Main
CHASSIS : LD33B
Internal Use Only
MODEL : 47LA66** 47LA71**
LED TV SERVICE MANUAL
CONTENTS
SAFETY PRECAUTIONS
IMPORTANT SAFETY NOTICE
General Guidance
Before returning the receiver to the customer,
Leakage Current Cold Check(Antenna Cold Check)
SERVICING PRECAUTIONS
Page
SPECIFICATION
1. Application range
2. Requirement for Test
3. Test method
4. Model General Specification
Page
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
Page
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
IC100 AT24C256C-SSHL-T
8
NVRAM_RENESAS
MID_MAIN_1 2011.12.13
HDCP EEPROM
I2C
Model Option
X-TAL
NVRAM
PLACE AT JACK SIDE
10
DECAP FOR SOC (HIDDEN - UCC) DECAP FOR SOC Rework (BOTTOM)
2011.12.09 MID_MAIN_3
2011.12.30 11
MID_MAIN_SCART
PLACE AT JACK SIDE
PLACE AT MAIN SOC SIDE
PLACE AT IC6000
K4B4G1646B-HCK0
IC701
MT41K128M16JT-125:K
K4B4G1646B-HCK0
DDR_512MB_SS
IC703
DDR_512MB_SS
IC702
13
CI TS INPUT
Close to MT5369
Close to MT5398
2011.11.21 MID_MAIN_CI
5A
FROM LPB & PSU
24V-->3.48V
Power_DET
+3.3V_NORMAL
Renesas MICOM
THERMAL
39 RX2+
DDC_SCL_MHL
38 RX2-
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
R3357 10K
UI : HDMI2
UI : HDMI1
SIDE
SPDIF
SPDIF OUT
37
JACK_COMMON 2011.11.21
38
JACK_COMMON 2011.11.21
UART FOR DEBUG
AV/COMPONENT REAR
AR4100 100 1/16W
M_REMOTE
P4100 SMAW200-H12S2
Place Near Micom
MAX 0.4A
IC4306 TPS2066CDGNR
43
USB2_USB3 2012.7.11
MAX 1.5A OCP USB2/3
USB2
MAX 1.5A
USB3
DVR Ready
IC4500 BD82020FVJ
OCP USB1 USB1 MAX 1.5A
Full Scart(18 Pin Gender)
JK4600
PSC008-01
46
SCART GENDER 2011.10.26
Ethernet Block
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
0x54
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
IC6000 AZ4580MTR-E1
[SCART AUDIO MUTE]
SCART AUDIO AMP 2011.11.21
60
EARPHONE AMP
62
CI SLOT 2011.10.31
CI POWER ENABLE CONTROL
IC6300 TDA8024TT
+5V_NORMAL
B-CAS (SMART CARD) INTERFACE
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
IF_P
13
20
32
TU6600 TDSS-G501D(B)
TU6503 TDSM-C601D(B)
TU_SYMBOL_EU_M 2012.07.10
66
TU6601 TDSQ-G501D(B)
RS-232C Control INTERFACE
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
IC6900 A8303SESTR-T
LNB 2012.03.08
69
DVB-S2 LNB Part Allegro
Max 1.3A
(Option:LNB)
2A
3A
LVDS
[41Pin LVDS OUTPUT Connector]
[51Pin LVDS OUTPUT Connector]
76
[To LED DRIVER]
LOCAL DIMMING
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
IC7701
2011.12.01
77
<LEVEL SHIFTER BLOCK>
CH6 CH5 CH4
<POWER BLOCK>
THIS IS REVERSE PATTERN !!!!
Page
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
IC8100-*3 KLM2G1HE3F-B001
(Just Interal LDO Capacitor)
eMMC
eMMC I/F
eMMC serial 100 ohm option
Page
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
JAPAN TUNER INTERFACE
Page
Page
CONTENT
EPI Interface
EPI(Embedded Point-Point Interface) Features
Merits
4/ 88
EPI Interface (mini-LVDS vs. EPI)
Comparison
EPI (Embedded clock P-to-P Interface)
HF mini-LVDS
What to change
Page
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
5 / 88
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.
Page
WIFI Built in assy feature
- Pin map
Block diagram
Page
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.
18 / 88
Contents of LCD TV Standard Repair Process Detail Technical Manual
Continue to the next page
19 / 88
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.
20 / 88
A4
21 / 88
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
26 / 88
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
31 / 88
E. Noise
LCD TV
32 / 88
Zoom part with
A28
F. Exterior defect
symptom
LCD TV
33 / 88
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
35 / 88
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
37 / 88
A. Video error_No video/ Audio
LCD TV
Check the DC 24V, 12V, 3.5V. 24 Pin (Power Board Main Board)
Page
Page
Page
41 / 88
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)
Page
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:
49 / 88
24 Pin (Power Board Main Board)
B. Power error _No power
Check the DC 24V, 12V, 3.5V.
50 / 88
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