Toshiba CN27E90 Technical Training Manual page 3

SECTION V
A/V SWITCHING CIRCUIT .................................... 44
1. OUTLINE ............................................................................................................................................ 45
2. IN / OUT TERMINALS ..................................................................................................................... 45
3. CIRCUIT OPERATION .................................................................................................................... 45
SECTION VI
VIDEO PROCESSING CIRCUIT ............................ 47
1. OUTLINE ............................................................................................................................................ 48
2. SIGNAL FLOW .................................................................................................................................. 48
3. CIRCUIT OPERATION .................................................................................................................... 48
SECTION VII
V/C/D/IC ...................................................................... 52
1. OUTLINE ............................................................................................................................................ 53
2. LARGE SCALE EMPLOYMENT OF BUS CONTROL OF PARAMETER FOR PICTURE
CONTROLS ...................................................................................................................................... 53
3. EMPLOYMENT OF CONTAINING EACH VIDEO BAND FILTER INSIDE.......................... 53
4. EMPLOYMENT OF CONTAINING EACH FILTER (FOR S/H) INSIDE ................................. 53
5. LOW COST OF IC ............................................................................................................................ 53
SECTION VIII
PIP MODULE ............................................................. 55
SECTION IX
SYNC SEPARATION, H-AFC,
H-OSCILLATOR CIRCUITS .............................. 58
1. SYNC SEPARATION CIRCUIT ...................................................................................................... 59
2. H AFC (Automatic Frequency Control) CIRCUIT ......................................................................... 60
3. H OSCILLATOR CIRCUIT ............................................................................................................. 61
SECTION X
VERTICAL OUTPUT CIRCUIT ............................. 63
1. OUTLINE ............................................................................................................................................ 64
2. V OUTPUT CIRCUIT ....................................................................................................................... 65
3