2. replace drive board
Bad wired network
Non-connected wired network
1. Check wired network connection
2. reset wired network connection
3. replace display module
1. display module
Bad WIFI
Bad WIFI connection
1. check WIFI antenna connection
2. reset WIFI connection
3. replace display module
1. display module
Bad TV
Bad digital TV signal or cannot
watch TV
1. check TV external signal source
2. re-browse TV channel and resetting
3. replace TV board
1. TV board
2. display module
Bad display
Bad display
1. bad display drive board
2. bad display LCD
1. replace display drive
board
2. replace display screen
Program cannot be update USB cannot update
1. check USB board wiring
2. check USB spec, USB is incompatible
with latest version
3. check control board upper wiring
connection
1. USB board
2-1-1
Summary of Contents for T656
Page 1: ...T656 16 19 Repair Manual Electronic Date 2018 09 V1 0...
Page 3: ...1 1 Product Picture 1 1 1...
Page 4: ...1 2 Display T656 1 2 1...
Page 14: ...1 5 Wiring T656 self lubrication system 1 5 6 Lubricant motor VR Lubricant control system...
Page 15: ...1 5 Wiring energy saving board 1 5 7 To console EUP key board From Filer To Drive set...
