4 Alignment instrucitons
4.1 Unit adjustment
4.1.1 According to the wiring of “9224KH5201JL”, connect main board, power board and IR board
correctly, then switch on the main power and press key “standby” to turn on the set. Check if display is
normal?
4.1.2 Using method of factory menu
a) Press key “SOURCE” first, then press keys “2, 5, 8, 0” in turn to enter into initial factory
menu;
b) Press keys “▲” and “▼” to move cursor to each page of initial factory menu, then press “OK”
to enter into adjusting menu of each page;
c) Press keys “▲” and “▼” to move cursor upwards or downwards within any page;
d) Press keys “◄” and “►” to do adjustment when cursor is moved to any item;
e) Press key “MENU” to exit menu of any page to its superior factory menu;
f) Press key “EXIT” to exit factory menu in any case;
g) Press key “OK” to enter into inferior factory menu;
h) Factory menu item: ADC ADJUST, for ADC calibration of VGA and Component;
i) Factory menu item: W/B ADJUST, for white balance adjustment;
j) Factory menu item: Fac. CHANNEL PRESET, for factory channels presetting; it is
necessary to connect to central signal source before operating the item; now digital
frequency of central signal CH28（529.5 MHz）and CH33（564.5 MHz）are distributed to
Australia programs; originally presetting digital programs will not change along with the
modification of central signal, so please operate item “DTV” of menu “Channel” to search
digital programs manually, which will last about 15s;
k) Factory menu item: EEPROM Init, for factory and customer data initialization; the set will
reset and initial guiding interface will display after executing the item;
l) Factory menu item: Aging Mode， for aging of machines at factory; keys of remote control
are still working after being aging mode, and pressing keys on key board can exit aging
mode;
m) Factory menu item: Backlight, for adjusting brightness of backlight; test voltage of
X401-12# (PWM) while adjusting the item to meet the requirements of PWM voltage scope
corresponding to mixture brightness in panel specification; the item need not adjustment for
it is preset by software;
n) Factory menu item: Other Setting->MST DEBUG, default setting is “OFF”, it will not be
kept in memory, that is, it will always in “OFF” mode after turning on the set again;
“OFF”: RS232 functions of some engineering machines can match design specifications;
“ON”: It is convenient for design tools to debug the software;
o) Factory menu item: Other Setting->SSC ADJUST, for expanded spectrum adjustment;
the item need not adjustment for it is preset by software;
p) Factory menu item: Other Setting->AUDIO Curve Setting, for sound curve adjustment;
if without special customer requirements, the item need not adjustment commonly for it is
preset by software;
q) Factory menu item: Software Update, for software upgrading; please refer to upgrading
instructions in detail;
r) Factory menu item: POWER Mode, for setting power-on mode; the default setting is
“Standby” mode unless specified by customer;
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