TCL RT2841 Series User manual

TCL
SERVICE MANUAL
RT41KS-EU
1. Caution…………………………………………………………………………
2.
3.
Alignment Procedure…………………………………………………………
4．
Block diagram …………………………………………………………………
5．
Scheme Diagram ……………………………………………………………
Troubleshooting ………………………………………………………………
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 ICAL SHOCK, DO NOT RE MOVE
COVER (OR BACK). NO USER SERVICEABLE
PAR TS INS IDE . RE FE R 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 operating instructionsshouldbe 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 followingthe 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 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.
off
5
SCHNEIDER ELECTRONICS GMBH-GERMANY
OPERATION OF YOUR SET
IF THE SET DOES NOT OPERATE PROPERLY
FOR SERVICE AND MODIFICATION
5

Test and Alignment Specification for RT2841 Series (v0.01).docx
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TCL World-Wide R&D
FPD CENTER
Test & Alignment Specification (TAS)
for RT2841 Series
Version 0.01
PREPARED BY : 李建伟 邹灵敏 DATE : 2018-05-15
CHECKED BY : DATE :
APPROVED BY : DATE :

Test and Alignment Specification for RT2841 Series (v0.01).docx
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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
Version
Issue Date
Description of changes
V0.01
2018-05-15
This is the initial version

Test and Alignment Specification for RT2841 Series (v0.01).docx
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These chassis are designed for European LCD TV markets Ready for IPTV. The main chip is from realtak RT2841
series with embedded Linux &Android core and supports below features matrix:
Class
Item
RT41KT-AP
Inputs
&
Outputs
ATV
( PAL B/G D/K I, SECAM
B/G D/K L/L’)
√
DTV
MPEG-2, MPEG-4, MHEG
1.06, MHP (1.3 broadband)
DVB-T/T2
DVB-C
DVB-S/S2
HDMI
(480i/p, 576i/p, 720p up to
2160p, compliant v2.0 with
HDCP2.2)
2R(2xHDMI2.0a,4K@
60Hz,YUV4:2:0)+
2S(2xHDMI2.0a,4K@
60Hz,YUV4:4:4,
1S-MHL、1S-ARC)
VGA
×
VGA/DVI audio
×
CMP
(YPbPr can support from
480i up to 1080p, audio)
×
SCART1
(CVBS &RGB,audio,AV
OUT)
×
SCART2
(CVBS &YC,audio)
N/A
Side AV or Back AV
(CVBS,audio)
Share with CMP
Side AV OUT or Back AV
out(CVBS,audio)
N/A
USB thumb drive
1*USB2.0,
- Picture, Video,
Audio Playback
- Mouse, Keyboard
- Hub
-
-
-
-
SCART1 output
(CVBS,audio)
×
SCART2 output
(CVBS,audio)
N/A
Headphone output
√
SPDIF output
Coaxial
Functions
MEMC
N/A
OAD, OND
√
CI+
√
WIFI Ready
Built in
DIVX
×
DLNA (DMP)
√
Internet
Netflix, YouTube,
HbbTV, Google Cast

Test and Alignment Specification for RT2841 Series (v0.01).docx
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(see FDS for details)
Functions
3D (auto, top & bottom,
side by side, frame
sequencing, …)
1920x2205@24Hz
(1920x1080p x2)
1280x1470@50Hz
(1280x720p x2)
1280x1470@60Hz
(1280x720p x2)
N/A
Audio Return Channel
(ARC)
√
Others
Serial connector
N/A
VGA connector
N/A
I2C connector of MEMC
module
N/A
IC Details & Position
IC Details
&
Position
Market
RT41KT-AP
Main SW
EMMC(8GB/16GB)
BIN image
UF02
8GB
V8-RT41KT01-LF1V001
HDMI SWITCH - EDID
BIN image
HDMI EDID and HDCP
Embedded in main chip
Include in main SW
MEMC software
BIN image
N/A
Manufacturing Connectors Pin out
ISP-UART / P15 Pin1:NC Pin2:RXD Pin3:TXD Pin4:GND
USB to UART Bridge Adapter (FT2232D chipset series)
To communicate with TV product for debugging, adjustment and soon, It’s required suitable 5V Serial Interface like
following snapshot (further details are described on below sections):

Test and Alignment Specification for RT2841 Series (v0.01).docx
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INFO:
All tests and measurements mentioned hereafter have to be carried out at a normal mains voltage (220 ~ 240 VAC)
All voltages have to be measured with respect to ground, unless otherwise stated
All final tests have to be done on a complete set including LCD panel in a room with temperature of 25+/-7°C
The Picture Performance assessment such as Gamma Correction and White Balance (luminance and
colortemperature) has to be performed into subdued lighted room after at least 45min of warm-up in order to avoid any
temperature drift influence (colorimetric vs. time)
1. PCB/SKD Assembly: Test & Alignment
1.1. Pre-Conditions and DC/DC Check
Before power-on, please check the board according to the relevant block diagram and circuit diagram, and make
sure that no serious issue or mistake can destroy the board. For example, the output of DC/DC and LDO should not be
shorted to ground.
Supply a suited voltage and power-on, then check the voltage according to the relevant block diagram, circuit
diagram and voltage specification.
For example, check SoC voltage(AVDD3V3,DVDD3V3,VCCK_1V0,AVDD1V0_STB,095VM,3V3SB, etc.), DDR
voltage (DDRV_1V5,1V5M) , audio amplifier voltage(24V AMP_VCC),etc...
Measurements should fulfill specification within ±5% tolerances.
Note①:See enclosed circuit diagram for more details.
40-RT41K1-TEB
2HG 05-07.pdf
1.2. SW Image download
Download the latest release SW from below FTP server:
- Link: \\10.120.99.200\
- Folder: \\10.120.99.200\Software_release\Official_Release_SW\NPI\SW_SQA_Pass\Reartek\RTK 外销机芯
1.2.1 LR or PR step. ---Only test
In case of starting from blanked flash / eMMC, it’s necessary to use “rtice tool” to update the SW.
See Appendix ⑴“How to upgrade Main SW using rtice tool”
See Appendix ⑵“How to upgrade Main SW using USB”
See Appendix ⑶“How to upgrade main SW using USB and RCU”
1.2.2 MP Step

Test and Alignment Specification for RT2841 Series (v0.01).docx
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In case of starting from blanked flash, it’s necessary to write “tcl.img” file via factory copy in advance.
OAD Stream(This function is not ready by SW)
To manage quicker mass reflashing on predefined DVB Channel, some licensed IBL tools ('xxx2lli.exe', 'lli2dsm.exe',
dsmmerge.exe …) from Intel byte Inc. might be necessary to create appropriate DVB SSU image. Over some predefine
settings such as repeated data block insertion, null packets size, … that are controllable in configuration file, here below
are mandatory OUI entries structure to prepare DSM-CC carousel image format:
- export CUST_OAD_OUI 0x001C50
- export CUST_OAD_HW_MODEL 0x5395
- export CUST_OAD_HW_VERSION 0x0000
- export CUST_OAD_SW_MODEL 0x0001
- export CUST_OAD_SW_VERSION 0x00

OAD reflashing is managed within 4 steps operation: multiplex detection, DVB transfer, flashing and warm-start.
See Appendix ⑷“How to upgrade FLASH SW by OAD”
1.3. UART & IR Parser
To use both UART and/or IR parser, TV has to be set in Factory mode with its USB port well connected to suitable
UART device or an IR emitter device correctly facing up TV (see below “section 2.0 - Product Assembly” how to
activate “Factory key”).
The UART parser engine is enabled by sending following command “0xE2” from host to TV within following presets
115200/8/n/1.
Once initialized, “PS” caption is toggle displayed on bottom left screen (“S” like Serial).
To communicate with TV depending on SIACP revision layout implementation, you need to fulfill UART/IR
commands protocol and format described on enclosed SIACP requirements document (rev. v8.31).
1.4. Project ID Modification
There are different IDs stored into the eMMC depending on different Panels settings and Models features, but
there’s only one key branching ProjectID that includes all. So it’s not recommended to modify Panel ID with Hyper
terminal as other ID features may not change!
To modify ProjectID, first of all you need to enable Factory Hotkey (See below “section 2.0-Product Assembly”). After
that, go through1950 to “Main menu Service menu8-Project ID”, then turn left or right with RCU “◄/►” key”
keys to suitable ID (Project name is dynamically refreshed). Restart TV.
See Appendix ⑸“How to change ProjectID with RCU”
See below is the ProjectID table for reference:
MODEL-EU
ProjectID
PanelID
Panel Name
MODEL-EU
ProjectID
PanelID
Panel Name

Test and Alignment Specification for RT2841 Series (v0.01).docx
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Note②:Because more and more projects will be added in the future.
1.5. Functional Test
Once the boards (chassis, KB, IR, PSU…) and the panel are well interconnected, plug all external generator
devices to relevant below inputs/outputs using respective test patterns format to check picture and sound quality:
Source
Test Signal
Test Pattern
Analog /Digital Tuner
(VHF/UHF & CATV)
RF cable generator
2D - Movie 1280x720
2D - Static Picture 1920x1080
1. Frequency Range: full band
2. Standard: PAL / SECAM
3. DVB-T/T2/C
Satellite Tuner
- DiSEqC v1.0 (A, B, C, D) and Tone
Burst (A, B)
- Double LNB frequency (band change
by 22KHz Tone)
Compliant DVB-S/S2
source from generator or
dish antenna with switch
2D - Movie 720x576
1. Frequency Range: 950MHz..2150MHz
2. Symbol Rate Range:
DVB-S 1..30MHz (for QPSK)
DVB-S2 1..45MHz (for QPSK)
1..30MHz (for 8PSK)
3. LNB Voltage Range:
Vertical 12.85V..14.2V
Horizontal 17.6V..19.5V
4. 22KHz Tone Range
Frequency 20.5KHz..23.5KHz
Amplitude 400mV..900mV
Current ≥400mA
SPDIF
Audio Amplifier
PCM or Dolby D+
PCMCIA
CI CAM card adaptor
Conax, Irdeto, Viaccess, …
CMP via mini jack adaptor
(YPbPr& Audio)
Chroma/Quantum Data
generator
1920x1080i@60Hz
Half Color & Gray bars
AVIN share with Y,R,L
(CVBS &Audio)
Chroma/ Quantum Data
generator
1920x1080i@60Hz
Half Color & Gray bars
HDMI
(Video & Audio)
with beyond HDMI 1.3 and
HDCP compliant DVD/BD
player
2D - Movie 1280x720i@60Hz
3D - Movie 1920x1080p@24Hz
HDMI1&2 support 4K*2K- Movie

Test and Alignment Specification for RT2841 Series (v0.01).docx
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With HDMI 2.0 and
HDCP2.2 player
3820x2160@50&60Hz(4:4:4),HDCP2.2
HDMI3&4 support 4K*2K- Movie
3820x2160@50&60Hz(4:2:0),HDCP2.2
RJ45
(LAN)
DHCP Server
ICMP packets echo request
Headphone via mini jack adapter
RF signal
Suitable channel
Loud Speakers / Enclosures
RF signal
Suitable channel
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.
1.6. AD Calibration Test
As the A/D self-calibration mechanism is built-in soc, there’s no any ADC to perform.
1.7. DDC & EDID & T-Link Test
The E-EDID data structures are according to VESA Enhanced EDID 1.3 (and EIA/CEA-861B for HDMI). CEA Timing
Extension structure has been extended to support all 3D capable timings.
All HDMI structures have their own BIN profile which are part of main SW and uploaded at power-on into soc chipset:
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.
1.8. HDCP Test
For HDCP compliancy, it’s needed to check whether the HDCP key has been well set by connecting suitable
generator.
1.9.CI+Key Upgrade, Activation and Test
See Appendix ⑹“How to upgrade CI Key using USB”
See Appendix ⑺“How to upgrade Widewine Key using USB”
See Appendix ⑻“How to upgrade PlayReady Key using USB”(not support at this time)
See Appendix ⑼“How to upgrade HDCP key key using USB”
1.10.LAN and WLAN Test(MAC address and Device/User ID codes)
Here are some representative codes examples:
Device ID
User ID
MAC Address
6fa0806936a0ada733262a3f8e8595d5586ce5cb
111382090
00:1C:50:E2:B1:EC

Test and Alignment Specification for RT2841 Series (v0.01).docx
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MAC Address Upgrade (IPv6)
MAC can be set using UART commands described on enclosed SIACP requirements (rev. v8.31).
- Writing MAC command <0xB3>, Data length <6>, Data type <HEXA> (see below command example from above
MAC code)
<AA 0B B3 00 1C 50 E2 B1 EC 36 78>
See Appendix ⑽“How to upgrade MAC Address using USB”
DeviceID (DID)
Purpose is to allow Other Network Download (OND) and further specific Services via dedicated abroad portal (UK
tbc).4 At final, when TV may ask for portal connection, there’ll be Device ID matching control sent by host (TV client)
to ensure total integrity.
For such, specific DID (40 bytes) needs to be paired and overwritten into memory for internal client encryption.
All DID and MAC codes have to be download from portal local service via suitable factory workstation LAN system.
Then during production lot, it’s necessary to send/write all those codes to each TV.
DID codes can only be set using UART commands described above on enclosed SIACP requirements (rev. v8.31).
- Writing Device ID command <0xB2>, Data length <32>, Data type <ASCII> (see below command example from
above DID code)
<AA 25 B242 45 34 46 32 35 35 42 42 44 31 30 36 42 43 38 46 38 30 36 41 45 34 35 36 33 35 30 44 39 31 4648
93>
LAN Test
A rough LAN test can be done by connecting DHCP server to TV’s RJ45 and check that IP, subnet mask, DNS, …
addresses are visible on “User menuNetworkInternet connection(On)IP settings”.
More in-depth test can be performed faster using suitable UART/IR commands following SIACP requirements. SW
will internally manage Network ID (NID) flag controlling all MAC/DID/UID integrity to facilitate PA screening further.
See Appendix ⑾“Network Connection Setup”
See Appendix ⑿“How to upgrade Flash SW using Network”
Note③: It’s not necessary to check video and audio from DLNA server.

Test and Alignment Specification for RT2841 Series (v0.01).docx
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2. Product Assembly (PA): Test & Alignment
2.1. Factory Menu & Main Menu\
How to Enable Factory hotkey
Follow the below steps to pop-up the Factory menu in case of “Factory hotkey” is disabled:
Enable Factory hotkey method:
Method one:
- Press RCU “MENU” key to display main menu
- Select “SettingsPictureAdvanced settingContrast”, Scroll down to “Contrast” item
- Press the subsequence RCU keys “9”, “7”, “3” and “5”
- Select “9-Sita P mode”, Press RCU “◄/►” key change the values to ON
- Reboot TV
- 'Factory Hotkey' will be ON automatic.
Method two:
- Create a file named 'sita_P' with no suffix, note the capitalization.
- Put the file 'sita_P' into the U disk, delete all PKG and BINC files.
- Put the U disk into the TV.
- Power on TV by AC, at the same time press “power on” key which on the boardfor 10s until the TCL logo show.
- 'Factory Hotkey' will be ON automatic.
If “Factory hotkey” is enabled, just press RCU “Return” key（ ）to pop-up again the Factory menu.
The status of “Factory hotkey” can be changed in “Factory menu->Factory hotkey”
Press RCU “OK/►”key to enter the submenu.
Press RCU “Menu” key to go back to the root menu.
Press RCU “◄/►” key to change the values.
Press RCU “OK” key run the function.
Press RCU “Exit” key exit the Factory menu.
Factory Captions Description
While “Factory hotkey” is enabled, there’re some toggled display information (~2s) relative to SW, ProjectID,
CI+, Network ID to facilitate 100% quick screening without accessing to whatever else menu:
MV (Main SW Version)
ID (Project ID)
Panel ID
MEMC (FRC SW Version)
MID(Internet info for factory)
P (Production/Factory mode flag) / S (Factory UART Parser mode flag) / W (Warm-Up mode flag)
See Appendix ⒀“Factory Menu Description”

Test and Alignment Specification for RT2841 Series (v0.01).docx
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How to enter Main Menu\
- Press RCU “MENU” key to display main menu
- Select “SettingsPictureAdvanced settingContrast”, Scroll down to “Contrast” item
- Press the subsequence RCU keys “1”, “9”, “5” and “0”
- Then the Main Menu\ will be displayed on the screen.
See Appendix⒁“Design mode Menu Description”
2.2. Warm-up Test
Following TCL standard and practices, it’s required minimum 15min of Warm-Up that can be considered as Burn-In.
Additional Aging for White Balance alignment is no more necessary due to consistent Picture Performance with
Cloning usage.
First you need to enable Factory Key. After that selecting“ Factory menu WARM UP”, pressing RCU “OK/►” key
and then leaving Factory menu by pressing “Exit” key. To release/disable Burn-in mode, it’s just required to press
“Menu” button from local keyboard. Other faster methods via UART/IR commands are available on enclosed SIACP
requirements (rev. v8.31).
2.3. White Balance & Automatic Gamma correction
For the white balance & automatic gamma correction, we only need do one of them based on the value of
Align_mode in PDM system or the method gave by AOE or R&D.
The detail instruction of Align_mode is as below table:
Prop Name
Description
Value
Align_mode
WB alignment or
Auto Gamma correction
0 -- > WB alignment
1-- > Gamma correction
White Balance alignment (Golden sample)
As some color coordinates discrepancies can be noticed from panel batches to others, it may necessary to perform
slight touch-up.
For Color temperature adjustment, switch TV on leading HDMI input where should be connected suitable generator
providing following format 1280x720p@60Hz test pattern. A 32 steps grey scale is recommended to assess relevant
colorimetry tracking and low/high light saturation points.

Test and Alignment Specification for RT2841 Series (v0.01).docx
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Ensure that TV’s picture enhance is off.
Ensure that TV is in Factory mode to access to” White Balance” adjustment submenu.
WB Normal is the first mode which is adjusted in HDMI source，the next are HDMI warm and cool mode.
Warm and Cool Tone are relatives to Normal mode. WB adjust need to fix default G Gain .Offset registers needn’t
to be adjusted.
“Gain” registers set need to be adjusted at 70IRE.
Note: The operation must enable factory “P” mode
￭Automatic Gamma correction
Gamma correction, or often simply gamma, is the name of a nonlinear operation used to encode and decode
luminance or tristimulus values in video or still image systems.
You need adjust 4+3 gamma for different samples based on the color coordinates and target gamma offered by PQ
engineer. So each sample can get almost the same effect as PQ golden sample. The 4+3 gamma include 4 gamma
based on 4 different color temperature (cool, normal, warm1, warm2) and 3 gamma related to SDR to HDR (cool,
normal, warm).
For the automatic gamma correction, we can do as below, but please refer to “Gamma correction specification
(v1.00)”for detail.
▪Initialize the picture, turn off dynamic backlight, dynamic contrast, and set picture mode as computer desktop
mode;
▪Get the color coordinates (x, y, Y) and target gamma in the PDM of the target model;
▪Open the factory menu of TV, Open the tools SIACP and main.vi on the PC, connect the equipment correctly
(CA310, serial port, PC, TV);
▪ Fill the color coordinates (x, y, Y) target gamma, error range and time-delay in the main.vi tool that made by AOE,
and save it;

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▪ Put the probe on the middle of the panel, then run main.vi. The 4+3 gamma will be created and calibrated
automatically and saved in the TV.
As 4+3 gamma is a new and good way for PQ especially for HDR, we need adjust it in the factory now. And if we do
the 4+3 gamma, there is no need to adjust the white balance. But we need do the initial setup of white balance.
See Appendix⒂“How to do initial setup of white balance”
Note: The operation must enable factory “P” mode
Targets and Tolerances for all inputs
(According to company uniform LED color temperature standard of panel)
The measured and adjustable parameters should be mainly “x”, “y” coordinates.
The White Balance alignment and Automatic Gamma correction should be performed using a well calibrated and
contact less analyzer (ex: Minolta CA210 or CA310). 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 center.
The results should fulfill specification for each TV set offered by R&D and below tolerances:
MT5658
Panel
name
Energy
Efficient
FW Min (Nits)
Preset Targets (x, y)&CA310
Gamma
Model
FW>Min
Cool
Normal
Warm
Warm2
Target
Error range
U65S9906
LVU650SD6L
SD9W01
B
300
267
276
279
287
313
329
314
351
2.2
±0.05

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For the 4+3 gamma the target value is 2.2 and error range is ±0.05.
Note④:We will add more project ID later.
Note:If we can do both of White Balance & Automatic Gamma correction. For some special models, please notice
the information provided by Huizhou factory or PJM to choose which way to make it.
Cloning
Once a TV is well aligned and prepared (channels maps, volume, picture presets, …) , user can prepare golden
clone image that can be copied on demand to all further TV production lot of same TV. To access cloning function, you
can select “Factory menu USB Clone All / Chanel List/ EEPROM/ Users Setting” , Scroll down to “TV to USB” or
“USB to TV” and press RCU “OK/►” key to process. 4 BIN images can created, overwritten or read on USB stick (pen
drive) depending on chosen template like following: “database\applications\database\***.db” . These files need to be
used strictly with MT58SoC platform as depending on SW structure.
Other faster access methods via UART/IR command share available on enclosed SIACP requirements (rev. v8.31).
Note: This function is only useful on factory sita P mode. And in hotel mode, we can use it too, but only copy the
information related to the hotel.
2.4. High Pot. and Insulating Resistance Tests
At the end of the process, a “High Voltage” and an “Insulating Resistance” tests are required to fulfill Safety
Electrical requirements (CEI 65065).
High Voltage Withstanding requirements

Insulating Resistance requirements
- “Voltage” 3500VAC - “Voltage” 500VDC
- “Max Leakage Current” 10 mA - “Threshold Min” 4M Ω
- “Test Time” 3 sec - “Test Time” 2 sec
2.5. SHOP-END Test

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At final process stage, it’s necessary to perform “Reset shop” before any packing to leave Factory mode and
restore User default presets.
First you need to enable Factory Key. After that selecting “Factory menu Reset Shop”, then pressing RCU
“OK/►” key. Other faster methods via UART/IR commands are available on enclosed SIACP requirements (rev. v8.31).
Note⑤:A password might be required in case of Parental Control function is locked, use default “1234” password or
“0423” super password to clean-up existing ones if forgotten.
END
Appendix⑴“How to upgrade main SW using tool”
Upgrade RT2841 main SW by using RTK tool
Download boot bin “dvrboot.rescue.exe.bin.bin” &main software “Update.img”
from the software route.
Connect UART interface to suitable manufacturing TV input connector, upgrade boot bin first to blank IC.
1) Turn off your TV, and then connect the Serial Interface to USB debug port.
2) open the rtice software, select the Burn page, click the icon, enter the boot burn page as shown below.
3) Click the settings icon, open the settings page, and configure it as shown below.