Figure 9-3: A20 Main Board Block Diagram - Sony Tektronix WFM 1125 Service Manual

Diagrams
LINE SELECT
J100 and
J110
(U150,U170,
U186,U188)
ADDRESS
GENERATOR
(U530,U565,U570,U575,
U585,U555,U550)

Figure 9-3: A20 Main board block diagram

9-4
(U100)
FIFO
DOUBLER
(U155,U175)
Y RAM
(U410)
X RAM
(U430)
(U425)
VRAM
OFFSET
(U250)
TRANSCODER
(U200)
CONTROLLER (U350)
HISTOGRAM
ADDER
(U600)
WFM 1125 Option 0A/0B/0C/0D Service Manual
INTERPOLATE
(U260,U270,U280)
VARIABLE
PERSISTENCE
(U500,U510,U520)
INTERNAL VGA
(U650)
EXTERNAL VGA
(U700)
J390
J450