IBM 342 7208 Service Manual Download Page 50

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3.5 Step 3

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, then go to Step 1.

YES Go to Step 4.

7208 Tape Drive Service Guide

Step 3

¦ Copyright IBM Corp. 1998

3.5 - 1

Summary of Contents for 342 7208

Page 1: ...COVER Book Cover 7208 20GB External 8mm Tape Drive Service Guide Model 342 Document Number SA37 0381 00 Part Number 59H3813 7208 Tape Drive Service Guide Book Cover Copyright IBM Corp 1998 COVER 1...

Page 2: ...ices Note Before using this information and the product it supports be sure to read the general information under Notices in topic FRONT_1 7208 Tape Drive Service Guide Notices Copyright IBM Corp 1998...

Page 3: ...ing your locality Publications are not stocked at the address given below A reader s comment form is provided at the back of this publication If the form has been removed address your comments about t...

Page 4: ...e Protect Switch 2 6 Ordering Tape Cartridges 3 0 Chapter 3 Maintenance Analysis Procedures 3 1 Purpose of the MAPs 3 2 Flowchart of the MAPs 3 3 Step 1 3 4 Step 2 3 5 Step 3 3 6 Step 4 3 7 Step 5 3 8...

Page 5: ...tion and verification of operation in conjunction with other products except those expressly designated by IBM is the user s responsibility IBM may have patents or pending patent applications covering...

Page 6: ...eference number 72XXDxxx or 72XXCxxx Use the reference number to check the translation in External Devices Safety Information SA26 7003 Examples of danger caution and attention notices follow Subtopic...

Page 7: ...R An electrical outlet that is not correctly wired PICTURE 1 could place hazardous voltage on metal parts of the system or the products that attach to the system It is the customer s responsibility to...

Page 8: ...ting condition The following is a sample caution notice CAUTION Do not attempt to use the handle on the module to lift PICTURE 2 the entire device module and enclosure as a unit First remove the modul...

Page 9: ...following is a sample attention notice Attention Do not operate the 7208 Tape Drive in a poor air quality environment If your environment contains an excessive amount of particulates contact your serv...

Page 10: ...of disposal This unit contains recyclable materials The materials should be recycled where facilities are available and according to local regulations In some areas IBM may provide a product take back...

Page 11: ...e a device 72XXD203 DANGER An electrical outlet that is not correctly wired could place hazardous voltage on metal parts of the system or the products that attach to the system It is the customer s re...

Page 12: ...tem unit power cable from the electrical outlet 7 Check the 7208 Tape Drive external power cable for damage 8 Check the external SCSI bus signal cable 3 for damage 9 Check the SCSI bus terminator for...

Page 13: ...er cable 1 in Figure 3 connected to the 7208 Tape Drive check to ensure 1 0 ohm or less resistance between the ground lug on the external power cable plug and the metal frame 7208 Tape Drive Service G...

Page 14: ...e 7208 Tape Drive does not pass the test see Chapter 3 Maintenance Analysis Procedures in topic 3 0 for more information If problems persist contact your service representative Note Safety Information...

Page 15: ...ate the equipment This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept...

Page 16: ...poration in the United States or other countries or both AS 400 IBM OS 400 The following terms are trademarks of other companies CSA Canadian Standards Association UL Underwriter s Laboratories 7208 T...

Page 17: ...s required to service the 7208 Tape Drive Topic 4 Removal and Replacement Procedures provides the removal and replacement procedures required to service the 7208 Tape Drive Topic 5 Parts Diagram and P...

Page 18: ...d Operator Guide SA37 0380 provides information about installing and operating the 7208 Tape Drive External Devices Safety Information SA26 7003 provides translations of danger and caution notices 720...

Page 19: ...ating system software The sections that follow describe the operator controls indicator lights and liquid crystal display LCD on the 7208 Tape Drive This topic also shows connector locations lists har...

Page 20: ...of the 7208 Tape Drive Model 342 Figure 4 Front View of the 7208 Tape Drive Model 342 Subtopics 1 1 1 Operator Controls 1 1 2 Indicator Lights 1 1 3 Liquid Crystal Display 7208 Tape Drive Service Gui...

Page 21: ...Operator Controls The 7208 Tape Drive has the following operator controls Subtopics 1 1 1 1 Power Switch 1 1 1 2 Unload Button 7208 Tape Drive Service Guide Operator Controls Copyright IBM Corp 1998 1...

Page 22: ...e power to be turned on or off When the 7208 Tape Drive is on the power on light 2 is on Note The PICTURE 9 symbol beside the power switch is an International Organization for Standardization ISO symb...

Page 23: ...pe cartridge to be ejected The unload button operates only when the 7208 Tape Drive power is on To remove a tape cartridge press and hold the unload button for about one second 7208 Tape Drive Service...

Page 24: ...ator Lights The 7208 Tape Drive Model 342 has the following indicator lights Subtopics 1 1 2 1 Power On Light 1 1 2 2 Status Lights 7208 Tape Drive Service Guide Indicator Lights Copyright IBM Corp 19...

Page 25: ...1 1 2 1 Power On Light When the 7208 Tape Drive is turned on the power on light 2 comes on and stays on 7208 Tape Drive Service Guide Power On Light Copyright IBM Corp 1998 1 1 2 1 1...

Page 26: ...c 1 6 PICTURE 17 A tape cartridge has been Fault Off or On inserted PICTURE 18 Off The 7208 Tape Drive is ready Ready to receive commands from the system whether the Fault PICTURE 19 Flashing or Off l...

Page 27: ...Ready If the Ready light is on a tape cartridge is in the PICTURE 25 Flashing or Off drive If the light is off a Activity cartridge is not in the drive If the Activity light flashes a tape cartridge...

Page 28: ...hen the desired language displays release the unload button Tape Drive Status Messages READY NOTAPE The tape drive is ready to accept a cartridge LOADING The tape drive is loading the tape READY TAPE...

Page 29: ...ning tape in the cartridge is used up DEPLETED and the tape drive will eject it Insert a new cleaning cartridge Error Conditions A hardware error has occurred The LCD displays the last three error cod...

Page 30: ...ocations on the 7208 Tape Drive Model 342 1 SCSI address switch 3 Fan 2 SCSI bus cable connectors 4 Power cable connector Figure 7 Rear View of the 7208 Tape Drive Model 342 7208 Tape Drive Service Gu...

Page 31: ...connector locations on the drive 1 Internal SCSI bus connector 3 Internal SCSI address connector 2 Power supply connector Figure 8 Connector Locations on the Drive 7208 Tape Drive Service Guide Rear V...

Page 32: ...of the 7208 Tape Drive Model 342 1 Drive 4 Cooling fan 2 SCSI address cable 5 Power supply 3 SCSI bus connectors Figure 9 Internal View of the 7208 Tape Drive Model 342 7208 Tape Drive Service Guide...

Page 33: ...tor 0 4 to 0 6 Other Specifications Altitude 2135 m 7000 ft Recommended Environment Environmental Factor Operating Non operating 16 to 32 C 1 to 60 C Temperature 60 to 90 F 34 to 140 F Relative Humidi...

Page 34: ...ing on the Fault status light To clean the tape drive use only the IBM 8mm Cleaning Cartridge part number 59H2898 For uninterrupted operation have one or more spare cleaning cartridges available Atten...

Page 35: ...for approximately two minutes the Fault status light comes on and the message CLEANING displays 4 Unloads and ejects the cleaning tape when the cleaning operation is complete 5 Indicates a successful...

Page 36: ...1 Types of 8mm Cartridges 2 2 Guidelines for Using Tape Cartridges 2 3 Storage and Shipping Environments 2 4 Operating in Harsh Environments 2 5 Setting the Write Protect Switch 2 6 Ordering Tape Car...

Page 37: ...pe cartridge and place the label in location 1 shown in Figure 12 Place the large label on the cartridge container Figure 12 Placement of Label on an 8mm Data Cartridge Test Cartridge Use the speciall...

Page 38: ...eplace a defective tape Whenever the CLEANING message displays For more information see Cleaning the Tape Drive in topic 1 6 Do not write to previously written software distribution tapes Often these...

Page 39: ...vironment or to temperature changes of 11 C 20 F or more The 8mm data cartridge can be stored and shipped in a wide variety of environments Figure 13 provides a description of these environments Figur...

Page 40: ...hat any save or restore operation is the only active operation being performed Do not use as an archival tape any tape that has been used outside of the ranges specified in Figure 13 in topic 2 3 for...

Page 41: ...e determines when you can write to the tape When the switch is set to SAVE 1 data cannot be written to or read from the tape When the switch is set to REC Record 2 data can be written to and read from...

Page 42: ...Figure 14 Setting the Write Protect Switch 7208 Tape Drive Service Guide Setting the Write Protect Switch Copyright IBM Corp 1998 2 5 2...

Page 43: ...n other locations contact your local provider of IBM storage products Figure 15 Tape Cartridges for the 7208 Tape Drive Model 342 IBM Part Number Type of Cartridge Length 8mm Data Cartridge 22 5 m 59H...

Page 44: ...XD201 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 72XXD004 Subtopics 3...

Page 45: ...ld replaceable unit FRU such as the 7208 Tape Drive cover drive power supply or cooling fan For instructions about removing or replacing a FRU refer to Chapter 4 Removal and Replacement Procedures in...

Page 46: ...3 2 Flowchart of the MAPs 7208 Tape Drive Service Guide Flowchart of the MAPs Copyright IBM Corp 1998 3 2 1...

Page 47: ...Figure 16 Flowchart of the Maintenance Analysis Procedures MAPs 7208 Tape Drive Service Guide Flowchart of the MAPs Copyright IBM Corp 1998 3 2 2...

Page 48: ...s on by checking that The power on light is on There is airflow from the fan at the rear of the unit Is the power on light on and is there airflow from the fan NO While watching for the power on light...

Page 49: ...lug the 7208 Tape Drive power cable from the electrical outlet and from the 7208 Tape Drive 3 Measure the voltage at the electrical outlet Is the voltage from the electrical outlet correct NO Contact...

Page 50: ...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 then go to St...

Page 51: ...Refer to Removing and Replacing the Cover in topic 4 2 4 Disconnect the power supply connector J1 from the drive 5 Disconnect the power supply connector J2 between the power supply and the cooling fan...

Page 52: ...pply connector J2 to the cooling fan 3 Press the power switch to turn on the power Does the power on light come on and stay on and is there airflow from the fan NO Replace the cooling fan then return...

Page 53: ...wer supply connector J2 to the drive 3 Press the power switch to turn on the power Does the power on light come on and stay on and is there airflow from the fan NO Replace the drive then return to Ste...

Page 54: ...SI address set correctly NO Set the SCSI address to 0 then go to Step 12 Refer to the instructions for setting the SCSI address in the 7208 20GB External 8mm Tape Drive Model 342 Setup and Operator Gu...

Page 55: ...nually Removing a Tape Cartridge in topic 4 6 2 With the power turned on to the 7208 Tape Drive insert a blank IBM data cartridge part number 59H2678 or 59H2671 3 Check that after approximately 20 sec...

Page 56: ...following The three status lights come on for approximately 10 seconds then go out The LCD displays the message READY NOTAPE or READY TAPE Did the three status lights come on and go out and did the m...

Page 57: ...owing The 12V signal falls between a minimum of 11 5 volts and a maximum of 12 6 volts The 5V signal falls between a minimum of 4 8 volts and a maximum of 5 25 volts Figure 17 Power Supply Connector J...

Page 58: ...nd that the wires are routed away from the cooling fan 6 Perform the cover replacement procedure Refer to Removing and Replacing the Cover in topic 4 2 7 Plug the power cable into the electrical outle...

Page 59: ...perly connected to both the AS 400 and to the 7208 Tape Drive Is the SCSI bus cable properly connected to the AS 400 and to the 7208 Tape Drive NO Plug the SCSI bus cable into both the AS 400 and the...

Page 60: ...connected to the last device on the SCSI bus Is the terminator properly connected to the last device on the SCSI bus NO Ensure that the terminator is properly connected to the last device on the SCSI...

Page 61: ...ration description field type tap and press Enter Does the 7208 Tape Drive that you are configuring appear under the Description column and can it be powered off and on successfully Note To determine...

Page 62: ...uide Controller number 1 is identified as SI01 controller 2 is SI02 and so on 7 At the Select IOP Debug Function screen type 4 IPL I O processor and press Enter twice The AS 400 performs an initial pr...

Page 63: ...e asked whether you want to perform a short or long test The short test takes approximately 3 minutes the long test takes approximately 30 minutes Does the tape verification test complete successfully...

Page 64: ...to or from the system ensure that the power cords for those devices are unplugged before the signal cables are connected or disconnected If possible disconnect all power cords from the existing syste...

Page 65: ...s Do not remove the drive from the antistatic bag until you are ready to install it With the drive still in its antistatic bag touch it to the metal frame of an electrically grounded surface Hold the...

Page 66: ...to the 7208 Tape Drive 4 Unplug the 7208 Tape Drive power cable from the electrical outlet 5 Disconnect the power cable from the 7208 Tape Drive 6 Disconnect the SCSI bus signal cable from the 7208 Ta...

Page 67: ...Figure 19 Removing and Replacing the Cover 7208 Tape Drive Service Guide Removing and Replacing the Cover Copyright IBM Corp 1998 4 2 2...

Page 68: ...e chassis 3 Support the drive while returning the 7208 Tape Drive to its original position 4 Disconnect the power supply connector J1 3 from the drive 5 Disconnect the internal SCSI bus cable 4 from t...

Page 69: ...do not interfere with the cooling fan blades or the replacement of the cover After installing the cover align the drive with the front of the cover then tighten the four screws 2 in Figure 20 that sec...

Page 70: ...ort the power supply while returning the 7208 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 p...

Page 71: ...insert the power switch push button 6 into the front panel and press until it locks in place Note If the power switch does not work properly loosen the power supply mounting screw 2 slide the power s...

Page 72: ...3 Remove the two screws lockwashers and nuts 2 that secure the cooling fan to the rear of the 7208 Tape Drive 4 Lift the cooling fan out of the 7208 Tape Drive To replace the cooling fan reverse the...

Page 73: ...e Torx screwdriver that is supplied with the replacement drive remove the three T 6 screws that secure the top cover of the drive one on the rear and two sides of the drive See Figure 23 Figure 23 Rem...

Page 74: ...moving Figure 24 Moving the Trolleys To move the supply reel motor a On the bottom of the drive locate the hole marked UNLOAD 1 in Figure 25 and cut the seal above the hole b Insert a non metallic pr...

Page 75: ...ad the tape cartridge by doing the following a At the left front of the drive insert a 2 5 mm L Hex wrench into the hole marked UNLOAD 1 in Figure 26 b Turn the wrench in the direction marked on the d...

Page 76: ...he drive refer to Removing and Replacing the Drive in topic 4 3 Note Service personnel should record on the QSAR the error message that displayed on the LCD and the fact that the tape cartridge had to...

Page 77: ...This topic provides the parts diagram and parts list required to service the 7208 Tape Drive Model 342 Subtopics 5 1 How To Use This Parts List 7208 Tape Drive Service Guide Chapter 5 Parts Diagram an...

Page 78: ...t referenced in the illustration R Restricted in the Units column indicates that the part has a restricted availability Indenture The indenture is marked by a series of dots located before the parts d...

Page 79: ...ext Higher Asm see Assembly 1 2 1 5373637 1 Seal Top 2 5356429 2 Clip Retaining 3 1847630 1 Finger Stock Asm 4 1847602 NR Channel Finger Stock 5 5373639 AR Seal Bottom 6 5356429 2 Clip Retaining 7 NP...

Page 80: ...5 1 2 Assembly 1 Parts Diagram 7208 Tape Drive Service Guide Assembly 1 Parts Diagram Copyright IBM Corp 1998 5 1 2 1...

Page 81: ...772 1 Cover includes feet 15 1622673 2 Screw bezel 16 74G8497 1 Push button power supply 17 59H3769 1 Logo 18 74G8294 1 Label SCSI differential 19 71F0734 1 EMI gasket 00 59H2678 1 Data cartridge 170...

Page 82: ...ting organization for the specific countries where they are used For units set at 230 V outside of U S Use a Cable Set consisting of a minimum 18 AWG cable and grounding type attachment plug rated 15...

Page 83: ...stan South 6 Africa Africa Sri Lanka 14F0033 United Bahrain Bermuda Brunei Channel 7 Kingdom Islands Cyprus Ghana Hong Kong India Iraq Ireland Jordan Kenya Kuwait Malawi Malaysia Nigeria Oman People s...

Page 84: ...Figure 28 Types of Receptacles 7208 Tape Drive Service Guide Appendix A Power Cables Copyright IBM Corp 1998 A 0 3...

Page 85: ...and Error Recovery Procedure ERP Numbers ERP FSC Description Number Cause O 50 02 Invalid position for WRITE 2 S 50 D 5 03 Tape is write protected for WRITE 5 O 90 T 5 04 LEOT encountered on current...

Page 86: ...OCATE 10 I 34 PEOT encountered on SPACE LOCATE 8 6 T 100 35 PBOT encountered on SPACE LOCATE 2 I D 20 36 Format error during SPACE LOCATE 8 6 T 80 Uncorrectable block during a D 10 37 SPACE LOCATE 8 6...

Page 87: ...re hang we are very 12 D 100 confused 8D Software detects a hardware 12 D 100 problem 93 Detect PEOP 10 A 100 94 Write Setmark failure 6 T 100 WRITE failure after retry limit D 30 95 exceeded 8 6 T 70...

Page 88: ...lure 8 6 T 70 D 30 B4 LBOT ATM write failure 8 6 T 70 D 30 B5 Read manager could not read LBOT 8 6 T 70 B6 EOT encountered during buffer 2 I flush C0 Power on reset occurred 3 I C1 Tape may have been...

Page 89: ...ITL nexus 2 S 50 D 50 DA Illegal bits set in ID message 2 S 50 DB Cannot write to tape not AME 10 I DC Rounding has occurred 7 I D 50 DD Not ready head sync tape 2 S 50 D 50 DE Density not supported 2...

Page 90: ...rflow recovered 10 I error D 90 EE Service may be required 12 T 10 FA Serial number invalid or blank 12 D 100 FC Head sync value in EEPROM out of 12 D 100 range FD EEPROM contains meaningless 12 D 100...

Page 91: ...s write protected and a write or erase was attempted Either write enable the tape or insert a write enabled tape Perform the following until the operation can be completed 1 Clean the drive 6 2 Retry...

Page 92: ...zed Applicable to your tasks Please tell us how we can improve this book International Business Machines Corporation Information Development Department 61C 9000 South Rita Road Tucson Arizona 85775 44...

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