Videocon MS901K-AP, Руководство по обслуживанию, Страница: 17 / 43

Factory Test & Alignment Specification For MS801-AP Series (V1.0)
Page 8 of 17

Calibration of Color Temperature
According to TCL standards, the color temperature and white reference coordinates of LCD like
the following table: (This standard is based on CA-310 color temperature meter as a reference)
(1) White balance Every model
(2) White balance only need to adjust
Normal color temperature of HDMI channel, other
channel didn
’
t need to adjust color temperature, the software have set up color
temperature date.
(3) White balance adjustment takes the Normal color temperature of HDMI channel as the
reference. The adjustable offset or gain range is 0~255.
(4) Warm and Cool tone is relative to Normal mode. The adjustable offset or gain range is
-128~127.
(5) The manual adjustment is according to the regulation above. Additionally, when manually
adjusting, it needs to do White Balance init first.
Take signal generator 22293 for example, the timing value and pattern value of each source
show in the following table:
Note: 1) The input signal is 70% white when the pattern value of 22293 is 104
2) The adjustment of White Balance should fulfill TCL matching specification.
For
L49E5700USD/MS901K-AP
, the
G Gain set to 122
, and the chromaticity coordinate
performs according to the table below:
MODEL Project ID NORMAL(x/y)
L49E5700UDS 124
261
，
276
… …
… …
within below tolerances:

for Alignment: ± 0.003

for Measurement: ± 0.015
Note: For MS901K-AP, all source share white balance value with HDMI.
2.4. SHOP-END Test
At final process stage
, it’s necessary to perform “
Shop
”
before any packing to leave Factory
mode and restore User default presets.
This function is accessible by selecting
“
Factory Menu

5-Shop
”, then pressing RCU
“
Right
”
or
”
Left
”
key. Other faster methods are available on above enclosed SIACP requirements
(rev. v3.9).
Appendix

“How to upgrade Mboot”
There are two methods to upgrade Mboot. The first method, using Mstar tool to upgrade
mboot:

Open Mstar
software programming tool “
ISP_Tool_4527
”