Sharp LC-22DV510K, Service Manual

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LC-22DV510
LC-24DV510
TABLE OF CONTENTS
i SPECIFICATIONS .......................................................................................................................... 5
ii IMPORTANT SERVICE SAFETY PRECAUTIONS ......................................................................... 7
iii OPERATION MANUAL ................................................................................................................. 10
iv DIMENSIONS ............................................................................................................................... 16
1. INTRODUCTION ........................................................................................................................... 18
1.1. General Block Diagram ................................................................................................. 19
1.2. MB60 Placement of Blocks ........................................................................................... 20
2. TUNER(TU102) ............................................................................................................................. 21
2.1. General description of Samsung DTOS403LH122X: .................................................... 22
2.2. Features of DTOS403LH122X: ..................................................................................... 22
2.3. Pinning: ......................................................................................................................... 23
3. SAW FILTER – Audio – Epcos K9656M(Z101) ............................................................................. 24
3.1. Standard ........................................................................................................................ 24
3.2. Features ....................................................................................................................... 24
3.3. Pin configuration ........................................................................................................... 24
3.4. Frequency response .................................................................................................... 25
4. SAW FILTER – Video – Epcos K3958M(Z102) ............................................................................. 26
4.1. Standard ........................................................................................................................ 26
4.2. Features ....................................................................................................................... 26
4.3. Pin configuration: .......................................................................................................... 26
4.4. Frequency response .................................................................................................... 27
5. AUDIO AMPLIFIER STAGE WITH AZAD2102(U163, U164) ....................................................... 28
5.1. General Description ...................................................................................................... 28
5.2. Features ........................................................................................................................ 28
5.3. Absolute Ratings ........................................................................................................... 29
5.3.1. Electrical Characteristics ............................................................................................ 29
5.3.2. Operating Specifications. ........................................................................................... 30
5.4. Pinning ............................................................................................................,............. 31
6. AUDIO AMPLIFIER STAGE WITH TPA3113(U168) ..................................................................... 32
6.1. General Description ..................................................................................................... 32
6.2. Features ........................................................................................................................ 32
6.3. Absolute Ratings .......................................................................................................... 32
6.3.1. Electrical Characteristics ............................................................................................ 32
6.3.2. Operating Specifications ............................................................................................ 33
6.4. Pinning .......................................................................................................................... 33
7. POWER STAGE ............................................................................................................................ 34
7.1. Short CCT Protection Circuit ......................................................................................... 36
7.2. Power Management ...................................................................................................... 39
8. MICROCONTROLLER – MSTAR(U157) ...................................................................................... 39
8.1. General Description ...................................................................................................... 39
8.2. General Features .......................................................................................................... 39
8.3. MSTAR Block Diagram ................................................................................................. 44
8.4. Reset Circuit .................................................................................................................. 44