Troubleshooting
Troubleshooting Assembly Level Problems
1-18
Table 1-13 Power Supplies vs. Assembly Matrix (1 of 3)
Motherboard
test points for:
+32 Vdc +15 Vdc +10 Vdc +8 Vdc
+9 Vdc +5.2 Vdc
A1 Keyboard P13-2
A2 Display P11-44
A2DS1 Backlight
A3 Power Supply P231-1,4 P231-3,4,43,44
P231-6,7,46,47
P231-15,18,19,55,56,
58,59
A5 Sampler P22-7 P22-6,21 P22-20,5 P22-14,29
A6 Frac-N P32-7 P32-6,21 P32-20,5 P32-14,29
A7 Reference P42-7 P42-6,21 P42-20,5 P42-14,29
A8 Output P52-7 P52-6,21 P52-20,5 P52-14,29
A9 YIG Driver P112-6 P112-5,30
P112-15,16,40
P112-17,18,42 P112-17,18,42
A10 ALC P122-4 P122-28
A11 Mod Gen P132-4 P132-28
A18 CPU P223-4 P223-23 P223-39 P223-40 P223-9 P223-9
A21 Rear Panel P241-17,18 P241-17,18 P241-11,12
Microwave Interface P201-1 P201-2,3,4 P201-5,6,7,8,9,10 P201-29 P201-13,14,15,16,17,
18
Microcircuit
test points for:
AT1 J13-1
A23 Low Band
Coupler/Detector
J15-8 J115-12
A27 40 GHz Doubler J36-5, J33-5
J36-19 J33-19
J36-21
J33-21
J36-7,9
A29 20 GHz Doubler J32-5 J32-19 J32-21 J32-7,9
A30 Mod Filter J31-5 J31-19 J31-21 J31-7,9
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