HP 3562A Service Manual page 468

S E RV I C E
Component
U304
U305
5. To start s ignatu re analys i s test #2 , perform the fol lowing steps:
a. Press the l i n e switch off.
b. Set A1 J3 to test position.
c . Press the l ine switc h on.
d. Press the HP 3562A keys as fol l ows:
SPCl
FCTN
OS S ignature Analysis Test
the burst state mach ine [U1 02) and the burst control circuit's
counters [U305).
8-1 8
1 -6
Table A OS Signature Analysis Test
Pin Signature
1 H 1 66
2 F1 1 P
5 7557
6 5 FF3
8 47 H H
1 2 O U H 3
1 3 465 U
1 6 H PC5
1 7 UAOO
1 9 1 078
2 UAOO
4
465 U
5 47 H H
9 A75U
F2 H P
1 0
1 1 5 FF3
1 3 A392
81 1 H
1 4
1 5 F6P2
1 6 81 1 H
1 7 7 7 P7
1 8 304P
S E RV I C
T E ST
NOTf
#2
disables the feedback loop between
#1
cont.
Pin
Component
U306 6
1 5
U307
1 6
U308 4
7
1 2
U407 1
6
7
1 2
U409
1 3
1 4
1 5
1 6
1 7
1 8
1 9
LOOP
ON
T E ST
SOURCE
MO D E L 3562A
Signature
H1 66
465U
47H H
UAOO
465U
H1 66
H1 66
47H H
47H H
H1 66
FC55
H1 66
95C3
FAH9
PFH9
H9C3
0000
S O U RC E
MA I N