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Self-Test Troubleshooting Guide (continued)
Failing Self Test Probable Faulty Assembly Adjustment Troubleshooting Test
Source With LO fails and
Source Without LO passes
A6 Digital
Source Without LO
one channel
A1/A2 Input
A5 Analog
Input and ADC, page 4-51
Four channel, page 4-54
Source Without LO
channel 1 and 3 or
channel 2 and 4
A2 Input
Source With LO
one channel
A1/A2 Input
A5 Analog
Input and ADC, page 4-51
Four channel, page 4-54
Source With LO
channel 1 and 3 or
channel 2 and 4
A2 Input
Input Offset
one channel or
channel 1 and 3 or
channel 2 and 4
A1/A2 Input Input dc offset, page 5-10
ADC Gate Array A5 Analog
A6 Digital
ADC gain, offset, and
reference, page 5-10
Source and calibrator,
page 4-45
Source Without LO
all channels
A5 Analog
A6 Digital
Source and calibrator,
page 4-45
Source With LO
all channels
A5 Analog
A6 Digital
Source and calibrator,
page 4-45
Input Offset
all channels
A5 Analog ADC gain, offset, and
reference, page 5-7
Input Distortion
one channel
A1/A2 Input
A5 Analog
Input and ADC, page 4-51
Four channel, page 4-54
Input Distortion
channel 1 and 3 or
channel 2 and 4
A2 Input
Input Distortion
all channels
A5 Analog
A6 Digital
ADC Gain, offset, and
reference, page 5-7
Source and calibrator,
page 4-45
Input Trigger
one or more channels fail,
but at least one channel
passes
A5 Analog
Input Trigger A5 Analog
A6 Digital
Trigger, page 4-62
Troubleshooting the Analyzer Agilent 35670A
To perform self tests
4-34