Agilent Technologies 8590L - Page 275

276 Chapter5
Troubleshooting the IF Section
Troubleshooting the A15 Motherboard Assembly
Table 5-7 A15 Motherboard Pin Designations
Mnemonic Instrument Assemblies Card
Cages
a
A7 A8 A9 A11 A12 A13 A14 A16 Slots 1,
2, 3, 4
A15J1
A15J13
A15J7 A15J8 A15J9
A15J10 A15J11 A15J12
A15J2
A15J3,
4, 5, 6
21.4 MHz IF 9 22, 23 1 20 22,
23
b
44
b
+10 V
22
c
29
29
b
+12 V 13, 32 27, 57
+15 V 3, 33 1, 2,
3, 20,
21,
22
c
b
27
b
8, 18
27
b
27
b
8, 38 9, 39
+5 V 19, 49 9, 10,
11,
12,
28,
29,
30,
31
c
b
10, 20 25,
26,
55, 56
26, 56
−15 V 4, 34 4, 5,
6, 23,
24,
25
c
b
6, 16
b
25
b
9, 39 10, 40
−8 VT 23
8
c
ACOM 2, 32 7, 26,
27
1-8,
10,
12,
14,
16,
18,
20
1-21,
24-26,
28,
33- 44
2-5,
7, 9,
11-15,
17, 19
5- 10,
15- 19
1- 21,
24-26,
28,
33- 44
1,3-7,
9-24,
26,
28-30,
32-37,
41-43
2, 4,
6,
32- 37
2, 4, 6,
8, 29,
31-38,
59, 60
ADC_SYNC
30
c
27
ADR0 6
11
c
12
ADR1 36
41
c
42
ADR2 7
12
c
13