Read Sharp PN-U473 (serv.man2) Service Manual online
PN-U553/U473/U423 TROUBLESHOOTING 7 - 1
CHAPTER 7. TROUBLESHOOTING
No Description
1
THE POWER IS NOT SUPPLIED (THE LED DOES NOT LIGHT UP)
2
THE REMOTE CONTROL DOES NOT WORK
3
THE DISPLAY DOES NOT WORK/ DISPLAY ABNORMALITY
4
THE BACKLIGHT DOES NOT LIGHT UP
5
SOUND IS NOT OUTPUTED/ OUTPUT SOUND ABNORMALITY
6
DAISY CHAIN IS NOT MADE / DISPLAY ABNORMALITY
7
CAN NOT CONTROL RS-232C CONNECTION
8
CAN NOT CONTROL LAN CONNECTION
9
THE LED LIGHTS UP IN ORDER OF RED 3 GREEN (TEMPERATURE ERROR)
1. THE POWER IS NOT SUPPLIED (THE LED DOES NOT LIGHT UP)
2. THE REMOTE CONTROL DOES NOT WORK
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