Toshiba TW40F80 Manuel D’Utilisation

Toshiba

SECTION V: WAC CIRCUIT .................................................................................... 37
1. OUTLINE .................................................................................................................. 37
2. CIRCUIT OPERATION .......................................................................................... 37
3. BLOCK DIAGRAM ................................................................................................. 42
4. WIDE ASPECT CONVERSION CIRCUIT FAILURE ANALYSIS

PROCEDURES ......................................................................................................... 43

SECTION VI: DUAL CIRCUIT ................................................................................ 45
1. OUTLINE .................................................................................................................. 45
2. PRINCIPLES OF OPERATION ............................................................................. 45
3. SYSTEM COMPONENT DIAGRAM OF DUAL UNIT ...................................... 46
4. CIRCUIT OPERATION .......................................................................................... 47
5. TERMINAL FUNCTION, DESCRIPTION AND BLOCK DIAGRAM OF

MAIN IC .................................................................................................................... 51

SECTION VII: 3-DIMENSION Y/C SEPARATOR CIRCUIT .............................. 58
1. OUTLINE .................................................................................................................. 58
2. CIRCUIT DESCRIPTION ...................................................................................... 58

SECTION VIII: VERTICAL OUTPUT CIRCUIT .................................................. 60
1. OUTLINE .................................................................................................................. 60
2. V OUTPUT CIRCUIT.............................................................................................. 61
3. PROTECTION CIRCUIT FOR V DEFLECTION STOP ................................... 64
4. RASTER POSITION SWITCHING CIRCUIT .................................................... 66

SECTION IX: HORIZONTAL DEFLECTION CIRCUIT .................................... 67
1. OUTLINE .................................................................................................................. 67
2. HORIZONTAL DRIVE CIRCUIT ......................................................................... 67
3. BASIC OPERATION OF HORIZONTAL DRIVE ............................................... 67
4. HORIZONTAL OUTPUT CIRCUIT ..................................................................... 69
5. HIGH VOLTAGE GENERATION CIRCUIT ....................................................... 76
6. HIGH VOLTAGE CIRCUIT ................................................................................... 78
7. X-RAY PROTECTION CIRCUIT .......................................................................... 80
8. OVER CURRENT PROTECTION CIRCUIT ...................................................... 81

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