Hitachi 22LD4500UK, Service Manual, Page: 2 / 59

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TABLE OF CONTENTS
1. INTRODUCTION
........................................................................................................................... 1
2. TUNER
............................................................................................................................................. 1
3. IF PART (TDA988X)
..................................................................................................................... 1
4. MULTI STANDARD SOUND PROCESSOR
.......................................................................... 1
5. AUDIO AMPLIFIER STAGE WITH AN7522
........................................................................... 2
6. POWER
........................................................................................................................................... 2
7. MICROCONTROLLER SDA55XX
............................................................................................. 2
7.1. General Features ............................................................................................................................ 2
7.2. External Crystal and Programmable Clock Speed............................................................................ 2
7.3. Microcontroller Features .................................................................................................................. 2
7.4. Memory........................................................................................................................................... 2
7.5. Display Features ............................................................................................................................. 2
7.6. ROM Characters ............................................................................................................................. 3
7.7. Acquisition Features ........................................................................................................................ 3
7.8. Ports ............................................................................................................................................... 3
8. SERIAL ACCESS CMOS 16K (2048*8) EEPROM ST24C16
............................................ 3
9. CLASS AB STEREO HEADPHONE DRIVER TDA1308
..................................................... 3
10. SAW FILTERS
............................................................................................................................... 3
11. IC DESCRIPTIONS
...................................................................................................................... 4
11.1. LM1117 ....................................................................................................................................... 4
11.1.1. General Description ............................................................................................................ 4
11.1.2. Features .............................................................................................................................. 4
11.1.3. Applications ........................................................................................................................ 4
11.1.4. Connection Diagrams ......................................................................................................... 4
11.2. LM2576 ....................................................................................................................................... 5
11.2.1. General Description ............................................................................................................ 5
11.2.2. Features .............................................................................................................................. 5
11.2.3. Pin description .................................................................................................................... 5
11.3. LM317T ....................................................................................................................................... 6
11.3.1. Description .......................................................................................................................... 6
11.3.2. Features .............................................................................................................................. 6
11.4. TFMS5360................................................................................................................................... 6
11.4.1. Description .......................................................................................................................... 6
11.4.2. Features .............................................................................................................................. 6
11.5. ST24LC21 ................................................................................................................................... 7
11.5.1. Description .......................................................................................................................... 7
11.5.2. Features .............................................................................................................................. 7
11.5.3. Pin connections .................................................................................................................. 7
11.6. SST37VF040 ............................................................................................................................... 8
11.6.1. Description .......................................................................................................................... 8
11.6.2. Features .............................................................................................................................. 8
11.6.3. Pin Description ................................................................................................................... 8
11.7. TEA5114A ................................................................................................................................... 9
11.7.1. General description ............................................................................................................ 9
11.7.2. Features .............................................................................................................................. 9
11.7.3. Pin Connections .................................................................................................................. 9
11.8. TEA6415 ................................................................................................................................... 10
11.8.1. General description .......................................................................................................... 10
11.8.2. 13.5.2.Features .................................................................................................................. 10
11.8.3. 13.5.3.Pinning .................................................................................................................... 10
11.9. VPC3230D................................................................................................................................. 11
11.9.1. General Description .......................................................................................................... 11
11.9.2. Pin Connections and Short Descriptions ........................................................................ 11
11.10. SDA55XX (SDA5550) ................................................................................................................ 13
11.10.1. General description .......................................................................................................... 13