Tektronix 491 - Page 170

FIG. 1 FRONT (cont)
Fig. &
Q
Index Tektronix
Serial/Model No.
t
No.
Part No. Eff
Description
Disc
Y
12345
1-22 366-0215-02
KNOB. charcoal lever—TRIGGER [SOURCEI
-23 260-0665-00
-24 ;2~-&;3:W-
-25
366-0393-00
366-0494-00
. . . . . .
213-0153-00
-26 366-0393-00
366-0494-00
----- -
213-0153-00
-27 366-0413-00
366-0495-00
. . . .
;1 i-ol 53-00
-28 366-0393-00
366-0494-00
----- .
213-0153-00
-29 366-0407-00
366-0493-00
;1 i-ii i3:m-
-30
366-0398-00
366-1001-00
. .
;1 i-ii i3-oo
-31 366-0215-02
-32 260-0820-00
. . . . . .
-33 220-0413-00
BO101 00
B1 40000
BO101 00
B1 40000
BO101 00
B1 40000
BO101 00
B1 40000
8010100
B1 40000
BO101 00
B1 40000
-34 260-0643-00
-35 ;1 O-ioio(i
-36 210-0562-00
-37 331-0168-00 BO101 00
331-0168-01 8020000
-38 366-0215-02
-39 366-0405-00 BO101 00
366-1033-00 Bl 40000
;1 i-ii &:oi
-40 366-0406-00
----- -
213-0153-00
-41 262-0788-00
-.
;60-07~9-01
----- -
-42 210-0978-00
-43 210-0590-00
B139999
B139999
B1 39999
B1 39999
B139999
B1 39999
BO1 9999
B139999
1
1
2
1
1
i
1
1
.
1
1
1
1-
1
1
.
1
1
1
1-
1
1
1-
1
1
i
1
;
2
1
1
1
1
1
1
1
1
1
1
1
1
SWITCH, lever—TRIGGER (SOURCE) “
mounting hardware: (not included w/switch)
NUT, hex., 4-40 x 0.562 inch long
KNOB, charcoal—GAIN
KNOB, charcoal—GAIN
knob includes:
SCREW, set, 5-40 x 0.125 inch, HSS
KNOB, charcoal—MIXER PEAKING
KNOB, charcoaI—MIXER PEAKING
knob includes: “
SCREW, set, 5-40 x 0.125 inch, HSS
KNOB, charcoal—FINE RF CENTER FREQ
KNOB, charcoal—FINE RF CENTER FREQ
knob includes:
SCREW, set, 5-40 x 0.125 inch, HSS
KNOB, charcoal—PHASE LOCK ([NT REF FREQ)
KNOB, charcoal—PHASE LOCK (INT REF FREQ)
knob includes:
SCREW, set, 5-40 x 0.125 inch, HSS
KNOB, red—VARIABLE CAL
KNOB, red—VARIABLE CAL
knob includes:
SCREW, set, 5-40 x 0.125 inch, HSS
KNOB, charcoaI—TIME/DIV
KNOB, charcoal—TIME/DIV
knob includes:
SCREW, set, 5-40 x 0.125 inch, HSS
KNOB, charcoal, lever—VERTICAL DISPLAY
SWITCH, lever—VERTICAL DISPLAY
mounting hardware: [not included w/switch)
NUT, hex, 4-40 x 0.562 inch long
SWITCH, toggle—VIDEO FILTER
mounting hardware: (not included w/switch)
LOCKWASHER, internal, l/A ID x 0.400 inch OD
NUT, hex., ‘/d-40 x 5/16 inch
DIAL, w/o brake—lF CENTER FREQ
DIAL, w/brake-lF CENTER FREQ
KNOB, charcoal, lever—RF CENTER FREQ
KNOB, charcoal—COUPLED RESOLUTION
KNOB, charcoal—COUPLED RESOLUTION
knob includes:
SCREW, set, 5-40 x 0.125 inch, HSS
KNOB, charcoal—DISPERSION
knob includes:
SCREW, set, 5-40 x 0.125 inch, HSS
SWITCH, wired—COUPLED RESOLUTION-DISPERSION
switch includes:
SWITCH, unwired
mounting hardware: (not included w/switch)
WASHER, flat, 3/~ ID x I/z inch OD
NUT, hex., 3/8-32 x ~lt inch
8-2