TCL RT2841 Series, Service Manual

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Test and Alignment Specification for RT2841 Series (v0.01).docx
Page 11 of 27

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 Appendix
⒁
“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.