Agilent Technologies E8257C User Manual

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Troubleshooting
Troubleshooting Assembly–Level Problems
Table 1-10 E8267C, Option 520, Power Supply vs. Assembly Matrix (3 of 5)
Motherboard Test Points:
LED
+ 3.4D
LED
+ 2.6VD
LED
–7 VDC
LED
–6 VDC
LED
–15 VDC –15 VAF
Power Supply P236-A4-6,
C4-6,E4-6
P237-A4-6,B1-3,
C4-6,D1-3
P238-A4-6,
B1-3,E4-6
P239-A4-6,B1-3
P233-A4-6,C4-6,E4-6 P231-C4-6,
E4-6
Sampler P22-3,18 P22-2
Frac N P32-3,18 P32-2
Reference P42-3,18 P42-2
Lowband Output P52-3,18 P52-2
YTO Driver P111-60,61,62,63,
125,126,127,128
P112-57,58,59,
123,124
P112-11,12,13,14,38
P112-19,44
a
a. Originates on YTO driver
P112-4,29
ALC/Scan P122-60,61,62,63,
125,126,127,128
P122-57,58,59,
123,124
P122-3
Mod Gen P132-60,61,62,63,
125,126,127,128
P132-57,58,5,
123,124
P132-3
CPU P222-45,46,47,48,
95,96,97,98
P223-37 P223-17 P223-3
I/Q Multiplexer P151-60,61,62,63,
125,126, 127,128
P151-57,58,59,
123,124
P152-3
Baseband Generator P161-60,61,62,63,
125,126, 127,128
P161-57, 58,59,
123,124
P162-3
Microwave Interface P201-24 P201-30,33,46 P201-11,12
20 GHz Doubler J32-4
20 GHz Mod Filter J31-4
20 GHz I/Q Modulator
J34-4
b
b. Originates on Microwave Interface
40 GHz Doubler J36-4, J33-4
Lowband Coupler/Det J15-10
Rear Panel P241-15,16

Agilent Technologies E8257C Specifications

General

Brand	Agilent Technologies
Model	E8257C
Category	Portable Generator
Language	English