Read Sharp LC-40SH340K (serv.man2) Service Manual online
2
LC-40SH340E
LC-40SH340K
LC-40SH340K
TABLE OF CONTENTS
i. SPECIFICATIONS .......................................................................................................................... 5
ii. IMPORTANT SERVICE SAFETY PRECAUTIONS ....................................................................... 6
iii. OPERATION MANUAL ................................................................................................................. 9
iv. DIMENSIONS ............................................................................................................................... 15
1. INTRODUCTION ........................................................................................................................... 16
1.1. General Block Diagram ................................................................................................. 17
1.2. MB60 Placement of Blocks ........................................................................................... 18
2. TUNER(TU102) ............................................................................................................................. 19
2.1. General description of Samsung DTOS403LH122X: ................................................... 20
2.2. Features of DTOS403LH122X: ..................................................................................... 20
2.3. Pinning: ......................................................................................................................... 21
3. SAW FILTER Audio Epcos K9656M(Z101) ............................................................................ 22
3.1. Standard ....................................................................................................................... 22
3.2. Features ....................................................................................................................... 22
3.3. Pin configuration ......................................................................................................... 22
3.4. Frequency response .................................................................................................. 23
4. SAW FILTER Video Epcos K3958M(Z102) ............................................................................ 24
4.1. Standard ....................................................................................................................... 24
4.2. Features ....................................................................................................................... 24
4.3. Pin configuration: ......................................................................................................... 24
4.4. Frequency response .................................................................................................... 25
5. AUDIO AMPLIFIER STAGE WITH AZAD2102(U163, U164) ....................................................... 26
5.1. General Description ...................................................................................................... 26
5.2. Features ........................................................................................................................ 26
5.3. Absolute Ratings ........................................................................................................... 27
5.3.1. Electrical Characteristics ............................................................................................ 27
5.3.2. Operating Specifications. ........................................................................................... 28
5.4. Pinning ............................................................................................................,............. 29
6. AUDIO AMPLIFIER STAGE WITH TPA3113(U168) ..................................................................... 30
6.1. General Description ...................................................................................................... 30
6.2. Features ........................................................................................................................ 30
6.3. Absolute Ratings .......................................................................................................... 30
6.3.1. Electrical Characteristics ........................................................................................... 30
6.3.2. Operating Specifications ........................................................................................... 31
6.4. Pinning ......................................................................................................................... 31
7. POWER STAGE ........................................................................................................................... 32
7.1. Short CCT Protection Circuit ........................................................................................ 34
7.2. Power Management ..................................................................................................... 35
8. MICROCONTROLLER MSTAR(U157) ..................................................................................... 37
8.1. General Description ..................................................................................................... 37
8.2. General Features ......................................................................................................... 37
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