0
PWR_DET_SEPARATE
ST_3.5V-->3.5V
APX803D29
RESET
2
1
PD_20_24V_DIODES
IC2308-*1
APX803D29
RESET
2
1
POWER_DET
C2364
0.1uF
16V
not to RESET
at 8kV ESD
C2365
0.1uF
PWR_DET_SEPARATE
16V
POWER_DET_1
24V-->3.48V
20V-->3.51V
12V-->3.58V
VCC
3
GND
VCC
3
GND
+5.0V normal & USB
C2347
OPT
2200pF
C2349
22SS23FB24
21
20
19
18
17
16
15
14
NFAULT2
/USB_OCD1
C2352
100pF
0.047uF
50V
25V
LX_3
LX_2
LX_1
BST
SW_IN2
SW_IN1
NFAULT1
Vout=0.6*(1+R1/R2)
5.1V:R1-51K, R2-6.8K
R23 39 1 6K 1 %
R23 4215 0K 1%
RSET2
27
IC2305
6A
9EN10
SW_OUT211SW_OUT1
+5V_USB_1
POWER_ON/OFF1
50V
R2344
10K
COMP25RLIM26RSET1
12
SW_EN213SW_EN1
USB_CTL1
+5V_USB_2
USB_CTL2
+24V
[EP]GND
VIN
8
VBST
7
SW
6
GND
5
L2314
120-ohm
C2340
10uF
35V
OPT
C2341
10uF
35V
VIN_1
VIN_2
VIN_3
C2344
0.1uF
50V
PGND_1
PGND_2
PGND_3
1uF
25V
C23 43
C2346
0.0068uF
R23 37 1 6K 1%
[EP]
AGND
28
1
THERMAL
2
29
3
4
SN1302001(TPS65286RHDR)
5
6
V7V
7
8
MODE/SYNC
50V
10K
R2338
C2357
82pF
5%
50V
L2313
4.7uH
C2355
0.047uF
25V
100K
R2350
R2
1%
R1
1%
1/16W
R2353
/USB_OCD2
1/16W
1/16W
1/16W
6.8K
51K
5%
R2351
R2352
100K
C2359
22uF
10V
C2360
1uF
10V
C2362
22uF
10V
C2363
10uF
10V
ZD2304
DCDC_DIODE
+5V_NORMAL
L2300
BLM18PG121SN1D
Placed on SMD-TOP
C2300
C2301
10uF
10uF
16V
16V
+12V
C2303
0.1uF
16V
OPT
IC2301
AZ1117EH-ADJTRG1
OUTIN
ADJ/GND
+3.3V_NORMAL
IC2302
BD86106EFJ
EAN62653301
PGND
VIN
AGND
[EP]
SW_2
1
8
SW_1
9
2
7
THERMAL
EN
3
6
FB
COMP
4
5
6A
R2302
C2305
0.1uF
16V
C2306
0.0068uF
50V
20K
R2303
10K
Vout=0.8*(1+R1/R2)
1%
1/16W
1%
1/16W
L2306
2uH
OPT
POWER_ON/OFF2_1
C2313
10uF
10V
75
33
R2307
R2308
C2314
10uF
10V
R2309
1
C2310
10uF
10V
C2342
100uF
C2311
10uF
10V
OPT
C2345
10uF
10V
MAX 2.7A
2.5V
ZD2303
DCDC_DIODE
+1.1V or +1.15V _CPU CORE
+1.1V_VDDC_CPU
+12V
L2310
PZ1608U121-2R0TF
MAX A
+3.3V_NORMAL
OPT
OPT
C2348
10uF
47pF
50V
10V
R2305
1.5K
1%C2358
R2306
30K
1%
R2310
10K
1%
R1
R2
ZD2300
DCDC_DIODE
Placed on SMD-TOP
C2323
C2321
C2320
10uF
16V
10uF
16V
0.1uF
16V
OPT
Vout=0.8*(1+R1/R2)
R1:15K/R2:56K, V=1.00V(CPU_VID0=L,CPU_VID1=L) Voltage drop 0.01V
R1:15K/R2:56K//240K, V=1.05V(CPU_VID0=H,CPU_VID1=L) Voltage drop 0.01V
R1:15K/R2:56K//240K, V=1.05V(CPU_VID0=L,CPU_VID1=H) Voltage drop 0.01V
R1:15K/R2:56K//240K//240K, V=1.10V(CPU_VID0=H,CPU_VID1=H) Voltage drop 0.01V
PGND
VIN
AGND
FB
IC2300
BD86106EFJ
EAN62653301
1
2
THERMAL
3
4
6A
L2311
C2329
0.0068uF
50V
R2325
10K
2uH
OPT
C2353
C2333
10uF
10uF
10V
10V
POWER_ON/OFF2_4
C2334
100uF
+3.3V_NORMAL
R2312
10K
CPU_VID0
D
Q2301-*1
G
2N7002K
S
DIODEDS_CPU_CORE_VID_FET
OPT
C2354
10uF
10V
R2316
0 5%
OPT
C2356
10uF
10V
R2-1.13V
R2317
20K
1%
R2318
200K
1%
G
C2337
47pF
50V
D
CPU_VID1
S
2N7002KA
Q2301
KEC_CPU_CORE_VID_FET
R2-1.13V
+3.3V_NORMAL
R2319
10K
R2323
0 5%
D
Q2302-*1
G
2N7002K
S
DIODEDS_CPU_CORE_VID_FET
R2327
20K
1%
R2330
200K
1%
G
D
R2-1.1V
S
2N7002KA
Q2302
KEC_CPU_CORE_VID_FET
R2332
15K
1%
R2333
13K
1%
R2334
43K
1%
R1
R2
5V
ZD2301
DCDC_DIODE
[EP]
SW_2
8
SW_1
9
7
EN
6
R2324
6.8K
COMP
5
C2326
0.1uF
16V
LM15 Power SEQUENCE
POWER_ON/OFF1(5V)
POWER_ON/OFF2_1(3.3V)
POWER_ON/OFF2_3(1.5V, 2.5V)
POWER_ON/OFF2_4(1.1V)
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
LM15U_PWR_1_UHD
2014-00-01
07
CORE_VID1
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
+3.3V_NORMAL
R2516
10K
R2517
0 5%
POWER_ON/OFF2_4
OPT
C2500
0.1uF
16V
R2-3
R25 18
120 K
1%
1/1 6W
D
G
S
D
G
S
+1.1V or +1.15V _CORE
R2507
1K
R1
1%
R2
1/1 6W
1%
30K
R25 19
CORE_VID0
2N7002KA
Q2501
KEC_CORE_DCDC_FET
Q2501-*1
2N7002K
DIODES_CORE_DCDC_FET
+3.3V_NORMAL
R2500
10K
R2501
0 5%
R2-2
R25 02
120 K
1%
1/1 6W
G
D
Q2500-*1
G
2N7002K
DIODES_CORE_DCDC_FET
S
1/1 6W
30K
D
S
1/1 6W
R2505
12K
12K
R25 06
1%
R25 03
2N7002KA
Q2500
KEC_CORE_DCDC_FET
13K
R25 04
1/16W
1%
1/1 6W
1%
C2501
1uF
10V
R2-1
C2502
0.033uF
50V
R2508
100K
1/16W
1%
R2510
100
1/16W
IC2501
MP8762HGLE-Z
EN
1
FREQ
2
FB
3
SS
4
AGND
5
10A
PG
6
VCC
7
BST
8
R2509
33
1/16W
5%
1%
16
15
14
13
12
11
10
9
C2503
0.1uF
16V
SW_2
SW_1
IN_2
PGND_4
PGND_3
PGND_2
PGND_1
IN_1
1%
1/16W
R2512
220K
1/10W
5%
430K
R2511
LPBN8050T-1R0N
L2500
1.0uH
C2504
10uF
25V
C2506
330pF
50V
C2505
10uF
25V
C2507
22uF
10V
C2508
22uF
10V
L2501
+1.1V_VDDC
C2509
22uF
10V
DCDC_DIODE
+12V
2.5V
ZD2500
Vout=0.611*(1+R1/R2)
R1:13K/R2:22K, V=0.95V(CORE_VID0=L,CORE_VID1=L) Voltage drop 0.02V
R1:13K/R2:22K//150K, V=1.00V(CORE_VID0=H,CORE_VID1=L) Voltage drop 0.02V
R1:13K/R2:22K//150K, V=1.00V(CORE_VID0=L,CORE_VID1=H) Voltage drop 0.02V
R1:13K/R2:22K//150K//150K, V=1.05V(CORE_VID0=H,CORE_VID1=H) Voltage drop 0.02V
MAX 7A
POWER_ON/OFF2_3
+3.3V_NORMAL
TU_JP
C2510
0.1uF
16V
+2.5V
TU_JP/EU_UF77_ESD
R2513
10K
TU_JP/EU_UF77_ESD
TU_JP
IC2502
TJ4220GDP-ADJ
C2512
0.1uF
NC_1
VIN3
1
2
EN2
3
4
NC4
9
THERMAL
2A
EAN62206201
8
7
6
5
Vout=0.6*(1+R1/R2)
[EP]GND
GND
ADJ/SENSE
VOUT
NC_2
TU_JP
R2514
R25 15
22K
R2
R1
TU_JP
47K
C2513
10uF
10V
+2.5V_Normal
TU_JP
OPT
5V
ZD2501
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
LM15U_PWR_2_ALL
2014-11-26
25
Renesas MICOM
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
0
NON LOGO
LCD
P147/ANI18
P17/TI02/TO02
1
LOGO
OLED
H15
P51/INTP2/SO11
P50/INTP1/SI11/SDA11
P16/TI01/TO01/INTP5
POWER_DET
WOL_WAKE_UP
POWER_ON/OFF1
LM15U : Active high reset
P13/TXD2/SO20
P10/SCK00/SCL00
P14/RXD2/SI20/SDA20
P12/SO00/TXD0/TOOLTXD
P15/PCLBUZ1/SCK20/SCL20
P11/SI00/RXD0/TOOLRXD/SDA00
LED_R
LED_R
WOL_CTL
SOC_RESET
INV_CTL
R3015
10K
MICOM_LM15U
SOC_TX
SOC_RX
EDID_WP
AMP_MUTE
URSA_RESET_MICOM
URSA_RESET_MICOM
CEC_REMOTE
LM15U
MICOM
D3000
BAT54_SUZHO
S
For CEC
R3033
27K
G
Q3001-*1
SI1012CR-T1-GE3
D
VISHAY_CEC_FET
+3.5V_ST
G
D
S
Q3001
RUE003N02
ROHM_CEC_FET
R3034
120K
HDMI_CEC_MICOM
2014-12-30
30
BODY_SHIELD
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
FOOSUNG_HDMI_JACK
BODY_SHIELD
FOOSUNG_HDMI_JACK
MHL
+5V_NORMAL
20
19
HOT_PLUG_DETECT
18
VDD[+5V]
17
DDC/CEC_GND
16
SDA
15
SCL
14
RESERVED
13
CEC
12
TMDS_CLK-
11
TMDS_CLK_SHIELD
10
TMDS_CLK+
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
7
TMDS_DATA0+
6
TMDS_DATA1-
5
TMDS_DATA1_SHIELD
4
TMDS_DATA1+
3
TMDS_DATA2-
2
TMDS_DATA2_SHIELD
1
TMDS_DATA2+
DAADR019A
JK3301
20
19
HOT_PLUG_DETECT
18
VDD[+5V]
17
DDC/CEC_GND
16
SDA
15
SCL
14
RESERVED
13
CEC
12
TMDS_CLK-
11
TMDS_CLK_SHIELD
10
TMDS_CLK+
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
7
TMDS_DATA0+
6
TMDS_DATA1-
5
TMDS_DATA1_SHIELD
4
TMDS_DATA1+
3
TMDS_DATA2-
2
TMDS_DATA2_SHIELD
1
TMDS_DATA2+
DAADR019A
JK3300
L3300
PZ1608U121-2R0TF
MHL
5V_MHL
5V_HDMI_1
MHL
C3300
0.1uF
16V
VA3300
5V_HDMI_2
HDMI_ARC
CEC_REMOTE
ESD_HDMI
VA3302
ESD_HDMI
CEC_REMOTE
VA3301
ESD_HDMI
Q3300
2N3904S
R3300
100K
KEC_HDMI_HPD_3_TR
Q3300-*1
MMBT3904(NXP)
NXP_HDMI_HPD_3_TR
R3301
100K
MMBT3904(NXP)
VA3303
NXP_HDMI_HPD_2_TR
ESD_HDMI
5V_MHL
MHL
MHL_DET_LM15
R3302
R3337
1K
33
C
OPT
1K
B
R3303
E
C
E
D3302
RCLAMP7534P
OPT
1
5
2
4
3
D3303
RCLAMP7534P
OPT
1
5
2
4
3
R3304
1K
C
Q3301
2N3904S
E
KEC_HDMI_HPD_2_TR
C
Q3301-*1
E
D3301
RCLAMP7534P
OPT
1
5
2
4
3
D3300
RCLAMP7534P
OPT
1
5
2
4
3
C3301
ZD3300
0.1uF
5V
OPT
16V
R3305
4.7K
NON_HDMI_EXT_EDID
B
ESD_HDMI
OPT
R3338
33
R3306
1K
B
B
R3339
4.7K
HDMI_EXT_EDID
VA3304
CK-_HDMI1
CK+_HDMI1
D0-_HDMI1
D0+_HDMI1
D1-_HDMI1
D1+_HDMI1
D2-_HDMI1
D2+_HDMI1
R3308
1.8K
R3307
4.7K
HDMI_HPD_2
VA3305
ESD_HDMI
CK-_HDMI2
CK+_HDMI2
D0-_HDMI2
D0+_HDMI2
D1-_HDMI2
D1+_HDMI2
D2-_HDMI2
D2+_HDMI2
Current Limit
IC3300
TPS2553DBV
IN
1
MHL
GND
2
EN
3
/MHL_OCP
R3309
1.8K
HDMI_HPD_1
R3329
33
ESD_HDMI
R333033
VA3306
DDC_SDA_1
DDC_SCL_1
5V_DET_HDMI_2
R3310
3.3K
R333133
R333233
VA3307
ESD_HDMI
HDMI2 with ARC
OUT
6
5
4
ILIM
FAULT
MHL
R3311
1%
20K
5V_DET_HDMI_1
R3312
3.3K
HDMI3
DDC_SDA_2
DDC_SCL_2
MHL
L3301
BLM31PG500SN1
50-ohm
D3304
30V
OPT
R3313
100K
MHL
/MHL_OCP
5V_HDMI_3
MHL
C3302
10uF
10V
TMDS_DATA2_SHIELD
TMDS_DATA1_SHIELD
TMDS_DATA0_SHIELD
TMDS_CLK_SHIELD
HOT_PLUG_DETECT
VA3313
ESD_5V_HDMI_3
TMDS_DATA2+
TMDS_DATA2-
TMDS_DATA1+
TMDS_DATA1-
TMDS_DATA0+
TMDS_DATA0-
TMDS_CLK+
TMDS_CLK-
RESERVED
DDC/CEC_GND
VDD[+5V]
CNPLUS_HDMI_JACK
JK3300-*1
5501-56219
1
2
3
4
5
6
7
8
9
10
11
12
CEC
13
14
SCL
15
SDA
16
17
18
19
20
BODY_SHIELD
TMDS_DATA2+
TMDS_DATA2_SHIELD
TMDS_DATA2-
TMDS_DATA1+
TMDS_DATA1_SHIELD
TMDS_DATA1-
TMDS_DATA0+
TMDS_DATA0_SHIELD
TMDS_DATA0-
TMDS_CLK+
TMDS_CLK_SHIELD
TMDS_CLK-
RESERVED
DDC/CEC_GND
VDD[+5V]
HOT_PLUG_DETECT
CNPLUS_HDMI_JACK
JK3301-*1
5501-56219
1
2
3
4
5
6
7
8
9
10
11
12
CEC
13
14
SCL
15
SDA
16
17
18
19
20
BODY_SHIELD
TMDS_DATA2+
TMDS_DATA2_SHIELD
TMDS_DATA2-
TMDS_DATA1+
TMDS_DATA1_SHIELD
TMDS_DATA1-
TMDS_DATA0+
TMDS_DATA0_SHIELD
TMDS_DATA0-
TMDS_CLK+
TMDS_CLK_SHIELD
TMDS_CLK-
RESERVED
DDC/CEC_GND
VDD[+5V]
HOT_PLUG_DETECT
CNPLUS_HDMI_JACK
JK3302-*1
5501-56219
1
2
3
4
5
6
7
8
9
10
11
12
CEC
13
14
SCL
15
SDA
16
17
18
19
20
BODY_SHIELD
BODY_SHIELD
20
19
HOT_PLUG_DETECT
18
VDD[+5V]
17
DDC/CEC_GND
16
SDA
15
SCL
14
RESERVED
13
CEC
12
TMDS_CLK-
11
TMDS_CLK_SHIELD
10
TMDS_CLK+
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
7
TMDS_DATA0+
6
TMDS_DATA1-
5
TMDS_DATA1_SHIELD
4
TMDS_DATA1+
3
TMDS_DATA2-
2
TMDS_DATA2_SHIELD
1
TMDS_DATA2+
DAADR019A
JK3302
FOOSUNG_HDMI_JACK
EDID external EEPROM
MMBT3904(NXP)
E
Q3302-*1
C
NXP_HDMI_EXT_EDID_TR
A0
A1
A2
GND
B
ROHM_HDMI_EXT_EDID
IC3301
BR24G02FJ-3GTE2
1
2
3
4
8
7
6
5
DDC pull-up
5V_HDMI_2
AR3302
47K
1/16W
5V_HDMI_3
VA3308
ESD_HDMI
VA3312
ESD_HDMI
CEC_REMOTE
R3314
0
NON_MHL
KEC_HDMI_EXT_EDID_TR
2N3904S
VCC
WP
SCL
SDA
+5V_NORMAL
A2CA1
MMBD6100
D3305
DDC_SDA_2
DDC_SCL_2
R3315
100K
VA3309
ESD_HDMI
VA3310
5.6V
Q3302
5V_DET_HDMI_3
MHL
R3325
0
C
E
AR3 304
47K
R3324
1.8K
Q3303
2N3904S
KEC_MHL_TR
Q3303-*1
MMBT3904(NXP)
NXP_MHL_TR
5V_HDMI_1
+3.5V_ST
MHL
DDC_SDA_3
DDC_SCL_3
R3335
+3.5V_ST
MHL
R3326
10K
MHL
R3327
10K
B
C
B
E
R3328
NON_MHL
HDMI1 with MHL
+5V_NORMAL
A1
A2
MMBD6100
D3309
C
AR3305
1/16W
47K
A1
A2
MMBD6100
D3310
C
3.3K
10K
E
C
2N3906S-RTK
Q3304
KEC_MHL_TR
EDID_WP
DDC_SCL_1
DDC_SDA_1
C
Q3304-*1
B
MMBT3906(NXP)
NXP_MHL_TR
E
MHL_DET_LM15
ATMEL_HDMI_EXT_EDID
IC3301-*1
AT24C02C-SSHM-T
A0
1
A1
2
A2
3
GND
4
VCC
8
WP
7
SCL
6
SDA
5
OPT
R3316
R3336
1K
33
OPT
Q3305
2N3904S
C
E
VA3311
ESD_HDMI
R3318
1K
B
OPT
D3306
RCLAMP7534P
OPT
1
5
2
4
3
D3307
RCLAMP7534P
OPT
1
5
2
4
3
MHL
R3317
1K
C3303
0.1uF
16V
OPT
OPT
MHL
R333333
R333433
MHL
R3320
300K
MHL Spec
OPT
R3319
4.7K
HDMI_HPD_3
DDC_SDA_3
DDC_SCL_3
CK-_HDMI3
CK+_HDMI3
D0-_HDMI3
D0+_HDMI3
D1-_HDMI3
D1+_HDMI3
D2-_HDMI3
D2+_HDMI3
B
E
B
C
HDMI_EXT_EDID
R3323
4.7K
R3321
22
HDMI_EXT_EDID
R3322
22
HDMI_EXT_EDID
5V_HDMI_3
+5V_NORMAL
A2CA1
MMBD6100
D3308
1/1 6W
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
HDMI
2014-11-04
10
AV/COMPONENT REAR
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
VA3806
5.5V
Place JACK Side
C3822
150pF
OPT
MOLD_B/C_ESD
R3832-*1
3.3
1/10W
5%
1608 sizs For EMI/ESD
NON_MOLD_B/C_ESD
R3832
0
C3805
27pF
50V
OPT
C3806
100pF
50V
OPT
R3808751/4W
SIGN380008
C3811
47pF
1%
50V
R3830
0
R3831
0
AV1_CVBS_IN
COMP1_Y
SPDIF_OUT
SPDIF OUT
+3.3V_NORMAL
VA3807
C3800
5.5V
18pF
50V
OPT
C3818
0.1uF
R3801
+3.3V_NORMAL
R3807
10K
R3803
1K
VA3803
5.6V
470K
+3.3V_NORMAL
R3810
10K
VA3800
5.6V
AV1_CVBS_DET
R3802
1K
1608 sizs For EMI
R3805
0
C3801
560pF
50V
OPT
1608 sizs For EMI
R3806
0
C3802
560pF
50V
OPT
COMP1_DET
C3803
100pF
50V
OPT
C3804
100pF
50V
OPT
MOLD_B/C_ESD
R3811-*1
3.3
1/10W
5%
MOLD_B/C_ESD
R3809-*1
3.3
1/10W
5%
1608 sizs For EMI/ESD
1608 sizs For EMI/ESD
NON_MOLD_B/C_ESD
0
R3811
C3810
27pF
50V
OPT
NON_MOLD_B/C_ESD
1608 sizs For EMI/ESD
0
R3809
C3809
27pF
50V
FOR EMI
OPT
R3812
10K
C3807
1000pF
50V
OPT
R3813
10K
C3808
1000pF
50V
OPT
C3812
27pF
50V
OPT
C3813
27pF
50V
OPT
R3814
12K
R3815
12K
R3816
75
R3817
75
1%
1%
C3815
10pF
50V
C3814
10pF
50V
COMP1/AV1/DVI_L_IN
COMP1/AV1/DVI_R_IN
COMP1_Pb
COMP1_Pr
PPJ245N2-01
RS232C
JK3801
PEJ034-01
E_SPRING
R_SPRING
T_SPRING
B_TERMINAL2
T_TERMINAL2
3
4
5
7B
6B
TP3800
GND
Fiber Optic
1
VCC
2
VINPUT
16V
JK3800
JST1223-001
3
4
FIX_POLE
RIN1
DOUT1
DOUT1
TP3801
RIN1
JK3802
[GN/YL]E-LUG
6A
5A
[GN/YL]O-SPRING
4A
[GN/YL]CONTACT
5B
[BL]O-SPRING
7C
[RD1]E-LUG-S
5C
[RD1]O-SPRING
4C
[RD1]CONTACT
5D
[WH]O-SPRING
4E
[RD2]CONTACT
5E
[RD2]O-SPRING
6E
[RD2]E-LUG
VA3804
5.5V
VA3805
5.5V
VA3801
5.6V
R3800
470K
SIGN380006
VA3802
5.6V
HP OUT
PZ1608U121-2R0TF
HP_LOUT_AMP
PZ1608U121-2R0TF
HP_ROUT_AMP
L3800
L3801
C3816
0.22uF
25V
C3817
0.22uF
25V
R3818
150
1/10W
5%
R3819
150
1/10W
5%
HP_DET
R3822
100
1/16W
5%
+3.3V_NORMAL
R3823
10K
VA3808
5.6V
E_SPRING
R_SPRING
T_SPRING
B_TERMINAL2
T_TERMINAL2
PEJ034-01
3
4
5
7B
6B
JK3803
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
JACK_COMMON_H
2014-12-22
38
WIFI POWER ENABLE CONTROL
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
+3.5V_ST
WIFI_EN
C4100
0.1uF
R4101 33
R4100
10K
OPT
C4113
0.1uF
16V
IN
EN
IC4100
AP2191WG-7
5
4
+3.5V_WIFI
OUT
1
GND
2
FLG
3
R4119
10K
OPT
P4100
+3.5V_ST
SMAW200-H18S5
C4110
+3.5V_ST
22uF
10V
R4113
0
R4114
0
C4109
5pF
50V
UG87_EMS
C4111
0.1uF
WIFI_DM
WIFI_DP
C4112
0.1uF
R4115
10K
UG87_EMS
C4108
GND
NC
WOL
SDA
SCL
GND
IR
1
3
5
7
9
11
13
15
17
19
R4111
R4112
100
100
M_RFModule_RESET
WOL/WIFI_POWER_ON
EYE_SDA
EYE_SCL
IR
LOGO_LIGHT_WAFER
LED_R
IR
AR4101
LOGO_LIGHT
R41080
LED_R
R4109
1.8K
OPT
C4102
0.1uF
16V
100
R4110
10K
5%
C4103
0.1uF
C4104
0.1uF
+3.5V_ST
C4105
100pF
50V
BT_RESET
LED_R
2
4
6
8
10
12
14
16
18
GND
+3.5V_WOL
USB_DM
USB_DP
GND
GND
KEY1
KEY2
+3.5V_ST
GND
D4100
RCLAMP0502BA
0.1uF
Place Near Wafer
C4107
5pF
50V
C4106
1000pF
50V
WIFI_EMI
+3.5V_ST
R4116
1%
For UG87 EMS RS
10K
1%
+3.5V_WIFI
AR4102
100
KEY1
KEY2
Place Near Micom
LOGO_LIGHT
R4102
10K
LOGO_LIGHT
C4101
0.1uF
16V
LOGO_LIGHT
IC4101
AO-R123C7G-LG
GND
G
VS
V
OUT
O
IR_PROTO
1K
R4104
LOGO_LIGHT
R4103
330
IR_PROTO
LOGO_LIGHT
B
Q4100
MMBT3904(NXP)
1/16W
5%
IR_PROTO
LOGO_LIGHT
C
E
R4105471/10W
AR4100
33
1/16W
5%
SMD bottom -> Page 135
LOGO_LIGHT_WAFER
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
IR/KEY
2014-12-25
41
+5V_USB FOR USB3->USB1
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
/USB_OCD3
USB_CTL3
R4304
10K
+3.3V_NORMAL
R4305
4.7K
OCP USB3->USB1
+5V_NORMAL
C4300
0.1uF
16V
IC4300
BD2242G
VIN
1
GND
2
EN
3
+5V_USB_1
+5V_USB_3
USB_DM1
VOUT
6
ILIM
5
1%
OC
4
14K
R4306
USB_DP1
USB_DM2
USB_DP2
D4303
5V
D4301
+5V_USB_2
C4310
5V
10uF
C4322
10uF
10V
10V
USB1->USB3
USB_DM/DP_2.2ohm
R4300-*1
2.2
USB_DM/DP_2.2ohm
R4301-*1
2.2
USB_DM/DP_0ohm
R4300
0
USB_DM/DP_0ohm
R4301
0
C4323
22uF
10V
D4302
RCLAMP0502BA
USB_DM/DP_2.2ohm
R4302-*1
2.2
USB_DM/DP_2.2ohm
R4303-*1
2.2
USB_DM/DP_0ohm
R4302
0
USB_DM/DP_0ohm
R4303
0
C4311
22uF
10V
D4300
RCLAMP0502BA
MAX 1.0A
USB2
MAX 1.0A
1234
JK4302
USB DOWN STREAMUSB DOWN STREAM
3AU04S-305-ZC-(LG)
5
1234
JK4300
3AU04S-305-ZC-(LG)
5
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
USB_DM3
USB_DP3
SSUSB_RXP
SSUSB_RXN
SSUSB_TXP
SSUSB_TXN
USB3.0_TVS
D4304
RCLAMP0544T.TCT
6.5VTO11.0V
18
27
36
45
9
USB3.0_TVS
D4305
RCLAMP0544T.TCT
6.5VTO11.0V
18
27
36
45
9
C4312
22uF
10V
C4313
10uF
10V
ZD4302
5V
+5V_USB_3
USB3->USB1 (3.0)
MAX 1.2A
JK4301
SJ113262
VBUS
1
D-
2
D+
3
GND
4
STDA_SSRX-
STDA_SSRX+
STDA_SSTX-
STDA_SSTX+
GND_DRAIN
5
6
7
8
9
10
SHIELD
LM15U
USB3_HUB
2014-12-10
43
AV2
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
JK4601
PPJ231-01
4
5
7
8
6
Full Scart
EU
AV2
0
R4618
PSC008-01
JK4600
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
AV_DET
COM_GND
SYNC_IN
SYNC_OUT
SYNC_GND2
SYNC_GND1
RGB_IO
R_OUT
RGB_GND
R_GND
D2B_OUT
G_OUT
D2B_IN
G_GND
ID
B_OUT
AUDIO_L_IN
B_GND
AUDIO_GND
AUDIO_L_OUT
AUDIO_R_IN
AUDIO_R_OUT
R4629
0
+3.3V_NORMAL
EU/AV2
CLOSE TO JUNCTION
R4601
10K
EU
R4602
100
SC_DET
AV2
EU/AV2
R4630
L4600
L4601
EU/AV2
R4600
470K
EU/AV2
R4603
470K
C4602
4700pF
C4603
4700pF
EU
C4604
0.1uF
1%
EU
75
R4604
SIGN460006
EU/AV2
R4605
10K
EU/AV2
R4606
10K
EU
100
AV2_CVBS_DET
C4605
47pF
50V
C4606
68pF
50V
SC_CVBS_IN
EU
R4615
0
EU
EU
R4614
22
EU
R4616
15K
SC_L_IN
SC_R_IN
DTV/MNT_V_OUT
OPT
C4607
68pF
50V
SC_FB
SC_R
SC_G
SC_B
R4617
3.9K
SC_ID
OPT
75
1/4W
EU/AV2
R460 7
EU
R4610
75
EU
R4608
75
EU
R4611
75
EU
R4609
75
R4612
12K
EU/AV2
R4613
12K
EU/AV2
DTV/MNT_L_OUT
DTV/MNT_R_OUT
VA4601
5.6V
EU/AV2
VA4609
5.5V
EU/AV2
VA4610
5.5V
EU
EU
VA4606
EU/AV2
VA4607
5.6V
5.6V
EU
VA4608
5.6V
VA4602
5.6V
EU
VA4603
5.5V
EU
VA4604
5.5V
EU
VA4605
5.5V
EU
VA4600
20V
EU
VA4611
5.6V
EU/AV2
EU
BLM18PG121SN1D
EU
C4600
1000pF
50V
EU
BLM18PG121SN1D
EU
EU
C4601
1000pF
50V
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SCART_JACK_H
LM15U
SCART JACK_H
2014-12-05
46
NEW_LAN_JACK_ESD
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
JK5000-*1
BS-RV30330
1
2
3
4
5
6
7
8
9
9
Ethernet Block
C5001
C5000
0.01uF
0.1uF
50V
16V
OLD_LAN_JACK
JK5000
RJ45VT-01SN002
1
2
3
4
5
6
7
8
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
VA5000
5.5V
VA5001
5.5V
VA5002
5.5V
VA5003
5.5V
EPHY_TDP
EPHY_TDN
EPHY_RDP
EPHY_RDN
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
LAN_H
2014-12-15
50
AUDIO AMP(NTP7515)
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
STM_AMP
2014-10-17
58
AMP - Woofer
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
I2S_WOOF_OUT
I2S_WOOF_OUT
SPK_L+_WF
SPK_L-_WF
4
3
2
2
1
1
FW25001-02(SPK 2P)
P5901
OPT
WAFER-ANGLE
BSD-14Y-UD-059-HD
+12V
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
EU
L6000
AUD_OUT >> EU/CHINA_HOTEL_OPT
330pF
C6009
EU
C6000
10uF
DTV/MNT_L_OUT
SCART_Lout
CLOSE TO MSTAR
Near Place Scart AMP
EU
R6019
EU
0
10K
1/16W
5%
R60 03
EU
R6018
EU
0
1/16W
10K
R6001
5%
EU
EU
R6000
2.2K
C6002
6800pF
SCART_AMP_R_FB
SCART_AMP_L_FB
OPT
220K
R6005
EU
OPT
R6002
470K
SCART_AMP_L_FB
EU
R6006
5.6K
EU
R6004 33K
C6003 33pF
EU
EU
R6020
0
1/16W
5%
IC6000
AZ4580MTR-E1
EU
VCC
8
OUT2
7
IN2-
6
IN2+
5
OPT
OPT
OUT1
1
IN1-
2
IN1+
3
VEE
4
R6007
100K
1/16W
5%
OPT
R6009
100K
1/16W
5%
OPT
R6012
100K
R6015
100K
SIGN600013
1/16W
5%
1/16W
5%
EU
C6004
0.1uF
50V
EU
R6008 33K
C6005
EU
EU
R6021
0
1/16W
5%
33pF
R6016
EU
5.6K
OPT
R6010
470K
SCART_AMP_R_FB
EU
R6017
220K
OPT
C6007
6800pF
C6012
330pF
EU
EU
C6008
R6011
2.2K
EU
10uF
DTV/MNT_R_OUT
SCART_Rout
[SCART AUDIO MUTE]
DTV/MNT_L_OUT
Q6000
MMBT3904(NXP)
DTV/MNT_R_OUT
Q6001
MMBT3904(NXP)
C
E
C
E
EU
R6013
1K
B
EU
EU
R6014
1K
B
EU
EU_SCART_MUTE_ISAHAYA
Q6002
RT1P141C-T112
E
C
B
EU_SCART_MUTE_NXP
SCART_MUTE
PDTA114ET
Q6002-*1
E
C
B
CLOSE TO MSTAR
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
UF71/7500
SCART AMP
2014-05-19
17
EARPHONE AMP
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
CN_DRA
C6100-*1
2.2uF
HP_ROUT_MAIN
R6107
0
OPT
HP_ROUT_AMP
SIDE_HP_MUTE
10V
C6100
1uF
10V
NON_CN_DRA
R6100
10K
C6104
18pF
R6103
+3.3V_NORMAL
43K
4.7K
R6105
IC6100
TPA6138A2
+INR
1
R6106
43K
1%
1%
C6108
10pF
50V
C6102
1uF
10V
-INR
OUTR
GND_1
MUTE
VSS
2
3
4
5
6
CN
7
C6103
1uF
10V
+INL
14
C6106
10pF
50V
R6104
43K
1%
-INL
13
OUTL
12
UVP
11
GND_2
10
VDD
9
CP
8
C6109
18pF
1%
R6102
43K
+3.3V_NORMAL
C6105
1uF
16V
10V
C6107
0.1uF
R6101
10K
C6101-*1
2.2uF
CN_DRA
10V
C6101
1uF
10V
NON_CN_DRA
OPT
R6108
0
HP_LOUT_MAIN
HP_LOUT_AMP
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
2015-01-22
HP_AMP61
B-CAS (SMART CARD) INTERFACE
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
SMARTCARD_PWR_SEL
TPO_DATA[1]
R6300 33
JAPAN
+3.3V_NORMAL
2.7K
R6301
R6303
JAPAN
OPT
R6302
R6304
OPT
2.7K
JAPAN
R6305
R6306
CLKDIV1 CLKDIV2 : F_CRD_CLK
2.7K
---------------------------- 1 0 CLKIN
JAPAN
+5V_NORMAL
OPT
BLM18PG121SN1D
JAPAN
L6300
SIGN630005
JAPAN
C6301
10uF
10V
C6302
0.1uF
INT CMDVCC : STATUS
+3.3V_NORMAL
IC6300
TDA8024TT
CLKDIV1
1
CLKDIV2
2
5V/3V
3
PGND
4
S2
5
VDDP
PRES
PRES
AUX2
AUX1
CGND
6
S1
7
VUP
I/O
JAPAN
8
9
10
11
12
13
14
JAPAN
C6303
0.1uF
16V
JAPAN
16V
AUX2UC
28
AUX1UC
27
I/OUC
26
XTAL2
25
XTAL1
24
OFF
23
GND
22
VDD
21
RSTIN
20
CMDVCC
19
PORADJ
18
VCC
17
RST
16
CLK
15
C6304
0.1uF
JAPAN
16V
R6307 33
R6308 33
R6309 33
R6310 33
JAPAN
JAPAN
JAPAN
JAPAN
JAPAN
R6311 33
Place CLK C3 far from C2,C7,C4 and C8
75 ohm in I/O is for short circuit Protection
OPT
JAPAN
R6317
1.2K
L6301
JAPAN
BLM18PG121SN1D
JAPAN
C6305
0.1uF
16V
JAPAN
JAPAN
R6318
1.2K
R6315
JAPAN
C6306
0.1uF
16V
+3.3V_NORMAL
10K
R6312
1.2K
JAPAN
R6313
75
OPT
R6319
1.2K
JAPAN
R6316
1.2K
+3.3V_NORMAL
JAPAN
C6307
0.33uF
16V
JAPAN
R6314
1K
ZD6300
5V
JAPAN
TPO_DATA[6]
TPO_DATA[5]
TPO_DATA[3]
TPO_DATA[4]
TPO_DATA[2]
10057542-1311FLF(B CAS Slot)
RESERVED_1
RESERVED
ZD6301
5V
JAPAN
VCC
RST
CLK
GND
VPP
I/O
SW1
SW2
SMARTCARD_DATA
SMARTCARD_CLK
SMARTCARD_DET
SMARTCARD_RST
SMARTCARD_VCC
B-CAS SLOT
P6300
C1
C2
C3
C4
C5
JAPAN
C6
C7
C8
S1
S2
-------------------------------- HIGH HIGH CARD PRESENT
LOW HIGH CARD not PRESENT
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
JAPAN B-CAS
2011.04.17
63
FE_DEMOD1_TS_ERROR
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
FE_DEMOD2_TS_ERROR
Global F/E Option Name
1. TU
2. Tuner Name = TDJ’H’,TDj’M’...
3. Country Name = KR,US,BR,EU ...
Example of Option name
TU_ALL_IntDemod = All Tuner type for Internal demod
TU_M/W = apply TDSM&TDSW Type Tuner
14’ Tuner Type for Global
TDJ’H’-G101D : Half NIM for EU,AJJA
TDJ’H’-H101F : Half NIM for US, KR
TDJ’K’-T101F : Half NIM for TW
TDJ’M’-C301D,F : FULL NIM for China
TDJ’M’-B101F : Brazil NIM with Isolater Type
TDJ’M’-K101F : colombia NIM
TDJ’M’-G101D,G105D,G151D : EU Combo&Full NIM
TDJ’M’-H101F,H151F : Korea PIP tuner
TDJ’W’-A151D : AJJA T2 PIP
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
TU_CIRCUIT
2014-12-30
65
TU_H_US
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
TU6705
TDJH-H301F
TU_H_BR
TU6701
TDJK-T301F
TU_H_T2_KR
TU6704
TDJM-H401F
TU_M_EU
TU6702
TDJM-G301D
TU_W_JP
TU6703
TDJW-J202F
TDJH-G301D
TU6705-*1
TDJH-G301D
+3.3V
1
NC_1
2
IF_AGC
3
SCL_RF
4
SDA_RF
5
IF[P]
6
IF[N]
7
SIF
8
CVBS
9
A1
A1
B1
B1
47
SHIELD
EMS Page --> Sheet : 135
A1
TU_GND_A
B1[+3.3V]
1
NC_1
2
NC_2
3
SCL_RF
4
SDA_RF
5
NC_3
6
NC_4
7
NC_5
8
NC_6
9
NC_7
10
B2[+3.3V]
11
NC_8
12
GND_1
13
M_RESET_DEMOD
25
B3[+3.3V]
26
SCL_DEMOD
27
B4[+1.2V]
28
NC_9
29
SDA_DEMOD
30
LNB
31
GND_2
32
NC_10
33
M_ERROR
34
GND_3
35
M_SYNC
36
M_MCLK
37
B5[+2.5V]
38
M_VALID
39
M_DATA
40
S_ERROR
41
S_SYNC
42
S_MCLK
43
S_VALID
44
S_RESET_DEMOD
45
S_DATA
46
B1
B1
TU_GND_B
+3.3V_LNA_TU
RF_SWITCH_CTL_TU
IF_AGC_TU
I2C_SCL5_TU
I2C_SDA5_TU
IF_P_TU
IF_N_TU
TU_SIF_TU
TU_CVBS_TU
+3.3V_TU
FE_DEMOD1_TS_ERROR
FE_DEMOD1_TS_CLK_1
FE_DEMOD1_TS_SYNC_1
FE_DEMOD1_TS_VAL_1
FE_DEMOD1_TS_DATA0_1
FE_DEMOD1_TS_DATA[1]
FE_DEMOD1_TS_DATA[2]
FE_DEMOD1_TS_DATA[3]
FE_DEMOD1_TS_DATA[4]
FE_DEMOD1_TS_DATA[5]
FE_DEMOD1_TS_DATA[6]
FE_DEMOD1_TS_DATA[7]
/TU_RESET1_TU
+3.3V_DEMOD_TU
I2C_SCL2_TU
D_Demod_Core
LNB_TX
I2C_SDA2_TU
LNB_OUT
FE_DEMOD2_TS_ERROR
FE_DEMOD2_TS_SYNC
FE_DEMOD2_TS_CLK
+2.5V_DEMOD
FE_DEMOD2_TS_VAL
FE_DEMOD2_TS_DATA
FE_DEMOD3_TS_ERROR
FE_DEMOD3_TS_SYNC
FE_DEMOD3_TS_CLK
FE_DEMOD3_TS_VAL
/TU_RESET2_TU
FE_DEMOD3_TS_DATA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
17
18
19
20
21
22
23
24
25
26
27
30
31
32
33
34
35
36
40
41
42
43
44
45
46
47
48
49
B1
TU_H_T2_CO
A1
1
2
3
4
5
6
7
8
9
47
+3.3V
NC
DIF_AGC
SCL_RF
SDA_RF
DIF[P]
DIF[N]
SIF
CVBS
B1
TU6704-*1
TDJM-K301F
+3.3V
1
NC_1
2
NC_2
3
SCL_RF
4
SDA_RF
5
NC_3
6
NC_4
7
SIF
8
CVBS
9
NC_5
10
+3.3V_RF
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VAILD
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
+3.3V_DEMOD
26
SCL_DEMOD
27
+1.2V_DEMOD
28
NC_6
29
SDA_DEMOD
30
B1B1A1
SHIELD
TU_GND_B
+3.3V
1
NC_1
2
NC_2
3
SCL_RF
4
SDA_RF
5
NC_3
6
NC_4
7
SIF
8
CVBS
9
NC_5
10
+3.3V_RF
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VAILD
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
+3.3V_DEMOD
26
SCL_DEMOD
27
+1.2V_DEMOD
28
NC_6
29
SDA_DEMOD
30
A1
A1
B1
B1
+3.3V
1
NC_1
2
AIF_AGC
3
SCL_RF
4
SDA_RF
5
AIF[P]
6
AIF[N]
7
SIF
8
CVBS
9
NC_2
10
+3.3V_RF
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VALID
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
+3.3V_DEMOD
26
SCL_DEMOD
27
+1.2V_DEMOD
28
NC_3
29
SDA_DEMOD
30
LNB
31
GND
32
+3.3V
1
NC_1
2
DIF_AGC
3
SCL_RF
4
SDA_RF
5
DIF[P]
6
DIF[N]
7
SIF
8
CVBS
9
A1
B1
B1
47
SHIELD
TU_GND_B
A1
TU_GND_A
A1
47
SHIELD
47
B1
B1
TU_GND_A
SHIELD
TU_GND_B
A1
A1
47
SHIELD
JAPAN TUNER (RDA5817)_Don’t USE_Just Ready
A1A1B1
47
TU_W_JP_RDA5817
TU6703-*1
TDJW-J301F
1
2
3
4
5
6
7
8
9
10
11
12
13
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
SHIELD
+3.3V_LNA
NC_1
NC_2
SCL_RF
SDA_RF
NC_3
NC_4
NC_5
NC_6
NC_7
+3.3V_RF
NC_8
GND_1
RESET_M_DEMOD
+3.3V_DEMOD
SCL_DEMOD
+1.2V_DEMOD
NC_9
SDA_DEMOD
LNB
GND_2
NC_10
M_ERROR
GND_3
M_SYNC
M_MCLK
+2.5V_DEMOD
M_VALID
M_DATA
S_ERROR
S_SYNC
S_MCLK
S_VALID
S_RESET_DEMOD
S_DATA
B1
TDJM-C401D
TU6702-*4
TDJM-C401D
+3.3V
1
NC_1
2
NC_2
3
SCL_RF
4
SDA_RF
5
NC_3
6
NC_4
7
SIF
8
CVBS
9
NC_5
10
+3.3V_RF
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VAILD
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
+3.3V_DEMOD
26
SCL_DEMOD
27
+1.2V_DEMOD
28
NC_6
29
SDA_DEMOD
30
A1
B1B1A1
47
SHIELD
TDJM-B301F
TU6702-*3
TDJM-B301F
+3.3V
1
NC_1
2
NC_2
3
SCL_RF
4
SDA_RF
5
NC_3
6
NC_4
7
SIF
8
CVBS
9
NC_5
10
+3.3V_RF
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VAILD
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
+3.3V_DEMOD
26
SCL_DEMOD
27
+1.2V_DEMOD
28
NC_6
29
SDA_DEMOD
30
A1
B1B1A1
47
SHIELD
A1
TU_GND_A
TU_M_AJ
TU6702-*2
TDJM-G305D
+3.3V
1
NC_1
2
NC_2
3
SCL_RF
4
SDA_RF
5
NC_3
6
NC_4
7
SIF
8
CVBS
9
NC_5
10
+3.3V_RF
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VAILD
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
+3.3V_DEMOD
26
SCL_DEMOD
27
+1.2V_DEMOD
28
NC_6
29
SDA_DEMOD
30
B1B1A1
47
SHIELD
TU_GND_B
TU_M_CN
TU6702-*1
TDJM-C301D
B1[+3.3V]
1
RF_SW_CTL
2
NC_1
3
SCL_RF
4
SDA_RF
5
NC_2
6
NC_3
7
SIF
8
CVBS
9
NC_4
10
NC_5
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VAILD
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
B2[+3.3V]
26
SCL_DEMOD
27
B3[+1.1V]
28
NC_6
29
SDA_DEMOD
30
A1
B1B1A1
47
SHIELD
TU_GND_A
A1
A1
47
SHIELD
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
TU_SYMBOL_H
2014-09-11
19
DVB-S2 LNB Part Allegro
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LNB_OUT
(Option:LNB)
C6900
0.1uF
LNB
Close to Tuner
Surge protectioin
C6901
33pF
LNB
D6900
LNB
R6900
2.2K
1W
LNB
LNB_TSC
SS23L
D6901-*1
LNB_TSC
D6901
MBR230LSFT1G
LNB_ONSEMI
C6902
0.22uF
LNB
25V
A_GND
2A
D6902-*1
SS23L
30V
30V
30V
D6902
LNB_ONSEMI
30V
C6903
0.01uF
50V
LNB
LNB
C6905
10uF
25V
LNB
close to Boost pin(#1)
C6904
0.1uF
50V
A_GND
C6906
10uF
25V
D6903
LNB_SMAB34
40V
D6903-*1
LNB_SX34
40V
LNB
A_GND
C6907
10uF
25V
LNB
NC_1
LNB
NC_2
TDI
TDO
[EP]
1
2
3
4
5
C6908 0.1uF
THERMAL
21
IC6900-*1
DT1803
LNB_DMBT
7
SCL9ADD
SDA6IRQ
8
D6904-*1
40V
LNB_SX34
D6904
40V
LNB_SMAB34
LNB_ALLEGRO
VCP
LNB
NC_1
TDI
TDO
PGND18NC_319NC_420BOOST
16LX17
VIN
15
GND
14
VREG
13
ISET
12
TCAP
11
10
TONECTRL
LPH6050T-150M-R
A_GND
NC_2
NC_3
BOOST
[EP]GND
18
19
20
1
THERMAL
2
21
3
IC6900
A8303SESTR-T
4
LNB_ALLEGRO
5
7
8
6
SCL9ADD
SDA
IRQ
GNDLX
16LX17
10
TONECTRL
+12V
LNB
L6900
3.5A
15uH
VIN
15
GND
14
VREG
13
ISET
12
TCAP
11
+3.3V_NORMAL
OPT
3.3K
R6907
LNB
R6906
0
3A
Max 1.3A
C6909
10uF
25V
LNB
A_GND
close to VIN pin(#15)
C6910
0.1uF
50V
LNB
C6912
LNB
0.1uF
LNB
C69110.22uF
Input trace widths should be sized to conduct at least 3A
Ouput trace widths should be sized to conduct at least 2A
LNB
R6903
39K
1/16W
1%
Caution!! need isolated GND
A_GND
R6904
0
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LNB
R6901 33
I2C_SCL2
LNB
R6902 33
I2C_SDA2
R6905
LNB_Tx
LNB_TX
0
0
R6908
LNB_NON_Tx
LM15U
LNB
2014-08-25
20
+3.3V_NORMAL
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
[51P Vx1
output wafer]
P7100
SP14-11592-01-51Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
Non_INX_Module
R7101 10K
R7102 10K
R7100 0
LGD_Module_3D_EN
Non_LGD_60Hz_Module
R7123 10K
TXDAP7_L
TXDAN7_L
TXDAP6_L
TXDAN6_L
TXDAP5_L
TXDAN5_L
TXDAP4_L
TXDAN4_L
TXDAP3_L
TXDAN3_L
TXDAP2_L
TXDAN2_L
TXDAP1_L
TXDAN1_L
TXDAP0_L
TXDAN0_L
LOCKAn_IN
HTPDAn_IN
OPT
Non_Sharp_Module
L7100
MLB-201209-0120P-N2
TCON_PWR_Vx1_Wafer
C7100
10uF
25V
TCON_PWR_Vx1_Wafer
+3.3V_NORMAL
LGD_Module
*Pin31(BIT_SEL)
HIGH or NC : 10Bit
LOW : 8Bit
LGD_Module_3D_EN
OPT
R7124
1K
R71030
PANEL_VCC
C7101
10uF
25V
TCON_PWR_Vx1_Wafer
R7104
10K
OPT
R71051K1/16W
R7108 0
LOCKAn_HTPDAn_3.3VPullup
+1.8V
LOCKAn_HTPDAn_3.3VPullup
LOCKAn_HTPDAn_3.3VPullup
LOCKAn_IN
LOCKAn_HTPDAn_3.3VPullup
LOCKAn_HTPDAn_3.3VPullup
HTPDAn_IN
+3.3V_NORMAL
LGD_Module
R7106
1K
OPT
R7107
1K
5%
3D&L_DIM_EN
*Pin35(PCID)
3D_EN
High:PCID enable
Low or NC : PCID diable
LGD_120Hz_Module
+3.3V_NORMAL
LGD_120Hz_Module
+3.3V_NORMAL
R7111
10K
OPT
R7112
10K
R7109
10K
OPT
R7110
10K
R7125 0
LGD_Module
+3.3V_NORMAL
+3.3V_NORMAL
LGD_120Hz_Module
AR7100
0
1/16W
R7115
4.7K
OPT
R7116
4.7K
OPT
LOCKAn_HTPDAn_3.3VPullup
R7128
10K
R7130
100
B
+3.3V_NORMAL
LOCKAn_HTPDAn_3.3VPullup
+1.8V
LOCKAn_HTPDAn_3.3VPullup
R7127
10K
R7129
100
B
3D&L_DIM_EN
L_DIM_EN
LGD_Module
AR7101
0
1/16W
Data_Format_1
Data_Format_0
LOCKAn_HTPDAn_3.3VPullup
R7132
10K
R7134
10K
C
Q7103
2N3904S
KEC_LOCKAn_HTPDAn_3.3VPullup_TR
E
R7131
10K
R7133
10K
C
Q7102
2N3904S
KEC_LOCKAn_HTPDAn_3.3VPullup_TR
E
B
S
Q7100
2N7002KA
R7119
33
S
Q7101
2N7002KA
R7120
33
R7136
10K
C
Q7105
B
2N3904S
KEC_LOCKAn_HTPDAn_3.3VPullup_TR
E
C
Q7103-*1
B
MMBT3904(NXP)
NXP_LOCKAn_HTPDAn_3.3VPullup_TR
E
LOCKAn_HTPDAn_3.3VPullup
R7135
10K
C
Q7104
B
2N3904S
KEC_LOCKAn_HTPDAn_3.3VPullup_TR
E
C
Q7102-*1
MMBT3904(NXP)
NXP_LOCKAn_HTPDAn_3.3VPullup_TR
E
TCON_I2C_EN
G
KEC_LGD_Module_TCON_I2C_EN_FET
R7121 0
D
LGD_Module
OPT
TCON_I2C_EN
KEC_LGD_Module_TCON_I2C_EN_FET
G
R7122 0
D
LGD_Module
OPT
Data Input Format[1:0]
*Mode 1 (NON Division)
- Data Format 0(Pin37) = Low
Data Format 1(Pin36) = Low
*Mode 3 (4 Division)
- Data Format 0(Pin37) = Low
Data Format 1(Pin36) = High
LOCKAn
C
B
E
HTPDAn
C
B
E
D
DIODES_LGD_Module_TCON_I2C_EN_FET
Q7100-*1
G
2N7002K
S
I2C_SCL6
D
DIODES_LGD_Module_TCON_I2C_EN_FET
Q7101-*1
G
2N7002K
S
I2C_SDA6
Q7105-*1
MMBT3904(NXP)
NXP_LOCKAn_HTPDAn_3.3VPullup_TR
Q7104-*1
MMBT3904(NXP)
NXP_LOCKAn_HTPDAn_3.3VPullup_TR
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
Vx1 51P
2014-08-27
21
[41P Vx1
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
output wafer]
41Pin_Wafer
P7200
SP14-11592-01-41Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
1
2
3
4
5
6
7
8
9
TXDBP7_L
TXDBN7_L
TXDBP6_L
TXDBN6_L
TXDBP5_L
TXDBN5_L
TXDBP4_L
TXDBN4_L
TXDBP3_L
TXDBN3_L
TXDBP2_L
TXDBN2_L
TXDBP1_L
TXDBN1_L
TXDBP0_L
TXDBN0_L
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
UF71/7500
Vx1 41P
14/07/19
22
eMMC I/F
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LM15U
eMMC
2014-11-17
81
RS-232C Control INTERFACE
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
+3.5V_ST
RS232C
R6820
100
RS232C
R6821
100
DOUT1
RIN1
RS232C
RS232C
RS232C
RS232C
C6808
0.1uF
C6809
0.1uF
C6810
0.1uF
C6811
0.1uF
C1+
C1-
C2+
C2-
DOUT2
RIN2
V+
V-
RS232C
IC6801
MAX3232CDR
1
2
3
4
5
6
7
8
EAN41348201
OPT
ZD6802
ADUC 20S 02 010L
RS232C
C6813
0.1uF
VCC
16
GND
15
DOUT1
14
RIN1
13
ROUT1
12
DIN1
11
DIN2
10
ROUT2
9
SOC_RX
SOC_TX
20V
OPT
ZD6803
ADUC 20S 02 010L
20V
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
UF71/7500
RS232C
2014-05-19
22
URSA9 VIDEO/OSD LOCKn
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
2013.12.17
URSA7_DDR
+3.3V_NORMAL
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Clock for URSA9
LM14_URSA9_crystalcap
C1992
5pF
50V
GND_1
2
3
C1993
5pF
50V
X-TAL_2
SPI Flash
SPI_DO_URSA9
SPI_DO_SOC
High : B1
Low : B0
B1
GND
B0
X-TAL_1
1
24MHz
4
GND_2
OPT
IC1900
NLASB3157DFT2G
1
2
3
R19000
R1925
1M
X1900
+3.3V_NORMAL
SELECT
6
VCC
5
A
4
XIN_URSA
XO_URSA
FRC_FLASH_SEL
SPI_DO
SPI_DI_URSA9
SPI_DI_SOC
SPI_4MB_MACRONIX
SW1901
JTP-1127WEM
1
OPT
IC1902
NLASB3157DFT2G
B1
1
GND
2
B0
3
+3.3V_NORMAL
2
43
D1900
1N4148W
+3.3V_NORMAL
SELECT
6
VCC
5
A
4
R19200
+3.3V_NORMAL
100V
OPT
C1996
22uF
10V
R1923
10K
FRC_FLASH_SEL
SPI_DI
IC1901
MX25L3235E
SPI_CZ_URSA9
SPI_DO
FLASH_WP_URSA
FRC_FLASH_WP
R1904
R1905
OPT
R1932
SO/SIO1
WP/SIO2
GND
CS
1
2
3
4
OPT
R1901
10K
33
1K
1K
VCC
8
HOLD/SIO3
7
SCLK
6
SI/SIO0
5
C1995
0.1uF
16V
R190310K
Debugging for URSA9
I2C_S Port
P1905
12507WS-04L
URSA_DEBUG_Wafer
I2C_SCL7
I2CS_SCL
SCL2_+3.3V_DB
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
R1958
0
URSA_MP
R1960
0
OPT
5
WAFER-STRAIGHT
1
2
3
4
SW1902
JS2235S
1
2
URSA_DEBUG_SW
3
R19 22
33
URSA_DEBUG_Wafer
R19 21
33
URSA_DEBUG_Wafer
6
5
4
SCL2_+3.3V_DB
SDA2_+3.3V_DB
I2C_SDA7
R1959
0
URSA_MP
I2CS_SDA
R1961
0
OPT
SDA2_+3.3V_DB
UART PQ/System Debug
+3.3V_NORMAL
URSA9_PQ_DEBUG
P1906
12507WS-04L
5
1
2
3
4
R13226
10K
URSA9_PQ_DEBUG
33
URSA9_PQ_DEBUG
33
URSA9_PQ_DEBUG
C1998
0.1uF
16V
URSA9_PQ_DEBUG
+3.3V_NORMAL
0
R1924
CS
DO[IO1]
WP[IO2]
GND
R13222
R13223
URSA Reset
OPT
R1919
10K
OPT
0
R1930
0
R13221
SPI_CK_URSA9
SPI_CK_SOC
SPI_4MB_Winbond
IC1901-*1
W25Q32FVSSIG
VCC
1
8
HOLD_OR_RESET[IO3]
7
2
CLK
6
3
DI[IO0]
4
5
SPI_CK
SPI_DI
URSA_UART2_RX
URSA_UART2_TX
URSA_RESET
URSA_RESET_SoC
URSA_RESET_MICOM
OPT
IC1903
NLASB3157DFT2G
B1
1
GND
2
B0
3
R19260
URSA9_SYS_DEBUG
12507WS-04L
+3.3V_NORMAL
SELECT
6
VCC
5
A
4
P1907
1
2
3
4
5
Chip Config
Debug/ISP ADDR
Slave (Debug Port:0XB4,ISP:0X98)
CHIP_CONF:{DIM2,DIM1,DIM0}
CHIP_CONF=3’d7:111:boot from SPI Flash
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
BSD-14Y-UD-133-HD
2013.12.17
U_Power
TCON_PWR_5pin_Wafer
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
P7203
20037WR-05A00
1
2
3
4
5
6
T-con power
TCON_PWR_5pin_Wafer
C7203
C7202
0.1uF
10uF
25V
25V
TCON_PWR_5pin_Wafer
TCON_PWR_5pin_Wafer
L7201
MLB-201209-0120P-N2
L7202
MLB-201209-0120P-N2
TCON_PWR_5pin_Wafer
C7204
10uF
25V
OPT
PANEL_VCC
C7205
0.1uF
25V
TCON_PWR_5pin_Wafer
+12V
L13411
BLM18PG121SN1D
C13443
10uF
16V
C13410
0.1uF
+1.5V URSA DDR
POWER_ON/OFF2_1
R13424
10K
EN
R1
C13444
330pF
R13421
18K
1%
50V
R13422
4.7K
1%
R13423
22K
1%
R2
Vout=0.765*(1+R1/R2)=1.516V
C13445
1uF
10V
C13446
2200pF
50V
FB
VREG
SS
R13425
390K
IC13403
BD9D321EFJ
1
9
2
THERMAL
3
4
3A
MAX 4.7A
+1.5V_U_DDR
[EP]
VIN
8
7
6
5
BOOT
SW
GND
0.1uF
C13447
16V
L13412
2.2uH
C13448
22uF
10V
C13449
22uF
10V
2.5V
DCDC_DIODE
+1.15V URSA9 Core
R13410
100
1/16W
IC13408
MP8762HGLE-Z
EN
1
2
FB
3
SS
4
10A
5
PG
6
VCC
7
BST
8
1%
C13411
POWER_ON/OFF2_3
OPT
C13400
0.1uF
16V
R13401
R13402
R13403
R13404
1K
FREQ
R1
18K
1/16W
1%
10K
1/16W
1%
R2
C13401
0.033uF
AGND
50V
10K
1/16W
1%
R13407
100K
C13405
1/16W
1uF
1%
10V
R13409
33
1/16W
5%
0.1uF
16V
R13413
C13417
220K
1/10W
5%
R13412
LPBN8050T-1R0N
L13415
1.0uH
C13414
10uF
25V
330pF
50V
C13416
10uF
25V
C13419
22uF
2.5V
10VZD13401
ZD13418
DCDC_DIODE
C13425
22uF
10V
L13420
+1.1V_U_VDDC
C13426
22uF
10V
+12V
1%
430K
1/16W
SW_2
16
SW_1
15
IN_2
14
PGND_4
13
PGND_3
12
PGND_2
11
PGND_1
10
IN_1
9
Vout=0.611*(1+R1/R2)
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
BSD-14Y-UD-134-HD
2013.12.17
LM15U+URSA
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
CLIP Top Side for Covershield
OPT
M13500
EAG64250901
CLIP 1 - PUSH TYPE
M13502
EAG64250901
CLIP_EMI
M13507
EAG64250901
M13508
MDS62110209
CLIP_EMI
OPT
SMD Top Side for Covershield8.5T
M13505
MDS62110209
SMD_EMI
M13509
MDS62110209
FOR TUNER ESD
EU_UF77_ESD
M13510
MDS62110221
OPT
M13511
MDS62110209
SMD_EMI
M13512
MDS62110209
70UF77_EMI
SMD Top for EMI 3.5T
M13514
MDS62110213
70UF77_EMI
M13515
MDS62110213
OPT
SMD bottom for ESD
SMD_BOT_3_10.5T
GASKET_8.0X6.0X10.5H
M4101
MDS62110225
SMD_BOT_3_8.5T
GASKET_8.0X6.0X8.5H
M4101-*1
MDS62110209
SMD_BOT_3_9.5T
GASKET_8.0X6.0X9.5H
M4101-*2
MDS62110214
SMD_BOT_11_10.5T
GASKET_8.0X6.0X10.5H
M4114
MDS62110225
SMD_BOT_11_12.5T
GASKET_8.0X6.0X12.5H
M4114-*1
MDS62110217
SMD_BOT_9_10.5T
GASKET_8.0X6.0X10.5H
M4107
MDS62110225
SMD_BOT_6_10.5T
GASKET_8.0X6.0X10.5H
M4104
MDS62110225
SMD_BOT_6_12.5T
GASKET_8.0X6.0X12.5H
M4104-*1
MDS62110217
SMD_BOT_6_9.5T
GASKET_8.0X6.0X9.5H
M4104-*2
MDS62110214
SMD_BOT_12_10.5T
GASKET_8.0X6.0X10.5H
M4117
MDS62110225
SMD_BOT_12_12.5T
GASKET_8.0X6.0X12.5H
M4117-*1
MDS62110217
SMD_BOT_2
GASKET_8.0X6.0X10.5H
M4112
MDS62110225
SMD_BOT_7_10.5T
GASKET_8.0X6.0X10.5H
MDS62110225
SMD_BOT_7_12.5T
GASKET_8.0X6.0X12.5H
MDS62110217
SMD_BOT_7_9.5T
GASKET_8.0X6.0X9.5H
MDS62110214
SMD_BOT_4_10.5T
GASKET_8.0X6.0X10.5H
SMD_BOT_8_10.5T
GASKET_8.0X6.0X10.5H
M4106
MDS62110225
M4105
M4105-*1
M4105-*2
M4102
MDS62110225
SMD_BOT_1_10.5T
GASKET_8.0X6.0X10.5H
M4109
MDS62110225
SMD_BOT_1_12.5T
GASKET_8.0X6.0X12.5H
M4109-*1
MDS62110217
SMD_BOT_5_10.5T
GASKET_8.0X6.0X10.5H
M4103
MDS62110225
SMD_BOT_5_8.5T
GASKET_8.0X6.0X8.5H
M4103-*1
MDS62110209
SMD_BOT_4_12.5T
GASKET_8.0X6.0X12.5H
M4102-*1
MDS62110217
SMD_BOT_10_10.5T
GASKET_8.0X6.0X10.5H
M4110
MDS62110225
HDMI1
HDMI1_BOT_SMD_10.5T
GASKET_8.0X6.0X10.5H
M4100
MDS62110225
HDMI1_BOT_SMD_8.5T
GASKET_8.0X6.0X8.5H
M4100-*1
MDS62110209
USB3
USB3_BOT_SMD_10.5T
GASKET_8.0X6.0X10.5H
M4111
MDS62110225
USB3_BOT_SMD_8.5T
GASKET_8.0X6.0X8.5H
M4111-*1
MDS62110209
SMD_BOT_13_10.5T
GASKET_8.0X6.0X10.5H
M4118
MDS62110225
HDMI3_BOT_SMD_11.5T
GASKET_8.0X6.0X11.5H
M4100-*3
MDS62110228
USB1_BOT_SMD_11.5T
GASKET_8.0X6.0X11.5H
M4111-*2
MDS62110228
SMD_BOT_14_10.5T
GASKET_8.0X6.0X10.5H
M4119
MDS62110225
HDMI2
HDMI2_BOT_SMD_10.5T
GASKET_8.0X6.0X10.5H
M4108
MDS62110225
HDMI2_BOT_SMD_8.5T
GASKET_8.0X6.0X8.5H
M4108-*1
MDS62110209
HDMI2_BOT_SMD_11.5T
GASKET_8.0X6.0X11.5H
M4108-*2
MDS62110228
USB2USB1
USB2_BOT_SMD_10.5T
GASKET_8.0X6.0X10.5H
M4113
MDS62110225
USB2_BOT_SMD_8.5T
GASKET_8.0X6.0X8.5H
M4113-*1
MDS62110209
SMD_BOT_15_10.5T
GASKET_8.0X6.0X10.5H
M4120
MDS62110225
USB2_BOT_SMD_11.5T
GASKET_8.0X6.0X11.5H
M4113-*2
MDS62110228
SMD_BOT_16_10.5T
GASKET_8.0X6.0X10.5H
M4121
MDS62110225
HDMI3
HDMI3_BOT_SMD_8.5T
GASKET_8.0X6.0X8.5H
M4115
MDS62110209
USB1_BOT_SMD_8.5T
GASKET_8.0X6.0X8.5H
M4116
MDS62110209
USB1_BOT_SMD_10.5T
GASKET_8.0X6.0X10.5H
M4116-*1
MDS62110225
SMD_BOT_17_10.5T
GASKET_8.0X6.0X10.5H
M4122
MDS62110225
HDMI3_BOT_SMD_10.5T
GASKET_8.0X6.0X10.5H
M4115-*1
MDS62110225
HDMI3_BOT_SMD_9T
GASKET_8.0X6.0X9.0H
M4115-*2
MDS62110226
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
14.06.10
CLIP TYPE
LM15U ONLY, LM15U+URSA
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
CN/HKNorth.AMEU/CIS
BR
JPKRTW/COL
LM15U
2014-11-11
Tuner_GND137
Overview for `15 ULTRA HD Model
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
(Hardware)
`15 ULTRA HD New Feature 1. HDMI
HDMI1.4
HDMI2.0 3Gbps
HDMI2.0 6Gbps
4K@60Hz
4:2:2 10bit
HDCP2.2
ARC
MHL2.1
HDMI1.4
Legacy
O
O
x
O
X X X
O
O
O
(Only UF85↑)
O
O X O
O O O
O
X
X
O
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
구 분
HDMI 3
HDMI 2
HDMI 1
It is different form each HDMI port spec.
We offer a HDMI cable for HDMI 1.4 legacy issue.
HDMI2.0
HDMI1.4
DVI
`15 ULTRA HD New Feature 2. Sub Assy (Joy stick button, lum. sensor)
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Joystick Button, Luminance Sensor
1. Using the Joystick Button
- Joystick button is located below the screen of TV
- You can operate the TV by pressing the button or moving
the joystick left, right, up, or down
2. Luminance Sensor
Adjusts the image quality and brightness based on the
surrounding environment.
2015 model : Luminance sensor
`14 ULTRA HD New Feature 3. Sub Assy (WiFi)
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
BT WiFi
802.11n
UF77~UF94
16:9
(BT Combo)
14” Carry over
LCD TV Repair Guide
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
`15 years New Models
< Applicable Model >
UF77/85 series
Main PCB
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
All UF77/85 series
< 60” ↑> < 55”↓>
Connect T-Con
(only 60”↑)
From PSU
Cover shield
Vx1 Cable
60” ↑
All models
PCB SIZE: 300X183(All model)
4
1
2
3
Phone jack
(UART serial)
5
Woofer cable
(only 79”)
Main processor_(LM15U)
1
DDR Memory
eMMC Memory
2
Micom for Key/IR sensing
Audio AMP
3
Image processor(URSA9)
4
DDR Memory
Sub Woofer wafer
5
(only 79”)
Audio
B/T Wifi
Local Key+IR
0. System Overview (Main External)
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
<14 year UHD model> <15 year UHD model>
1. LM15U Circuit Block Diagram
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
R
E
A
R
Air/
Cable
DVB-S
T2/C/S2 W/O AD
TUNER
(T2/C/A)
TUNER
(S2)
DEMOD
LNB
(JAPAN)
(S2)
B-CAS
SMARTCARD_I/F
USB1 (3.0)
USB2 (2.0)
USB3 (2.0)
HDMI1
HDMI2(ARC)
HDMI3
H/P
AV/COMP
SCART
(IN/OUT)
CI Slot
P_TS
IF (+/-)
P_TS
CVBS
OCP
OCP
P_TS
X_TAL
24MHz
T/C Demod
Analog Demod
P_TS
B-CAS
USB
HDMI
CVBS/YPbPr
CVBS/RGB
DDR3 1866 X 32
(512MB X 2EA)
A
Mstar
LM15U
USB_WIFI
B
I2C 1
Vx1
I2C 6
I2S Out
I2C 4
DDR3 1866 X 32
(512MB X 2EA)
C
51P
DDR3 1866 X 32
(256MB X 2EA)
EEPROM(NVRA
M)
(256Kb)
Chip Config
4b’1010
eMMC
(4GB)
MAIN Audio AMP
(NTP7514)
WIFI/BT Combo
SUB
ASSY
IR / KEY
LOGO LIGHT(Ready
OPTIC
LAN
SPDIF OUT
ETHERNET
I2C 3
(HW Port)
Sub Micom
(RENESAS
R5F100GEAFB)
X_TAL
32.768KHz
1-1.LM15U (+ URSA9) Circuit Block Diagram
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
R
E
A
R
Air/
Cable
DVB-S
T2/C/S2 W/O AD
TUNER
(T2/C/A)
TUNER
(S2)
DEMOD
LNB
(JAPAN)
(S2)
B-CAS
USB1 (3.0)
USB2 (2.0)
USB3 (2.0)
HDMI1
HDMI2 (ARC)
HDMI3
RS232C
AV/COMP
SCART
(IN/OUT)
SMARTCARD_I/F
H/P
CI Slot
P_TS
IF (+/-)
P_TS
CVBS
OCP
OCP
P_TS
X_TAL
24MHz
T/C Demod
Analog Demod
P_TS
B-CAS
USB
HDMI
CVBS/YPbPr
CVBS/RGB
DDR3 1866 X 32
(512MB X 2EA)
A
Mstar
LM15U
USB_WIFI
B
I2C 1
I2S Out
I2C 4
DDR3 1866 X 32
(512MB X 2EA)
C
DDR3 1866 X 32
(256MB X 2EA)
EEPROM(NVRA
M)
(256Kb)
eMMC
(4GB)
Vx1
URSA
LOGO LIGHT(Ready)
51P/41P
9
DDR3 1866 X 32
(1Gb X 4EA)
MAIN Audio AMP
(NTP7515)
WIFI/BT Combo
IR / KEY
Chip Config
4b’1010
SUB
ASSY
OPTIC
LAN
SPDIF OUT
ETHERNET
I2C 3
(HW Port)
Sub Micom
(RENESAS
R5F100GEAFB)
X_TAL
32.768KH
z
2. LM15U Block Diagram (Internal)
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. LM15U( + URSA9) I2C Block Diagram
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
+3.3V_NORMAL
1.8KΩ
MSTAR
LM15U
IC5600
NTP7515(Main AMP)
IC3000
RENESAS
MICOM
P7201
LCD Panel
100Ω
0Ω
+URSA model Only
IC2500
URSA9
33Ω
+3.3V_NORMAL
1.8KΩ
33Ω
+3.3V_NORMAL
1.8KΩ
+3.3V_NORMAL
1.8KΩ
I2C_SDA4
I2C_SCL4
I2C_SCL3 (HW)
I2C_SDA3 (HW)
I2C_SDA6
I2C_SCL6
I2C_SDA7 (HW)
I2C_SCL7 (HW)
I2C_SCL1(HW)
I2C_SDA2(HW)
I2C_SCL2(HW)
I2C_SDA1(H
W)
I2C_SDA5(H
W)
I2C_SCL5(HW)
+3.3V_TU
1.8KΩ
+3.3V_NORMAL
1.8KΩ
+3.3V_LNA_TU
1.8KΩ
33Ω
33Ω
33Ω
33Ω
IC6900
LNB
TU6704
TUNER
IC102
NVRAM
TU6704
TUNER
4. URSA9 Block Diagram
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Power +12V
DC-DC Converter
(BD9D320EFJ _3A)
DC-DC Converter
(TPS53513RVER _8A)
LM15U
+1.5V_U_DDR
(URSA DDR)
+1.15V
(URSA)
UART2_R
X
UART2_T
X
UART1_T
X
IRE
URSA9
PQ
UART
URSA9
SYS
UART
I2C_SCL7
URSA
DEBUG
Switch
SCL2_+3.3V_DB
SDA2_+3.3V_DB
Vx1 VIDEO 8Lane
Vx1 OSD 4Lane
LOCKAn_OSD / LOCKAN_Video
I2C_SDA7
I2CS_SCL
I2CS_SDA
I2C_S Port
4 Pin
Jig Download
HTPDn_IN
LOCKn_IN
V x1
8 lane
51P
URSA9_CONNECT
I2C_SDA6
I2C_SCL6
Data_Format_1
PANEL_VCC
(+12V)
Data_Format_0
URSA9
X-Tal
(24Mhz)
XIN_URSA
XO_URSA
LOCK
n
HTPD
Data_Format_1
n
Data_Format_2
3D_EN
L_DIM_EN
SPI_DI
SPI_DO/CK/CS
IRE
UART1_TX
UART2_RX
UART2_TX
I2CS_SCL
I2CS_SDA
V x1
8 lane
41P
SPI FLASH
(4MB)
T-CON POWER
5 Pin
PANEL_VCC
A_DDR3_A[15:0]/
BA[2:0]/CLK/CKE
DDR3 SDRAM
-1Gbit (x16)
DDR3 SDRAM
-1866
- 1Gbit (x16)
- 1866
A_DDR3_DQ[31:0]
B_DDR3_A[15:0]/
BA[2:0]/CLK/CKE
DDR3 SDRAM
- 1Gbit (x16)
DDR3 SDRAM
-1866
- 1Gbit (x16)
- 1866
B_DDR3_DQ[31:0]
5. LM15U + URSA9 Power Block Diagram
MICOM
IR Ass’y
DDR3*6EA
eMMC
Tuner
USB1
USB2/3
PANEL VCC
LNB
LM15U
LM15U
LM15U
DDR_VTT
NTP7514
CI SLOT
H/P AMP
NTP7515
WIFI
Combo
NVRAM
DDR_VTT
LM15U
URSA9
DDR3*4EA
URSA9
LM15U
URSA
DDR_VTT
URSA9
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3.5V
12V
3.3V
IC201
AVDD
3.3V NORMAL /
5A
IC2302
1.5V DDR / 3A
IC2303
1.1V Core / 10A
IC2501
1.1V CPU Core /
6A
IC2300
1.15V URSA Core /
10A
IC13408
1.5V_U_DDR / 3A
IC13403
※ DCDC 효율 80% 적용
1.5V
IC402
DDR_VTT
1.5V
IC407
DDR_VTT
1.8V
eMMC
1A
IC2301
D.Demod_
Core 2A
IC6500
1.5V
IC13100
URSA
DDR_VTT
LDO DCDC
24V
LNB option
5V NORMAL / 6A
IC2305
6. Tuner/CI Block Diagram
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Vertical/Horizontal bar, residual image,
light spot, external device color error
No power 6
Off when on, off while viewing, power
auto on/off
No audio/Normal video 8
C. Audio error
9 Wrecked audio/discontinuation/noise 9
10
11
Remote control & Local switch checking
MR15 operating checking 11
5
7
10
12
D. Function error
13 Camera operating checking 13
14 External device recognition error 14
15 E. Noise Circuit noise, mechanical noise 15
16 F. Exterior error Exterior defect 16
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
Wifi operating checking 12
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
A. Video error
No video/ Normal audio
Established
date
Revised date
First of all, Check whether all of cables between board is inserted properly or not.
(Main B/D↔ Power B/D, LVDS Cable, Speaker Cable, IR B/D Cable,,,)
☞A18 ☞A1
N
Y
Check Back Light
On with naked eye
☞A18
Check Power Board 24V output
On
Normal
voltage
N
Repair Power
Board or parts
Y N Check Power
Board
24V, 12V,3.5V etc.
Replace Inverter
Y
or module
Normal
voltage
N
Repair Power
Board or parts
End
Replace T-con/Main
Y
Board or module
And Adjust VCOM
No video
Normal audio
Normal
audio
Move to No
video/No audio
1/16
※Precaution
Always check & record S/W Version and White
Balance value before replacing the Main Board
☞A4 & A2
Replace Main Board
1
Re-enter White Balance value
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
No Video/
No audio
☞A18
Check various
voltages of Power
Board ( 3.5V,12V,
24V…)
A. Video error
No video/ No audio
Normal
voltage?
Replace Power
Board and repair
parts
Y
N
Check and
replace
MAIN B/D
Established
date
Revised date
End
2/16
2
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
☞ A3
Check RF Signal level
Normal
Signal?
N
Check RF Cable
Connection
1. Reconnection
2. Install Booster
Normal
Picture?
Y
Close
Y
N
A. Video error
Picture broken/ Freezing
Established
date
Revised date
. By using Digital signal level meter
. By using Diagnostics menu on OSD
( Advanced→ Channels→ Channel Tuning→ Manual Tuning → Check the Signal )
- Signal strength (Normal : over 50%)
- Signal Quality (Normal: over 50%)
Check whether other equipments have problem or not.
(By connecting RF Cable at other equipment)
→ DVD Player ,Set-Top-Box, Different maker TV etc`
☞ A4
Normal
Picture?
Contact with signal distributor
or broadcaster (Cable or Air)
Y
S/W Version
N
Check
SVC
Bulletin?
S/W Upgrade
Normal
Picture?
Y
N
Tuner soldering
Y
N
Check
N
Replace
Main B/D
3/16
Y
Close
Close
3
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
☞A6
Check color by input
-External Input
-COMPONENT
-AV
-HDMI
☞A8
Check Test pattern
Color
error?
N
Check error
color input
mode
A. Video error
☞ A7
※ Check and
replace Link
Y
Cable
(V by one)
and contact
condition
External Input/
Component
error
Color error
Check
external
device and
cable
Color
error?
N
Y
Replace Main B/D
Established
date
Revised date
External device
/Cable
normal
N
Color
error?
End
Y
4/16
Y
Replace module
N
Replace Main/T-con B/D
HDMI
error
Check external
device and
cable
4
Request repair
for external
device/cable
N
External device
/Cable
normal
Y
Replace Main/T-con B/D
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
Vertical / Horizontal bar, residual image,
A. Video error
light spot, external device color error
Vertical/Horizontal bar, residual image, light spot
☞A6
Check color condition by input
-External Input
-Component
-HDMI
☞A8
Check Test pattern
Screen
normal?
N
Replace
module
Check external
Y
device
connection
condition
Normal?
N
Request repair
for external
device
External device screen error-Color error
Check screen
condition by input
Check S/W Version
Check
version
Y
S/W Upgrade
N
-External Input
-Component
-HDMI/DVI
Component
☞ A7
Check and
Y
replace Link
Cable
External
Input
error
error
Established
date
Revised date
Y
N
Replace Main/T-con B/D
(adjust VCOM)
For LGD panel
Replace Main B/D
Screen
normal?
End
For other panel
Connect other external
device and cable
(Check normal operation of
External Input, Component,
RGB and HDMI/DVI by
connecting Jig, pattern
Generator ,Set-top Box etc.
Screen
N
normal?
Y
Request repair for
external device
5/16
Replace
Module
N
Screen
normal?
Y
End
Replace
Main/T-con
B/D
Normal
screen?
End
N
Y
5
HDMI/
DVI
Connect other external
device and cable
(Check normal operation of
External Input, Component,
RGB and HDMI/DVI by
connecting Jig, pattern
Generator ,Set-top Box etc.
Y
Screen
normal?
N
Replace
Main /T-con
B/D
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
☞A17
Check
Logo LED
. Stand-By: Red or Turn On
. Operating: Turn Off
Power LED
Check Power cord
was inserted properly
On?
N
Normal?
Y
Close
Y
N
※
Check ST-BY 3.5V
☞A18
B. Power error
No power
DC Power on
by pressing Power Key
On Remote control
Normal
voltage?
Y
Y
N
Established
date
Revised date
☞A18
Y
N
Check Power
On ‘”High”
Replace Main B/D
Normal
operation?
☞A18
Measure voltage of each output of Power B/D
N
Y
Replace Main B/D
Normal
voltage?
Replace Power B/D
OK?
Y
6/16
Replace
Power
B/D
Replace Power
B/D
6
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
Check outlet
Check A/C cord
Check for all 3- phase
power out
Off when on, off while viewing, power auto on/off
Error?
Y
Fix A/C cord & Outlet
and check each 3
phase out
N
B. Power error
☞A19
Check Power Off
Mode
☞A18
(If Power Off mode is
not displayed)
Check Power B/D
voltage
※ Caution
Check and fix exterior
of Power B/D Part
Established
date
Revised date
CPU
Abnormal
Abnormal
1
Normal
voltage?
N
Replace Power B/D
Replace Main B/D
Y
Replace Main B/D
7/16
Normal?
Replace Power B/D
Y
N
End
* Please refer to the all cases which
can be displayed on power off mode.
Status Power off List Explanation
"POWEROFF_REMOTEKEY" Power off by REMOTE CONTROL
"POWEROFF_OFFTIMER" Power off by OFF TIMER
"POWEROFF_SLEEPTIMER" Power off by SLEEP TIMER
"POWEROFF_INSTOP" Power off by INSTOP KEY
"POWEROFF_AUTOOFF" Power off by AUTO OFF
Normal
Abnormal
"POWEROFF_ONTIMER" Power off by ON TIMER
"POWEROFF_RS232C" Power off by RS232C
"POWEROFF_RESREC" Power off by Reservated Record
"POWEROFF_RECEND" Power off by End of Recording
"POWEROFF_SWDOWN" Power off by S/W Download
"POWEROFF_UNKNOWN" Power off by unknown status except listed case
"POWEROFF_ABNORMAL1" Power off by abnormal status except CPU trouble
"POWEROFF_CPUABNORMAL" Power off by CPU Abnormal
7
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
No audio
Screen normal
C. Audio error
No audio/ Normal video
☞A20 ☞A21+A18
Check user
menu >
Speaker off
Off
Y
Cancel OFF
Check audio B+
N
24V of Power
Board
Replace Power Board and repair parts
Established
date
Revised date
Normal
voltage
Y
N
8/16
Check
Speaker
disconnection
Disconnection
Y
Replace Speaker
8
N
Replace MAIN Board
End
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Check input
signal
-RF
-External Input
signal
Error
symptom
C. Audio error
Wrecked audio/ discontinuation/noise
Established
date
Revised date
→ abnormal audio/discontinuation/noise is same after “Check input signal” compared to No audio
☞A21+A18
Check audio
B+ Voltage (24V)
Y
Normal
voltage?
N
Replace Power B/D
Replace Main B/D
N
Y
Signal
normal?
N
Y
(When RF signal is not
received)
Request repair to external
cable/ANT provider
(In case of
External Input
signal error)
Check and fix
external device
Wrecked audio/
Discontinuation/
Noise for
all audio
Wrecked audio/
Discontinuation/
Noise only
for D-TV
Wrecked audio/
Discontinuation/
Noise only
for Analog
Wrecked audio/
Discontinuation/
Noise only
for External Input
Check and replace
speaker and
connector
Replace Main B/D
Connect and check
other external
device
Normal
audio?
9/16
End
Check and fix external device
9
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
D. Function error
Remote control & Local switch checking
1. Remote control(R/C) operating error
☞A22
Check R/C itself
Operation
Check R/C Operating
When turn off light
in room
If R/C operate,
Explain the customer
cause is interference
from light in room.
Normal
operating?
N
Check & Replace
Baterry of R/C
operating?
Replace R/C
Y
Normal
Check & Repair
Cable connection
Connector solder
Y
N
Close
Normal
operating?
Y
Close
☞A22
N
Check B+ 3.5V
On Main B/D
Established
date
Revised date
☞A22
Normal
Voltage?
Y
Output signal
N
☞A18
Check 3.5v on Power B/D
Replace Power B/D or
Replace Main B/D
(Power B/D don’t have problem)
Check IR
10/16
Replace
Main B/D
Normal
Signal?
N
Repair/Replace
IR B/D
Y
10
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
D. Function error
2. MR15(Magic Remocon) operating error
☞A4
Check the
INSTART menu
RF Receiver ver
is “00.00”?
☞A23
Check & Repair
Y
RF assy
connection
☞A4
RF Receiver ver
is “00.00”?
Y
N
Check MR15
itself Operation
N
Close
MR13 operating checking
Normal
operating?
Check & Replace
Battery of MR15
Normal
operating?
Replace
MR13
Y
N
Y
N
Press the
wheel
Close
Established
date
Revised date
Is show ok
message?
Y
Close
Is show ok
message?
Close
Y
Turn off/on the set
N
and press the
wheel
N
Press the back key
11/16
about 5sec
Down load the Firmware
* INSTART MENU14.RF
Remocon Test3. Firmware
download
* If you conduct the loop at 3times, change the M4.
11
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
3.Wifi operating error
☞A4
Check the
INSTART menu
Wi-Fi Mac value
is “NG”?
☞A24
Check & Repair
Wifi cable
connection
☞A4
Wi-Fi Mac value
is “NG”?
D. Function error
Wifi operating checking
☞A24
N
Y
N
Check the Wifi wafer
Close
1pin
Established
date
Revised date
Normal
Voltage?
Y
Close
N
12/16
Replace
Main B/D
Change the Wifi
Y
assy
12
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
4.Camera operating error
☞A4
Check the
INSTART menu
D. Function error
Camera Ver.
is “NULL”?
Y
Change the
Camera module
Camera operating checking
☞A25
N
Reconnect the
Camera module
Established
Revised date
Normal
operation?
Y
Close
date
N
13/16
Replace
Main B/D
13
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
Check
input
signal
Y
Signal
input?
N
Check and fix
external device/cable
D. Function error
External device recognition error
Check technical
information
- Fix information
- S/W Version
Technical
information?
Fix in
accordance
with technical
information
Y
External Input and
N
Component
Recognition error
HDMI/
DVI, Optical
Recognition error
Established
date
Revised date
14/16
Replace Main B/D
Replace Main B/D
14
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
Identify
nose
type
E. Noise
Circuit noise, mechanical noise
Circuit
noise
Mechanical
noise
※ Mechanical noise is a natural
phenomenon, and apply the 1st level
description. When the customer does not
agree, apply the process by stage.
※ Describe the basis of the description
in “Part related to nose” in the Owner’s
Manual.
Check
location of
noise
Check location of
noise
Replace PSU
OR
OR
Established
date
Revised date
※ When the nose is severe, replace the module
(For models with fix information, upgrade the
S/W or provide the description)
※If there is a “Tak Tak” noise from the
cabinet, refer to the KMS fix information and
then proceed as shown in the solution manual
(For models without any fix information,
provide the description)
15/16
15
Standard Repair Process
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error
symptom
Zoom part with
exterior damage
Module
damage
Cabinet
damage
Remote
controller
damage
F. Exterior defect
Exterior defect
Replace module
Replace cabinet
Replace remote controller
Established
date
Revised date
16/16
Stand
dent
Replace stand
16
Contents of Standard Repair Process Detail Technical Manual
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
No. Error symptom Content Page Remarks
1
A. Video error_ No video/Normal
audio
2 Check White Balance value A2
4
A. Video error_ video error /Video
lag/stop
5 TV Version checking method A4
6 Tuner Checking Part A5
A. Video error _Vertical/Horizontal bar,
7
residual image, light spot
8
A. Video error_ Color error
9 Adjustment Test pattern - ADJ Key A8
10
11 Exchange Main Board (2) A-2/5
<Appendix>
12 Exchange Power Board (PSU) A-3/5
Defected Type caused by T-Con/
Inverter/ Module
13 Exchange Module (1) A-4/5
Check LCD back light with naked eye A1
TUNER input signal strength checking
method
TV connection diagram A6
Check Link Cable (EPI) reconnection
condition
Exchange Main Board (1) A-1/5
A3
A7
14 Exchange Module (2) A-5/5
Continue to the next page
Contents of Standard Repair Process Detail Technical Manual
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
No. Error symptom Content Page Remarks
16
B. Power error_ No power
17 Check power input Voltage & ST-BY 3.5V A18
18
19
20
21
22
23 Wifi operation checking method A24
24 Camera operation checking method A25 Not Used
25 E. Etc Tool option changing method A26
B. Power error_Off when on, off
while viewing
C. Audio error_ No audio/Normal
video
D. Function error
Check front display LED A17
POWER OFF MODE checking method A19
Checking method in menu when there is
no audio
Voltage and speaker checking method
when there is no audio
Remote controller operation checking
method
Motion Remote operation checking
method
A20
A21
A22
A23
Continued from previous page
Standard Repair Process Detail Technical Manual
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Error symptom
Content
A. Video error_No video/Normal audio
Check LCD back light with naked eye
Established
date
Revised
date
A1
After turning on the power and disassembling the case, check with the naked eye,
whether you can see light from locations.
A1
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