Sanyo LCD-22XR9DZ, Service Manual

Page: 6 / 43

1.2 Adjustment flow chart as
Fig.1
Check if EDID, HDCP KEY and FLASH
have been burned.
combination adjustment for general
assembly
white balance adjustment
setup before leaving factory
Connect to central signal source, check if
TV functions are normal -omitted channel,
analog parameters control, etc; check if
output of earphone and speaker is normal.
Check if other functions are normal –LCN, CI,
OAD, etc.
Input VGA signal
，
check if the display is normal;
check if every function is normal -analog
parameter control, horizontal/vertical center, etc.
Input high-definition component signal
(mode), check if every YPbPr function is
normal.
Input AV or SCART signal
，
check if every
function is normal.
Input HDMI signal
，
check if the display is normal;
check if every function is normal –analog
parameter control, horizontal/vertical center, etc.
Fig.1
Adjustment flow chart
2 Alignment instruction
2.1 Unit adjustment
2.1.1
According to the wiring diagram specified by product specification, connect power board,
digital board, IR/key board and backlight board correctly; then power on and press key ‘ ‘ , check if
the display is normal.
2.1.2 Using
method of factory menu
a) First press key “
SOURCE
”
，
then press number key “
2
、
5
、
8
、
0
” in turn to enter into initial
factory menu;
b) Press keys “
▲
” and “
▼
” can move cursor to each page of initial factory menu, then press
key “
OK
” to enter into adjustment menu of each page;
c) Press keys “
▲
” and “
▼
” can move cursor upwards and downwards within one adjustment
page;
d) Move cursor to one adjustment item, then press keys “
◄
” and “
►
” can adjust it;
e) Press key “
MENU
” can exit adjustment menu of one page to its superior factory menu;
f) Press key “
EXIT
” can exit factory menu at any time;
g) Press key “
OK
” can enter into inferior factory menu;