Main
CONTENTS
SAFETY PRECAUTIONS
IMPORTANT SAFETY NOTICE
General Guidance
Before returning the receiver to the customer,
Leakage Current Cold Check(Antenna Cold Check)
SERVICING PRECAUTIONS
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SPECIFICATION
1. Application range
2. Requirement for Test
3. Test method
4. Model General Specification
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5. Component Video Input (Y, Pb, Pr)
6.2. PC mode
6. HDMI Input
6.1. DTV mode
7. 3D Mode
7.1. HDMI 1.4b (3D supported mode automatically)
7.3. RF Input(3D supported mode manually)
7.4. RF Input (3D supported mode automatically)
7.2. HDMI Input(1.3)
7.5. USB Input (3D supported mode manually)
7.8. Component Input(3D) (3D supported mode manually)
7.6. HDMI-PC Input (3D supported mode manually)
7.7. DLNA Input (3D supported mode manually)
7.9. 3D Input mode
ADJUSTMENT INSTRUCTION
1. Application Range
2. Designation
3. Automatic Adjustment
3.1. MAC address D/L, CI+ key D/L, Widevine key D/L, ESN D/L, HDCP14/20 D/L
3.3. LAN PORT INSPECTION(PING TEST)
3.3.1. Equipment setting
3.3.2. LAN PORT inspection(PING TEST)
3.4. Model name & Serial number Download
SET PC
4. Manual Adjustment
4.1. EDID DATA
4.1.1. 3D EDID
4.1.2. 2D EDID
4.2. White Balance Adjustment
4.2.1. Overview
4.2.2. Equipment
4.2.3. Equipment connection MAP
4.2.4. Adj. Command (Protocol)
4.2.5. Adj. method
4.2.6. Reference (White balance Adj. coordinate and color temperature)
4.2.7. ALELF & EDGE LED White balance table
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4.7. LNB voltage and 22KHz tone check
4.8. Option selection per country
4.8.1. Overview
4.8.2. Method
5. Tool Option selection
6. Ship-out mode check(In-stop)
7. GND and Internal Pressure check
7.1. Method
7.2. Checkpoint
9. USB S/W Download(Service only)
* After downloading, have to adjust Tool Option again.
BLOCK DIAGRAM
LGE2122
EXPLODED VIEW
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CONTENT
EPI Interface
EPI(Embedded Point-Point Interface) Features
Merits
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EPI Interface (mini-LVDS vs. EPI)
Comparison
EPI (Embedded clock P-to-P Interface)
HF mini-LVDS
What to change
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NFC (Near field communication)
Main PCB for Broadband
xxLA660S-Zx
1. LGE2122 Block Diagram
LGE 2122
IC105 LGE 2122
2. LGE 2122 I2C Block Diagram
3. Power Block Diagram 3.5V
24V
5V USB 3A
)
(
4. Tuner/CI Block Diagram
LGE 2122
TDSQ- G501D
CI Slot
5. Video/Audio In Block Diagram
LGE 2122
JK4600
Jack Side SoC Side
JK501
6. Audio Out Block Diagram
SPDIF_OUT
[ASPDIF0]
IC8101 Audio AMP NTP7513
HP_L/ROUT_AMP
7. HDMI
SIL1292
TMDS Link 8bits
HDMI3
EPI Tx Block
LGE 2122
GMA1/GMA3/GAM9/GMA10/GMA16/GMA18
50Pin X 2
8. Panel Interface Block Diagram
Page
10. USB / WIFI / M-REMOTE / UART
LGE 2122
USB1
OCP
Motion Remote Receiver
Interconnection - 1
LED driver / PSU
[PCBs]
[Cables]
47LA660S-ZA
Interconnection - 2
[Cables]
[PCBs]
47LA660S-ZA
Introductions of 13Y RF assy + Magic Remote control
3. MR13 Block Diagram
1. System
Pairing Information Transmission (Send to TV after Paired)
The receiver sends the pairing success packet to TV directly.
Voice Data Transmission
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2. Remote Buttons (M4 vs. MR13)
RF_CODE
M4 Remote MR13 Remote
IR_CODE
repeat
3. MR13 Block Diagram
Key Button
Connector
(Knowles)
Power Management
4. Function list
5. RF Pairing / Un-pairing Method
Method Description
at the same time for 5 sec.
RF Pairing
unpairing.
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WIFI Built in assy feature
- Pin map
Block diagram
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Widevine & HDCP 2.0 & NETFLX
Contents
1. Widevine?
dowmload by NSU is impossible.)
Widevine Key is unique data stored TV for using Widevine.
2. HDCP 2.0 & NETFLIX?
3. DTCP?
[Three cryptographic Keys]
4. Changed BOM
As-Was Current
Contents of LCD TV Standard Repair Process
C. Audio error
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
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Contents of LCD TV Standard Repair Process Detail Technical Manual
Continue to the next page
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Check Power Board
A7 & A3
LCD TV
symptom A. Video error No video/ Normal audio
A4 A1 A2
A28
First of all, Check whether all of cables between board is inserted properly or not.
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A4
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A. Picture Problem
A7
A6
. By using Digital signal level meter
. By using Diagnostics menu on OSD
A. Picture Problem (DVB-S/S2)
A7
S/W Upgrade
A6
Normal
A. Video error
A10/ A11
Color error
A8
error?
Vertical/Horizontal bar, residual image, light spot
For other panel
For LGD panel
Vertical / Horizontal bar, residual image,
light spot, external device color error
2012. 12 .06
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B. Power error
symptom
A19
Off when on, off while viewing, power auto on/off
and check each 3
C. Audio error
No audio/ Normal video
A24 A25
Established date Revised date
LCD TV
C. Audio error
symptom
Revised date
Wrecked audio/ discontinuation/noise
Connect and check
D. General Function Problem
A27
Y
A4
Remote control & Local switch checking
D. Function error
symptom
LCD TV
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E. Noise
LCD TV
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Zoom part with
A28
F. Exterior defect
symptom
LCD TV
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G. Network Error
- Check ethernet Port
LCD TV
SVC
Y
G. CI+ Competibility Error
LCD TV
Check defect CI slot pin Check its worked CI+ 1.2 or 1.3 Setting Antenna CI information
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Contents of LCD TV Standard Repair Process Detail Technical Manual
audio/discontinuation
case of audio error
Continued from previous page
A. Video error_No video/Normal audio
LCD TV
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A. Video error_No video/ Audio
LCD TV
Check the DC 24V, 12V, 3.5V. 24 Pin (Power Board Main Board)
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A. Video error_Video error, video lag/stop
<ALL MODELS>
A. Video error_Color error
You can view 6 types of patterns using the ADJ Key
Appendix : Exchange EPI Cable or Main B/D (1)
Appendix : Exchange EPI Cable or Main B/D (2)
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Page
Source TAB IC Defect
Appendix : Exchange the Module (2)
Un-repairable Cases In this case please exchange the module.
ST-BY Condition:
in the main menus.
Power On Condition:
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24 Pin (Power Board Main Board)
B. Power error _No power
Check the DC 24V, 12V, 3.5V.
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Checking method when power is ON
Check power on pin is high
B. Power error _No power
LCD TV
24 Pin (Power Board Main Board)
Page
Checking method
LCD TV
LCD TV
D. VCOM Adjustment 1. Case
2. Equipment
3. Adjust sequence
LCD TV