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Chapter 3. Maintenance Analysis Procedures

Purpose of the MAPs

Maintenance analysis procedures (MAPs) are used to check the:

Power cable

SCSI address

Drive

Power supply

SCSI bus (signal) cable

Fan

Terminator

Configuration

Drive head

If a problem is detected, the procedure isolates the problem to the failing field
replaceable unit (FRU), such as the 7206 Tape Drive drive, power supply, or
cooling fan. For instructions about removing or replacing a FRU, refer to
“Chapter 4. Removal and Replacement Procedures” on page 27.

Figure 7 on page 18 provides a flowchart to be used as a guide to the MAPs. For
detailed instructions on how to perform each procedure safely and correctly, refer
to the steps in this chapter.

© Copyright IBM Corp. 2000

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Summary of Contents for 220

Page 1: ...7206 Model 220 External 4mm Tape Drive 7206 Model 220 4mm Tape Drive Service Guide SY32 0409 01 ...

Page 2: ......

Page 3: ...7206 Model 220 External 4mm Tape Drive 7206 Model 220 4mm Tape Drive Service Guide SY32 0409 01 ...

Page 4: ... Model 220 of the 7206 4mm Tape Drive and to all subsequent releases and modifications until otherwise indicated in new editions This edition applies only to the specified model of the device Copyright International Business Machines Corporation 2000 All rights reserved US Government Users Restricted Rights Use duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp ...

Page 5: ...Procedures 17 Purpose of the MAPs 17 Flowchart of the MAPs 18 Step 1 Power and Fan 19 Step 2 Electrical Outlet Voltage 19 Step 3 Power Cable 20 Step 4 Power Supply Fan and Tape Drive 20 Step 5 Cooling Fan 21 Step 6 Tape Drive 21 Step 7 SCSI Address Switch 22 Step 8 SCSI Address Cable 22 Step 9 Tape Drive Status Lights 22 Step 10 Power Supply Voltage Level 23 Step 11 Reassembly 24 Step 12 External ...

Page 6: ...iv 7206 Model 220 Service Guide ...

Page 7: ...n your country or send inquiries in writing to IBM World Trade Asia Corporation Licensing 2 31 Roppongi 3 chome Minato ku Tokyo 106 Japan The following paragraph does not apply to the United Kingdom or any other country where such provisions are inconsistent with local law INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMP...

Page 8: ...e suppliers of those products All statements regarding IBM s future direction or intent are subject to change or withdrawal without notice and represent goals and objectives only If you are viewing this information softcopy the photographs and color illustrations may not appear The drawings and specifications contained herein shall not be reproduced in whole or in part without the written permissi...

Page 9: ... supply Power supplies are not serviceable and are to be replaced as a unit RSFTD217 Caution Notices A caution notice calls attention to a situation that is potentially hazardous to people because of some existing condition Use the following caution notices throughout this book Attention Notices An attention notice indicates the possibility of damage to a program device system or data Product Recy...

Page 10: ...tallation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined b...

Page 11: ...cal residential environments to provide reasonable protection against interference with licensed communication devices Properly shielded and grounded cables and connectors IBM part number 75G5958 or its equivalent must be used in order to reduce the potential for causing interference to radio and TV communications and to other electrical or electronic equipment Such cables and connectors are avail...

Page 12: ...ademarks of International Business Machines Corporation in the United States or other countries or both AIX IBM RS 6000 Other company product and service names may be the trademarks or service marks of others x 7206 Model 220 Service Guide ...

Page 13: ...6 Tape Drive Chapter 4 Removal and Replacement Procedures provides the removal and replacement procedures required to service the 7206 Tape Drive Chapter 5 Parts Diagram and Parts List provides a parts diagram and parts list required to service the 7206 Tape Drive Appendix A Power Cables provides power cable information for different countries Appendix B Safety Inspection Procedures provides steps...

Page 14: ...a country other than the United States you can give the form to the local IBM branch office or IBM representative for postage paid mailing v If you prefer to send comments by FAX use either of the following numbers United States and Canada 1 800 937 3430 Other countries 1 507 253 5192 v If you prefer to send comments electronically use one of these e mail addresses Comments on books RCHCLERK us ib...

Page 15: ... 7206 Tape Drive attaches to selected RS 6000 systems that use a low voltage differential single ended LVD SE or SE Wide SCSI 2 interface which meets the Small Computer System Interface 2 SCSI 2 standard X3 131 1994 Rev 10L of the American National Standards Institute ANSI The 7206 Tape Drive v Saves and restores system data files v Archives important records v Installs operating system software u...

Page 16: ...to turn the power on when it is off or off when it is on When the 7206 Tape Drive is on the power on light 4 is on Note The symbol located beside the power switch is an International Organization for Standardization ISO symbol for a push button switch Unload Button The unload button 2 enables the tape cartridge to be ejected The unload button operates only when the 7206 Tape Drive power is on To r...

Page 17: ... unload button for at least 5 seconds If a cartridge is in the drive it automatically ejects without rewinding Indicator Lights The 7206 Tape Drive has the following indicator lights Power On Light When the 7206 Tape Drive is turned on the power on light 4 in Figure 1 on page 2 comes on and stays on Status Lights Three status lights 1 in Figure 1 on page 2 and their ISO symbols appear on the 7206 ...

Page 18: ...ing is required See Cleaning the Tape Drive on page 10 On Off or On Off or Flashing A data cartridge has been inserted v The 7206 Tape Drive is ready to receive commands from the system whether the Fault light is on or off v If the Fault light is on cleaning is required See Cleaning the Tape Drive on page 10 v If the Activity light flashes a tape cartridge is in the drive and tape movement is occu...

Page 19: ...rive needs to be cleaned 2 IBM only supports the use of IBM media 3 The 7206 Tape Drive is designed to operate in normal office environments Dirty environments or other poor environments may damage the tape drive It is the responsibility of the customer to provide the proper operating environment 4 When the tape drive indicates that the drive needs to be cleaned it is the responsibility of the cus...

Page 20: ...he elements on the rear of the 7206 Model 220 Tape Drive 1 SCSI address switch 3 Cooling fan 2 SCSI bus cable connectors 4 Power cable connector Figure 2 Rear View of the 7206 Model 220 Tape Drive 6 7206 Model 220 Service Guide ...

Page 21: ...re 3 shows the inside of the 7206 Model 220 Tape Drive 1 Drive 4 Cooling fan 2 SCSI address switch 5 Power supply 3 SCSI bus cable Figure 3 Internal View of the 7206 Model 220 Tape Drive Chapter 1 Reference Information 7 ...

Page 22: ...w of the Drive Figure 4 shows the connector locations on the drive 1 SCSI address connector 3 Power supply connector 2 SCSI bus connector Figure 4 Connector Locations on the Drive 8 7206 Model 220 Service Guide ...

Page 23: ...lled with APAR IX69950 or higher v 4 3 or higher Specifications Table 2 Specifications for the 7206 Model 220 4mm Tape Drive Physical Specifications Width 250 mm 9 8 in Depth 275 mm 10 8 in Height 55 mm 2 2 in Weight 3 7 kg 8 lb Power Specifications kVA typical 03 120 V ac V ac Input 100 to 125 200 to 240 V dc Output 5 and 12 Frequency 50 to 60 Hz Heat Output 77 Btu hr 23 watts 240 V ac Power Fact...

Page 24: ...artridge Note The IBM cleaning cartridge has 50 white dots on the window side that are designed to be used to log the use of the cartridge Each time the cartridge is used mark one of the dots on the cartridge with a pen or marker When all of the dots have been marked discard the cleaning cartridge 3 Grasp the cleaning cartridge 1 in Figure 5 by the outer edges with the window side up and the write...

Page 25: ...the Fault light remains solid to indicate that the cleaning cartridge is no longer usable If a system error occurs clean the drive and retry the operation If the operation fails replace the data cartridge clean the drive again then retry the operation To determine how many times a cleaning cartridge may be used check the information printed on the cartridge If you attempt to use a depleted cleanin...

Page 26: ...12 7206 Model 220 Service Guide ...

Page 27: ...use of IBM media Types of Tape Cartridges The 7206 Tape Drive is shipped with the following media cartridges Data Cartridge Use the 4mm data cartridge to save or restore programs or data Test Cartridge Use the specially labeled 4mm test cartridge to run the AIX system diagnostics for information about running diagnostics refer to your AIX manuals The test cartridge should not be used to save or re...

Page 28: ...posure to climatic stress Attention Use only the recommended cleaning cartridge to clean the tape drive Use of other than recommended cleaning cartridges can damage your drive and may void the warranty v Printers and copiers can produce paper and toner dust Locate the tape unit away from these items High traffic areas near hallways and doors can also produce excess dust and dirt v All important in...

Page 29: ...used to protect your business data Use the following guidelines for storing your tape cartridges v Temperature and humidity should be kept constant at a level comfortable for you v Tape cartridges should always be stored in their protective cases The storage case helps prevent damage from dust and physical misuse When the tape cartridges are not in use or being stored they should be in their stora...

Page 30: ...ble archiving Attention Do not operate the 7206 Tape Drive in a poor air quality environment If your environment contains an excessive amount of particulates contact your service representative for more information Setting the Write Protect Switch The position of the write protect switch on the 4mm tape cartridge determines when you can write to the tape see Figure 6 v When the switch is set to th...

Page 31: ...dure isolates the problem to the failing field replaceable unit FRU such as the 7206 Tape Drive drive power supply or cooling fan For instructions about removing or replacing a FRU refer to Chapter 4 Removal and Replacement Procedures on page 27 Figure 7 on page 18 provides a flowchart to be used as a guide to the MAPs For detailed instructions on how to perform each procedure safely and correctly...

Page 32: ...Flowchart of the MAPs Figure 7 Flowchart of Maintenance Analysis Procedures MAPs 18 7206 Model 220 Service Guide ...

Page 33: ...witch again Repeat this procedure several times If the power on light fails to come on or there is no airflow from the fan go to Step 2 Electrical Outlet Voltage YES Go to Step 7 SCSI Address Switch Step 2 Electrical Outlet Voltage This step tests the voltage at the electrical outlet 1 Do a controlled system shutdown refer to the instructions in Chapter 2 Setting Up the 7206 Tape Drive in the 7206...

Page 34: ...ape 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...

Page 35: ...g the Cooling Fan on page 34 YES Go to Step 6 Tape Drive Step 6 Tape Drive This step examines the drive as the possible source of the problem 1 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 2 Reconnect the power supply connector J1 to the drive refer to Figure 3 on page 7...

Page 36: ... in the 7206 Model 220 4mm Tape Drive Setup and Operator Guide 2 Perform the cover removal procedure Refer to Removing and Replacing the Cover on page 28 DANGER To prevent a possible electrical shock from touching two surfaces with different electrical grounds use one hand when possible to connect or disconnect signal cables RSFTD004 Is the SCSI address switch plugged securely into the drive NO En...

Page 37: ... power supply connector J1 see Figure 8 check the following v The 12V signal falls between a minimum of 11 5 volts and a maximum of 12 6 volts v The 5V signal falls between a minimum of 4 8 volts and a maximum of 5 25 volts 8 On the power supply connector J2 see Figure 9 check that the 12V signal falls between a minimum of 11 5 volts and a maximum of 12 6 volts Are the voltages good NO Replace the...

Page 38: ...he fan NO Verify that the 7206 Tape Drive was reassembled correctly If the power on light still does not come on and there is no airflow from the fan go to Step 1 Power and Fan YES Go to Step 12 External SCSI Cable Connection Step 12 External SCSI Cable Connection This step ensures that the external SCSI bus cable connection is proper DANGER To prevent a possible electrical shock when installing t...

Page 39: ...he SCSI bus then go to Step 14 Configuration YES Go to Step 14 Configuration Step 14 Configuration This step verifies that the 7206 Tape Drive has been properly configured to the RS 6000 1 Clean the drive See Cleaning the Tape Drive on page 10 2 At the system prompt type cfgmgr to configure the 7206 Tape Drive and make it Available To ensure that 7206 Tape Drive has been correctly configured to th...

Page 40: ...f the diagnostics routines pass NO Replace the FRU isolated by the diagnostics and identified by the service request number Note If the drive is the FRU isolated by the diagnostics check that the J1 connector is properly seated If the drive has recently been replaced because of a similar problem contact your service personnel YES If no problem was identified the problem may be intermitant related ...

Page 41: ...n away from the environment or for 24 hours whichever is less Handling Static Sensitive Devices Attention Tape drives are sensitive to static electricity discharge To prevent damage when handling a tape drive wrap it in an antistatic bag Take the following precautions v Do not remove the drive from its antistatic bag until you are ready to install it v With the drive still in its antistatic bag to...

Page 42: ...ible electrical shock when installing the device ensure that the power cord for that device is unplugged before installing signal cables RSFTD204 4 Unplug the 7206 Tape Drive power cable from the electrical outlet 5 Disconnect the power cable from the 7206 Tape Drive 6 Disconnect the SCSI bus cable from the 7206 Tape Drive 7 Tilt the 7206 Tape Drive on its side and remove the four cover mounting s...

Page 43: ...To replace the cover reverse the removal procedure Figure 10 Removing and Replacing the Cover The 7206 Tape Drive is shown tilted on its side Chapter 4 Removal and Replacement 29 ...

Page 44: ...Disconnect the SCSI bus cable 2 from the drive 4 Disconnect the SCSI address cable 3 from the drive 5 Tilt the 7206 Tape Drive on its side see Figure 11 Support the drive 4 while removing the four screws 5 that secure the drive to the chassis 6 Support the drive while returning the 7206 Tape Drive to its original position 7 Slide the drive out the front of the chassis Figure 11 Removing and Replac...

Page 45: ...tly insert and engage each cable to its proper connector v Arrange the cables so that they do not interfere with the cooling fan blades or the replacement of the cover Note The power supply connector J3 is not used in the 7206 Tape Drive Chapter 4 Removal and Replacement 31 ...

Page 46: ...12 while removing the power supply mounting screw 2 from the bottom 3 Support the power supply while returning the 7206 Tape Drive to its original position 4 Disconnect the power supply connector J1 3 from the drive 5 Disconnect the power supply connector J2 4 between the power supply and the cooling fan 6 Grasp the rear of the power supply and while pressing it toward the front panel lift the rea...

Page 47: ...oes not work properly loosen the power supply mounting screw slide the power supply to the rear of the chassis and retighten the mounting screw v Arrange the cables so that they do not interfere with the cooling fan blades or the replacement of the cover Ensure that they do not obstruct airflow through the fan Note The power supply connector J3 is not used in the 7206 Tape Drive Make sure that the...

Page 48: ... the power supply and the cooling fan 3 Remove the two screws lockwashers and nuts 2 that secure the cooling fan to the rear of the 7206 Tape Drive 4 Lift the cooling fan out of the 7206 Tape Drive To replace the cooling fan reverse the removal procedure Make sure that the cooling fan is oriented so that air blows out of the 7206 Tape Drive Figure 13 Removing and Replacing the Cooling Fan 34 7206 ...

Page 49: ...ive seconds see Emergency Eject Feature on page 3 The following procedure describes how to manually remove a data cartridge from the 7206 Tape Drive If this procedure is performed replace the drive 1 Remove the drive from the 7206 Tape Drive see Removing and Replacing the Drive on page 30 2 Remove the mounting rails by removing the four screws 1 in Figure 14 near the lower edge of the drive two on...

Page 50: ...the drive looking from rear This gives you access to the motor worm wheel as shown in Figure 15 Turn the hexagonal key or small screwdriver counter clockwise to release the cartridge Note This may take more than 1000 turns 6 Reassemble the drive in reverse order Figure 15 Turning the Motor Worm Wheel to Release the Cartridge 36 7206 Model 220 Service Guide ...

Page 51: ...ty Indenture The indenture is marked by a series of dots located before the parts description The indenture indicates the relationship of a part to the next higher assembly For example Indenture Relationship of Parts No dot MAIN ASSEMBLY One dot v Detail parts of a main assembly One dot v Sub assembly of the main assembly Two dots v v Detail part of a one dot sub assembly Two dots v v Sub assembly...

Page 52: ...Assembly 1 Parts Diagram 38 7206 Model 220 Service Guide ...

Page 53: ... x 6mm 13 34L3614 1 Tape drive 4mm 14 59H3847 1 Cover includes feet 15 74G8497 1 Push button power supply 00 52G4291 1 Device to device SCSI cable 7 meter 2 ft 68P to 68P 00 06H6036 1 System to device SCSI cable 1 meter 3 ft 68P to 68P 00 52G9501 1 System to device SCSI cable 1 5 meter 5 ft CC68 to 68P 00 52G4337 1 System to device SCSI cable 1 5 meter 5 ft 00 76H0518 1 Interposer 3 meter 1 ft VHD...

Page 54: ...40 7206 Model 220 Service Guide ...

Page 55: ...r SJT three conductor cable a maximum of 15 feet in length and a tandem blade grounding type attachment plug rated at 15 A 250 V v Appliance couplers complying with International Electrotechnical Commission IEC Standard 320 Sheet C13 Power cables used in other countries consist of v Electrical cables type HD21 v Attachment plugs approved by the appropriate testing organization for the specific cou...

Page 56: ...ft Chicago Chicago U S A 2 13F9940 Australia Argentina Australia New Zealand Uruguay 3 13F9979 France Abu Dhabi Austria Belgium Bulgaria Botswana Egypt Finland France Germany Greece Iceland Indonesia Korea South Lebanon Luxembourg Macau Netherlands Norway Portugal Saudi Arabia Spain Sudan Sweden Turkey Yugoslavia 4 13F9997 Denmark Denmark 5 14F0015 South Africa Bangladesh Burma Pakistan South Afri...

Page 57: ...1 2 3 4 5 6 7 8 9 10 11 Figure 16 Types of Receptacles Appendix A Power Cables 43 ...

Page 58: ...44 7206 Model 220 Service Guide ...

Page 59: ...commend using only data and cleaning cartridges supplied by IBM Data grade tape media is the only type of tape media that should be used for backup and data processing Saving money by using generic media for data purposes will do little to save your business if your data is destroyed and your backup tapes fail because of inferior media Table 5 lists the tape cartridges that you can order for the 7...

Page 60: ...46 7206 Model 220 Service Guide ...

Page 61: ... Figure 17 shows the components to review during the service inspection Perform the following safety checks 1 Do a controlled system shutdown refer to the instructions in Chapter 2 Setting Up the 7206 Tape Drive in the 7206 Model 220 4mm Tape Drive Setup and Operator Guide 2 Turn off the power to all external devices connected to the system unit 3 Turn off the power to the 7206 Tape Drive 1 in Fig...

Page 62: ...nected or disconnected If possible disconnect all power cords from the existing system before you add or remove a device RSFTD203 DANGER To prevent a possible electrical shock from touching two surfaces with different electrical grounds use one hand when possible to connect or disconnect signal cables RSFTD004 8 Check the external SCSI bus signal cable 3 for damage 9 Check the SCSI bus terminator ...

Page 63: ...tween the ground lug on the external power cable plug and the metal frame Note Use an analog meter to measure grounding resistance do not use a digital multimeter Figure 18 AC Grounding Diagram 50 Hz and 60 Hz Figure 19 Safety Inspection Rear View of the 7206 Model 220 4mm Tape Drive Appendix C Safety Inspection Procedures 49 ...

Page 64: ...3 Maintenance Analysis Procedures on page 17 for more information If problems persist contact your service representative Note Safety Information Label Part Number 85F7884 located on top of the power supply under the top cover shows the following symbol 3 8 M 0 0 1 0 This symbol indicates a hazard arising from dangerous voltage inside Do not open 50 7206 Model 220 Service Guide ...

Page 65: ...on in this book is Very Satisfied Satisfied Neutral Dissatisfied Very Dissatisfied Accurate h h h h h Complete h h h h h Easy to find h h h h h Easy to understand h h h h h Well organized h h h h h Applicable to your tasks h h h h h Please tell us how we can improve this book Thank you for your responses May we contact you h Yes h No When you send comments to IBM you grant IBM a nonexclusive right...

Page 66: ...elopment Department 542 3605 Hwy 52 North Rochester Minnesota 55901 7829 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _...

Page 67: ......

Page 68: ... Part Number 35L0857 Printed in U S A SY32 0409 01 35L0857 ...

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