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TCP102SEF0


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                                                 P/N:TCP102SEF0


Service Manual
COLOR Television

CHASSIS : CP-102S
Model : DTB-21S6/21S7




   Caution
   : In this Manual, some parts can be changed for improving. their
     performance without notice in the parts list. So, if you need the
     latest parts information, please refer to PPL(Parts Price List)in
     Service Information Center.




                                                          Jul. 2007
                                                       CP-102S Service Manual



                                 CONTENTS

DOCUMENT HISTORY                                                               3

1 MAIN FEATURES                                                             4
   1.1 SPECIFICATIONS                                                       4
     1.1.1 GENERAL                                                          4
     1.1.2 EURO-SCART 1 (21 Pin)                                            4
     1.1.3 EURO-SCART 2 (21 Pin)                                            5
   1.2 CHANNEL/FREQUENCY TABLE                                              6
2 SAFETY INSTRUCTION                                                        9
3 ALIGNMENT INSTRUCTIONS                                                   10
   3.1 MICROCONTROLLER CONFIGURATION : SERVICE MODE                        10
   3.2 SERVICE MODE NAVIGATION                                             10
   3.3 MICROCONTROLLER CONFIGURATION : OPTION BITS                         10
   3.4 OPTION 1                                                            11
   3.5 OPTION 2                                                            11
   3.6 NVM DEFAULT SETTING                                                 12
   3.7 TV SET ALIGNMENT                                                    14
     3.7.1 G2 ALIGNMENT                                                    14
     3.7.2 WHITE BALANCE                                                   14
     3.7.3 FOCUS                                                           14
     3.7.4 VERTICAL GEOMETRY                                               14
     3.7.5 HORIZONTAL PICTURE CENTRING                                     14
     3.7.6 AGC                                                             14
4 IC DESCRIPTION                                                           15
   4.1 UOC III SERIES                                                      15
     4.1.1 IC MARKING AND VERSION                                          15
     4.1.2 BLOCK DIAGRAM                                                   16
     4.1.3 PINNING                                                         17
     4.1.4 FEATURES                                                        20
   4.2 LA42032 STEREO AUDIO AMPLI FIER                                     23
     4.2.1 FEATURES                                                        24
   4.3 LA7848 VERTICAL AMPLIFIER                                           26
     4.3.1 FEATURES                                                        26
   4.4 24WC16 - 16 KB EEPROM                                               28
   4.5 STR - W6754                                                         29
     4.5.1 GENERAL DESCRIPTION                                             29
     4.5.2 FEATURES                                                        29
     4.5.3 BLOCK DIAGRAM                                                   29
     4.5.4 PIN DESCRIPTION                                                 30
     4.5.5 CONTROL PART - ELECTRICAL CHARACTERISTICS                       30



                                                                           1
                                                          CP-102S Service Manual




5 CIRCUIT DESCRIPTION                                                        32
  5.1 BLOCK DIAGRAM                                                          32
  5.2 FUNCTIONAL DESCRIPTION OF VIDEO PROCESSOR                              33
    5.2.1 Vision IF amplifier                                                33
    5.2.2 QSS sound circuit                                                  33
    5.2.3 FM demodulator                                                     33
    5.2.4 Audio input selector and volume contro                             34
      5.2.4.1 STEREO AND AV STEREO VERSIONS                                  34
      5.2.4.2 MONO VERSIONS                                                  34
    5.2.5 CVBS and Y/C input signal selection                                34
      5.2.5.1 ALL VERSIONS                                                   34
    5.2.6 Synchronisation circuit                                            35
    5.2.7 Horizontal and vertical drive                                      36
    5.2.8 Chroma, luminance and feature processing                           36
    5.2.9 Colour decoder                                                     37
    5.2.10 RGB output circuit                                                38
    5.2.11 I2C-BUS USER INTERFACE DESCRIPTION                                40
  5.3 GENERAL DESCRIPTION OF THE TV SOUND OF SOUND PROCESSOR                 40
    5.3.1 Supported standards                                                41
  5.4 FUNCTIONAL DESCRIPTION SOUND PROCESSOR                                 42
    5.4.1 The UOC III TV Sound Concept                                       42
    5.4.2 Functional Overview Of the digital controller sound part           43
    5.4.3 Demodulator and decoder                                            44
6 SERVICE PARTS LIST                                                         47
  6.1 DTB-21S6                                                               47
7 EXPLODED VIEW                                                              52
  7.1 DTB-21S6                                                               52
  7.2 DTB-21S7                                                               53
8 PRINTED CIRCUIT BOARD                                                      54
  8.1 4859816893                                                             54
9 SCHEMATIC DIAGRAM                                                          55
  9.1 CP-102S                                                                55




                                                                             2
                                                               CP-102S Service Manual

DOCUMENT HISTORY


VERSION    DATE                                  COMMENTS
 V1.0     14/06/07 Creation of document for project CP-102S 50Hz TV.




                                                                                3
                                                                   CP-102S Service Manual

1     MAIN FEATURES

1.1    SPECIFICATIONS

1.1.1 GENERAL

         TV standard                PAL - SECAM B/G D/K, PAL I/I, SECAM L/L'
         Colour system        Tuner PAL, SECAM
                              AV    PAL, SECAM, PAL 60, NTSC M, NTSC 4.43
         Sound system               NICAM B/G, I, D/K, L,
                                    FM 2Carrier B/G, D/K
         Power                      68W
         consumption


         Sound Output               3W x 2 (at 60% mod, 10% THD)
         Power
         Speaker                    5W 8 ohm x2

         Teletext system            10 pages memory FASTEXT (FLOF or TOP)
         Aerial input               75 ohm unbalanced
         Channel coverage           Off-air channels, S-cable channels and hyperband
         Tuning system              frequency synthesiser tuning system
         Visual screen size         51cm


         Channel indication         On Screen Display
         Program Selection          100 programmes
         Aux. terminal              EURO-SCART 1 : Audio / Video In and Out, R/G/B
                                    In, Slow and Fast switching.
                                    EURO-SCART 2 : Audio / Video In and Out, SVHS
                                    In.
                                    AV3 : Audio-Video Jack on side of cabinet.
                                    Headphone jack (3.5 mm) on side of cabinet


         Remote Control             R-49C10
         Unit

1.1.2 EURO-SCART 1 (21 Pin)
 Pin    Signal Description    Matching value
1       Audio Output Right    0.5 Vrms, Impedance < 1 k, ( RF 54% Mod )
2       Audio Input Right     0.5 Vrms, Impedance > 10 k
3       Audio Output Left     0.5 Vrms, Impedance < 1 k, ( RF 54% Mod )
4       Audio Earth
5       Blue Earth
6       Audio Input Left      0.5 Vrms, Impedance > 10 k
7       Blue Input            0.7 Vpp 



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