User manual

Returnstar Interactive Technology Group Co., Ltd.   
37 
Chapter 9 Simple Repair 
Common faults analysis below  can be reference for you when you meet same 
occasions. 
Change another channel, if ok, 
it should be regional issue. 
Check  if  the  antenna  well 
connected. 
Check if the antenna 
destroyed. 
Check  if  the  antenna  is  for 
indoor use. 
Probably  jamming  like  circuit 
surrounding. 
Adjust the fine tuning. 
Adjust the brightness. 
Adjust the contrastratio. 
Check  if  there  is  local 
broadcasting signal with color. 
Adjust the color. 
Check if the system is well set 
up. 
Check if the power is on. 
Check if there is battery in the 
controller. 
No image, no sound 
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Poor sound, normal image 
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Bad image, normal sound 
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Poor signal 
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Fuzzy image 
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Doubled image 
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Jamming image 
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Image distortion 
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Poor program signal 
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Horizontal fringe in image 
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Image vertical rolling 
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Bad color 
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No color 
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Operation  of  the  remote 
controller 
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Remote controller invalid 
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Image larger than the screen 
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The Fault Phenomenon 
Problem Solving 










