TCL L40B2800 User manual

TCL
SERVICE MANUAL
L49D2930/MS08B1-AP
1. Caution…………………………………………………………………………
2. specification……………………………………………………………………
3. Alignment Procedure…………………………………………………………
4．Block diagram…………………………………………………………………
5．Scheme Diagram ……………………………………………………………
6. Troubleshooting………………………………………………………………
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This m anual i s t he l atest at t he t ime of pr inting, and doe s not
include the modification which may be made after the printing, by
the constant improvement of product

CA UTION: TO RE DUCE THE RIS K OF
ELECTR ICA L SHOCK, DO NOT RE MOVE
COVER (OR BACK). NO USER SERVICEABLE
PAR TS INSIDE . RE FER SER VIC ING TO
QUALIFIED SERVICE PERSONNEL.
The lighting flash with arrowhead symbol, with an equilateral triangle is intended to
alert the user to the presence of uninsulated voltage within the products
enclosure that may be of sufficient magnitude to constitute a risk of electric shock to
the person.
The exclamation point within an equilateral triangle is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the
literature accompanying the appliance.
CAUTION:
Use of controls, adjustments or procedures other than those specified herein may result in
hazardous radiation exposure.
CA U T ION
RISK
RISK OF
ELECTRI
ELECTRIC
SHOCK
SHOCK DO
NOT
NOT
OPEN.
OPEN.
2
dangerous
WARNING: TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
SCHNEIDER ELECTRONICS GMBH-GERMANY
1. CAUTION
2

1. When the power cord or plug is damaged or frayed, unplug this television set from the wall outlet and refer servicing to
qualified service personnel.
2. Do not overload wall outlets and extension cords as this can result in fire or electric shock.
3. Do not allow anything to rest on or roll over the power cord, and do not place the TV where power cord is subject to
traffic or abuse. This may result in a shock or fire hazard.
4. Do not attempt to service this television set yourself as opening or removing covers may expose you to dangerous
voltage or other hazards. Refer all servicing to qualified service personnel.
5. Never push objects of any kind into this television set through cabinet slots as they may touch dangerous voltage
points or short out parts that could result in a fire or electric shock. Never spill liquid of any kind on the television set.
6. If the television set has been dropped or the cabinet has been damaged, unplug this television set from the wall outlet
and refer servicing to qualified service personnel.
7. If liquid has been spilled into the television set, unplug this television set from the wall outlet and refer servicing to
qualified service personnel.
8. Do not subject your television set to impact of any kind. Be particularly careful not to damage the picture tube surface.
9. Unplug this television set from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a
damp cloth for cleaning.
10.1. Do not place this television set on an unstable cart, stand, or table. The television set may fall, causing serious injury
to a child or an adult, and serious damage to the appliance. Use only with a cart or stand recommended by the
manufacturer, or sold with the television set. Wall or shelf mounting should follow the manufacturer s instructions, and
should use a mounting kit approved by the manufacturer.
10.2. An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces
may cause the appliance and cart combination to overturn.
CAUTION:
Read all of these instructions. Sa ve these instructions for later use . Follo w all Warnings and
Instructions marked on the audio equipment.
1. Read Instructions-All the safety and operatinginstructionsshouldbe read before the productis operated.
2. Retain Instructions- The safety and operating instructions should be retained for future reference.
3. Heed Warnings- All warnings on the product and in the operating instructions should be adhered to.
4. Follow Instructions- All operating and use instructions should be followed.
3
SCHNEIDER ELECTRONICS GMBH-GERMANY
IMPORTANT SAFETY INSTRUCTIONS
FOR YOUR PERSONAL SAFETY
3

11. Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a
wet basement, or near a swimming pool, etc.
Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall
outlet and refer servicing to qualified service personnel.
12. Choose a place where light (artificial or sunlight) does not shine directly on the screen.
13. Avoid dusty places, since piling up of dust inside TV chassis may cause failure of the set when high humidity persists.
14. The set has slots, or openings in the cabinet for ventilation purposes, to provide reliable operation of the receiver, to
protect it from overheating. These openings must not be blocked or covered.
Never cover the slots or openings with cloth or other material.
Never block the bottom ventilation slots of the set by placing it on a bed, sofa, rug, etc.
Never place the set near or over a radiator or heat register.
Never place the set in enclosure, unless proper ventilation is provided.
15.1. If an outside antenna is connected to the television set, be sure the antenna system is grounded so as to provide some
protection against voltage surges and built up static charges, Section 810 of the National Electrical Code, NFPA No.
70-1975, provides information with respect to proper grounding of the mast and supportingstructure, grounding of the
lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection
to grounding electrode, and requirements for the grounding electrode.
15.2. Note to CATV system installer : (Only for the television set with CATV reception)
This reminder is provided to call the CATV system attention to Article 820-40 of the NEC that provides
guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding
system of the building, as close to the point of cable entry as practical.
16. An outside antenna system should not be located in the vicinity of overhead power lines or other electric lights or power
circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care
should be taken to keep from touching such power lines or circuits as contact with them might be fatal.
17. For added protection for this television set during a lightning storm, or when it is left unattended and unused for long
periods of time, unplug it from the wall outlet and disconnect the antenna. This will prevent damage due to lightning
and power-line surges.
ANTENNA
LEAD- IN WIRE
ANTENNA DISCHARGE
UNIT (NEC SECTION
810-20)
GROUNDING
CONDUCTORS
(NEC SECTION810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250. PART H)
ELECTRIC SERVICE
EQUIPMENT
GROUND CLAMP
NEC-NATIONAL ELECTRICAL CODE
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS
a built-in
installer s
4
SCHNEIDER ELECTRONICS GMBH-GERMANY
PROTECTION AND LOCATION OF YOUR SET
PROTECTION AND LOCATION OF YOUR SET
4

18. This television set should be operated only from the type of power source indicated on the marking label.If you are not
sure of the type of power supply at your home, consult your television dealer or local power company. For television
sets designed to operate from battery power, refer to the operating instructions.
19. If the television set does not operate normally by following the operating instructions, unplug this television set from the
wall outlet and refer servicing to qualified service personnel. Adjust only those controls that are covered in the operating
instructions as improper adjustment of other controls may result in damage and will often require extensive work by a
qualified technician to restore the television set to normal operation.
20. When going on a holiday : If your television set is to remain unused for a period of time, for instance, when you go on
a holiday, turn the television set and unplug the television set from the wall outlet.
21. If you are unable to restore normal operation by following the detailedprocedurein your operatinginstructions,
do not attempt any further adjustment. Unplug the set and call your dealer or service technician.
22. Whenever the television set is damaged or fails, or a distinct change in performance indicates a need for
service, unplug the set and have it checked by a professional service technician.
23. It is normal for some TV sets to make occasional snapping or popping sounds, particularly when being
turned on or off. If the snapping or popping is continuous or frequent, unplug the set and consult your
dealer or service technician.
24. Do not use attachments not recommendedby the television set manufacturer as they may cause hazards.
25. When replacementparts are required, be sure the service technicianhas used replacementparts specified
by the manufacturer that have the same characteristics as the original part. Unauthorized substitutions
may result in fire, electric shock, or other hazards.
26. Upon completion of any service or repairs to the television set, ask the service technician to perform
routine safety checks to determine that the television is in safe operating condition.
off
5
SCHNEIDER ELECTRONICS GMBH-GERMANY
OPERATION OF YOUR SET
IF THE SET DOES NOT OPERATE PROPERLY
FOR SERVICE AND MODIFICATION
5

Product Type LCD Smart TV Music support MP3/AC3/HE-AAC/LPCM/WMA
Flatform: DVB-T/T2/C Picture Support JPEG、BMP、PNG、MPO
software：Linux
PCB Main：MS08B1 40-MS08B1-MA*2LG
Tuner：R840(Rafael Micro）
CPU 1GHZ
OS Linux
Memory Bein 2Gb DDR3 +External 1Gb DDR3/ 4Gb
NandFlash
OSD Language
English/Portuguese/Spanish/Vietnam/French/Ru
ssian/Thai/Arabian/Persian/Mongolian
PAL/SECAM B/G,D/K,I ;NTSC-M
DVB-T/DVB-T2/DVB-C Component Video Format YPBPR：up to 1080P
AV System PAL,NTSC DVI Video Format Up to XGA for HDMI-PC
Channels(Analog) 199(1~199) HDMI Video Format up to 1080P
DTV Channels DVB-T2 1000(1~1000)(programs) PC Compatibility Up to SXGA
Power Supply AC 110V-240V 50/60Hz
Power Consumption（TV On）110W
Power Consumption（Standby）≤0.5W
Certification CB
Wired Network Default
Built-in Wireless Network
EPG Yes(at DTV) Backlight Unit LED
Subtitle Yes(at DTV) Panel supplier CSOT
Parental Control Yes(at DTV) Aspect Ratio 16:9
Lock Yes Panel Size (inch) 48.5"
V-Chip --- Display Resolution 1920*1080
CCD (Closed Caption) --- Brightness (cd/m2)(typ.) 280
Sleep Timer Yes Contrast Ratio 4000:1
Teletext Yes Response Time (G to G) 6.5ms
Nicam Yes Viewing Angle (H/V) 178°/178°
MTS --- Life Time(Typ.) ＞30,000hrs
Screen Saver Yes Color 16.7M(8bit)
System Update Yes Refresh Rate 60Hz
Hotel Mode Optional(In factory mode)
REC Yes
Analog / Digital Signal Receiver Yes
MHL ---
Card Reader ---
TimeShift Yes
Off Timers Yes
Natura Light Technology ---
DCC（Dynamic Contrast Control）ON/OFF
Backlight Adjustable Yes (0~100)
Color Temperature Warm / Normal/ Cool
Picture Mode Normal, Mid, Vivid, User
Picture Size Auto,16:9,4:3,Just Scan
Gamma Adjustable ---
Comb Filter 3D
Dynamic Noise Reduction 3D
Adaptive Deinterlacing 3D
Motion Compensation Yes
Speakers Integrated speakers (Bottom Side)
Audio Power Output（THD=7%）2×8W
Smart Volume Yes(Built-in)
Smart Audio Normal,Music,Movie,News,User
Sound Control Volume, Balance,5 Band EQ
Sound Scene ---
Surround Sound Yes
DD (Dolby Digital ) Yes
Dobly DD+ Yes
Special Function
Panel Specification
Sound
TV System
Internet Link
Terminals
Signal Format Capability
Picture
Media Format
Basic Function
PRODUCT SPECIFICATION RELEASE
Model: L49D2930/MS08B1-AP/CS1GTA Smart TV
Version：1.0 Issued On: 2016-5-19
Basic Information
Chassis
Video
S
uppor
t
H
.
264
、
MPEG1
、
MPEG2
、
MPEG4
、
Motion JPEG/VC1
、
Note:For coding files,there are many kinds non-standard
coding method,so this system can not be guaranteed to
support the file formats using any coding method.

Twitter YES File Share YES
Facebook YES Wireless Display YES
TV Browser YES GoLive 2.0 YES
YouTube YES
Carton Dimensions LxWxH（mm）1285*154*775mm
Container Loading---20 feet（pcs）192
Container Loading---40 feet（pcs）411
Container Loading--40 feet High（pcs）459
Net Weight With Stand（Kg）11.3KG
Net Weight Without Stand（Kg）11.5KG
Gross Weight With Packaging（Kg）15.3KG
VESA Mounting Dimensions LxH（mm 200x200
Operation Manual English(Default) Wall Mount WMB331
Remote Control and batteries RC260B(TCL LOGO,with two AAA batteries)
Base Stand Integrated Packaging
AC power cord 1PC
Adapt Cable Wire For AV Or YPBPR /
Drafted by:gongjunzan/wangting Approved by:
Desi
g
n and s
p
ecifications are sub
j
ect to chan
g
e without notice!
Optional Accessories
Essential Accessories（Default）
Mechanical ID Picture
Pre-Installed Application List
Remote ID PictureMechanical Key Specification
966
Unit:mm
Unit:mm
76
221
711
643.8
16.8
18
20.4
1112

第1页共 11 页
TCL 集团多媒体电子全球制造中心
GP 设计中心
Alignment Procedure
MS08BP/MS08BPA／ＭＳ０８Ｂ／ＭＳ０８ＢＡ／ＭＳ０８ＢＰＢ／ＭＳ０８ＢＢ／ＭＳ０８Ｂ１ Series
MODEL：L40B2800/L32D2700/L40／５０／５５D2700
VERSION：V1.0
PREPARED BY : Gongjunzan DATE : 2015-2-10
APPROVED BY : DATE:
文件编号：IPC/SJ/FK02-2013
序号：

第2页共 11 页
History Description of major changes Release
Date
Changed by
V1.0 2015-2-10
1.Overview
MS08BP These chassis are designed for Eastern Europe markets Ready for IPTV. The main
chip is from Mstar and supports below features matrix:
2.Factory Menu
1、Methods of Entering
Method 1：Using the remote ,
Select “Picture” and press “OK” key to enter into Picture Mode press RIGHT” or
“LEFT” key Select User Mode
- Scroll down to "Contrast" item
- Press the subsequence RCU keys “9”, “7”, “3” and “5”，will appear in the left top of screen
In case of “Factory hotKey” is enabled（On）, just press RCU “Return” key to pop-up
again the Factory menu.
The status of “Factory Key” can be changed in Factory Menu->Hotkey.
Press RCU “OK” key to enter the submenu.
Press RCU “Menu” key to go back to the root menu.
Press RCU “RIGHT” or “LEFT” key to change the values.
Press RCU “OK” key run the function.
Press RCU “Exit” key exit the Factory menu.

第3页共 11 页
2. General introduction
FACTORY MENU
ITEMS Default
Setting Description
St
at
us
1-Factory hotkey Off Factory hotkey Switch (OFF/ON).Should be OFF
after factory alignment OK
2-WARM-UP Off
OFF：The set would enter standby mode after
15 minutes without input signal；
ON：Aging mode. Aging time will display on
the left bottom of screen.
NOTE: Enter and exit the aging mode method: 1,
press on the remote control Left and right the cursor
keys will Factory hotkey set to ON; 2, WARM UP is set
to ON; according to the panel on the "menu" button to
exit the aging mode
OK
3-ADC ADC calibration（refer as follow），NOTE: Not
adjust
OK
4-White balance White Balance data adjustment （ refer as
follow）
The balance data is set by PE before the mass
production. Do not need adjust.
OK
5-SHOP
init(Option)
DO Reset the set after production
alignment;(This operation will remove all
unnecessary factory value; The factory
hotkey will be turn off)
OK
6-NVM reset DO System initialization. Restore all data
except the White Balance and ADC data ;Only
for R&D.
OK
7-Preset Factory
Channel
DO/HZ Preset specific factory channels for
specific factory. Press left and right
button to select the factory, and then press
OK to confirm.
OK
8-Power on mode LAST On: Always turns on TV when AC power on
STB：Always goes to standby mode when AC power
on
LAST：Restore the status before the last AC
power off
OK