Curtis LCD1922 - Manuel (Page 15)

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No raster
Check if power switch is turned on
Turn off main power supply and start up machine two minutes later
Check if direction, position, and connection of antenna is temperate
Check if signal is disturbing under current playing state
Check if power voltage of the machine and signal source are steady
Check if grounding of signal line is in good condition
Check if there is a certain building that maybe reflect broadcast wave in environment of your family
Check if power line is connected well
Check if switch of main power supply or key of standby is opened
Check if signal source output is normal under current playing state
Check if setting of brightness of picture, contrast and volume are set correctly
Check if accompanying sound input is normal
Check volume setting
Check mute setting
Che ck co nt ac t, po lar ity of ba tter y de po sited in remot e co nt rol ler or rep lac e ba tter ies
Check if there is a barrier between emitter window of and receiver window of
the machine
remote control
Check if the machine is in state of standby
Check if signal source output is normal under current playing state
No color with image
Check color setting
Check if signal source output is normal under current playing state
Clean emitter window of and receiver window of the machine remote control
Failure analysis
Check if power supply is connected well
Note:
For abnormal condition occurring during operation, please perform inspection according to following condition, and
contact after-sale service department if abnormal condition has not be eliminated yet.
D i s t u r b a n c e
with image and
accompanying
sound
No image and
accompanying
sound
No accompanying
sound, but image
is normal
Remote controller
failure
Check if disturbance is sent out from electric application around the
machine (please adjust position of antenna to decrease disturbance to lower
degree)
(Please adopt high-direction, high-sensitivity antenna to improve picture quality)
Please contact after-sale service department if no effect occur after performed inspection
abovementioned. Do not open rear cover of machine without authorization.