ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3-6. Troubleshooting Video Problem
Picture On Screen
Distorted Or Missing
Check LED 6x
Refer to Power Troubleshoot (STANDBY LED
Yes
Backlight
turns ON?
times blink?
BLINK
6x times blinking
No
No
Refer to IM Eco
Tuner, OK?
Refer “Tuner
Problem”
Yes
Yes
No
Check Eco
Power Saving
ON?
Refer to IM Eco
Power Saving
Setting
No
Yes
Change
BB_PAA board
Video , OK?
Refer “Video
Problem”
Yes
No
Component,
Refer
“Component
No
HDMI, OK?
Refer “HDMI/MHL
Problem”
Yes
No
OK?
Component
Problem”
Yes
Finish
MHL, OK?
Refer “HDMI/MHL
Problem”
Yes
Yes
No
35
Finish