Toshiba TW40F80 manual Wide Aspect Conversion Circuit Failure Analysis

Contents Page 2

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