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
Poor sound, normal image
Bad image, normal sound
Poor signal
Fuzzy image
Doubled image
Jamming image
Image distortion
Poor program signal
Horizontal fringe in image
Image vertical rolling
Bad color
No color
Operation of the remote
controller
Remote controller invalid
Image larger than the screen
The Fault Phenomenon
Problem Solving