Tektronix WFM601, Service Manual

Page: 230 / 304

COMPONENT
DISPLAY
SWITCHING
LIGHTNING X
to
HORIZONTAL SIGNAL
MULTIPLEXER
(1)
LIGHTNING Y
to
VERTICAL MULTIPLEXER
(1)
COMPONENT
/BLANKING
SWITCHING
COLOR DIFFERENCE
TO GBR
TRANSCODER
Y/G
P
B
/B
P
R
/R
LOW PASS
FILTER
LOW PASS
FILTER
BOWTIE
SWITCHING
TRANSITION
INTENSIFIER
GBR INTENSIFIED
to
BLANKING LOGIC
(1)
COMPONENT BLOCK DIAGRAM 2
WFM 601
LTNG
CONTROL LINES
SIGNAL FLOW
Y
P
B
P
R
BLANKING
LEVEL
BLANK
from
COPROCESSOR
(3)
BYPASS
CLAMP PLS
from
COPROCESSOR
(1)
CLAMPED
AMPLIFIERS
Y/BLANK
P
B
/BLANK
P
R
/BLANK
GAMUT
LIMIT
COMPARATOR
+ & – LIMITS
GAMUT OFF
from
COPROCESSOR
(1)
SWITCH
CONTOL
BUFFERS
SERIAL BUS
from
PROCESSOR
(3)
PARALLEL BUS
from
COPROCESSOR
(3)
GAMUT INH
BOWTIE
GAMUT ERR
to
COPROCESSOR
(1)
CLAMP PLS
from
COPROCESSOR
(1)
from
RECONSTRUCTION
FILTERS
(1)
BYPASS
SWITCHING
GBR TO DIAMOND
TRANSCODER
G B
Y P
B
P
R
R
Y
P
B
P
R
SCHEMATIC DIAGRAM NUMBER
(1) OR (3) BLOCK DIAGRAM NUMBER
G
B
R
R G B
to
CHANNEL
SWITCHES
(1)
DATA
BUFFER
BD8-15
from
mPROCESSOR
10
9
8
DIGITAL
TO
ANALOG
CONVERTER
(DAC)
10
10
8
8
8
8
1
9
9
9
9
9
9
9
Z Bright
from
COPROCESSOR
(1)
+
–
+
–