Read Sharp PN-Y425 Service Manual online
Contents
CHAPTER 6.DISASSEMBLY AND ASSEMBLY (PNY-325)
1.PWB AND WIRING DIAGRAM
6-1
2.REAR COVER
6-3
3.POWER PWB
6-5
4.MAIN PWB
6-6
5.LED/KEY PWB
6-8
6.SPEAKER
6-11
7.LCD MODULE
6-12
CHAPTER 7.DISASSEMBLY AND ASSEMBLY (PN-Y425/Y475/Y555)
1.PWB AND WIRING DIAGRAM
7-1
2.REAR COVER
7-6
3.POWER PWB
7-8
4.MAIN PWB
7-9
5.Speed relay PWB
7-11
6.LED/IR PWB
7-12
7.SPEAKER
7-15
8.LCD MODULE
7-16
CHAPTER 8.TROUBLESHOOTING
1. THE POWER IS NOT SUPPLIED (THE LED DOES NOT LIGHT UP)
8-1
2. THE REMOTE CONTROL DOES NOT WORK
8-1
3. THE DISPLAY DOES NOT WORK / DISPLAY ABNORMALITY
8-2
4. THE BACKLIGHT DOES NOT LIGHT UP
8-2
5. SOUND IS NOT OUTPUTED/ OUTPUT SOUND ABNORMALITY
8-3
6. DAISY CHAIN IS NOT MADE / DISPLAY ABNORMALITY
8-3
7. CAN NOT CONTROL RS-232C CONNECTION
8-4
8. CAN NOT CONTROL LAN CONNECTION
8-4
9. THE LED LIGHTS UP IN ORDER OF RED 3 GREEN (TEMPERATURE ERROR
8-5
10. CAN NOT PLAY FILES IN USB FLASH DRIVE
8-5
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