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TDS 684A, TDS 744A, & TDS 784A Service Manual
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Figure 6–16: A11 Processor/Display Removal 6–37. . . . . . . . . . . . . . . . . . .
Figure 6–17: Board Bracket Removal 6–38. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–18: A10 Acquisition Board Removal 6–41. . . . . . . . . . . . . . . . . . .
Figure 6–19: Floppy Disk Removal 6–43. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–20: Rear Chassis Removal 6–45. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–21: A16 Low Voltage Power Supply Removal 6–47. . . . . . . . . . .
Figure 6–22: Display Assembly Removal 6–49. . . . . . . . . . . . . . . . . . . . . . .
Figure 6–23: Display Driver Board Removal 6–50. . . . . . . . . . . . . . . . . . . .
Figure 6–24: Front Subpanel Removal 6–52. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–25: Accessing the Protection Switch 6–58. . . . . . . . . . . . . . . . . . .
Figure 6–26: Primary Troubleshooting Procedure 6–59. . . . . . . . . . . . . . .
Figure 6–27: Module Isolation Troubleshooting Procedure 6–61. . . . . . . .
Figure 6–28: A16 Low Voltage Power Supply Module Isolation
Troubleshooting Procedure 6–62. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–29: Power Supply Voltage Measurement Locations 6–63. . . . . . .
Figure 6–30: Color Display Troubleshooting Procedure 6–64. . . . . . . . . . .
Figure 6–31: Horizontal and Vertical Sync Signals – Color Display 6–65.
Figure 6–32: A Video Signal with White, Black, and
Blanking Levels – Color Display 6–65. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–33: Processor/Acquisition Troubleshooting Procedure 6–66. . . .
Figure 6–34: Processor/Front Panel Troubleshooting Procedure 6–67. . . .
Figure 6–35: Attenuator/Acquisition Troubleshooting Procedure 6–68. . .
Figure 6–36: A11 DRAM Processor/Display Module
(View of Right Side) 6–70. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–37: A11 DRAM Processor/Display Module
(View of Upper Left Corner) 6–71. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–38: A11 DRAM Processor/Display Module
(View of Lower Left Corner) 6–71. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–39: A10 Acquisition Module (View of Lower Right Corner) 6–72
Figure 9–1: Interconnections 9–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 9–2: Block Diagram 9–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–1: External Modules 10–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–2: Outer-Chassis Modules 10–9. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–3: Inner-Chassis Modules 10–10. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–4: Cables, Bottom View 10–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–5: Cables, Top View 10–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–6: Floppy Disk 10–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–7: Accessories 10–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .