页 19, Troubleshooting – Curtis RLC3257B User Manual
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32 / 37 / 40 / 42 / 47 T7系列共用 中性英文说明书(美洲ATSC )(MSD 318方案)
Troubleshooting
CAUTION: Don't let your machine display the same picture for a long time, please set up a
screen protection procedure. If a high contrast picture remains for along time, this picture
will bring a 'leave shadow' in screen. Usually the 'leave shadow' will disappear gradually
when you turn off the machine power. However, this trouble can't be repaired , Which isn't
in range of warranty.
Failure
Reason
Solution
The TV image has snowflake-
like spots, and noise
The screen has no display,
no audio, and the indicator
isn't on
1. Power plug is loose, and the power
isn't connected
2. Power isn't switched on
1. Check whether the power cord is connected
properly
2. Check whether the power switch on the panel is
turned on
1. Antenna connector is loose, or
cable is damaged
2. Antenna type isn't suitable
3. Antenna orientation or position isn't
proper
4. Weak signal
1. Check whether antenna connector is loose,
whether cable is intact
2. Check antenna type (VHF/UHF)
3. Adjust antenna orientation and position
4. Use signal amplifier
The TV image has spot, line
or stripe interference
The signal is interfered with by
automobile, neon light, electric hair
drier, etc.
Do not use the electric hair drier near the device,
and adjust the antenna direction to reduce
interference
Image ghosting occurs
1. The TV signal is reflected by high
mountain or building
2. Antenna orientation isn't proper
1. Use high-directional antenna
2. Adjust the antenna orientation
The image doesn't have color Color saturation is too low
Enter "Picture" to increase the color saturation
The TV has no audio
1. The volume is too low
2. The audio is mute
1. Adjust the volume properly
2. Press the "MUTE" key on the remote control to
cancel the mute state
DTV screen has mosaic
The signal is weak
Check whether the antenna plug is loose and
whether the cable is intact
The PC has no display,
prompts no signal input, and
the red indicator flashes
The signal cable is loose or falls off
Check whether the signal cable is loose or falls
off, and re-connect properly.
The remote control distance
is short, or out of control
1. The signal receiver of the remote
control is blocked by certain object
2. The battery voltage of the remote
control is low
1. Move the object that blocks the signal receiver
2. Replace the battery
PC display is blurry
1. The adjustment isn't proper
2. The display mode isn't proper
1. Use automatic adjustment function
2. Use recommended mode
PC image shifts, can't fill
the screen, or exceeds the
screen
1. The adjustment isn't proper
2. The display mode isn't proper
1. Use automatic adjustment function
2. Enter "Geometry" to adjust the horizontal or
vertical position
3. Use recommended mode
Can't operate the device
External influences (e.g. lighting,
static, etc.) will interfere with the
normal operation
Press the power switch to turn off the device, and
restart the device after one to two minutes
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