LC-24DV250K (serv.man2). (C model Supplement) - Sharp TV Service Manual (repair manual). Page 2

i   SPECIFICATIONS ......................................................................................................................   4 
ii DIFFERENCES BETWEEN MODELS ………………………………………………………………..    5 
iIi  IMPORTANT SERVICE SAFETY PRECAUTIONS ....................................................................   6 
iv  OPERATION MANUAL ..............................................................................................................   9 
V  DIMENSIONS ............................................................................................................................  13 
vi NEW PANEL IDENTIFICATION ………………………………………………………………………  14  
vii CAUTION WHEN REMOVE THE REAR CABINET ...................................................................  16 
1. INTRODUCTION ........................................................................................................................  19 

1.1. General Block Diagram  .............................................................................................  20 
1.2. MB60 Placement of Blocks ........................................................................................  21 

2. TUNER  ......................................................................................................................................  22 
     A. ST2156 Terrestrial and Cable TV Tuner 

 A.1 Description ................................................................................................................  22 
 A.2 Features ....................................................................................................................  22 

3. AUDIO AMPLIFIER STAGES ……………………………………………………………….….…….  25 

      A. Main Amplifier (TAS5719) (6-8 W option) ............................................................................  25 

  a. General Description ....................................................................................................  25 

  b. Features ......................................................................................................................  25 

  c. Pin Descriptions and functions.....................................................................................  26 

      B. Main Amplifier (TS4962M) (2,5 W. option) ..........................................................................   28 

  a. General Description.....................................................................................................  28 

  b. Features ......................................................................................................................  28 

  c. Pin descriptions and functions .....................................................................................  29 

       C. Headphone Amplifier Stage ................................................................................................  30 

4. POWER STAGE..........................................................................................................................  31  

      FDC 642P .................................................................................................................................  32 

  a. General Description .....................................................................................................  32 

      TPS65251 .................................................................................................................................  32 

  a. General Descriptions ...................................................................................................  32 

  b. Features ......................................................................................................................  33 

       MP1484 ...................................................................................................................................   35 

                a. General Descriptions ..................................................................................................  35 

                b. Features ......................................................................................................................  35 

       APL5910 ..................................................................................................................................  37 

                 a. General Descriptions .................................................................................................  37 

                 b. Features ....................................................................................................................  37 

       LM1117 ....................................................................................................................................  39 

                  a. General Descriptions ................................................................................................   39 
                  b. Features Descriptions ..............................................................................................   39 

5. MICROCONTROLLER – MSTAR MSD8WB9BX ......................................................................  40 

                a. General Description ...................................................................................................  40 

                b. Features .....................................................................................................................  41 

6.  1Gb. DDR3 SDRAM ..................................................................................................................   44 
       Hynix H5TQ1G630FA  
                 a. Description ................................................................................................................  44  
                 b. Features ....................................................................................................................  44