Agilent Technologies 35670A Service Manual page 210

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