Read Sharp PN-E802 (serv.man3) Service Manual online
ii
CHAPTER 7.
TROUBLESHOOTING
TROUBLESHOOTING
1 THE POWER IS NOT SUPPLIED
(THE LED DOES NOT LIGHT UP)
7 - 2
2 THE REMOTE CONTROL DOES NOT WORK
7 - 3
3 THE DISPLAY DOESN’T SHOW/ DISPLAY
ABNORMALITY
7 - 3
4 NO IMAGE IS DISPLAYED/ DISPLAY FAILURE
(EXTENSION INTERFACE)
7 - 4
5 THE BACKLIGHT DOES NOT LIGHT UP
7 - 5
6 SOUND IS NOT REPRODUCED/ REPRODUCED
SOUND ABNORMALITY (DISPLAY)
7 - 5
7 NO SOUND COMES OUT/ REPRODUCED SOUND
FAILURE (EXTENSION INTERFACE)
7 - 6
8 DAISY CHAIN IS NOT MADE / DISPLAY
ABNORMALITY (EXTENSION INTERFACE)
7 - 7
9 RS-232C CONTROL DOESN’T WORK
7 - 7
10 LAN CONTROL DOESN’ T WORK
(EXTENSION INTERFACE)
7 - 8
11 THE RED LED BLINKS
7 - 9
12 THE LED LIGHTS UP IN ORDER OF RED
3
GREEN
7 - 9
13 HARDWARE CHECK NG LOCATIONS
7 - 10
CHAPTER 8.
HARDWARE DESCRIPTIONS
HARDWARE DESCRIPTIONS
1 CIRCUIT DESCRIPTIONS
8 - 1
2 BLOCK DIAGRAM
8 - 5
3 CONNECTOR TABLE
8 - 7
4 CIRCUIT DIAGRAM
8 - 19
5 PARTS LAYOUT
8 - 35
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