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1
Table of Contents
1.
INTRODUCTION .......................................................................................................................................................... 2
2.
TUNER ........................................................................................................................................................................... 2
A.
SI2157 TerrestrIal and Cable TV Tuner ...................................................................................................................... 2
B. M88TS2022
Satell
ı
te Tuner ........................................................................................................................................ 5
3.
AUDIO AMPLIFIER STAGES ...................................................................................................................................... 6
A. MAIN
AMPLIFIER (TAS5719) ...................................................................................................................................... 6
B. HEAD-PHONE
AMPLIFIER STAGE .............................................................................................................................. 10
C. SUBWOOFER
AMPLIFIER STAGE .............................................................................................................................. 11
4.
POWER STAGE ........................................................................................................................................................... 16
5.
MICROCONTROLLER (MSTAR MSD95C0H) ......................................................................................................... 30
6.
VIDEO BACK-END PROCESSOR (MSTAR) ........................................................................................................... 37
7.
1Gb DDR3 SDRAM ..................................................................................................................................................... 41
8.
2Gb DDR3 SDRAM ..................................................................................................................................................... 42
9.
32Gbit (4G x 8 bit) NAND Flash Memory ................................................................................................................... 43
10.
16M-BIT [16M x 1] CMOS SERIAL FLASH EEPROM ............................................................................................ 45
11.
Demodulator Stage ........................................................................................................................................................ 49
12.
LNB supply and control IC ........................................................................................................................................... 53
13.
Troubleshoot
ı
ng ............................................................................................................................................................ 54
A. No
Backl
ı
ght Problem .............................................................................................................................................. 54
D. CI
Module Problem .................................................................................................................................................. 56
E. Stay
ı
ng
ı
n Stand-by Mode ........................................................................................................................................ 58
F. IR
Problem
................................................................................................................................................................ 58
G. Keypad
Touchpad Problems .................................................................................................................................... 59
H. USB
Problems ........................................................................................................................................................... 59
İ
. No
Sound
Problem ................................................................................................................................................... 60
J. Standby
On/Off Problem ......................................................................................................................................... 61
K. No
S
ı
gnal Problem .................................................................................................................................................... 61
14.
General Block D
ı
agram ................................................................................................................................................ 63
15.
PLACEMENT OF BLOCKS ........................................................................................................................................ 64
Содержание 55293DLB
Страница 1: ...HITACHI 55HK6T64U 55293DLB MB100 SERVICE MANUAL ...
Страница 5: ...4 Table Pin Functions ...
Страница 6: ...5 B M88TS2022 SATELLITE TUNER Pin Assigment ...
Страница 9: ...8 Pin descriptions and functions Figure TAS5719 Pin descriptions ...
Страница 10: ...9 Table TAS5719 Pin Functions ...
Страница 15: ...14 Table Electrical Characteristics Figure PHP Package Top View ...
Страница 16: ...15 Table Pin Functions ...
Страница 23: ...22 Figure Pin Description Table Pin functions ...
Страница 25: ...24 Table Recommended operating conditions Figure Pin Description ...
Страница 31: ...30 5 MICROCONTROLLER MSTAR MSD95C0H General Description ...
Страница 32: ...31 Features ...
Страница 33: ...32 ...
Страница 34: ...33 ...
Страница 35: ...34 ...
Страница 36: ...35 ...
Страница 37: ...36 Table Recommended operating conditions ...
Страница 38: ...37 6 VIDEO BACK END PROCESSOR MSTAR MST7410DY General Description ...
Страница 39: ...38 Table Recommended operating conditions Features ...
Страница 40: ...39 ...
Страница 41: ...40 Block Diagram Figure Block diagram ...
Страница 50: ...49 Table Pin description 11 DEMODULATOR STAGE MSB1240 DVB T2 Key Features ...
Страница 51: ...50 General Description ...
Страница 52: ...51 Block Diagram ...
Страница 53: ...52 Pinning Absolute Maximum Ratings ...
Страница 63: ...62 ...
Страница 65: ...64 15 PLACEMENT OF BLOCKS ...