Figure 8-1 A4 And A5 Test Connectors; Table 8-1 Automatic Fault Isolation References; Troubleshooting Using The Tam - HP 8560E Service Manual

IF Section

Troubleshooting Using the TAM

Troubleshooting Using the TAM
When using Automatic Fault Isolation, the TAM indicates suspected
circuits that need to be manually checked. Use
locate the manual procedure.
connectors associated with each Manual Probe Troubleshooting test.
Figure 8-1 on page 408
connectors.
through the IF Section.
Figure 8-1 A4 and A5 Test Connectors
Table 8-1 Automatic Fault Isolation References
Check Cal Oscillator on A4 Assembly
Check Input Switch on A5 IF Assembly
Check Linear Amplifiers on A4
Assembly
Check Log Expand on A3 Interface
Assembly
Check Step Gains on A5 IF Assembly
Check Video Offsets on A4 Assembly
Check VIDEO OUT on A4 Assembly
408
illustrates the location of A4 and A5 test
Figure 8-2 on page 412
Suspected Circuit Indicated by
Automatic Fault Isolation
Table 8-1 on page 408
Table 8-2 on page 410
illustrates the levels and paths
Manual Procedure to Perform
Troubleshooting the Cal Osc with the TAM
Troubleshooting A5 with the TAM
Linear Amplifiers
Refer to "Log Expand" in this chapter
Step Gains
Video Offset (steps 1 through 4)
Video Output
to
lists assembly test
Chapter 8