SERVICE MANUAL
MODEL 32LA62** 32LA62**-Z
READ THE SAFETY PRECAUTIONS IN THIS MANUAL
LED TV
CONTENTS
CONTENTS
SAFETY PRECAUTIONS
SERVICING PRECAUTIONS
IMPORTANT SAFETY NOTICE
SAFETY PRECAUTIONS
Electrostatically Sensitive ES Devices
SERVICING PRECAUTIONS
Replacement
IC Remove/Replacement
Small-Signal Discrete Transistor Removal/Replacement
Removal
4. Model General Specification
SPECIFICATION
1. Application range
3. Test method
symbolrate
Symbolrate 4.0Msymbols/s to 7.2Msymbols/s
DVB-S2 8PSK / QPSK 2 ~ 45Msymbol/s
DVB-S QPSK 2 ~ 45Msymbol/s
5. Component Video Input Y, Pb, Pr
6.2. PC mode
6. HDMI Input 6.1. DTV mode
7.1. HDMI 1.4b 3D supported mode automatically
7.3. RF Input3D supported mode manually
7.2. HDMI Input1.3
7.4. RF Input 3D supported mode automatically
7.5. USB Input 3D supported mode manually
7.7. DLNA Input 3D supported mode manually
7.6. HDMI-PC Input 3D supported mode manually
7.8. Component Input3D 3D supported mode manually
7.9. 3D Input mode
3. Automatic Adjustment
ADJUSTMENT INSTRUCTION
1. Application Range
2. Designation
SET PC
3.3. LAN PORT INSPECTIONPING TEST
3.4. Model name & Serial number Download
3.5. CI+ Key checking method
4.1. EDID DATA
4. Manual Adjustment
3.6. WIFI MAC ADDRESS CHECK
4.2.4. Adj. Command Protocol
4.2. White Balance Adjustment
4.1.2. 2D EDID
4.2.1. Overview
4.2.7. ALELF & EDGE LED White balance table
4.2.5. Adj. method
4.2.6. Reference White balance Adj. coordinate and color temperature
4.6. Wi-Fi Test
4.4. Magic Motion Remote control test
4.3. Local Dimming Function Check
4.5. 3D function test
5. Tool Option selection
7. GND and Internal Pressure check
6. Ship-out mode checkIn-stop
8. Audio
After downloading, have to adjust Tool Option again
9. USB S/W DownloadService only
BLOCK
DIAGRAM
LGE2122
reserved
EXPLODED VIEW
NVRAM
EAX64797001* LD33B EAX64872101* LA33B
X-TAL
Model Option
IC105
PLACE AT JACK SIDE
LGE2122A2M13
IC105 LGE2122A2M13
ZD500
PLACE AT IC6000
PLACE AT JACK SIDE
PLACE AT MAIN SOC SIDE
IC701
DDR512MBSS
K4B4G1646B-HCK0
IC703 K4B4G1646B-HCK0
LGE Internal Use Only
PowerDET
PANELPOWER
FROM LPB & PSU
+5VNormal
For Debug
Renesas MICOM
MICOM MODEL OPTION
GP4 High/MID Power SEQUENCE
HDMI3
SIDE
SPDIF OUT
SPDIF
JACK HIGH / MID
2011.11.21
JACKCOMMON
UART FOR DEBUG
AV/COMPONENT REAR
MREMOTE&WIFIWAFER
MAX 0.4A
AR4100
1/16W
USB2 MAX 1.5A
OCP USB2/3
USB3 MAX 1.5A
IC4306
OCP USB1
USB1
MAX 1.5A
IC4500
JK4600
Full Scart18 Pin Gender
SCART GENDER
2011.10.26
2012.03.08
Ethernet Block
LANVERTICAL
AMPMUTEPWRDET
0x54
AZ4580MTR-E1
SCART AUDIO MUTE
IC6000
2011.09.29
EARPHONE AMP 18pF
HEADPHONE AMP
2011.10.31
CI POWER ENABLE CONTROL
CI SLOT
+3.3VNORMAL
B-CAS SMART CARD INTERFACE
TDA8024TT
+5VNORMAL
Vout=0.6*1+R1/R2
TU6601
TU6600
TU6602
TDSS-G501DB
JP6801
RS-232C Control INTERFACE
JP6800
OptionLNB
DVB-S2 LNB Part Allegro
Input trace widths should be sized to conduct at least 3A
Ouput trace widths should be sized to conduct at least 2A
51Pin LVDS OUTPUT Connector
LVDS
41Pin LVDS OUTPUT Connector
LVDSHIGHMID
P7600 12507WR-08L L/DIMOUT8P
LOCAL DIMMING
R7601 10K L/DIMOUT8P L/DIM0SCLKPWR L/DIM0MOSIPWR R7603
I2CSCL1 L/DIMOUT8P R7602
THIS IS REVERSE PATTERN
POWER BLOCK
LEVEL SHIFTER BLOCK
T-Con
T-Con
eMMC I/F
Don’t Connect Power At VDDI
Just Interal LDO Capacitor
EMMC
+24VAMP OPT C5450 10uF 35V
USE Two serial TS Port for Japan MTK A2 Ball Name Function
JAPAN TUNER INTERFACE
DEMODTSCLK ExtTSCLK DEMODTSSYNC ExtTSSync DEMODTSDATA0 ExtTsD0
DEMODTSVAL ExtTsVAL DEMODTSDATA1 EXT2TsCLK DEMODTSDATA3 EXT2TSSync
Page
2013 LED/LCD TV Engineering guide
Applicable Model Mid-end Platform XXLA74*-Z XXLA71*-Z XXLA69/66*-Z
XXLA64/62/61*-Z XXLN57*-Z
1. New features 2. Main PCBs 3. Block Diagrams, IIC Map
CONTENT
Instruction of new sub ass’ys 6. Adjust way of new features
4. Structure of TV set and connection of sub ass’ys 5. New sub ass’ys
Merits
EPIEmbedded Point-Point Interface Features
EPI Interface
HF mini-LVDS TCON
EPI Interface mini-LVDS vs. EPI
EPI TCON
Comparison
HF mini-LVDS
Features
Topology
Protocol
User Action Area
NFC Near field communication
NFC Tag
From TV to Smart phone
WIFI/BT
Main PCB for Broadband
xxLA660S-Zx
Chassis LD33B
1. LGE2122 Block Diagram
2. LGE 2122 I2C Block Diagram
IC105 LGE
3.5V
3. Power Block Diagram
TDSQ G501D
CI Slot
SoC Side
5. Video/Audio In Block Diagram
Jack Side
Tuner
6. Audio Out Block Diagram
HDMI2
HDMI1
HDMI3
RENESAS WOLCTL MICOM
Level Shift
PMIC
TPS65178
TPS65198
9. PMIC & Level Shift Bloc Diagram
4Pin debugging wafer
Motion Remote Receiver
RENESAS MICOM
USBDM1 USBDP1 /USBOCD1 USBCTL1
PCBs
Interconnection
Cables
47LA660S-ZA
7 IR to Local Key 3Pin Cable 8 IR to Logo Assy 4Pin Cable
6 IR Assy
5. Pairing/Un-pairing Method
Introductions of 13Y RF ass’y + Magic Remote control
1. System 2. Remote Buttons 3. MR13 Block Diagram 4. Function List
Pairing Information Transmission Send to TV after Paired
1. System
Pairing Information Transmission Sequence
Motion Data Transmission
M4 Remote
2. Remote Buttons M4 vs. MR13
MR13 Remote
repeat
Power Management
3. MR13 Block Diagram
Bluetooth Remote control
Bluetooth Receiver
Wireless communication
4. Function list
Battery Boost up Regulator
RF, Gyro, Accelerometer Power Supply
Description
5. RF Pairing / Un-pairing Method
Method
1. Wi-Fi built in Ass’y feature 2. Wi-Fi built in Ass’y specification
Introductions of 13Y WIFI built in ass’y
Pin map
WIFI Built in ass’y feature
Switch
Wafer
WIFI Built in ass’y Specification
1. Widevine? 2. HDCP 2.0 & NETFLIX? 3. DTCP? 4. Changed BOM
Widevine & HDCP 2.0 & NETFLX
Contents
2012. 12
1. Widevine?
Netflix
2. HDCP 2.0 & NETFLIX?
Why HDCP2.0?
HDCP
3. DTCP?
As-Was
4. Changed BOM
Current
Changed Item
Contents of LCD TV Standard Repair Process
Error symptom
Contents of LCD TV Standard Repair Process Detail Technical Manual
Content
Page
Check Power Board 24v output
Main B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable
Check Power Board 12v,3.5v etc
Replace T-con Board or module And Adjust VCOM
3.5V,12V,20V or 24V…
Check various voltages of Power Board
Menu→ Set up→ Support → Signal Test
By using Digital signal level meter By using Diagnostics menu on OSD
Signal strength Normal over 50% Signal Quality Normal over 50%
Check RF Signal level
→ Set-Top-Box, Different maker TV etc
A. Picture Problem DVB-S/S2
Check color by input -External Input COMPONENT
A10/ A11
※ Check and
replace Link
Vertical/Horizontal bar, residual image, light spot
External device screen error-Color error
Replace Main B/D adjust VCOM
A10/ A11
Check Power On ‘”High”
Check Power LED
Measure voltage of each output of Power B/D
Check ST-BY
If Power Off mode is not displayed Check Power B/D voltage
Check Power Off Mode
POWEROFFABNORMAL1
POWEROFFCPUABNORMAL
Check user menu Speaker off
Check audio B+ 24V of Power Board
Check audio B+ Voltage
In case of External Input signal error Check and fix external device
Check IR Output signal
Check & Repair Cable connection Connector solder
Check 3.5v on Power B/D Replace Power B/D or Replace Main B/D
Power B/D don’t have problem
External device recognition error
D. Function error
Identify noise type
F. Exterior defect
Adjust VCOM
G. Network Error
Check SVC Bulletin
Check defect CI slot pin
Continued from previous page
Entry method
Standard Repair Process Detail Technical Manual
ALL MODELS
SMAW200-H24S
24 Pin Power Board ↔ Main Board
Check the DC 24V, 12V
When the signal is strong, use the attenuator -10dB, -15dB, -20dB etc
A. Video errorVideo error, video lag/stop
MENU support signal test select channel
Press the IN-START with the remote controller for adjustment
1. Checking method for remote controller for adjustment
Version
ALL MODELS
image, light spot
A. Video error Vertical/Horizontal bar, residual
Checking method
You can view 6 types of patterns using the ADJ Key
A. Video errorColor error
MODULE error ADD-BAR,SCAN BAR
4.Video error Classification of MODULE or Main-B/D
Abnormal Power Section
Appendix Exchange EPI Cable or Main B/D
Solder defect, CNT Broken
Solder defect, Short/Crack
Abnormal Display
Fuse Open, Abnormal power section
GRADATION
Noise
Dim Light
Appendix Exchange LPBLED driver
No Light
Un-repairable Cases In this case please exchange the module
Appendix Exchange the Module
Panel Mura, Light leakage Crosstalk Press damage
Panel Mura, Light leakage
Un-repairable Cases In this case please exchange the module
Front LOGO LED control in the status of ST-BY Condition
For ’10 models, there is no voltage out for st-by purpose
When st-by, only 3.5V is normally on
Checking method when power is ON
Check “power on” pin is high
2. Check the entry into adjustment item
1. Press the IN-START button of the remote controller for adjustment
B. Power error Off when on, off whiling viewing
Entry method
1. Press the MENU button on the remote controller
C. Audio errorNo audio/Normal video
2. Select the SOUND function of the Menu
3. Change TV Sound Out to TV Speaker
Checking order when there is no audio
③ ④ ② ①
LCD module change T-Con board change