THOMSON CHASSIS MT62B User manual

Service Manual
CHASSIS MT62B
Contents
1. Caution…………………………………......….…………………...……………2
2. Product Specification………………………..……………………...…….…….6
3. Test and Alignment………………….………………………………...………..7
4. Panel List……………….……………………………………………...……….21
5．Notice………………………………….…….. .......................……..22

WARNING: TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
CAUTION: TO REDUCE THE RISK OF
ELECTRICAL SHOCK, DO NOT REMOVE
COVER (OR BACK). NO USER SERVICEABLE
PARTS INSIDE. REFER SERVICING 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.
CAUTION
RISK OF ELECTRIC
SHOCK DO NOT OPEN.
2
dangerous
1

3
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.
CAUTION:
Read all of these instructions. Save these instructions for later use. Follow all Warnings and
Instructions marked on the audio equipment.
1. Read Instructions- All the safety and operating instructions should be read before the product is 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.
IMPORTANT SAFETY INSTRUCTIONS

4
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.
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.
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 SECTION 810-21)
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

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.
IF THE SET DOES NOT OPERATE PROPERLY
21. If you are unable to restore normal operation by following the detailedprocedure in your operating 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 recommended by 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 television set, ask the service technician to perform
routine safety checks to determine that the television is in safe operating condition.
5
off

32HE9234 37FE9234 40FE9234 42FE9234 46FE9234 52FE9234 19HR3224 22HR3224 26HR3224 32HR3224 40FR3234 46FR3234
Picture
GoingPriceEuroatIntro.
TargetVolume(inFY2009)(K)
Introdate/month/qtr. Endof2008 Endof2008 Endof2008 Endof2008 Endof2008 Endof2008 2009‐4‐30 2009‐4‐30 2009‐4‐30 2009‐4‐30 2009‐4‐30 2009‐4‐30
ProjectStartdate 2008‐7‐15 2008‐7‐15 2008‐7‐15 2008‐7‐15 2008‐7‐15 2008‐7‐15 2008‐7‐15 2008‐7‐15 2008‐7‐15 2008‐7‐15 2008‐7‐15 2008‐7‐15
KeyDistrubutionChannel/s MM,BG,CH,TS MM,BG,CH,TS MM,BG,CH,TS MM,BG,CH,TS MM,BG,CH,TS MM,BG,CH,TS MM,BG,CH,TS MM,BG,CH,TS MM,BG,CH,TS MM,BG,CH,TS MM,BG,CH,TS MM,BG,CH,TS
TypeClassification LargeScreen LargeScreen LargeScreen LargeScreen LargeScreen LargeScreen SmallScreen SmallScreen SmallScreen LargeScreen LargeScreen LargeScreen
Sizes 32W 37W 40W 42W 46W 52W 19W 22W 26W 32W 40W 46W
Chassisplatfrom MT5362H MT5362H MT5362H MT5362H MT5362H MT5362H MT5362HMT5362HMT5362HMT5362HMT5362HMT5362H
Styling E9A E9A E9A E9A E9A E9A Value‐M19 Value‐M19 Value‐M19 Value‐M19 Value‐M19 Value‐M19
PanelType Classic Classic Classic Classic Classic Classic Classic Classic Classic Classic Classic Classic
BLU CCFL CCFL CCFL CCFL CCFL CCFL CCFL CCFL CCFL CCFL CCFL CCFL
Resoulution HD FHD FHD FHD FHD FHD HD HD HD HD FHD FHD
60Hz/120Hz 60Hz 60Hz 60Hz 60Hz 60Hz 60Hz 60Hz 60Hz 60Hz 60Hz 60Hz 60Hz
ContrastRatio Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify
Brightness 400nitsorLess 400nitsorLess 400nitsorLess 400nitsorLess 400nitsorLess 400nitsorLess Less400nits Less400nits Less400nits Less400nits Less400nits Less400nits
ViewAngle Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify
Antireflexcoatedglass Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify Suppliertospecify
DynamicContrast Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Lightsensor Yes Yes Yes Yes Yes Yes
BacklightContrast Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Anlogue/Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital
MPEG2 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
MPEG4Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
DVB‐T/T2/Cfrontend DVB‐T DVB‐T DVB‐T DVB‐T DVB‐T DVB‐T DVB‐T/C DVB‐T/C DVB‐T/C DVB‐T/C DVB‐T/C DVB‐T/C
MHEG1.06 Yes Yes Yes Yes Yes Yes
CI(PCMCIA) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
CI+ No No No No No No
OADYes Yes Yes Yes Yes Yes
DVBTCVBSoutput Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
CombFilter 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D
De‐interlacing 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D
SoundOutput 2X8W 2X8W 2X8W 2X8W 2X8W 2X8W 2X3W 2X3W 2X3W 2X8W 2X8W 2X8W
NoofSpeakers 2222222 2 2222
Mono/Stereo/BBE Stereo Stereo Stereo Stereo Stereo Stereo Stereo Stereo Stereo Stereo Stereo Stereo
MEMC ‐‐‐‐‐‐No No No No No No
TeletextTeletext1.5 Teletext1.5 Teletext1.5 Teletext1.5 Teletext1.5 Teletext1.5 Teletext1.5 Teletext1.5 Teletext1.5 Teletext1.5 Teletext1.5 Teletext1.5
Noofpages(Teletext) 1000p 1000p 1000p 1000p 1000p 1000p 1000p 1000p 1000p 1000p 1000p 1000p
CloseCaption No No No No No No No No No No No No
HDVideoPlayback No No No No No No Yes Yes Yes Yes Yes Yes
MP3Playback No No No No No No Yes Yes Yes Yes Yes Yes
Photoviewer+Photoframe No No No No No No Yes Yes Yes Yes Yes Yes
OSDLanguages
Bulgarian,Croatian,Czech,
Danish,Dutch,English,Finnish,
French,German,Greek,
Hungarian,Italian,Norwegian,
Polish,Portuguese,Romanian,
Russian,Serbian,Slovakian,
Slovenian,Spanish,Swedish,
Turkish,Ukrainian
Bulgarian,Croatian,Czech,
Danish,Dutch,English,Finnish,
French,German,Greek,
Hungarian,Italian,Norwegian,
Polish,Portuguese,Romanian,
Russian,Serbian,Slovakian,
Slovenian,Spanish,Swedish,
Turkish,Ukrainian
Bulgarian,Croatian,Czech,
Danish,Dutch,English,Finnish,
French,German,Greek,
Hungarian,Italian,Norwegian,
Polish,Portuguese,Romanian,
Russian,Serbian,Slovakian,
Slovenian,Spanish,Swedish,
Turkish,Ukrainian
Bulgarian,Croatian,Czech,
Danish,Dutch,English,Finnish,
French,German,Greek,
Hungarian,Italian,Norwegian,
Polish,Portuguese,Romanian,
Russian,Serbian,Slovakian,
Slovenian,Spanish,Swedish,
Turkish,Ukrainian
Bulgarian,Croatian,Czech,
Danish,Dutch,English,Finnish,
French,German,Greek,
Hungarian,Italian,Norwegian,
Polish,Portuguese,Romanian,
Russian,Serbian,Slovakian,
Slovenian,Spanish,Swedish,
Turkish,Ukrainian
Bulgarian,Croatian,Czech,
Danish,Dutch,English,Finnish,
French,German,Greek,
Hungarian,Italian,Norwegian,
Polish,Portuguese,Romanian,
Russian,Serbian,Slovakian,
Slovenian,Spanish,Swedish,
Turkish,Ukrainian
Bulgarian,Croatian,Czech,
Danish,Dutch,English,Finnish,
French,German,Greek,
Hungarian,Italian,Norwegian,
Polish,Portuguese,Romanian,
Russian,Serbian,Slovakian,
Slovenian,Spanish,Swedish,
Turkish,Ukrainian
Bulgarian,Croatian,Czech,
Danish,Dutch,English,Finnish,
French,German,Greek,
Hungarian,Italian,Norwegian,
Polish,Portuguese,Romanian,
Russian,Serbian,Slovakian,
Slovenian,Spanish,Swedish,
Turkish,Ukrainian
Bulgarian,Croatian,Czech,
Danish,Dutch,English,Finnish,
French,German,Greek,
Hungarian,Italian,Norwegian,
Polish,Portuguese,Romanian,
Russian,Serbian,Slovakian,
Slovenian,Spanish,Swedish,
Turkish,Ukrainian
Bulgarian,Croatian,Czech,
Danish,Dutch,English,Finnish,
French,German,Greek,
Hungarian,Italian,Norwegian,
Polish,Portuguese,Romanian,
Russian,Serbian,Slovakian,
Slovenian,Spanish,Swedish,
Turkish,Ukrainian
Bulgarian,Croatian,Czech,
Danish,Dutch,English,Finnish,
French,German,Greek,
Hungarian,Italian,Norwegian,
Polish,Portuguese,Romanian,
Russian,Serbian,Slovakian,
Slovenian,Spanish,Swedish,
Turkish,Ukrainian
Bulgarian,Croatian,Czech,
Danish,Dutch,English,Finnish,
French,German,Greek,
Hungarian,Italian,Norwegian,
Polish,Portuguese,Romanian,
Russian,Serbian,Slovakian,
Slovenian,Spanish,Swedish,
Turkish,Ukrainian
PIP/PAT/PAP/PIC/PAC PAT PAT PAT PAT PAT PAT PAT PAT PAT PAT/PIP/PAP/PIC/PAC PAT/PIP/PAP/PIC/PAC PAT/PIP/PAP/PIC/PAC
PVR(USB) No No No No Phase3TBC Phase3TBC
Picturefreeze Yes Yes Yes Yes Yes Yes
Picturezoom Yes Yes Yes Yes Yes Yes
Colortoneadjustment No No No No No No No No No No No No
SwitchonTime 5‐7seconds 5‐7seconds 5‐7seconds 5‐7seconds 5‐7seconds 5‐7seconds 5‐7seconds 5‐7seconds 5‐7seconds 5‐7seconds 5‐7seconds 5‐7seconds
Overscanswitchoff Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
PCcapability(uptomaximumfor
m
WXGA WXGA WXGA WXGA WXGA WXGA WXGA WXGA WXGA WXGA WXGA WXGA
RearCVBSin No No No No No No No No No No No No
RearCVBSout No No No No No No No No No No No No
RearYPbPr 1111111 1 1111
RearHDMI 2222221 1 1122
AudioOutput No No No No No No No No No No No No
SCART1 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
SCART2 Yes Yes Yes Yes Yes Yes No No Yes Yes Yes Yes
PCInput Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
SPDIFYes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Headphonejack Yes(PCInput) Yes(PCInput) Yes(PCInput) Yes(PCInput) Yes(PCInput) Yes(PCInput) Yes(PCInput) Yes(PCInput) Yes(PCInput) Yes(PCInput) Yes(PCInput) Yes(PCInput)
Ethernet(RJ‐45) No No No No No No No No No No No No
USBconnector No No No No No No No No No No No No
SideCVBSin Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
SideHDMI 111111NoNo1 111
SideHeadphone 1111111 1 1111
SideUSB Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Noofkeys 6666666 6 6666
Front/Side Side Side Side Side Side Side Side Side Side Side Side Side
FrontCabinet HighGloss HighGloss HighGloss HighGloss HighGloss HighGloss HighGloss HighGloss HighGloss HighGloss HighGloss HighGloss
BackCabinet InmouldtexturedInmouldtexturedInmouldtexturedInmouldtexturedInmouldtexturedInmouldtexturedInmouldtexturedInmouldtexturedInmouldtexturedInmouldtexturedInmouldtexturedInmouldtextured
DVDslotin No No No No No No No Yes Yes Yes No No
Remotecontrol TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD
TableTopStand Yes Yes Yes Yes Yes Yes M19stand M19stand M19stand M19stand J‐Classstand J‐Classstand
SwivelStand Yes Yes Yes Yes Yes Yes No No No No No No
VoltageRange 230V 230V 230V 230V 230V 230V 230V 230V 230V 230V 230V 230V
StandbyPower<1W <1W <1W <1W <1W <1W <1W <1W <1W <1W <1W <1W
VESAMount Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Desination WholeEurope WholeEurope WholeEurope WholeEurope WholeEurope WholeEurope WholeEurope WholeEurope WholeEurope WholeEurope WholeEurope WholeEurope
PBSLevelonerequirements No No No No No Yes Yes Yes Yes Yes Yes Yes
Feature
Rear
Connectivit
y
Side
Connectivit
y
Mechanical
Picture
L
ocalKeyboar
SetLevel
PanelLevel
FrontEnd+
Digital
requiremen
t
Market
Misc
Sound

Factory Alignment Specification for MT62 chassis
TestAlignmentSpecification for TCL-MT5362-V0.50.doc (Page 1 of 14)
TCL WW R&D
FPD CENTER
Factory Alignment Specification
CHASSIS：MT62
Version：V0.50
PREPARED BY : WeiLin DATE : 2009-05-06
APPROVEDBY: DATE:

Factory Alignment Specification for MT62 chassis
TestAlignmentSpecification for TCL-MT5362-V0.50.doc (Page 2 of 14)
Disclosure
The information contained in this document is proprietary to TCL SZ FPD lab and shall not be
disclosed by the recipient to third persons without the written permission of the team leader or
GM of R&D.
Revision History
Status, Ver Date, Drafter Description of changes
V0.10 22/09/08 The item in gray is invalid
V0.20 28/09/08 The item in gray is invalid
Factory Menu is improved
V0.30 08/10/08 Add Panel ID check
Working range changed to 220 ~ 240 VAC
V0.40 28/11/08 Add Sound Curve control on factory menu
Add Scart RGB ADC Calibration
ImproveADC Calibration menu and WDAlignment menu
Add Panel ID for new models
V0.50 06/05/09 Improve WD Alignment menu
Panel ID is deleted. It can be found in another document:<Panel
list for MT62>

Factory Alignment Specification for MT62 chassis
TestAlignmentSpecification for TCL-MT5362-V0.50.doc (Page 3 of 14)
The MT62 chassis is designed for European LCD TV. The main chip is from Mediatec (MTK5362
series) and supports below inputs:
•one analog and digital mixed RF (PAL B/G D/K I, SECAM B/G D/K L/L’,DVB-T)
•one Side AV(CVBS)
•one SCART (CVBS & RGB)
•one SCART (CVBS & YC)
•one CMP (YPrPb can support from 480i up to 1080p)
•one VGA
•three HDMI (can support 480i/p, 576i/p, 720p up to 1080i/p)
compliant v1.2. with HDCP, audio included as EIA-861B standard
•one Headphone output
•one SPDIF output
More relevant details are listed into the Spec..
INFO:
ªAll tests and measurements mentioned hereafter have to be carried out at a normal mains voltage
(220 ~ 240 VAC)
ªAll voltages have to be measured with respect to ground, unless otherwise stated
ªAll final tests have to be done on a complete set including LCD panel in a room with temperature of
25+/-7°C
ªThe White Balance (color temperature) has to be performed into subdued lighted room after at
least 1 hour of warm-up/burn-in. This is applicable for both Alignment and Picture Performance
evaluation at OQA in order to be set free of any temperature drift ( colorimetry vs time)
1. Electrical Assembly Alignment
1.1. Preconditions – DC/DC Check
Before Power On the chassis, please check and make sure that U811,U9,U31, U7, U6, U11,
U5,U4,U34,C74(positive) , C62(positive) , C76(positive) , C152(positive) , C89(positive) ,
C82(positive) outputs are not shorted to ground.
Supply voltage to P19 and test the relative voltage.
Supply P19 : Pin5,6,8=12v (24v work with IPB PSU);Pin11,12=5v;Pin1,2=Voltage for sound
Amplifier IC (18V for 46/52 inch;12V for other inch )
Test the relative voltage:
position value note
C152(positive) 24V +/-5%
C89(positive) 12V +/-5% These are necessary
only work with IPB PSU
C82(positive) 12V +/-5%
U811 3.3V +/-5%
C74(positive) 5.0V +/-5%
U9 3.3V +/-5%
U31 3.3V +/-5%
U7 1.2V +/-5%
U6 2.5V +/-5%
U5 9.0V +/-5%
U4 5.0V +/-5%
C62(positive) 1.8V +/-5%

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C76(positive) 1.0V +/-5% 1.0V +/-5%
Download latest release MCU_SW into the Standby CPU(U3) using WT_MCU_ISP SW tool.
See Appendixn“How to download MCU SW”.
Download latest release SW into the flash using MTK SW tool. See Appendixo“How to
download FLASH SW”. Or download the SW from USB port.
1.2.Panel ID check and modify
There is different ID stored in the NVM depended on different Panels. The correct number
should be checked in factory menu and if not correct according to the panel list , should be
correct manually.The simple way is that select the correct Id in factory menu and restart the set.If
the wrong ID make the set display nothing, it must be correct with Hyper terminal . See
Appendixr
1.3.Functional Test
Once the boards (chassis, KB, IR, PSU…) and the panel are well interconnected, connect all
external generator devices to relevant inputs/outputs below according to their respective test
patterns format and check picture content and sound quality accordingly:
Source Test signal (generator) Test pattern (format/image)
Analog /Digital Tuner RF cable Full Band (VHF/UHF) + CATV
DVB-T
Composite(CVBS) Chroma/Fluke PAL Half Color & Gray bars
SCART1 (CVBS)
SCART1 (RGB) Chroma/Fluke PAL Half Color & Gray bars Half Color & Gray bars
SCART2 (CVBS)
SCART2 (Y/C) Chroma/Fluke PAL Half Color & Gray bars
VGA Chroma/QuantumData 1024x768@60Hz
Half Color & Gray bars
Component (YPrPb) Chroma/QuantumData 1080i@60Hz
Half Color & Gray bars
HDMI1/ HDMI2/ HDMI3 DVD with HDMI compliancy Movie 720p@60Hz
Headphone RF cable First channel
Loud Speakers RF cable First channel
SCART1 (CVBS out) RF cable First channel
SCART2 (CVBS out) Chroma/Fluke PAL Half Color & Gray bars
Audio tones can be defined by the factory (ie: 1KHz & 3KHz, sweep, …).
Picture video formats can be changed by the factory according to their own standard.
1.4. ADC Calibration
To ensure the ADC performance, the error of “generator+cable” must be less than 2%. Three
inputs require an ADC calibration for the time being, They are:
VGA
Provide a test signal 1024×768@60Hz with WhiteBlack squares.
Select the corresponding “Auto Color” in “ADC Calibration” sub-menu of “FactoryMenu”,
then press ”OK” to start. Value of status will change to “ALL” if succeed.
CMP

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Provide a test signal 576i@50Hz with 100% 8 steps ColorBar.
Select the corresponding “Auto Color” in “ADC Calibration” sub-menu of “FactoryMenu”,
then press ”OK” to start. Value of status wil change to “ALL” if succeed.
Scart RGB
Provide a test signal 100% 8 steps ColorBar.
Select the corresponding “Auto Color” in “ADC Calibration” sub-menu of “FactoryMenu”,
then press ”OK” to start. Value of status will change to “ALL” if succeed.
1.5.DDC & EDID Test
The E-EDID data structure are according to VESA Enhanced EDID 1.3 (and EIA/CEA-861B for
HDMI).
Both VGA and HDMI have their own separate bin files:
For EDID check, it’s needed to check whether the correct EDID is downloaded by checking
corresponding EDID NVM Checksum or read them out to check bit by bit if it is in line with the
released EDID bin file.
1.6.HDCP Test
For HDCP compliancy, it’s needed to check whether the HDCP key has been well set.
2. Final Assembly Alignment
2.1.Entering to “FactoryMenu”
To enter into Factory Menu in case of “FactoryKey” is disabled, please to follow below steps:
- press RemoteControl key “MENU” to display main menu
- press the subsequence RemoteControl keys “7”, “9”, “1” and “5”
The main menu will display”FACTCORY” at the last item
To pop-up Factory Menu in case of “FactoryKey” is enabled, please to follow below step:
- press RemoteControl key “Blue”
To enable/disable “FactoryKey”, please to follow below steps:
- press RemoteControl “OK”key to enter into “System” submenu
-pressRemoteControl“RIGHT”or “LEFT” key till “FactoryKey” item
- press RemoteControl “Menu”key to toggle mode
To exit “FactoryMenu”, press “Exit” key from RemoteControl.
To comeback to “FactoryMenu” root when you are into a submenu:
- press RemoteControl “Menu” key.
2.2.Entering to “P” Mode
Turned on the factory key to enter into “P” mode.The TV will display “P” in bottom left corner
in “P” mode. See appendixp“Serial Command Protocol for MTKxx”.
2.3.White Balance Alignment

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Make sure that the picture mode is “vivid”, enter to “P” mode(turned on the factory key) and
switch off “Pic. Enhance” in “WD Alignment” sub-menu of factory menu before white balance
alignment .
Only VGA input requires color temperature adjustment as all other inputs or relative ones. Both
Warm and Cool Color Coordinates are also relatives to Normal Color Temperature mode ones. See
appendixq“PAL/SECAM/NTSC/DTV/SCART RGB/CMP/HDMI Relative Matrix Offsets” and
“WARM/COOL Relative Matrix Offsets”. Those offsets values don’t require any alignment but
can be fine-tuned in FactoryMenu as well.
<The appendix is just a template, Every lot the relative offset is different. We need to align 5 sets
first to get the relative offset data every lot. >
Expected Targets and Tolerances
The measured parameters should be “x, y” coordinates.
The White Balance alignment should be performed using a contact less analyzer (ei: Minolta
CA-210). The analyzer may not touch the screen surface, and measurement must be performed in a
dark environment keeping the probe(s) at 90+/-2° from the panel.
The alignment have to fulfill the requirements in Application Form.
Alignment FlowChart
Provide a test signal 1024×768@60Hz on VGA input and align the WB as described inside
attached document ensuring first that the BackLight value is matching below table:
MTK_EuroAlignmentF
lowchart.doc
2.4.High Pot. and Insulating Resistance Tests
At the end of the process, a High Pot. and an Insulating Resistance tests are required for
matching Safety Electrical requirements (ei: xxxx)
High Voltage Withstanding requirements
- “Voltage” Ö4240 VDC
- “Max Leakage Current” Ö1 mA
- “Test Time” Ö3 sec
Insulating Resistance requirements
- “Voltage” ÖDC500V
- “Threshold Max” Ö
- “Threshold Min” Ö4MΩ
- “Test Time” Ö3 sec

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3. “Factory Menu” Definition
1)．System
Item Sub-item Value Note
Factory Key Off/On OFF：hotkey is invalid
ON ：hotkey(blue key) is availability
Power Mode Boot/Standby/
Previous
Boot: Enter power on mode
Standby: Enter standby mode
Previous: power on according to last
status
Burning Mode Off/On Select panel On with left/right key, Press
“EXIT” key to enter the burning mode;
Press “Menu” key on keyboard to exit the
burning mode
Pre-Frequency Poland Run Press “OK” key to run
Pre-Frequency Huizhou Run Press “OK” key to run
Pre-Frequency Thailand Run Press “OK” key to run
Reset User Clear date of NVM in user menu,except
the value of language / related
installation/Factory setting,then set to the
default value.
Reset All clear NVM values，and set to default
value。
System
Reset Shop Clear date of NVM in user menu,include
the value related installation,and Clear
date of factory menu except the item of
Balance and sound ,set to default value
2)．Feature
Item Sub-item Value Note
FleshTone Off/On
Adaptive Luma Control Off/On
Dynamic BackLight On/Off Dynamic BackLight On: adapt to picture
Dynamic BackLight Off: fix by back light
value
Light sensor Off/On Only the models with M19 front cabinet
have this feature.
Back light 0~100
White Peak Limitator Off/On
TunerAGC 0~31
Panel ID ID Select panel ID with left/right key, restart
the set to take effect.
VT character set default language Select language with left/right key
Feature
Delnterlace Mode Mode*

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3)．ADC Calibration
Item Sub-item Value Note
Source
VGA\CMP\scart RGB require Calibration
Auto color Run Press “OK” key to run
Status NONE
/ NOK
/ OK
/ ALL
NONE:No source has been calibrated
NOK:Current source hasn’t been calibrated
OK: Current source has been calibrated
ALL:All sources have been calibrated
R Gain
G Gain
B Gain
R Offset
G Offset
ADC
Calibration
B Offset
For fine tuneADC manually.
4)．WDAlignment
Item Sub-item Value Note
Pic. Enhance ON/OFF Press “Right” key to switch off all of the
items in the feature submenu. This should
be done before white balance alignment.
If it’s off, the way to switch it on is to reset
user/shop or set on the features in
Feature sub-item manually.
Source PAL/SECAM…
…
For balance source：
VGA,DTV,PAL,SECAM,NTSC,Scart
RGB,CPM, HDMI
Color Temperature Normal
/Warm/Cool
The value of Warm and cool is the offset
of Normal mode.
R Gain R White balance
G Gain G White balance
B Gain B White balance
R Offset R Gray balance
G Offset G Gray balance
B Offset B Gray balance
Scaling Brightness
Scaling Contrast
Scaling Saturation
Auto phase Run Press “OK” key to adjust the signal to
avoid the ripple in CMP source, it is not
necessary.
WD
Alignment
SCART 1 Auto/Mixed/R
GB/Composite
/S-Video

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SCART 2 Auto/Composit
e/S-Video
5)．Sound
Item Sub-item Value Note
VOL_0 0
VOL_10 2
VOL_50 14
VOL_90 135
VOL_100 255
TV Pre 186
Sound
AV Pre 186
6)．Geometry (This item effective only in TV source)
Item Sub-item Value Note
source
H.Position
H.Size
V.Position
Geometry
V.Size
7)．Version info
Project
Panel
Version
Date
Version
info
MCU Version
4．Factory default settings
Followed as OOB setting.

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Appendix n“How to download MCU SW”
Prepare WT_MCU_ISP SW tool for update.
1. Connect the PC to board using MCU updating tool on P6 connector form chassis board.
2. Provide +5V DC on P19(pin11,12) connector on chassis board and check U811 output
voltage should be 3.3V.
3. Start “Weltrend MCU ISP.exe” and download the MCU SW. (please see file
Visio-ISPToolGuide_ver090.pdf)
Appendix o“How to download FLASH SW”
Prepare MTK SW tool for update.
1. Connect the PC to the board using an external +3.3VDC serial device (USB or COMx) on P9
connector from chassis board.
2. Provide the voltage on P19 connector (Pin5,6,8=12v;Pin11,12=5v) from chassis board
3. Start “MTKTOOL.exe” application under MTKxx folder, and set the parameters as below
picture:
4. Press “Browse” button to select the corresponding SW bin file to upload
5. Press “Upgrade” button to start downloading the SW and wait the gauge displayed “100%”
that means the SW has been successfully downloaded.
In the meanwhile, all operations such erasing flash and so… are parsed into the debug
window script.
6. Once the SW is downloaded, switch-off/on the chassis board and wait few seconds for
eeprom update.

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Appendix p“Serial Command Protocol for MTKxx”
1. A serial protocol for driving MTK µchip through external +3.3VDC serial device (USB or
COMx) is available. It may facilitate manufacturing process. Thus, both P201 connector from
chassis board or either VGA input can also be used using pin12 (RXD) & pin15 (TXD) just
taking care that “FactoryKey” from Factory Menu is enabled.
2. The required serial port settings are as below
•115200 bps
•8data bit
•1bit stop
•none parity
3. The command format is like hereafter described into BNS representation:
•0xBB +Command + Data[[..] + ..] + 0xEE
Both0xBB and 0xEE bytes are mandatory and used as header and footer of the transmitted
frame. Apart from INIT frame that is described further, all sent bytes need to be triggered before by
an additional one as 0x50. So a complete frame might match following one:
•0x50+0xBB+0x50+Command+0x50+Data[[..]+0x50+..]+0x50+0xEE
4. At first time, it might be required to initialize MTK µchip by using once below INIT command
(without any triggering byte):
•0x02 +0x00 + 0x00 + 0x13 + 0x01 + 0x00
5. A none exhaustive list of commands is already available.
错误！链接无效。
Appendix q“ WARM/COOL Relative Matrix Offsets”
1. These offsets should be done in the production by AOE.
Appendix r“Modify panel ID with Hyper terminal”
.①Connect the PC to the mainboard using an external +3.3VDC serial device (USB or
COMx) on P9 or P18 connector from chassis board.
.②Provide the voltage on P19 connector (Pin5,6,8=12v;Pin11,12=5v) from chassis
board
.③Save the password file “password for hyperTerminal.txt” to your computer.
D:\MT62\调试说明
\
已发布\password f
.④Start HyperTerminal “HyperTrm.exe” in your computer.
.⑤Fill the name.

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.⑥Select the Com Port you are using.
.⑦Set the items as below picture.
.
Select “File->Save->” to Save the setting. Then start HyperTerminal “atsc.ht” in your
computer instead of step ③to ⑦later
.⑧Send the password.

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.⑨Select the password file saved in your computer.
.⑩Under the folder “DTV>” enter “pmx.s.p +ID”,e.g.: pmx.s.p 102
See the panel ID in another document <Panel list for MT62>.

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. Press “Enter”, the panel signal will be printed in the window