Read Sharp LC-32D12EA (serv.man2) Service Manual online
2
LC-32D12E(A)
LC-40F22E(A)
LC-40F22E(A)
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 ............................................................................................................,............. 30
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 ..................................................................................................... 37
8. MICROCONTROLLER
– MSTAR(U157) ..................................................................................... 39
8.1. General Description ..................................................................................................... 39
8.2. General Features ......................................................................................................... 39
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