Read Sharp PN-L802B (serv.man8) Service Manual online
2
11 ULTRASONIC RECEIVER UNIT
6 - 11
12 DV POWER UNIT
6 - 11
13 5V POWER SUPPLY UNIT
6 - 12
14 AC RELAY UNIT
6 - 12
15 INLET HARNESS/AC SWITCH
6 - 13
16 SPEAKER L/R
6 - 14
17 FRONT BEZEL
6 - 15
18 TOUCH PANEL ASSEMBLY
6 - 16
19 LCD MODULE
6 - 19
20 KEY PWB
6 - 22
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 ABNORMAL-
ITY (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
14 MALFUNCTION OF THE TOUCH PANEL
7 - 12
CHAPTER 8.
HARDWARE DESCRIPTIONS
HARDWARE DESCRIPTIONS
1 CIRCUIT DESCRIPTIONS
8 - 1
2 PRINCIPLE OF TOUCH PANEL
8 - 6
3 BLOCK DIAGRAM
8 - 8
4 CONNECTOR TABLE
8 - 9
5 CIRCUIT DIAGRAM
8 - 19
6 PARTS LAYOUT
8 - 35
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