Tektronix DG2030 Service Manual page 8

Table of Contents
iv
Figure 6-10: A12 keyboard removal
Figure 6-11: Front-panel module disassembly
Figure 6-12: Connector module removal
Figure 6-13: Fan and fan frame removal
Figure 6-14: Rear shield cover removal
Figure 6-15: Power supply module removal
Figure 6-16: AUX power board and AC inlet removal
Figure 6-17: Monitor module removal
Figure 6-18: CRT frame removal
Figure 6-19: A6 CPU board and A30 Clock board removal
Figure 6-20: A50 PG&Output board removal
Figure 6-21: A16 Backplane board removal
Figure 6-22: Battery location on the A16 Backplane board
Figure 6-23: Floppy-disk drive module removal
Figure 6-24: A6 CPU Board
Figure 6-25: Primary troubleshooting procedure 1
Figure 6-26: Primary troubleshooting procedure 2
Figure 6-27: Power Supply module troubleshooting procedure
Figure 6-28: AUX Power board
Figure 6-29: Power Supply module
Figure 6-30: A6 CPU Board or front-panel module
troubleshooting procedure
Figure 6-31: Key board
Figure 6-32: Monitor module troubleshooting procedure
Figure 6-33: Monitor module
Figure 6-34: Horizontal and vertical sync signals
Figure 6-35: A video signal with white and black levels
Figure 6-36: A30 Clock board or A50 PG & Output board
troubleshooting procedure
Figure 6-37: Module isolation troubleshooting procedure
Figure 9-1: DG2030 block diagram
Figure 9-2: DG2030 interconnect diagram
Figure 10-1: Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10-2: Main chassis and CRT
Figure 10-3: Main chassis and circuit boards
Figure 10-4: Option 01
Figure 10-5: Front panel assembly
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10-11
10-13
DG2030 Service Manual
6-24
6-25
6-28
6-29
6-31
6-32
6-34
6-36
6-37
6-39
6-41
6-43
6-45
6-46
6-50
6-51
6-52
6-53
6-54
6-54
6-55
6-56
6-57
6-58
6-58
6-59
6-60
6-61
9-3
9-4
10-5
10-7
10-9