Agilent Technologies E5071C Service Manual page 193

Figure 4-15 Flowchart for troubleshooting on DC-BUS Test
DC-BUS TEST
ALL 0V?
NO
ALL xxV?
NO
BAS:GND FAIL?
NO
BAS:TEMP FAIL?
NO
BAS:VM9 FAIL?
NO
BAS:OTHER
FAIL?
NO
SYN:SRC: FAIL?
NO
SYN:LCL: FAIL?
NO
VNR: FAIL?
NO
END
e5071cse2001
Chapter 4
YES YES
No Rec B'd?
NO
YES
Replace
Analog Base B'd
YES
YES
YES
YES
Replace
Analog Base B'd
YES
Replace
SRC B'd
YES
Replace
LCL B'd
YES
Replace
VNR B'd
Troubleshooting Using Diagnostics Test
Sequential Error
Add Receiver B'd
Replace
Analog Base B'd
YES
8< room
temperature < 38
Analog Base B'd
NO
Room tempareture is
out of condition.
Replace
Analog Base B'd
NO
YES
BAS:VM9 FAIL? Rec B'd Trouble
NO
Troubleshooting
Replace
193