61
LC-22LE240
2
1
.3. Led Blinking Problem
Problem: LED blinking, no other operation
This problem indicates a short on Vcc voltages. Protect pin should be logic high while
normal operation. When there is a short circuit protect pin will be logic low. If you detect
logic low on protect pin, unplug the TV set and control voltage points with a multimeter to
find the shorted voltage to ground.
2
1
.4. IR Problem
Problem: LED or IR not working
Check LED card supply on MB62 chasis.
21.5. Keypad Touchpad Problems
Problem: Keypad or Touchpad is not working
Check keypad supply and KEYBOARD pin on MB62.
Summary of Contents for LC-22LE240E
Page 17: ...17 LC 22LE240 0 1 General Block Diagram 1 General Block Diagram ...
Page 22: ...22 LC 22LE240 2 3 Absolute Ratings 2 3 1 Electrical Characteristics ...
Page 25: ...25 LC 22LE240 3 3 2 Operating Specifications 3 4 Pinning ...
Page 38: ...38 LC 22LE240 Pinning 8 3 Pinning ...
Page 50: ...50 LC 22LE240 18 2 HDMI CN707 CN708 18 3 VGA CN711 ...
Page 52: ...52 LC 22LE240 19 1 Video Settings 19 1 Video Setting 19 2 Audio Settings 19 2 Audio Settings ...
Page 53: ...53 LC 22LE240 19 3 Options 19 3 Options Options 1 Options 1 Options 2 Options 2 ...
Page 74: ...74 LC 22LE240 POWER SUPPLY Diagram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A ...
Page 75: ...75 LC 22LE240 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A Led Converter Diagram ...