TCL L28B2500 Schematic
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L28B2500-MS306D-LA
#AUTION…………………………………………………………………………
SPECIFICATION
!LIGNMENT0ROCEDURE
ˊ"LOCKDIAGRAM………………………………… ………………………………
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RISK OF
ELECTRIC
SHOCK DO
NOT
OPEN.
SCHNEIDER ELECTRONICS GMBH-GERMANY
1. CAUTION
CAUTION:
Use of controls, adjustments or procedures other than those specified herein may result in
hazardous radiation exposure.
CA UTION : TO RE DUCE THE RIS K OF
CA U T IO N
RISK
SHOCK
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.
ELECTRI
NOT
OPEN.
ELECTR ICAL SHOCK, DO NOT RE MOVE
COVER (OR BACK). NO USER SERVIC EABL E
PAR TS INS IDE. RE FER SE R VIC ING TO
QUALIFIE D SERVICE PERS ONNEL.
dangerous
WARNING: TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
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2
SCHNEIDER ELECTRONICS GMBH-GERMANY
IMPORTANT SAFETY INSTRUCTIONS
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.
FOR YOUR PERSONAL SAFETY
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.
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SCHNEIDER ELECTRONICS GMBH-GERMANY
PROTECTION AND LOCATION OF YOUR SET
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.
a built-in
PROTECTION AND LOCATION OF YOUR SET
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.
EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTR UCTIONS
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
ANTENNA
LEAD- IN WIRE
GROUND CLAMP
ELECTRIC SERVICE
EQUIPMENT
NEC-NATIONAL ELECTRICAL CODE
ANTENNA DISCHARGE
UNIT (NEC SECTION
810-20)
GROUNDING
CONDUCTORS
(NECSECTION 810-21)
GROUND CLAMPS
POWER SER VICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250. PART H)
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 Ar ticle 820-40 of the NEC that provides
installer s
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.
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SCHNEIDER ELECTRONICS GMBH-GERMANY
OPERATION OF YOUR SET
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.
off
IF THE SET DOES NOT OPERATE PROPERLY
21. If you are unable to restore normaloperation by followingthe detailedprocedurein youroperating instructions,
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.
FOR SERVICE AND MODIFICATION
24. Do not use attachments not recommendedby the television set manufacturer as they may cause hazards.
25. When replacement parts are required, be sure the service technician has used replacement parts 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 tele vision set, ask the service technician to perform
routine safety checks to determine that the television is in safe operating condition.
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t
t
TCL MULTIMEDIA
LCD TV SPECIFICATION RELEASE
Version: V1.0 Issued Date: 2013.04.10
Model: LED28B2500/MS306D-ISDB-T LA
PICTURE
Panel Size (inch) 28"
Category LCD TV
Aspect Ratio 16:9
Color Temperature Medium/Warm/Cool SIGNAL FORMAT CAPABILITY
Backlight Adjustable Yes Component Video Format Y,Pb/Cb,Pr/Cr:up to 1080P
Scaler Mode Auto/4:3/16:9 /Zoom1/Zoom2/Just Scan/Panorama DVI Video Format Up to XGA for HDMI-PC
Picture Effect 4 picture effects preset (Standard/Bright/Mild/User) HDMI Video Format up to 1080P
Film Mode (3:2 pull down) Auto PC Compatibility Up to SXGA
Picture Enhancement TERMINALS
Comb Filter 3D
Dynamic Niose Reduction
Adaptive Deinterlacing 3D S-Video Input X
Blue Stretch Yes Audio Input for S-Video X
Black Stretch Yes YPbPr Inpu
Motion Compensation Yes Audio Input for YPbPr
DLTI Yes YCbCr Input
DCTI Yes Audio Input for YCbCr
Dynamic Skin Correction Yes VGA Input(RGB)
DNR Yes(Off/Low/Middle/High/Auto) Audio Input for RGB
Panel Specification Audio Input for DVI
Back Light Unit LED HDMI 2
Panel supplier
Viewing Technology 16:9
Display Resolution 1366*768 Headphone Output X
Brightness (cd/m2) 300 RF Input(Antenna)
Contrast Ratio 3000:1 USB 2.0 1(at side)
Response Time 6.5ms
Viewing Angle (H/V) 178°/178° Basic Info.
Life Time ＞30,000hrs (min) TV System NTSC-M,PAL M/N
Color 16.7M (8 bit) DTV System ISDB-T
SOUND AV System
Speakers Integrated speakers (Bottom side) Channels(analog)
Audio Power Output 5W+5W DTV Channels(digital)
DVSS (Dolby Virtual Surround) X Chassis
DDAS (Digital Dynimic Audio System) YES Certification
AVC (Auto Volume Control) YES Power Supply AC 110V-240V 50/60Hz
BBE X
SRS
MTS Yes(Stereo/Mono/SAP) Base Stand Detachable
Sound Features AV Stereo,Mstar Surround
Sound Control
Function Main Body (mm)
Parental Guidance Yes Speaker Box x
CCD (Closed Caption) Yes Base Stand
Teletext X Net Weight (Kg)
Macro Vision X Gross Weight (Kg)
Calendar X Container Loading
Clock/Timers Yes 20 feet 400
Lock
OSD Language English/Portuguese/Spanish 40 feet high
OSD Features 16 Bit COLOURS ACCESSORIES
REC Yes(at DTV) Operation Manual English(Default)
GUIDE Yes(at DTV) Remote Control Mode RC200 (with two 7# batteries)
AUDIO Language Yes(at DTV) Base Stand
Screen Saver Yes Speaker Box
Melody Yes Wall Mount
Software Upgrade Yes(By USB) Others AC Power cord
Game Yes
USB Connection
Demo function X
Hotel In factory mode
Other Functions --
Design and specifications are subject to change without notice!
3D
CSOT(4A-LCD28O-CS2GTA)
X Keyboard Position
Volume, Balance,5 Band EQ, 5 mode presets
(Movie/Sports/Standard/Music/User)
Yes(Parental Guidance and Content Lock at DTV )
Yes.Movie /Music/Photo/ Tex
Audio/CVBS Input (Composite)
DVI Share with "HDMI" PORT
Audio/CVBS Output (Composite)
SPDIF
Power Consumption-TV on 40W
Power Consumption-Standby
Default Color of Front Cabinet
Unpackaged Dimension for Main Body (L*H*D) (mm)
With Base Stand (mm) 650.5*465.7*190.0
Without Base Stand (mm) 650.5*405.9*91.5
Packaged Dimension (L*H*D)
40 feet
Drafted by:gongjunzan/laidingtian
Approved by:
2 AUDIO R/L+2 Video: AV IN
1
1
Share with for "YPbPr"
Share with for "YPbPr"
1 (D-Sub,15 Pins)
Share with for "YPbPr"
Share with for "YPbPr"
1(Audio Output For Mini;CVBS Output For
RCA )
1
2 (Antenna,Cable) F Type
PAL,NTSC
Antenna：2～69；CATV：1～125
Antenna：7～69
MS306D-LA
CB
≤0.5W
Back
Yes
799*517*178
Packaged with ALL
6.1kg(Base Glass);5.2Kg(Base Plastic)
7.6kg(Base Glass);6.7Kg(Base Plastic)
840
970
Integrated Packaging
Integrated
Optional
Page 1 of 1
第 1 页共 11 页
TCL 集团多媒体电子全球运营本部
TOT 设计中心
文件编号：CRT/SJ/FK02-2013
序号：
Alignment Procedure
VERSION：V1.0
（MODEL）：MS306C/D Series
PREPARED BY : gongjunzan DATE : 2013-04-28
APPROVED BY : DATE :
第 2 页共 11 页
History Description of major changes Release Date
V1.0 2013-04-28
1.Overview
MS306C/D chassis is designed for Asia Pacific/South America market.
Both Full HD panel and HD panel can be compatible. The signal sources
include TV,AV,YPBPR/YCBCR,VGA,HDMI and USB. For YPBPR,HDMI
source ,Format up to 1080p can be supported; USB support image, audio and
video(up to H.264)playing; The whole process of alignment includes ADC
calibration and White Balance adjustments.
2.Factory Menu
1、Methods of Entering
Method 1：Using the remote ,enter the “Picture” submenu in the OSD;
choosing the “contrast” item and press the 9,7,3 and 5 in series,
Factory Menu will appear in the left top of screen
Method 2：Press RETURN button when FACTORY HOTKEY is enabled(ON).
2. General introduction
FACTORY MENU
ITEMS Default
Setting
1-FAC HOTKEY OFF Factory hotkey Switch
2-WARM UP OFF OFF：The set would enter standby mode
Description Status
(OFF/ON).Should be OFF after factory
alignment
after 15 minutes without input
signal；
OK
OK
ON ： Aging mode. Aging time will
display on the left bottom of screen.
3-ADC ADC calibration（refer as follow） OK
第 3 页共 11 页
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.
5-SHOP DO Reset the set after production
alignment;(This operation will
remove all unnecessary factory value;
The factory hotkey will be turn off)
6-NVM reset DO System initialization. Restore all
data except the White Balance and ADC
data ;Only for R&D.
7-SET FAC CH DO Preset specific factory channels for
specific factory. Press left and
right button to select the factory,
and then press OK to confirm.
8-POWER ON
LAST ON: Always turns on TV when AC power
on
STB：Always goes to standby mode when
AC power on
OK
OK
OK
OK
OK
LAST：Restore the status before the
last AC power off
9-USB UPDATE USB update，（refer as follow） OK
10
This item only factory used，
ReloadEFBItem…
Note: Below the factory menu, some model information are showed, including
software version, Project Name, SIACP Version, and SW release time.
ADC Submenu:
ITEMS Default
Description Status
Setting
Source RGB/YPbP
r
Sources need calibration. RGB means PC and
YPbPr(HD) means YPbPr
(HD)
R-GAIN 4478 R-GAIN OK
G-GAIN 4478 R-GAIN OK
OK
B-GAIN 4478 R-GAIN OK
R-OFFSET 2048 B-OFFSET OK
G-OFFSET 2048 B-OFFSET OK
第 4 页共 11 页
B-OFFSET 2048 B-OFFSET OK
AUTO ADC WAIT/OK With appropriate pattern (mentioned below)
inputted, press left or right key to start auto
calibration.
WHITE BALANCE Submenu
ITEMS Default
Setting
Source Current
Source
COLOR TEMP NORMAL Medium/Cool/Ware OK
R-GAIN 128 R-GAIN OK
G-GAIN 128 G-GAIN OK
B-GAIN 128 B-GAIN OK
R-OFFSET 128 R-OFFSET OK
G-OFFSET 128 G-OFFSET OK
B-OFFSET 128 B-OFFSET OK
Description Statu
Current Source( TV,AV1/AV2/YPbPr, HDMI need
adjustment)
OK
s
OK
WB INIT DO ONLY FOR TCL R&D OK
The first step is to adjust HDMI.
3.Design Menu
1、Methods of Entering：
Method 1：
Method 2: Press RETURN button when DESIGN HOTKEY is enabled (ON).
2、General introduction
DESIGN MENU
ITEMS Default
Using the remote, enter the “Picture” submenu in the OSD; choosing
the “contrast” item and press the 1,9,5,and 0 in series ,Design Menu will
appear in the left top of screen.
Description Status
Setting
1-DESIGN
HOTKEY
2-FACTORY
MENU
OFF ON/OFF OK
ON/OFF OK
第 5 页共 11 页
3-SHOP INIT Default setting submenu after production
OK
alignment refer to **
4-OTHER Other set .Only for TCL R&D OK
5-SERVICE
MENU
6-PARAM
After service menu description OK
Parameter setting submenu OK
SETTING
7-HOTEL
MENU
OK
Hotel submenu（not adjust）
SHOP INIT submenu
ITEMS Default
Description Status
Setting
Volume 30 0-100 adjustable OK
PIC MODE STANDARD Standard/Bright/Mild/User OK
SOUND MODE STEREO Movie/Sports/Standard/Music/User OK
Channel --- --- OK
Language English Up to 10 languages optional OK
COLOR SYS AUTO AUTO、PAL、 SECAM OK
SOUND SYS DK DK、BG、I、MN OK
PRESET CH 1 0-199 adjustable OK
COLOR TEMP NORMAL Medium/Cool/Ware OK
Other
ITEMS Default
Description Status
Setting
VIF1
VIF adjust （not adjust）
OK
VIF2
VIF3
QMAP
ADJUST
SSC
VIF adjust （not adjust）
VIF adjust （not adjust）
PQ debug （not adjust）
SSC adjust
OK
OK
OK
OK
第 6 页共 11 页
DBC ENABLE
BP
CP
DBC MODE
MIU DQS0
MIU DQS1
PARAM SET SETTING
ITEMS Default
Setting
Brightness
Curve
Contrast
Curve
Saturation
Curve
Hue Curve
Sharpness
Curve
Volume Curve
BackLight
Curve
OverScan
DBC adjust
OK
OK
OK
OK
Description Status
Brightness curve. Exclusively used by R&D
Contrast curve. Exclusively used by R&D
Saturation curve. Exclusively used by R&D
Hue curve. Exclusively used by R&D
Sharpness curve. Exclusively used by R&D
Volume curve. Exclusively used by R&D
BackLight curve. Exclusively used by R&D
Exclusively used by R&D
OK
OK
OK
OK
OK
OK
OK
4、Service Menu
1、Methods of Entering
Using the remote, enter the “Picture” submenu in the OSD; choosing the
“contrast” item and press the 9,7,0 and 5 in series, Service Menu will appear in
the left top of screen
SERVICE MENU：
ITEM Defau
lt
Setti
ng
SW NO Software Version OK
DATE Date and time of software releasing OK
Project Name Module name OK
SIACP VERSION SIACP VERSION OK
Description Status
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