Read Sharp LC-24DV250K (serv.man2) Service Manual online
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LC-24DV250 (C)
7. 1Gb G-die DDR3 SDRAM ......................................................................................................... 45
Samsung K4B1G1646G
a. Key Features ............................................................................................................ 45
b. Description ............................................................................................................... 46
b. Description ............................................................................................................... 46
8. 2Gbit (256M x 8 bit) NAND FLASH MEMORY ........................................................................... 47
H27U2G8F2CTR-BC
a. Key Features ............................................................................................................ 47
b. Descriptions .............................................................................................................. 48
b. Descriptions .............................................................................................................. 48
9. 16M-BIT (16Mx1) CMOS SERIAL NAND FLASH EEPROM ..................................................... 50
Mx25L1602 Mstar SPI FLASH
a. Key Features ............................................................................................................ 50
a. Key Features ............................................................................................................ 50
b. General Description ................................................................................................. 52
10. USB INTERFACE ..................................................................................................................... 53
USB2512B
a. General Descriptions ............................................................................................... 54
b. Features ................................................................................................................ 54
c. Applications ........................................................................................................... 54
11. CI INTERFACE ........................................................................................................................ 55
12. SOFTWARE UPDATE ............................................................................................................. 56
13. TROUBLESHOOTING ............................................................................................................. 57
12. SOFTWARE UPDATE ............................................................................................................. 56
13. TROUBLESHOOTING ............................................................................................................. 57
A. No Backlight Problem .............................................................................................. 57
B. CI Module Problem .................................................................................................... 58
C. Staying in Stand-by Mode Problem ........................................................................... 60
C. Staying in Stand-by Mode Problem ........................................................................... 60
D. IR Problem ................................................................................................................ 60
E. Keypad Touchpad Problems ...................................................................................... 60
F. USB Problem .............................................................................................................. 62
G. No Sound Problem ..................................................................................................... 62
F. USB Problem .............................................................................................................. 62
G. No Sound Problem ..................................................................................................... 62
H. Standby On/Off Problem ............................................................................................. 63
I. No Signal Problem ........................................................................................................ 63
I. No Signal Problem ........................................................................................................ 63
14. SERVICE MENU SETTINGS .................................................................................................... 64
15. OVERAL WIRING DIAGRAM ................................................................................................... 69
16. SCHEMATIC DIAGRAMS ........................................................................................................ 70
17. PRINTED WIRING BOARD ...................................................................................................... 81
18. CABINET AND MAIN COMPONENTS ......................................................................
15. OVERAL WIRING DIAGRAM ................................................................................................... 69
16. SCHEMATIC DIAGRAMS ........................................................................................................ 70
17. PRINTED WIRING BOARD ...................................................................................................... 81
18. CABINET AND MAIN COMPONENTS ......................................................................
82
19. INNER LAYOUT ....................................................................................................................... 83
20. REPLACEMENT PARTS LISTING ........................................................................................... 85
21. CABINET AND MAIN PARTS LISTING ..................................................................................... 96
20. REPLACEMENT PARTS LISTING ........................................................................................... 85
21. CABINET AND MAIN PARTS LISTING ..................................................................................... 96
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