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Table of Contents
1. INTRODUCTION .................................................................................................................................................. 3
2. T/T2/C/A Tuner (U1) .............................................................................................................................................. 4
3. S/S2 TUNER (U142) .............................................................................................................................................. 5
4. AUDIO AMPLIFIER STAGES ............................................................................................................................. 7
A. MAIN AMPLIFIER (U62)(6-8-10 W option) ................................................................................................................. 7
B. MAIN AMPLIFIER (U91)(2.5 W optIon) .................................................................................................................... 10
C. HEADPHONE AMPLIFIER (U85) ................................................................................................................................ 11
5. POWER STAGE................................................................................................................................................... 13
A. FDC642P ................................................................................................................................................................... 14
B. DMG6402LDM ......................................................................................................................................................... 15
C. TPS54528 ................................................................................................................................................................. 15
D. TPS562201 ............................................................................................................................................................... 16
E. RT7278 ..................................................................................................................................................................... 17
F. RT6213 ..................................................................................................................................................................... 19
G. LM1117 .................................................................................................................................................................... 20
H. APL5910 ................................................................................................................................................................... 21
6. MICROCONTROLLER ....................................................................................................................................... 22
NOVATEK NT72563MBG-GA .................................................................................................................................... 22
7. 4Gb DDR3 SDRAM ............................................................................................................................................. 28
Hynix H5TQ4G63EFR-TEC 2133 (U72) ..................................................................................................................... 28
8. 4Gbit (256M x 8 bit) NAND Flash Memory ........................................................................................................ 29
MT29F4G08ABAEAWP (U133) ................................................................................................................................. 29
9. 16M-BIT [16M x 1] CMOS SERIAL FLASH EEPROM .................................................................................... 31
KH25L1606EM2-12G Macronix SPI Flash (U81) ....................................................................................................... 31
10. USB Interface ....................................................................................................................................................... 32
11. CI Interface ........................................................................................................................................................... 33
12. Software Update ................................................................................................................................................... 33
MaIn SW update ...................................................................................................................................................... 33
13. TroubleshootIng .................................................................................................................................................... 34
A. No BacklIght Problem .............................................................................................................................................. 34
B. CI Module Problem .................................................................................................................................................. 35
C. StayIng In Stand-by Mode ........................................................................................................................................ 36
D. IR Problem ................................................................................................................................................................ 37
E. Keypad Touchpad Problems .................................................................................................................................... 38
F. USB Problems ........................................................................................................................................................... 38
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