Tektronix 2235 - 15. Chec K Position Range; Adjust 2-MV Pea King Com Pensation; Chec K Trigger Iew Gai N

Ι . M ove t h e ca b le from t he CH 1 O RΧ inp u t connector to

c . Wh ile h ol d ing in t h eTR IG V I EW button, use t he Α
t he C H 2 O RΥ in p ut connecto r . Set t he VER TICA L M OD E

TR IGG ERLEVEL control to ve r tically ce n ter t he d is p lay .
switc h to C H 2 .
d . C HE C K -Dis p lay am p litude is 4 to 6 d ivisio n s w h ile
m . Ad j ust t he generator to p roduce α 5-division display .

h ol d ing in t h e TR IG V I EW button .
η . Set t h e top of t he d isplay to t he center h o r izontal grati-

e . M ove t h e cable from C H 1 O RΧ in p ut connecto r to t he
cu le line u sing t he C h annel 2 P OSITIO N con trol .

C H2 O R Υ in p ut con n
ector
. Set t h
e
VER TICA L M OD E
switc h to C H 2 .
ο . AD JU ST-C h 2 H ig h - F re q Com p (C180) for 2% over-
sh oot (0 .1 division) on t h e displayed sig n al .

f . R ep eat parts ε and d .
ρ . Set t he C H 2 V O L TS/DI V switc h to 5 m V .

g . M ove t h e ca b le from t he C H 2 O R Υ in p ut connector to
t he ΕΧΤ I NPU T conn ecto r . Set t he Α SO UR CE switc h to
EXT .
q . R epeat p arts i t h roug h k for C h a n nel 2 .
13 . A dj ust 2-m V P ea k i ng Com pen sation (C76 an d
C26)
α . Set bot h V O L TS/DI V switc hes to 2 m V .
b . Set t he ge n erator to p ro d uce α 5-divisio n d is p lay .
c . Set t he top of t he d is p lay to t he center h orizontal grati-
cule line using t he C h a nn el 2 P OSITIO N control .
d . AD JU ST-C h 2 2-m V Peak Comp (C76) for 2% over-
shoot of t he displayed signal .
e . M ove t he ca b le from t he C H2 O R Υ inpu t conn ector to

15 . C h ec k P ositio n R an ge
t he C H 1 O R Χ in pu t connector . Set t h e VER TICA L M OD E
switc h to C H 1
.

α . Set :
f . R epeat p arts b t h roug h d for C hann el 1, ad j usting C h 1
2-m V P eak Com p (C26) in part d .
g . Disconnect t he test equ ipment from t h
e
i n
str u me
n
t .
14 . C h ec k T r igger V iew Gai n
α . Set :
h . R ep eat p arts c and d .
j . R
epeat
p
arts c and d .
Ad j ustme n t Pr oce d ur
e-2235
Service
i . Set t he Α ΕΧΤ CO UPL I N G switc h to DC .
k . Set t he Α ΕΧΤ CO UPL I N G switc h to DC
-
10 .
Ι . Set t h e generator to p ro duce α 5- V sig n
al
.
m . R epeat parts c and d .
V O L TS/DI V (b ot h)

50 m V
AC-G N D-DC (bot h)

AC
Α SOUR C E

ΙΝΤ
b . M ove t he ca b le from t he ΕΧΤ I NPU T co n nector to t h e
CH 1 O RΧ in p ut connector .
c . Set t h e ge n erator to produce α 0 .5- V sig n al .
d . Ad j ust t he CH 2 V O L TS/DI VV aria b le co n trol to pro-
V O L TS/DI V (b ot h)

0 .1 V

duce α
4 .4-divisio n
dis p lay . Set t he CH 2 VO LTS/DI V switc h
Α SE C/DI V 0 .2 ms

to
10
mV .
b . Connect α 0 .5- V sta n dard-am p lit ude signal via α 50- Ω

e . C HE CK -T he bottom and top of t h e trace may b e
ca b le to t he CH 1 O RΧ input co nn ector .

p ositioned
above and b elow t h e center h orizontal gratic u le