Agilent Technologies E8267C

1-18
Troubleshooting
Troubleshooting Assembly–Level Problems
Table 1-6 Power Supply vs. Assembly Matrix (2 of 3)
Motherboard test points: +5.2 Digital +3.4 Digital +2.6 Vdc -7 Vdc -6 Vdc
A1 Keyboard
A2 Display P12-1
A2DS1 Backlight P12-1
A3 Power Supply P231-21, 22,
25, 61, 62, 65,
P231-28, 29, 32, 35,
36, 68, 69, 72, 75, 76
P231-9, 10, 49,
50
A5 Sampler P22-3, 18
A6 Frac-N P32-3, 18
A7 Reference P42-3, 18
A8 Output P52-3, 18
A9 YIG Driver P111-64, 65,
129, 130
P111-60, 61, 62, 63,
125, 126, 127, 128
P112-57, 58, 59,
123, 124
P112-11, 12,
13, 14, 38
P112-19, 44
A10 ALC P122-64, 65,
129, 130
P122, 60, 61, 62, 63,
125, 126, 127, 128
P122-57, 58, 59,
123, 124
A11 Mod Gen P132-64, 65,
129, 130
P132-60, 61, 62, 63,
125, 126, 127, 128
P132-57, 58, 59,
123, 124
A18 CPU P222-49, 50, 99,
100
P222-45, 46, 47, 48,
95, 96, 97, 98
P223-37 P223-17
A21 Rear Panel
Microwave Interface P201-23 P201-24 P201-30, 33, 46
Microcircuit test points for:
AT1 J13-2
A23 Lowband Coupler/Detector
A27 40 GHz Doubler
A29 20 GHz Doubler
A30 Mod Filter