Agilent Technologies PSG Series Service Manual page 33

Troubleshooting
Troubleshooting Assembly Level Problems
Table 1-15 Power Supplies vs. Assembly Matrix (3 of 3)
Motherboard -15 Vdc
test points for:
A1 Keyboard
A2 Display
A2DS1 Backlight
A3 Power Supply P231-12,13,52,53
A5 Sampler P22-2
A6 Frac-N P32-2
A7 Reference P42-2
A8 Output P52-2
A9 YIG Driver P112-4,29
A10 ALC P122-3
A11 Mod Gen P132-3
A18 CPU P223-3
A21 Rear Panel P241-15,16
Microwave Interface P201-11,12
Microcircuit
test points for:
AT1
A23 Low Band J15-10
Coupler/Detector
A27 40 GHz Doubler J36-4, J33-4
A29 20 GHz Doubler J32-4
A30 Mod Filter J31-4
Fan
1-20
-5.2 Vdc +12 Vdc
P22-4-19
P32-4,19
P42-4,19
P52-4,19
P112-1,2,26,27
P122-1-26
P132-1,26
P223-1
P241-9,10
P201-31,32
J32-8 J32-1,3
J31-8 J31-1,3
+15 Vdc stby Fan Voltage
P11-43
P231-80
P223-21
P241-5,6,7,8
P6-2