Sanyo LCD-22XR7SN, Service Manual

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4 Performance check
4.1 TV function
Enter searching menu
ĺ auto search, connect RF-TV terminal with central signal source and check
if the picture is normal, if there are channels be skipped. Check CCD and V-CHIP function (for
America).
4.2 AV/S, YPbPr terminals
Input AV/S, YPbPr/YCbCr HD signal, check if it is normal.
4.3 VGA terminal
Insert VGA terminal, input VGA format signal of 640X480@60 Hz and check if the display is normal.
4.4 HDMI terminal
Insert HDMI terminal, input signal of 640 X 480@60 Hz signal and check if the display is normal and
the HDCP is normal.
4.5 check sound channel
Check the speaker and headphone of each channel.
4.6 other function check
Check the turn on/turn off timer, asleep timer, picture/sound mode, OSD, freeze/mute,
stereo/SAP(for America), magic picture, etc.
4.7 presetting before ex-factory
Item Setting Item Setting Item Setting
PICTURE MODE NAUTRAL
AUDIO MODE DK
OSD language
English /
Chinese
SOUND MODE NEWS HALFTONE 50
VGA/HDMI
color temperature
STANDARD
NR WEAK DURATION 15 ANTENNA CATV
ZOOM FULL
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4.1 TV
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func
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MI HD A/ VG
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