Read Sharp LC-24LE250EK (serv.man2) Service Manual online
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LC-24LE250 (C)
6. 1Gb. DDR3 SDRAM .................................................................................................................... 45
Hynix H5TQ1G630FA
a. Description ................................................................................................................... 45
b. Features ....................................................................................................................... 45
7. 1Gb G-die DDR3 SDRAM ............................................................................................................ 46
7. 1Gb G-die DDR3 SDRAM ............................................................................................................ 46
Samsung K4B1G1646G
a. Key Features ............................................................................................................... 46
b. Description .................................................................................................................. 47
b. Description .................................................................................................................. 47
8. 2Gbit (256M x 8 bit) NAND FLASH MEMORY .............................................................................. 48
H27U2G8F2CTR-BC
H27U2G8F2CTR-BC
a. Key Features .............................................................................................................. 48
b. Descriptions ................................................................................................................ 49
9. 16M-BIT (16Mx1) CMOS SERIAL NAND FLASH EEPROM ....................................................... 51
Mx25L1602 Mstar SPI FLASH
a. Key Features .............................................................................................................. 51
Mx25L1602 Mstar SPI FLASH
a. Key Features .............................................................................................................. 51
b. General Description ................................................................................................... 53
10. USB INTERFACE ....................................................................................................................... 54
USB2512B
USB2512B
a. General Descriptions ................................................................................................. 55
b. Features ..................................................................................................................... 55
c. Applications ................................................................................................................ 55
11. CI INTERFACE ........................................................................................................................... 56
12. SOFTWARE UPDATE ................................................................................................................ 57
13. TROUBLESHOOTING ................................................................................................................ 58
13. TROUBLESHOOTING ................................................................................................................ 58
A. No Backlight Problem .................................................................................................. 58
B. CI Module Problem ........................................................................................................ 59
C. Staying in Stand-by Mode Problem ............................................................................... 61
D. IR Problem .................................................................................................................... 61
E. Keypad Touchpad Problems ......................................................................................... 61
F. USB Problem ................................................................................................................. 63
G. No Sound Problem ........................................................................................................ 63
H. Standby On/Off Problem ............................................................................................... 64
I. No Signal Problem .......................................................................................................... 64
I. No Signal Problem .......................................................................................................... 64
14. SERVICE MENU SETTINGS ..................................................................................................... 65
15. OVERAL WIRING DIAGRAM ..................................................................................................... 71
16. INNER LAYOUT ……………………………………………………………………………………….. 72
17. SCHEMATIC DIAGRAMS .......................................................................................................... 73
18. PRINTED WIRING BOARD ....................................................................................................... 84
19. CABINET AND MAIN COMPONENTS ...................................................................................... 85
15. OVERAL WIRING DIAGRAM ..................................................................................................... 71
16. INNER LAYOUT ……………………………………………………………………………………….. 72
17. SCHEMATIC DIAGRAMS .......................................................................................................... 73
18. PRINTED WIRING BOARD ....................................................................................................... 84
19. CABINET AND MAIN COMPONENTS ...................................................................................... 85
20. REPLACEMENT PARTS LISTING ............................................................................................. 87
21. CABINET AND MAIN PARTS LISTING ..................................................................................... 97
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