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Step 3: Power Cable
This step determines whether the power cable is functional.
Make sure that all of the conductors in the power cable have continuity, and that
there are no short circuits.
Does the power cable have continuity and are there no short circuits?
NO
Replace the power cable.
YES
Go to Step 4: Power Supply, Fan, and Tape Drive.
Step 4: Power Supply, Fan, and Tape Drive
This step prepares the 7206 Tape Drive to determine whether the power supply,
fan, or tape drive is the cause of the problem.
1.
Perform the cover removal procedure. Refer to “Removing and Replacing the
Cover” on page 28.
2.
Plug the 7206 Tape Drive power cable into the 7206 Tape Drive and into the
electrical outlet.
3.
Press the power switch to turn off the power.
DANGER
Up to 240 V ac is present at the power module connectors when the main
power cord is connected to a power source. (RSFTD010)
4.
Disconnect the power supply connector (J1) from the drive (refer to Figure 3 on
page 7).
5.
Disconnect the power supply connector (J2) between the power supply and the
cooling fan.
6.
Press the power switch to turn on the power.
Does the power-on light come on and stay on?
NO
Replace the power supply. Refer to “Removing and Replacing the Power
Supply” on page 32.
DANGER
Do not attempt to open the covers of the power supply. Power supplies are
not serviceable and are to be replaced as a unit. (RSFTD217)
YES
Go to Step 5: Cooling Fan.
20
7206 Model 220 Service Guide
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Summary of Contents for 220
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Page 6: ...iv 7206 Model 220 Service Guide ...
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Page 52: ...Assembly 1 Parts Diagram 38 7206 Model 220 Service Guide ...
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Page 57: ...1 2 3 4 5 6 7 8 9 10 11 Figure 16 Types of Receptacles Appendix A Power Cables 43 ...
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Page 68: ... Part Number 35L0857 Printed in U S A SY32 0409 01 35L0857 ...