i
32” TFT TV Service Manual
06/03/2006
TABLE OF CONTENTS
1.
INTRODUCTION ...................................................................................................................................... 1
2.
TUNER...................................................................................................................................................... 1
3.
IF PART (TDA9886) ................................................................................................................................. 1
4.
MULTI STANDARD SOUND PROCESSOR............................................................................................ 2
5.
VIDEO SWITCH TEA6415 ....................................................................................................................... 2
6.
AUDIO AMPLIFIER STAGE WITH TPA3002D2 ...................................................................................... 2
7.
POWER .................................................................................................................................................... 2
8.
MICROCONTROLLER SDA55XX............................................................................................................ 3
8.1.
General Features............................................................................................................................... 3
8.2.
External Crystal and Programmable Clock Speed............................................................................ 3
8.3.
Microcontroller Features.................................................................................................................... 3
8.4.
Memory.............................................................................................................................................. 3
8.5.
Display Features................................................................................................................................ 3
8.6.
ROM Characters................................................................................................................................ 3
8.7.
Acquisition Features.......................................................................................................................... 4
8.8.
Ports .................................................................................................................................................. 4
9.
SERIAL ACCESS CMOS 16K (2048*8) EEPROM ST24C16.................................................................. 4
10.
CLASS AB STEREO HEADPHONE DRIVER TDA1308 ......................................................................... 4
11.
SAW FILTERS.......................................................................................................................................... 4
12.
IC DESCRIPTIONS AND INTERNAL BLOCK DIAGRAM ....................................................................... 5
12.1.
LM1117.............................................................................................................................................. 5
12.1.1.
General Description
................................................................................................................. 5
12.1.2.
Features
.................................................................................................................................... 5
12.1.3.
Applications
.............................................................................................................................. 5
12.1.4.
Connection Diagrams
.............................................................................................................. 5
12.2.
LM2576.............................................................................................................................................. 6
12.2.1.
General Description
................................................................................................................. 6
12.2.2.
Features
.................................................................................................................................... 6
12.2.3.
Pin description
......................................................................................................................... 6
12.3.
LM317T ............................................................................................................................................. 7
12.3.1.
Description
................................................................................................................................ 7
12.3.2.
Features
.................................................................................................................................... 7
12.4.
ST24LC21 ......................................................................................................................................... 8
12.4.1.
Description
................................................................................................................................ 8
12.4.2.
Features
.................................................................................................................................... 8
12.4.3.
Pin connections
........................................................................................................................ 8
12.5.
TEA5114A ......................................................................................................................................... 9
12.5.1.
General description
................................................................................................................. 9
12.5.2.
Features
.................................................................................................................................... 9
12.5.3.
Pin Connections
....................................................................................................................... 9
12.6.
TEA6415.......................................................................................................................................... 10
12.6.1.
General description
............................................................................................................... 10
12.6.2.
Features
.................................................................................................................................. 10
12.6.3.
Pinning
.................................................................................................................................... 10
12.7.
VPC3230D....................................................................................................................................... 11
12.7.1.
General Description
............................................................................................................... 11
12.7.2.
Pin Connections and Short Descriptions
............................................................................ 11
12.8.
SDA55XX (SDA5550)...................................................................................................................... 13
12.8.1.
General description
............................................................................................................... 13
12.9.
TPA3003D2 ..................................................................................................................................... 14
12.9.1.
General Description
............................................................................................................... 14
12.9.2.
Features
.................................................................................................................................. 14
12.9.3.
Pin Connection
....................................................................................................................... 14
12.10.
TDA9885/86 .................................................................................................................................... 15
12.10.1.
General description
............................................................................................................... 15
12.10.2.
Features
.................................................................................................................................. 15
12.10.3.
Pinning
.................................................................................................................................... 15
