Service manual

Chapter 2 49
Troubleshooting
Perform Measurement System Verification
1. Chapter Title
2. Troubleshooting
3. Chapter Title
4. Chapter Title
5. Chapter Title
Otherwise, replace the E5043A/C.
Read Portion Check
Description
This check verifies if the read potion of the system. The 10MHz reference signal from the
E5040A is input into the fixture as a test signal. The signal is measured by the E5040A and
the E5038B in order to confirm if the module works.
Figure 2-26 shows the test signal flow in the read portion check.
Table 2-9 Faulty Assembly Isolation
Measurement Results Suspicious Assembly
Write Signal
Waveform Measured
at Connection Board
(Step 1)
Clock Signal
Waveform Measured
at E5037C/D (Step 2)
Data Signal
Waveform Measured
at E5037C/D (Step 3)
Not Good Good Good • E5029K Connection Board
(replace)
• E5029K Connection Pads (clean/
replace)
• Cable Connection between
Connection Board and E5037C/D
(check/replace)
• E5043A/C Head Amplifier
Control Unit (replace)
Not Good Not Good Good E5037C/D Data Generator Module
(Replace)
Not Good Good Not Good E5037C/D Data Generator Module
(Replace)
Good - - (None)