HP 3320A Operating And Service Manual page 95

Frequency
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UIU 1; "If STATES ON XAZ§A AND XAZSB AFTER INSERTING DIAGNOSTIC CARD 11I0. 1.
1 HIGH VOL TAGE . LIGHT ON
o
lOW VOLTAGE· LIGHT Off
TABLE 2; PIN STATES ON XA2SA AND XA2SB AFTER INSERTING DIAGNOSTIC CARD NO.2.
I
HIGH VOL TAGE LIGHT ON
o
LOW VOLTAGE . LIGHT OFF
lOGIC DEFINITIONS (For Tilblts 3 thru
M
EXAMPLE
TABLE
5:
PIN STATES ON Xli AFTER INSERTING DIAGNOSTIC CARD NO. \.
1
z
lighl ON
[high
VIlltilgl'l
o
~
lighl OFF (lowVIlltagr'
b • Burs! 01 pulses (light blinking r.pidlyl
Cod. 1-0 1
I)
-I· MUM lhat before U1rd IS in5lrl.d loglt probe
light IsDN.
21
.0-
Means ttyt $Omtllmt during Ihe time thl Card
Ruder
IS running the light gots OFF.
31
TIM light comes back ON. This
I'niIV
occur
belOl'I
or illter Iht Card Rtilder $lops runnIng
SHOULD
THI~
TEST FAil
REPLACE All:.
lOGIC TROUBLESHOOTING PROCEDURE
AJ
Con~t
logit probt 10 toMetlor pin
dtsIg~ted
in loglt Troubll5hoo1lng Tilbl. fT.tllts 3 thru
51
being used.
BI
Using
the logic DeliMtnM li5trd ilbo'tt. note thl
initial logit S1i1tl inditilled by tht logIC probe
This
st.te should coHtspond wllh the Irr5t dlg.1 of
IItt 3-digit codt 10
be
checked
- - -
Cl \vtJilt observing the legit probe IndtUlllDn. In5lrl
thl ilpprOPflille teu card
In
tht Card Ruder
OJ Whilth. Card Reader
is
running, the
Iogit
probe
Indit.iluon should cOlTtspond with thl sewnd
digll of the code btlngthec:ked.
- -
El .... ' hen the Card Ruder 11M 5l0Pped running. th.
loglt probt Indiution should corne pond Wllh the
Ihird digll of the code
~ng
thttked.
F)
If
the logiC probe mdlCillton iSI!lCorrttt lor ilny or
~I
digits 01
iI g~
coM replate the boiIrd
tndlQlld in the Logic
Troubl~o[ing
T.ble.
TABlE 6. ALL PINS ARE ON XA37.
Connett 1000t probt 10 XA37 pin
9
Insert OiilljnoSIlt Cilld No
6
ilnd note the number 0111rnt1
1M probe hghl bhnks ilfIer lhe
tilfd IS
11l5tl'1ed_ RepNI thIS 5IquttlU WIth the logic
~robe
connettrd to eilth of Ihr other
ptn~
hSled
on
the lable In
tilCh tiISt.
tilt light should
bf
ON
In;llillly
~d
blink Ihrn times ilfler the card
is
InSffitl! Ttrr only IllttPllOnS are pin
\0 "tIhich
should blink rapIdly dUling Ihr te51 and pin
11
WhKh IS
~""'ays
10...· whtn the
wd
ruder
JII)WeI'
SMIth IsON
PINS TO BE CHECKED AS INDICATED ABOVE
3
5
6
7
B
9
10
11
TAnE];
"III
nATES ON XAJ1IEFORE. DURING AND AFTER INSERTING DIAGNOSTIC CARD NO.4.
SHOULD THIS TEST ·FAIL
REPLACE A37.
TABLE 4: PIN STATES ON Xli BEFORE. DURING AiiO AFTER INSERTING DIAGNOSTIC CARD NO.3.
SHOULD THIS TEST FAIL
REPLACE A38
TABLE 7: PIN STATES ON XA25 AFTER INSERTING DIAGNOSTIC CARD NO. s.
TABLE 8: PIN STATES ON XA38 AFTER
INSERTING DIAGNOSTIC CARD NO.1.

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