HP 3320A Operating And Service Manual page 98

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TABLE 1: RANGE SWITCH lOGIC.
(AVAILABLE ON MOTHER 80ARD)
FREOUENCY
R2 R3 " AS R6
SETTING
1222 Hz 0 1 1 1 1
'"
1 DOll Hz
OV
3.5 V
35V BV 35V
A....
1.I1 ..HI 1 0 1 1 1
'"
l OtH,
A.....
11.1kHz
1 1
0
1 1
"
1 22.2 kHz
on 100 kHz
A.....
111.00 kHz
1 1 1 0 1
'"
1000 kHz
RamI!
TABLE 2: PRETUNE D/A AND COUNTER INPUTS.
(AVAILABLE ON MOTHER BOARD)
From Panfl USED ON A2 AND A3 USED ONLY ON A2
Frequencv
40
120
Selllny !DOG 800 400 200 100 80 10 8 4 2 I
0111 1 1 0 0 0 1
o
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0
0 1 0 0 0
Any Range
3.5 V 3.5 V
OV OV
1222 0 0 1 1 1 0 1 1 1 0 1 1 1
Any Range
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TAlllE ]: fREQUENCY SWITCH lOGIC.
(ALL PIN NUMBERS ARE LOCATED ON W2).
FREQUENCY
PINS ON W2
SETTING 12
14
"
18
20
I
3
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,
1
, I
11
13
" 11
21
19 23
17.7
01""
'"' 'P'" '"'
gnd
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open
'"' '"'
..
,
..
,
""
,,,,
'P'" 'P'" '"'
kH,
0l'en
888
'P'" 'P'"
'"' open
I
gnd
open
'"'
..
,
'"'
kH,
' P O" open
'P~
' P O" ' P O" ' P O" ' P O"
12.00
'"'
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MH.
TABLE 4
INSTRUCTIONS:
A..lf you art TroublfShODling the JJ211B Dplion 001, you do not
have A21 in the uni!.
B. If you .. rived at this point via palh
Q) .
replaa A23 with I
new board.
C. II
yeu
ifrivtd at this point
vi~ p~th
CD ,
check. the pin
numben in Tallie alter
selling
the appropriate frequencies.
1I1ht unit PfSSI!S lhese lau, rtPlacl
All.
If the unit fails lhese lem,
ffPlK.
A23.