Read Sharp LC-22LE240K Service Manual online
2
LC-22LE240
TABLE OF CONTENTS
i SPECIFICATIONS .......................................................................................................................... 5
ii IMPORTANT SERVICE SAFETY PRECAUTIONS ......................................................................... 6
iii OPERATION MANUAL ................................................................................................................. 9
iv DIMENSIONS ............................................................................................................................... 15
0. INTRODUCTION ........................................................................................................................... 16
ii IMPORTANT SERVICE SAFETY PRECAUTIONS ......................................................................... 6
iii OPERATION MANUAL ................................................................................................................. 9
iv DIMENSIONS ............................................................................................................................... 15
0. INTRODUCTION ........................................................................................................................... 16
0.1. General Block Diagram ................................................................................................. 17
0.2. MB60 Placement of Blocks ........................................................................................... 18
0.2. MB60 Placement of Blocks ........................................................................................... 18
1. TUNER(TU3) ................................................................................................................................. 19
1.1. General description of Sony RE216 ........................: .................................................... 19
2. AUDIO AMPLIFIER STAGE WITH AZAD2102(U163, U164) ........................................................ 21
2.1. General Description ...................................................................................................... 21
2.2. Features ........................................................................................................................ 21
2.3. Absolute Ratings ........................................................................................................... 22
2.3.1. Electrical Characteristics ........................................................................................ 22
2.3.2. Operating Specifications. ....................................................................................... 23
2.4. Pinning ............................................................................................................,............. 23
2.2. Features ........................................................................................................................ 21
2.3. Absolute Ratings ........................................................................................................... 22
2.3.1. Electrical Characteristics ........................................................................................ 22
2.3.2. Operating Specifications. ....................................................................................... 23
2.4. Pinning ............................................................................................................,............. 23
3. AUDIO AMPLIFIER STAGE WITH TPA3113 (U168,) .................................................................. 24
3.1. General Description .................................................................................................... 24
3.2. Features ........................................................................................................................ 24
3.3. Absolute Ratings .......................................................................................................... 24
3.3.1. Electrical Characteristics ........................................................................................ 24
3.3.2. Operating Specifications ........................................................................................ 25
3.4. Pinning .......................................................................................................................... 25
3.2. Features ........................................................................................................................ 24
3.3. Absolute Ratings .......................................................................................................... 24
3.3.1. Electrical Characteristics ........................................................................................ 24
3.3.2. Operating Specifications ........................................................................................ 25
3.4. Pinning .......................................................................................................................... 25
4. POWER STAGE ............................................................................................................................ 26
4.1. Power Management ...................................................................................................... 29
5. MICROCONTROLLER – MSTAR ( U5 ) ....................................................................................... 31
5.1. General Description ...................................................................................................... 31
5.2. MSTAR Block Diagram ................................................................................................. 35
5.3. Reset Circuit .................................................................................................................. 35
5.2. MSTAR Block Diagram ................................................................................................. 35
5.3. Reset Circuit .................................................................................................................. 35
6. CI INTERFACE .............................................................................................................................. 36
7. USB INTERFACE .......................................................................................................................... 36
8. DDR2 SDRAM K4T1G146QF ( U155 ) ......................................................................................... 37
8.1. General Description ..................................................................................................... 37
8.2. Features ....................................................................................................................... 37
8.3. Pinning ......................................................................................................................... 38
8.2. Features ....................................................................................................................... 37
8.3. Pinning ......................................................................................................................... 38
9. SCALER AND LVDS SOCKETS.. ................................................................................................. 39
9.1. LVDS sockets Block Diagram ..................................................................................... 39
9.2. Panel Supply Switch Circuit ......................................................................................... 39
9.2. Panel Supply Switch Circuit ......................................................................................... 39
10. SPI FLASH MEMORY - MX25L1005 (U158) ............................................................................. 40
10.1. General Description .................................................................................................... 40
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