Thomson T19E27U, MT27S-AP Schematic
TCL
SERVICE MANUAL
T19/22/(27/29U 07S$3
1. Caution…………………………………………………………………………2
2. specification……………………………………………………………………6
3. Alignment Procedure…………………………………………………………7
4．Block diagram…………………………………………………………………1
5．Scheme Diagram ……………………………………………………………
5. Troubleshooting………………………………………………………………2
6. PCB Layout …………………………………………………………………3
([SORGHGUDZLQJ
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
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 UT ION : TO RE DU CE 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 SH OCK, DO NOT REMOVE
COVER (OR BACK). NO USER SERVIC EA BLE
PAR TS INS IDE . REFE R SER 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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SCHNEIDER ELECTRONICS GMBH-GERMANY
IMPORTANT SAFETY INSTRUCTIONS
CAUTION:
Read all of these instructions. Sa ve these instructions f or 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 supporting structure, 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 SERVICE 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 shouldnot 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 youare unable to restorenormal 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.
FOR SERVICE AND MODIFICATION
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 technician has 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.
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TCL Multimedia Technology Holdings Ltd.
R&D Center
Alignment Procedure
MT27S-AP/LA Chassis
Version: 1.1
Release Date: 2012-7-1
PREPARED BY: SHU XIANG CHENG
APPROVED BY:
DATE:
DATE: 2012-7-1
MT27S-AP/LA Chassis Aliment procedure
Content
1. General Description 3
2. Factory Menu 3
2.1 Way of accessing 3
2.2 Factory Menu 4
2.3 White Balance adjustment 5
3. DesignMenu1 6
4. DesignMenu2 7
4.1 HOTEL MENU 7
4.1.1 Accessing way 8
5. Steps of debugging 9
5.1 device 9
5.2 Steps of debugging 9
5.3 WB adjustment 9.10
6. Chip list of software programming before SMT 11
7. Appendix 11
7.1 Software upgrading through USB 11
7.2 Check software version, release date and Project ID 12.13
7.3 FAQ 14
History Description of major changes Release
Date
V1.1 2012-7-1
Chassis Model
FHD
HD MT27S-APLA T19E29/27U;T22E29/27U;T24E29/27 etc
PRELIMINARY INFORMATION ----- SUBJECT TO CHANGE
2
MT27S-AP/LA Chassis Aliment procedure
1. General Description
MT27S-AP/LA is our latest design especially for LCDTV products selling in Asia
Pacific (AP) and Latin America (LA) market. It features by its high integration,
easy debugging as well as convenience in terms of maintenance. Fast software
upgrade through USB disk facilitates both manufacture and after-sale service.
Meantime, a variety of functions involved in Factory Main Menu can not only
bring benefits for production, but also satisfy various demands of customer.
Note: Factory Menu covers all indispensable functions during manufacture such as
White Balance Adjustment, Shop Init, NVM Reset,DesignMenu1,DesignMenu2 e.g.,
while the items under DesignMenu1 and DesignMenu2 is exclusively used by R&D
engineer, anyone else shouldn’t change the settings in the menu. When you wish to
learn the product information like project ID, model name, you can access to
DesignMenu1. In addition, in Hotel Menu, we also provide a great deal of useful
functions for specific applications in hotel.
2. Factory Menu
2.1 Accessing way:
a. In the first place, press Menu
button of remote control, then select
Contrast item of Picture submenu.
Finally, press 9, 7, 3, 5 consecutively.
b. When the FAC HOTKEY item of
Factory Menuis enabled (ON), press
Return button of remote control.
PRELIMINARY INFORMATION ----- SUBJECT TO CHANGE
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MT27S-AP/LA Chassis Aliment procedure
2.2 Factory Menu
Factory Menu
Name Default Description Status
HOTKEY OFF Factory Menu shortcut button switch
The item must be disabled (OFF) after production
OK
WARM- UP OFF OFF: Normal mode. Display blue screen when no signal. Turn to
automatically standby mode if keep the signal unavailable over
15 minutes.
ON: Aging mode. Display Red
signal. The set will not turn to standby even if the unavailability of
signal, Press MENU of KEY TO exit
WB >> White Balance Adjustment ( see details below) OK
SHOP Init
NVM RESET DO Restore default value except WB OK
Pre Channel DO Preset the channel table of factory. Option: HZ, WX, NMG, ORION e.g.
PowerMode LAST/STB ON: the set will power on after switching on power.
DO It is crucial that the function is executed after production aim to clear
information of production process, ensure user cannot access to
Factory Menu after executing the item.
To preset the channel table of certain factory, firstly, choose the
corresponding factory name, then press OK button of remote control
and wait until the disappearance of Factory Menu,
STB: the set will remain standby status after switching on power.
Last: the set will turn to the status in which it lies when last switching
off.
If without requirement from certain customer,
by default, the Setting should be Last for MT27S-AP and STB for
，
Blue，Green，White Scene when no
OK
OK
OK
OK
MT27S-LA
DesignMenu1 DO exclusivel y used by R&D engineer OK
DesignMenu2 DO exclusivel y used by R&D engineer OK
Sound Curve DO
Logo ON/OFF DO
VER. DO
RFFILTER
Exclusively used by R&D.
Display TCL Logo or not. On : display ,
Off: not display
software version, release date e.g.,
Exclusively used by R&D.
OK
OK
OK
ok
PRELIMINARY INFORMATION ----- SUBJECT TO CHANGE
4
MT27S-AP/LA Chassis Aliment procedure
2.3 White Balance Adjustment menu
White Balance menu
Press the button in remote control to select
certain item and
to adjust White Balance
White Balance Adjustment menu
Name Default Description Status
BlanceSource AV1 Select the source you intend to apply WB adjustment.
ColorTemp
R GAIN
G GAIN
B GAIN
Standard Select color temperature you intend to adjust Three groups of
+2
0
-7
Only HDMI1, AV1, YPBPR, PC and should be adjusted.
color temperature: Normal, Warm, Cool are available for each
source.
Gain of R channel ( cannot be changed after auto calibration) OK
Gain of G channel ( cannot be changed after auto calibration) OK
Gain of B channel ( cannot be changed after auto calibration) OK
OK
OK
R OFFSET
0
Sw Default ,NOT need calibration OK
G OFFSET
0
Sw Default ,NOT need calibration OK
B OFFSET
WB INIT
PRELIMINARY INFORMATION ----- SUBJECT TO CHANGE
0
Sw Default ,NOT need calibration OK
White Balance Initalization. Before WB adjustment, this item should
be executed.
OK
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