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
Page
SPECIFICATION
1. Application range
2. Requirement for Test
3. Test method
4. Model General Specification
Page
5. Component Video Input (Y, Cb/Pb, Cr/Pr)
6. RGB input (PC)
7. HDMI Input
7.1. DTV mode
7.2. PC mode
ADJUSTMENT INSTRUCTION
1. Application Range
2. Designation
3. Automatic Adjustment
3.1. ADC Adjustment
3.2. MAC address D/L, CI+ key D/L, Widevine key D/L, ESN D/L
3.3. LAN
3.3.1. Equipment & Condition
3.3.2. LAN inspection solution
3.3.3. WIDEVINE key Inspection
3.5. Model name & Serial number Download
3.5.1. Model name & Serial number D/L
3.5.2. Method & notice
3.6. CI+ Key checking method
3.6.1. Check the method of CI+ Key value
4. Manual Adjustment
4.1 EDID(The Extended Display Identification Data)/DDC(Display Data Channel) download
4.1.1. Overview
4.1.2. Equipment
4.1.3. Download method
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)
4.3. EYE-Q function check
4.4. Local Dimming Function Check
4.5. Magic Motion Remote control test
4.6. 3D function test
4.7. Wi-Fi Test
4.8. LNB voltage and 22KHz tone check
4.9. Option selection per country
4.9.1. Overview
5. Audio
6. USB S/W Download(Service only)
* After downloading, have to adjust Tool Option again.
Screw specification and application situation
SCREW ASSEMBLY WORKING GUIDE
MTK
EPI
MUX
sui
Side
BLOCK DIAGRAM
Rear
jpG jpG
EXPLODED VIEW
IC104 AT24C256C-SSHL-T
LGE2112
NVRAM_RENESAS
HEAT SINK SMD GASKET
HDCP EEPROM
Crystal Matching Test result : 27pF -> 20pF -> 24pF
EAX6430790* : LD22* / LC22* EAX6443420* : LT22* / LJ22* / LA22* / LB22*
Place at JACK SIDE
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
PLACE AT JACK SIDE
PLACE AT JACK SIDE
CH6
CH5
CH4
SMD Gaskit
PLACE AT MAIN SOC SIDE
2011.12.30 11
MID_MAIN_SCART
PLACE AT JACK SIDE
PLACE AT IC6000
IC703
IC701
IC704
IC702
DDR ONE SIDE 12
13
2011.11.21 MID_MAIN_CI
CI TS INPUT Close to MT5369
Close to MT5369
CI TS OUTPUT
On-semi
TYP 1450mA
+3.3V_NORMAL
DDR MAIN 1.5V
#16/#20/#23 LD - GND OR USE LE(N.L.D.) - OPEN LE(L.D.) - USE
Renesas MICOM
MICOM MODEL OPTION
10
GP4 High/MID Power SEQUENCE
Eye Sensor Option
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
UI : HDMI1 UI : HDMI3
HDMI 4 2011.10.29
33
UI : HDMI2
RGB/ PC AUDIO/ SPDIF
SPDIF OUT
36
Page
RS232C CVBS 1 PHONE JACK
COMPONENT 1 PHONE JACK
JACK_COMMON 2011.11.21
38
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
IR & KEY
IR / KEY 2011.11.21
41
RGB Sensor
Zener Diode is
3A
USB3_HUB_WiFi 2011.10.26
43
USB_DCDC_SN1104041
L4306 BLM18PG121SN1D
Full Scart(18 Pin Gender)
AR4800 100 1/16W
M_REMOTE
MOTION REMOTE 2011.11.21
48
ZigBee_Radio Pulse M_REMOTE OPTION
ALL M_REMOTE OPTION
Ethernet Block
LAN_VERTICAL 2011.12.09
50
IC5800 STA380BW
0X38
GP4_MT5369 58
2011.11.21 AUDIO[ST]
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
IC6000 AZ4580MTR-E1
60
[SCART AUDIO MUTE]
EU
EARPHONE AMP
2011.09.29 HEADPHONE AMP 61
CI POWER ENABLE CONTROL
CI SLOT 2011.10.31
62
Option FOR MTK Option FOR LG1152
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
TU6500 TDSS-G151D
Vout=0.6*(1+R1/R2)
TUNER 2011.11.21
T/C/S & H/NIM & T2/C TUNER(EU & CHINA)
DVB-S2 LNB Part Allegro
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
69
(Option:LNB)
LNB 2011.11.21
AUDIO OUT JACK (OPT:COMMER_EXT_AMP)
[51Pin LVDS OUTPUT Connector] [41Pin LVDS OUTPUT Connector]
LVDS
71
LVDS_HIGH_MID 2011.08.11
33 1/16W
L/DIM_OUT
LOCAL DIMMING
[To LED DRIVER]
LOCAL DIMMING 2011.12.13
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
IC7700 TPS65178RSLR
<LEVEL SHIFTER BLOCK>
IC7701
TPS65198
T-Con
<POWER BLOCK>
eMMC I/F
Dont Connect Power At VDDI
Place Near Micom
Page
Page
CONTENT
EPI Interface
EPI(Embedded Point-Point Interface) Features
Merits
EPI Interface (mini-LVDS vs. EPI)
Comparison
EPI (Embedded clock P-to-P Interface)
HF mini-LVDS
What to change
Page
Main PCB for Broadband
xxLM760S-ZB
MTK5369 Block Diagram( LM76 )
CI slot
LNB
MTK
CI slot
Jack Interface
Main SoC MTK
AZ4580M
Full Scart(18 Pin Gender)
IC6100 TPA6132A2
GP4 Backend block diagram (EPI & T-con)
IC7700 TPS65178
IC7701 TPS65198
EPI LEFT
EPI RIGHT
GP4 Backend block diagram (EPI & T-Con)
Main SoC MTK
TPS65178
EPI LEFT
EPI RIGHT
GP4 Backend block diagram (LVDS Tx & Local Dimming)
LVDS Tx Block
Main SoC MTK
Output
51Pin
Interconnection - 1
[PCBs]
[Cables]
xxLM760S-ZA
Page
2012Y IR + Soft Touch LED Lighting Scenario
Power LED Scenario
Page
Introductions of GP4 Sensor (Touch IC)
Touch EEPROM Register change with USB port
Addr Value
Page
1. System
Page
3. M4 Block Diagram
4. Function list
5. RF Pairing / Un-pairing Method
Method Description
Page
WIFI Built in assy feature(LGIT)
WIFI built in feature
Page
Page
Page
1. Widevine?
2. HDCP 2.0 & NETFLIX?
3. DTCP?
4. Changed BOM
Page
Contents of LCD TV Standard Repair Process
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
Contents of LCD TV Standard Repair Process Detail Technical Manual
Continue to the next page
date
Revised date 1/13
symptom A. Video error No video/ Normal audio
First of all, Check whether all of cables between board is inserted properly or not.
(Main B/DPower B/D, LVDS Cable,Speaker Cable,IR B/D Cable,,,)
A4
A. Picture Problem
A6
A7
MenuSetup Booster
A. Picture Problem (DVB-S/S2)
A6
A7
Color error
A8
A10/ A11
A12
date Revised date 4/13
symptom 2010. 12 .14
Vertical/Horizontal bar, residual image, light spot
Vertical / Horizontal bar, residual image, light spot, external device color error
For other panel
For LGD panel
A12
B. Power error
Off when on, off while viewing, power auto on/off
A19
A22
date Revised date 7/13
C. Audio error
A24 A25
abnormal audio/discontinuation/noise is same after Check input signal compared to No audio
C. Audio error
A25
Wrecked audio/ discontinuation/noise
date Revised date 9/13
D. General Function Problem
1. Remote control(R/C) operating error
A4
D. Function error
E. Noise
F. Exterior defect
A28
Contents of LCD TV Standard Repair Process Detail Technical Manual
Continued from previous page
A. Video error_No video/Normal audio
A. Video error_No video/ Audio
Check the DC 24V, 12V, 3.5V.
Page
Page
Page
A. Video error_Video error, video lag/stop
Page
Appendix : Exchange T-Con Board (1)
Appendix : Exchange T-Con Board (2)
Page
Page
Page
Page
B. Power error _No power
For 10 models, there is no voltage out for st-by purpose. When st-by, only 3.5V is normally on.
Check the DC 20V/24V, 12V, 3.5V.
B. Power error _No power
Check power on pin is high
Page
Checking method
C. Audio error_No audio/Normal video
D. VCOM Adjustment 1. Case
2. Equipment
3. Adjust sequence