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.
Содержание LC-22LE240E
Страница 17: ...17 LC 22LE240 0 1 General Block Diagram 1 General Block Diagram ...
Страница 22: ...22 LC 22LE240 2 3 Absolute Ratings 2 3 1 Electrical Characteristics ...
Страница 23: ...23 LC 22LE240 2 3 2 Operating Specifications 2 4 Pinning 3 AUDIO AMPLIFIER STAGE WITH TPA3113 U168 ...
Страница 25: ...25 LC 22LE240 3 3 2 Operating Specifications 3 4 Pinning ...
Страница 29: ...29 LC 22LE240 4 1 Power Management MB62 Power Management with Adaptor MB62 Power Management with PW25 PW26 ...
Страница 30: ...30 LC 22LE240 MB62 Power Management with IPS16 IPS17 IPS60 PW05 MB62 Power Management with PW03 PW04 PW07 ...
Страница 38: ...38 LC 22LE240 Pinning 8 3 Pinning ...
Страница 50: ...50 LC 22LE240 18 2 HDMI CN707 CN708 18 3 VGA CN711 ...
Страница 52: ...52 LC 22LE240 19 1 Video Settings 19 1 Video Setting 19 2 Audio Settings 19 2 Audio Settings ...
Страница 53: ...53 LC 22LE240 19 3 Options 19 3 Options Options 1 Options 1 Options 2 Options 2 ...
Страница 54: ...54 LC 22LE240 19 4 Tuning Settings 19 5 Source Settings 19 4 Tuning Settings 19 5 Source Settings ...
Страница 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 ...
Страница 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 ...
Страница 76: ...76 LC 22LE240 24 PRINTED WIRING BOARD 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 ...