29
4. No display
Check the B/L
signal is available?
Replace main board
Replace the power board
Panel Vcc = 3.3V?
Replace the Panel
No display (No LED)
Replace the main board
Check the backlight is
“On”?
Check the LVDS cable
Reinsert or replace the
LVDS cable
Replace the main board
Replace the Panel
No
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
Power board output
=
16V?
Check TV is under control and power
on/off by remote control and power key?
Summary of Contents for T2254we
Page 5: ...5 2 Operating Instructions 2 1 The Use of Remote Control ...
Page 6: ...6 2 2 To Use the Menus ...
Page 7: ...7 ...
Page 8: ...8 ...
Page 9: ...9 ...
Page 10: ...10 ...
Page 11: ...11 ...
Page 12: ...12 ...
Page 13: ...13 ...
Page 14: ...14 2 3 How to Connect Connecting TV ...
Page 15: ...15 ...
Page 16: ...16 2 4 Front Panel Control Knobs ...
Page 17: ...17 ...
Page 19: ...19 3 3 Compatible Mode Table Analog RGB Input Signal Timing HDMI Input Signal Timing ...
Page 22: ...22 5 Remove the screw to remove IR BOARD ...
Page 25: ...25 5 Remove the screw to remove IR BOARD ...
Page 33: ...33 6 PCB Layout 6 1 Main Board 715G5183M01001004K ...
Page 34: ...34 ...
Page 35: ...35 6 2 Power Board 715G5147P01000001H ...
Page 36: ...36 6 3 IR Board 715G5061R02002004M ...
Page 54: ...54 10 Exploded View T954we ...
Page 55: ...55 T2254we ...