Daewoo DTC-21Y1/21Y2 - Manual (Page 2)

CP-520/520A/520F Service Manual
DTV R&D Europe 1
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 EAST / WEST CORRECTION ............................................................................... 14
3.7.7 AGC ....................................................................................................................... 15
4 IC DESCRIPTION ................................................................................................................ 16
4.1 UOC
III
SERIES ............................................................................................................. 16
4.1.1 IC MARKING AND VERSION................................................................................ 16
4.2 TDA8946J STEREO AUDIO AMPLIFIER .................................................................... 24
4.2.1 FEATURES............................................................................................................ 25
4.3 TDA8358J VERTICAL AMPLIFIER ............................................................................. 27
4.3.1 TDA8358J.............................................................................................................. 27
4.4 TDA6107AJF................................................................................................................ 29
4.4.1 Features................................................................................................................. 29
4.4.2 Pin description ....................................................................................................... 29
4.5 24WC16 - 16 KB EEPROM .......................................................................................... 30
4.6 STR - F6653 ................................................................................................................. 31
4.6.1 GENERAL DESCRIPTION .................................................................................... 31
4.6.2 FEATURES............................................................................................................ 31
4.6.3 BLOCK DIAGRAM................................................................................................. 31
4.6.4 PIN DESCRIPTION ............................................................................................... 32
4.6.5 CONTROL PART - ELECTRICAL CHARACTERISTICS....................................... 32
4.6.6 MOSFET ELECTRICAL CHARACTERISTICS ...................................................... 33
5 CIRCUIT DESCRIPTION ..................................................................................................... 34
5.1 BLOCK DIAGRAM ....................................................................................................... 34
5.2 FUNCTIONAL DESCRIPTION OF VIDEO PROCESSOR ........................................... 35
5.2.1 Vision IF amplifier .................................................................................................. 35
5.2.2 QSS sound circuit .................................................................................................. 35
5.2.3 FM demodulator..................................................................................................... 35
5.2.4 Audio input selector and volume contro ................................................................. 36