Tektronix 2235 User Manual

Ad j ustme n t Procedur e-2235 Service
Horizontal
Α T R IGG ER
VA R H O L DO FF

N O RM
M ode

Ρ - ΡAU TO
S L O PE

O U T
LEVEL

M idrange
Α
&
Β ΙΝΤ

VER T M OD E
Α
SO
UR CE

ΙΝΤ
P O WER S UPPL Y A N D C R T DIS PL AY
E qui p ment R eq u i r e d (See Ta b le 4-1) :
L eveled Sine- W ave Generator (Item 2)

Digital V oltmeter (Item 10)
Time- M ar k Generator (Item 3)

DC V oltmeter (item 12)
50- Ω BN C Cable (Item 4)

Screw d river (Item 13)
50- Ω BN C Termination (Item 5)
at the back of this manual for location of test p oints and a djustments .
I N ITIA L CO NTR O L S E TTI N GS

α . Con n ect t h e digital voltmeter low lead to ch assis
ground and connect t he volts lead to t he -8 .6-V s upp ly
V
ertical

( ΤΡ 961) .
P OSITIO
N ( b ot h )

M i d ra nge
VER TICA L M OD E

C H 1
C H 1 V O L TS/DI V 5 m V
b . C
HE CK - V oltmeter r eading is -8 .56 to -8 .64 V . If
C
H 1 V O L TS/DI V V a r iable

CA L dete n t

t
h
e reading is
wit h in t h ese limits, sk i p to p art d .
C
h annel 1 AC-G N D-DC

G ND
c . AD JU ST-T he -8 .6 V A dj pote
n
tiometer
( R
938) fo
r
α
P OSITIO
N

M id r ange

voltmeter reading of -8 .6 V .
H O R IZO N TA L M OD E

Α
Α S E C/DI V

Χ - Υ
S
E C/DI VV aria b le

CA L detent
Χ 10 M agnifier

Off ( k no b i n)

d . C HE C K - V oltage levels of t he remaining p ower su p -
p lies liste d in Tab le 5-2 are wit h in t he specifie d limits .
PR OC ED URE ST EPS
1 .
C
h
ec k /A d ju st P owe r S upp ly DC L evels ( R
938)
ΝΟΤΕ
See

AD JU ST MEN T L OCATIO NS 1
P
owe
r
S u pply
-8 .6 V
+5 .2 V
+8
.6 V
+30 V
+100 V
Ta b le 5-2
P ower S u pp ly L imits
Test
P oi n t
ΤΡ 961
W968
W 960
W956
W 954
R ea d i ng
( V olts)
-8 .56 to -8 .64
+5
.04 to
+5
.36
+8
.43 to
+8
.77
+29
.1 to +30 .9
+97 .0 to +103 .0
R eview the information at the beginning of the Adjust-
ment P rocedure b efore starting this step .

e . Disconnect t he test equipment from t h e i nstrument .

Tektronix 2235 Specifications

General

Brand	Tektronix
Model	2235
Category	Test Equipment
Language	English