With

A1U2O2 out, @nnect

C o n n e c t

- 5 V

t o

+ 5 V b A I A T P A . A p p l y

AIA1TPA

snd rep@t t6t,

full range pGitiw

input on

negative full range input

on

.1 V

through 100 V ranges-

.1 V through 100 V ranges.

Monitor

AITPR

with scoF

 

 

 

fr{999l

on

AITPK. +

 

 

 

{ope,

20 G/cml.

Csßd

Cdrect wavoform foa each

Mvetorm

for

qch

Bnge:

Engei

 

 

Troublesh@t Pohrity

Sbrage logic and Polaritv

Diiplay.

Repla@ .Al U2(Il and p€r. form DC Zero Adiurt rcn$. Pa6graph 5€5.

'￿

- I

I . S€r FUNCTION

tp

OC.

lf . in*rurent

has Rario

or

': r,' .

 

Sample/Hold

option,

q

RATIO

ro

INT

REF

änd

 

 

..r:

 

SAMPLE/IIOLD b OFF'

 

 

 

 

 

 

i ; r i ; "

 

 

 

 

 

 

 

 

 

 

 

 

.' .

 

?. A dc tandard,

a

dual-fre

o*illoiope,

a sdigir

wltmt6,

.

 

änd a dc null hltnitd

aro lequired

for rhe

checki.

 

: .::

 

3. The rire

6twn

on

wffilqBs

i3 @rd

lor

in*rlmnrs

::

deiigned

lor @

Hz line op@tbn-

Fq

50 Hz in*rurunr.,

 

.

 

 

 

 

 

 

 

 

 

 

 

i . s @ t i [ E b y 2 o * .

. ,

 

Disnnect

-5V

from

AlA'ITPA

and

reDla@

A1U2O2

in

scket.

Ch€ck

t

'17

 

r 30 V pow6

V and

npply

rclbgG

to DC

Amglifi6r

circuiti.

 

Set Sample Rate to FAST. t sing dual input sp€, 6mp6.e mveform at all inouti to A2U2 wirh B@t-

s6p Mwform. YVaw-

fords *rolld be 6 in- di€ted in Figure 7-l - Trig' g€r s@pe on AITPK. Ob-

ierve display while performing this td. Problem my cl€r tempora.ily while s@po prde ir @n- neted to 42U2.

Set S6mple Ratö to FAST- Trigg€r spe on AITPK,

+.lope. Check .ll output

of Alt401. Wawform $ould be ei sh@n in F'rlure7-2.

With AlU2O2 out and

AIAlTPA conneded to

-5 V. Check waveforms at gates oJ AlO204. 0205,

aod 0208 lSync to AlTPK)

Q204:

"HÄqfr"

Q2O5: t1 swith-

:irsul-

Ft36msi_4v

- 5 V '

-

See Pder Supply Trouble- Öooting, PaEgraph 5-52.

Apply input volbges below and t@sure voltage at

right sd of A2R6. Voltag€s should be as

*Ewn io right hand @uffi.

BNG.

V11

VOLTAGE

l v

i l v

r l v

t v

t 3 v

r t " 9 v r

1 0 V

i l o V

t 1 0 V

1 0 v

r 2 0 v

r 1 3 v *

'Nodi^al roltage

S€t s6mple R6te to HOLE M@itor AITPI wirh soF YES trigger to AUTO. Conne(

iump6 acro.s AlC20; Adju* A1AlR210 fror one €xtrsrc to the oths Vol6gp should %ry ilowl > t z 2 v .

Troubleihoot dc level

t r ä 6 s l a t o r . , A 1 O 2 O l , a202, amq 0210, @11.

Ser Sämde Rare ro HOLC

wirh sdigir ovM, lw

-Rofwlbg€ at tK pdn on 42. Should be -10\t 00.020 v.

Set Sample RaE to HOLD.

A p p l y + 1 V i n r t ,

M@süre rcltage drop

dos 42R7. Should b€ do rcltaqe drop,

Trcubl€Cr@t

dc

lewl

YES

Trorble$@t

Oäl€

tarclatoc

asiated

with

 

 

ProlEtion ck@ib-

 

inddd

A2U2

GG

 

 

 

 

 

to.c, Se

Figure 7-?O.

 

 

 

R€pla@ Az.wilh ex.tEngs

asfilcly, Seo P&.g6ph 7,14.