LC-22D12E - Sharp TV Service Manual (repair manual). Page 2

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TABLE OF CONTENTS
1.
INTRODUCTION...................................................................................................................... 5
1.1.
General Block Diagram.................................................................................................. 6
1.2.
MB60 Placement of Blocks............................................................................................ 7
1.
TUNER(TU102)......................................................................................................................... 8
1.1.
General description of Samsung DTOS403LH122X:.................................................... 8
1.2.
Features of DTOS403LH122X: ..................................................................................... 8
1.3.
Pinning: .......................................................................................................................... 9
2.
SAW FILTER – Audio – Epcos K9656M(Z101) ...................................................................... 9
2.1.
Standart........................................................................................................................... 9
2.2.
Features ........................................................................................................................ 10
2.3.
Pin configuration .......................................................................................................... 10
2.4.
Frequency response ...................................................................................................... 10
3.
SAW FILTER – Video – Epcos K3958M(Z102) .................................................................... 11
3.1.
Standart......................................................................................................................... 11
3.2.
Features ........................................................................................................................ 11
3.3.
Frequency response ...................................................................................................... 12
4.
AUDIO AMPLIFIER STAGE WITH AZAD2102(U163, U164) ........................................... 12
4.1.
General Description...................................................................................................... 12
4.2.
Features ........................................................................................................................ 13
4.3.
Absolute Ratings .......................................................................................................... 14
4.3.1.
Electrical Characteristics.......................................................................................... 14
4.3.2.
Operating Specifications .......................................................................................... 15
4.4.
Pinning ......................................................................................................................... 16
5.
AUDIO AMPLIFIER STAGE WITH TPA3113(U168) ......................................................... 16
5.1.
General Description...................................................................................................... 16
5.2.
Features ........................................................................................................................ 17
5.3.
Absolute Ratings .......................................................................................................... 17
5.3.1.
Electrical Characteristics.......................................................................................... 17
5.3.2.
Operating Specifications .......................................................................................... 18
5.4.
Pinning ......................................................................................................................... 18
6.
POWER STAGE ...................................................................................................................... 19
6.1.
Power Management...................................................................................................... 22
7.
MICROCONTROLLER – MSTAR(U157) ............................................................................. 23
7.1.
General Descripction.................................................................................................... 23
7.2.
General Features........................................................................................................... 24
7.3.
MSTAR Block Diagram............................................................................................... 28
7.4.
Reset Circuit................................................................................................................. 29
8.
CI INTERFACE....................................................................................................................... 29
7.1
Block Diagram ............................................................................................................. 29
7.1
CI Interface Power Switch ........................................................................................... 30
9.
T2 Demodulator CXD2820R (U167)....................................................................................... 30
9.1.
General Description...................................................................................................... 30
9.2.
Features ........................................................................................................................ 30
9.3.
Pinning ......................................................................................................................... 32
10.
USB INTERFACE ............................................................................................................... 35
11.
DDR2 SDRAM 8M × 4 BANKS × 16 BIT (W9751G6JB) (U154, U155) ......................... 35
11.1. General Description...................................................................................................... 35
11.2. Features ........................................................................................................................ 36
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