Read Sharp PN-L601 (serv.man5) Service Manual online
ii
13 SPEAKER L/R
7 - 12
14 LCD MODULE
7 - 13
15 SENSOR PWB/ LED PWB
7 - 16
16 KEY PWB
7 - 20
CHAPTER 8.
TROUBLESHOOTING
TROUBLESHOOTING
1 THE POWER IS NOT SUPPLIED (THE LED DOES
NOT LIGHT UP)
8 - 2
2 OPTIONAL POWER IS NOT TURNED ON
8 - 2
3 THE REMOTE CONTROL DOES NOT WORK
8 - 3
4 THE DISPLAY DOESN’T SHOW/ DISPLAY ABNOR-
MALITY
8 - 3
5 NO IMAGE IS DISPLAYED/ DISPLAY FAILURE
(EXTENSION INTERFACE)
8 - 4
6 THE BACKLIGHT DOES NOT LIGHT UP
8 - 5
7 SOUND IS NOT REPRODUCED/ REPRODUCED
SOUND ABNORMALITY (DISPLAY)
8 - 5
8 NO SOUND COMES OUT/ REPRODUCED SOUND
FAILURE (EXTENSION INTERFACE)
8 - 6
9 DAISY CHAIN IS NOT MADE / DISPLAY ABNORMALITY
(EXTENSION INTERFACE)
8 - 6
10 RS-232C CONTROL DOESN’T WORK
8 - 7
11 LAN CONTROL DOESN’ T WORK (EXTENSION
INTERFACE)
8 - 8
12 THE RED LED BLINKS
8 - 9
13 THE LED LIGHTS UP IN ORDER OF RED
3 GREEN
3 RED 3 GREEN
8 - 9
14 HARDWARE CHECK NG LOCATIONS
8 - 10
15 MALFUNCTION OF THE TOUCH PANEL
8 - 12
CHAPTER 9.
HARDWARE DESCRIPTIONS
HARDWARE DESCRIPTIONS
1 CIRCUIT DESCRIPTIONS
9 - 1
2 PRINCIPLE OF TOUCH PANEL
9 - 6
3 BLOCK DIAGRAM
9 - 7
4 CONNECTOR TABLE
9 - 9
5 CIRCUIT DIAGRAM
9 - 15
6 PARTS LAYOUT
9 - 31
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