Sanyo LED-32XR10FH, Service Manual

Page: 7 / 48

4 Alignment instructions
4.1 Unit adjustment
4.1.1
According to the wiring specified by Product Specification, connect power board, main/data
processing board, IR/light sensor board, key board and backlight board correctly, then switch on main
power and press key “
” to turn on the TV set, check if the 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 the item of factory menu;
c) Press keys “ ◄ ” and “ ► ” to change the value when cursor is moved onto one item;
d) Press key “ OK ” to enter into the inferior factory menu from current menu page;
e) Press key “ MENU ” to exit current menu to its superior factory menu;
f) Press key “ EXIT ” to exit factory menu in any case;
g) Factory menu item: ADC ADJUST , for ADC calibration of RGB and YP
B
P
R
;
h) Factory menu item: W/B ADJUST , for white balance adjustment;
i) Factory menu item: POWER Mode , for setting power-on mode; the default setting is
“Standby” mode unless specified by customer;
Standby: TV set will be in “standby” mode after power-on;
MEM: TV set will keep states before last power-off;
ForceOn: TV set will turn on automatically; it also can be used as aging mode at factory;
j) Factory menu item: Other Setting->ISP Mode , the item will not be kept in memory, that is, it
will be always in “OFF” mode after turning on again;
“
ON ”: Upgrading unit software through D-SUB port while connecting to ISP device;
“ OFF ”: Normal DDC functions of D-SUB port will recover;
k) Factory menu item: EEPROM Init , for factory and customer data initialization; TV set will
reset and initial guiding interface will display after executing the item;
l) 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 DVB-T; original
preset digital programs will not change along with the modification of central signal, so please
operate relevant item of menu “Channel” to search programs;
m) Factory menu item: Shipment , all analog & digital programs for factory adjustment will be
cleared out first, then customer channels will be preset according to order requirements; the item
must be executed before shipment to clear out channels for factory adjustment;
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 TV 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: Backlight , for adjusting brightness of backlight; test voltage of 13-pin
power socket while adjusting the item to make it greater than PWM voltage corresponding to
mixture brightness described by panel specification; the item need not adjustment for it has been
preset by software;
p) Factory menu item: Other Setting->SSC ADJUST , for expanded spectrum adjustment; the
item need not adjustment for it has been preset by software;