Tektronix 2430 - Video Option Field-Sync Identification

Figure3-14. Video Optionfield-sync identification.
3-86
4917-17
VERTICAL SYNC
TOP OF
FIELD 2
RE T RACE
BLANKING
BOTTOM OF
FIELD 1
VERT S YNC ( 2)
f--1 --I-- 2 --I-- 3~ 4 --I-- 5__,__6 --I-- 7 --I-- 8 --I-- 9--l
VERT SY NC ( 1)
f--H--1--1 --I-- 2 --I-- 3 --i+- 4 --I-- 5__,__6 # 7 --I-- 8 --I-- 9--l
I I
RE T RACE
BLANKING
6
EQUALIZING
PU L SES
6
EQ U ALIZ I NG
PULSES
I
T OP OF
FIELD 1
6
SERRATED
PULSES
BOTTOM
OF
FIELD 2
COMPOSITE
VIDEO
COMPSYNC
U310A - 5
HC L K
U430B-9
2XH
U310A-3
COMPOSITE
VIDEO
Theory of Operation-2430 Service