Tektronix WFM601, Service Manual

Page: 229 / 304

R from
COMPONENT (2)
VERT READOUT
SELECT
from
LINE RATE
CONTROLLER
(3)
CHROM
FILTER
LINE/FIELD RATE
SWEEP
GENERATORS
G from
COMPONENT (2)
RECON-
STRUC-
TION
FILTER
27
MHz
SWEEP SPEED
from
DACS
(3)
HORIZ READOUT
from
PROCESSOR
(3)
VERT READOUT
from
PROCESSOR
(3)
REF VIDEO
to
LINE RATE CONTROLLER
SYNC SEPARATOR
(3)
SWITCHING
&
EQUALIZATION
HORIZ READOUT
SELECT
from
LINE RATE
CONTROLLER
(3)
PIX CONTRAST
from
DAC
(3)
HORIZ
MAGNIFIER
from
LINE RATE
CONTROLLER
(3)
HORIZ GAIN
from
DAC
(3)
WFM HORIZ POS
from
DAC
(3)
FILTER
SELECT
MUX
HORIZ
SIGNAL
MUX
+X AUDIO
from
REMOTE
(3)
–X AUDIO
from
REMOTE
(3)
EXT HORIZ
from
REMOTE
(3)
LIGHTNING X
from
COMPONENT
(2)
FILTER
SELECTION
from
LINE RATE
CONTROLLER
(3)
from
LINE RATE
CONTROLLER
INPUT & WAVEFORM MONITOR BLOCK DIAGRAM 1
V MAG
from
LINE RATE
CONTROLLER
(3)
HORIZ
AMPLIF
CHROMA GAIN
from
DAC
(3)
VERT GAIN
from
DAC
(3)
V POS
from
DAC
(3)
VERT
AMPLIF
PIX
INTENSITY
BLANKING
LOGIC
READOUT
INTENS
(3)
WAVEFORM
INTENS
(3)
VECTOR
INTENS
(3)
LINE SELECT
STROBE
(3)
OPTION
BLNKNG
(3)
EXTERNAL
BLNKNG
(3)
GBR
INTENS
(2)
HORIZONTAL
SIGNAL SELECTION
from
LINE RATE CONTROLLER
(3)
CH A
from
LINE RATE
CONTROLLER
(3)
DESER-
IALIZER
ECL
LINE
DRIVER
ECL
TO
TTL
CON-
VERTER
COPRO-
CESSOR
Y
DELAY
HB
FILTER
HB
FILTER
HB
FILTER
Y
DAC
P
B
DAC
P
R
DAC
RECON-
STRUC-
TION
FILTER
DATA
BUS
to/from
PROCESSOR
(3)
13.5 MHZ
27 MHz
6.75 MHZ
INPUT
MUX
LUM
FILTER
DIFF STEP
FILTER
HORIZ
REF
MUX
INPUT SEL
from
LINE RATE
CONTROLLER
(3)
INT/EXT
from
SERIAL
STATIC
OUTPUTS
(3)
LIGHTNING Y
from
COMPONENT
(2)
LUMINANCE
FLAT
DIFF’D STEP
RETRACE
from
LINE RATE
CONTROLLER
(3)
SQUARE
WAVE
CALIB
CAL
LEVEL
from
DACS
(3)
CAL TIMING
from
LINE RATE
CONTROL-
LER
(3)
CONTROL LINE
SIGNAL LINE
WFM 601
PHASE
LOCKED
LOOP &
CLOCK
REGENERA-
TOR
Y SYNC
13.5 MHZ
ADDRESS
BUS
to/from
PROCESSOR
(3)
SCHEMATIC DIAGRAM NUMBER
(2) OR (3) BLOCK DIAGRAM NUMBER
CH 1
SWITCH
CH 2
SWITCH
RECON-
STRUC-
TION
FILTER
CH 3
SWITCH
B from
COMPONENT (2)
CH 3
CH 2
CH 1
19
13
12
11
8
7
6
5
3
2
13
13
13
1
1
1
1
2
3
5 5
6
6
6
4
13
7
8
8
7
11 11
13
13
13
13
12
12
12