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CHAPTER 7.
TROUBLESHOOTING
TROUBLESHOOTING
1 THE POWER IS NOT SUPPLIED (THE LED DOES
NOT LIGHT UP)
7 - 2
2 OPTIONAL POWER IS NOT TURNED ON
7 - 3
3 THE REMOTE CONTROL DOES NOT WORK
7 - 3
4 THE DISPLAY DOESN’T SHOW/ DISPLAY
ABNORMALITY
7 - 4
5 NO IMAGE IS DISPLAYED/ DISPLAY FAILURE
(EXTENSION INTERFACE)
7 - 5
6 THE BACKLIGHT DOES NOT LIGHT UP
7 - 6
7 THE BACK LIGHT IS DARK
7 - 7
8 SOUND IS NOT REPRODUCED/ REPRODUCED
SOUND ABNORMALITY (DISPLAY)
7 - 7
9 NO SOUND COMES OUT/ REPRODUCED SOUND
FAILURE (EXTENSION INTERFACE)
7 - 8
10 THE FAN DOESN’T ROTATE
7 - 8
11 DAISY CHAIN IS NOT MADE / DISPLAY ABNORMALITY
(EXTENSION INTERFACE)
7 - 9
12 RS-232C CONTROL DOESN’T WORK
7 - 9
13 LAN CONTROL DOESN’ T WORK
(EXTENSION INTERFACE)
7 - 10
14 THE RED LED BLINKS (HARDWARE ERROR) 7 - 11
15 THE LED LIGHTS UP IN ORDER OF RED
3 GREEN
(TEMPERATURE ERROR)
7 - 11
CHAPTER 8.
HARDWARE DESCRIPTIONS
HARDWARE DESCRIPTIONS
1 CIRCUIT DESCRIPTIONS
8 - 1
2 LOCAL DIMMING FUNCTION
8 - 7
3 FAN
8 - 9
4 BLOCK DIAGRAM
8 - 10
5 ACTUAL WIRING DIAGRAM
8 - 11
6 CONNECTOR TABLE
8 - 13
7 CIRCUIT DIAGRAM
8 - 27
8 PARTS LAYOUT
8 - 46
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