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Table of Contents
THS710A, THS720A, THS730A & THS720P Service Manual
iii
List of Figures
Figure 2–1: Removing and replacing the battery 2–2. . . . . . . . . . . . . . . . .
Figure 2–2: AC adapter attachment 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–3: Typical scope-mode display 2–3. . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–4: Typical meter-mode display 2–4. . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–5: Connector locations 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–1: Module-level block diagram 3–2. . . . . . . . . . . . . . . . . . . . . . .
Figure 5–1: Location of adjustment-lockout jumper 5–4. . . . . . . . . . . . . .
Figure 5–2: Oscilloscope adjustment setups 5–6. . . . . . . . . . . . . . . . . . . . .
Figure 5–3: Meter adjustment setups 5–9. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–4: Relocating the adjustment-lockout jumper 5–11. . . . . . . . . . .
Figure 6–1: Removing the tilt stand 6–8. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–2: Installing the tilt stand 6–9. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–3: Installing a new front-panel label 6–10. . . . . . . . . . . . . . . . . . .
Figure 6–4: Removing the battery door 6–12. . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–5: Assembling a new front cover 6–13. . . . . . . . . . . . . . . . . . . . . .
Figure 6–6: Installing the gasket 6–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–7: Installing the handle 6–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–8: Removing the display module 6–17. . . . . . . . . . . . . . . . . . . . . .
Figure 6–9: Opening the display cable connector 6–18. . . . . . . . . . . . . . . .
Figure 6–10: Routing cables to the inverter board 6–19. . . . . . . . . . . . . . .
Figure 6–11: Lifting the chassis 6–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–12: Foam pad and hole plug locations on the back cover 6–21. .
Figure 6–13: Routing the battery wires 6–22. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–14: Removing the main board and switch flex-circuit
assembly 6–24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–15: Foam pad locations on the chassis 6–25. . . . . . . . . . . . . . . . . .
Figure 6–16: Reassembling the chassis 6–27. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–17: Battery connector location 6–29. . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–18: Bypassing the ON/STBY switch 6–31. . . . . . . . . . . . . . . . . . .
Figure 10–1: Exploded diagram 10–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .