HP 3438A - Page 67

HP-IB LOGIC TROUBLESHOOTING
NOTES
Y
= YES OR OK
N - NO OR BAD
SA
= SIGNATURE ANALYZER
SIG. SET
= SA SIGNATURES
FOR PARTICULAR DEVICE.
REFER TO APRON PAGE.
ADDRESS SWITCHES:
IF THE GATE ON THE SIGNA-
TURE ANALYZER FAILS TO
TRIGGER, TROUBLESHOOT
THE DEVICES (THE
IC'S) TO
WHICH START. STOP, AND
CLOCK ARE ATTACHED.
SIGNATURE SETS
(SIGNATURE
ANALYZER DISPLAY INDICATION)
U726
Pin 9 P82C
10 OH72
11
A52H
13 042H
14 15PF
15 F497
16 234F
17
U8P3
U729
Pin 2 OH26
4 C487
6
3U46
8 9C2H
12 55A8
14 9314
16
42A6
18 A4FU
U729
Pin 2
52C9
4 PC18
G 60H9
8 F4C2
12 OA37
14 9314
16
42A6
18 UC50
Pin
9 98117
10 A39U
11 U890
13 06FH
14 3869
15
9FF8
16 C5C5
17 8667
Pin 1
C21A
2 HA07
3 HOAA
4
PO30
5 4442
6
4U2A
7 0772
8 9635
9 1734
10
8P54
26 7A70
U722
Pin 1
COC2
2 9111
3 APUF
4 APUF
5 0000
U715
Pin 2 155C
7 2UAO
10
CH88
12 FHA8
-
Pin
Pin 1 4566
2
1AU9
3 1AU9
4 1AU9
5 0000
Pin 3
5* A026 or
7 838U or
9 981 7 or
11
144For
13 H550 or
15
17
6FF2 or
Pin 5 mav be unstable
U725
Pin 12 CP32
13 6949
14 6966
15
28F5
31 U4F5
32 0000 or U4F5
33 H987
34
U4F5
35 UUPF
36 4652
37 HHCA
U722 U705
pin 1 407~ Pin 12 8CP8
2 6800 15 AU62
3 C2PC 16 736A
4 8PH0
5 0000
U705
Pin
2 8556
5
84H2
6 91U1
9 F9AA
12 8CP8
15 AU62
16 736A
19
4UA1
Pin 2 8556
5
84H2