Daewoo DTC-21Y1/21Y2 Manuel D’Utilisation
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