HP 9122D Service Manual
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HP 9122D, TROUBLESHOOTING if the drives are removed or replaced, refer to figures 4-4 or 4- 5 for the proper setting of the drive select switch. o o o / F"ACTORY SETTINGS DRIVE 0- 2 DRIVE 1- J o 0 a 0 o 0 o 0 a 0 o 0 elsc ORNE St:L£CT SWITCH o 0 o a a o 0 o 0 o o a o 0 o Figure 4-4. Disc Drive Select Switch(091l4-69 511) . ................. ................• Figure 4- 5. Disc Drive Select Switch (09123-69101). 4-13
HP 9122D, Installa tion ~ledia ~lonitor Through a feature called Tvfedia l\fonitor, the disc drive automatically monitors the cumulative use of each individual disc. When the usage of a disc is approaching a level at which there is a risk of loss of data through normal disc wear, the disc access light on the front panel blinks and a clicking sound is heard. Commands will still be performed by the computer. However, after a command has been performed, the disc drive immediately resumes the warning indication. When the
ICHAPTER I Interface Information I 3 I HP -18 Interface Installation The HP 91220/5 is connected to the computer via the Hewlett-Packard Interface Bus (HP-IB). Refer to Figure 3-1 for a list of the HP-IB interface c~bles used with HP computers. Length Accessory Number 1 metre 1 0833 A 2 metres 10833B 4 metres 10833C 0.
HP 9122D, Assembly Access LEVEL REFERENCE PART DESCRIPTION DESIGNATOR NUMBER 09122-695]4 CONTROLLER PCA .2 Cll .12 0160-3622 C-F .1UF 100V .2 Cl9 0160-4574 C-F 1000PF 10% .2 CIO 0160-4805 C-F 47PF 5% 100V .2 C27 0160-4810 C-F 330PF 5% .2 C17.22,23 0160-4830 C-F 2200PF 10~ .2 C21.31-3:3,43-46 0160-4832 C-F .0IUF 10% .2 C4,5,8,39-42 0160-4835 C-F .IUF 1 O~ 50V .2 C25.26 016()-5098 C-F .22UF 10~ .2 C9, 1 8 , 29 , 30 016()-5349 C-F 200PF 5" .2 C24 0180-0210 C-F 3.3UF 15V .2 Cl 018()-0291 C-F lUF 35V 10~ .2 C2, 3,1
HP 9122D, 91220-7 SERVICE NOTE I Supersedes: None 91220 APPLIES TO: All UnIt~: X OnlY Uni t ~ on Aqreement: PE~ORM: Inmediately: At PM/Normal C.11 : On FaIlure: Informat ion Only:! 91220 Dual Disc Drive i-- ~QANrY: EXTE~D I«)RMAL fOE Serial number: LABOR: X All ~RTS: - X TRAVEL : X Required Repair Parts SE~VICE Return fo r Upd.te: Use .s is: INVENTORY: Return for S.lvage: See Text :! ~ANTY EXTENDED UNTIL: N/A Situation: All 91220's with serial number prefix 2614A and above will be produced with a ne
HP 9122D, InstallathJn lUI.. and <:SA!1fJPf'OY9d for U84t in the United States ot Am&rica and Canada Wh equipment set tor either 100 :')t 120 Vac ~Ition. 2Ul and CSA ar-proved for USE' in the Ur4ted States of America and Canada with equipment set tor eithit' 2GO or 240 Vac, ooenltion. Figu.re 2 - 2. A vaila bIe Power Cords. Selecting the Devic~! Addn~ss Each device in an HP-IB system must be set to a unique device address. The HP 91220/5 contains address switches located on the rear panel for prog
HP 9122D, Interface Information be connected together, cables shorter than two metres must be used between some of the devices to keep the total cable length less than 20 metres. 4. The max:imum number of devices that can be connected together in a one-bus system is 15. There are no restrictions to the way cables may be connected together; however, it is recommended that no more than four piggyback conneGtors be stacked together on one device. The resulting structure could exert enough force on thf~ connector mounting to damage it. 3-2
HP 9122D, Insta lla t ion 2-4 Controls and Indicators -..a-.rTT --1CeI - 9122 AC Power SWit-Ch--7 Disc Access Light for Drive 0 Disc Eje t Button for Drive 0 Disc Eje t Button for Drive 1 SelHest Indicate,r (Viewed through Air I . I Seriol number prefix 2518A and below Disc Ac<::es3 Un, ht Irttake Slel~) . . ':I == I!i = :==== I 9122 Il II It --- V r=:ll i ,/ 2 / / /' Disc Access Light Disc Eje< t Button for Drive 0 for Drive 0 =E:=J=~ 7 AC POW?SWitCh 7 r" Self test Indicato (View·ed through Air Lntake Slots) ISenol num~r p~fix 2614A and
HP 9122D, Contents Cha pter 1 Page Genera) Information 1- 1 Introduction .................... '.' . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . .. 1-1 Technical Specifications .......................................... '" .. . . . . . . . . . . . . . . .. . .. ... . . . . . .. . . . . . .. .. . . . .. 1-1 Power Requirements ..... : . . . .. . . . . . . . .. .. .. .. .. . . . . . . . . . . . . . . . . . . . .
91220 Dual Drive 09122-69501 Controller/Power Supply ~ate Code 2513 and Earlier Seri~' Numbers: NA 9122D-4 SERVICE NOT E Supersedes: NONE SUPERSEDES. APPUES TO: AJI UnitS ~ Only Units on A:;;r~rne~t :l PERFORM: 'mme-d'~t~y • At PM.- Norm~1 Cail ::: On F •• lunr C Inform.tlon Only:: WARRANTY: EXTENOEO NORMAl NONE LABOR
Printing History New editions are complete revisions of the manual. Update packages, which are issued between editions, contain additional and replacement pages to be merged into the manual by the customer. The dates on the title page change only when a new edition or a new update is published. No information is incor-
HP 9122D, TROL'BLESHOOTI'G Adjustments PLL Adjustment The Phase LockL.Jop (PLL) adjustment is performed 1S follows. The PLL adjustment should be performed when the umt e:utnts read/verify errors or fails the PLL test (TEST I·n Use figure 4-1 or -t- 2 for locating test points. 4--14- 1. Power on the unit, and allow the power-on selt-test to finish, 2. After two minutes warm up, attach the frequency counter test leads to tht! veo test-point (TP 1 1). The freque:lcy should be 500K Hz ± 5%. If adju
HP 9122D, TROUBLESHOOTING 'Troubleshooting Procedures This section is divided into Genl!ral information, a troubleshooting flowchart, procedures called out in the flowchart, and inf 0rmation on i!.terpreting error codes obtained as well as use of the 55/30 Exerciser. Fault Isolation Procedures The following procedures will hdp to quickly and accurately det~rmine which field replaceable assembly is defective if a failure occurs. General Information • If a flexible disc is damaged b:r a drive, inspect the HP 9122 to determine which drive is causing damage. The drive he
HP 9122D, 91220-6 SERVICE NOTE Supersedes: 91220 APPLIES TO: All Units: )( Only Units on Aqreem.ent: PERFORM: Inmediately: At PM/Normal Call: 3 1/2 In. Double Sided Floppy Disc Drive WARRANTY: On Failure: EXTENDED Information Only:~ NORMAL NONE LABOR: )( Serial number: PARTS: )( All TRAVEL: )( S£I(VICE Return for Update: Use as is: -Top Head Damage of the Drive Mechanism HP part number 09114-69511. INVENTORY: Return WARRANTY EXTE~D UNTIL: for Salvage:
Notice The information contained in ':his document is subject to change without notice. HEWLETT-PACKARD ~lA](ES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL. I;SCLUDI~G. BliT NOT LI"lITED TO, THE IMPLIED "[ARRA!'iTIES OF ~IERCHANTABILITY A~D lFITNESS FOR A PARTICULAR PURPOSE. HEWLETT-PACKARD shall
HP 9122D, Contents (continued) 5elftest ......................... , ......................................................................... 4-4 Available Tests ........................................................................................ 4-4 Selecting a 5elftest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4 - 5 Troubleshooting Procedures ...............................................................
HP 9122D, LM/tm 2012 3- I I 1 2- 1 1-4 I I 1 I 1 I I -I I I I Top View I I I I I I I 1-1 1-5 I I 1 I 1 I 1--------------------------------1 1--------------------------------1 S~ield .Mounting-Screw Locations
HP 9122D, Assembly Access LEVEL RFERENCE PART DESCRIPTION DESIGNATOR NUMBER .2 U2 1820-1202 IC-74LSI0N .2 U28 1820-1216 IC-SN74LSI38 .2 U31 1820-1300 IC SN74LS195N .2 U17,30 1820-1416 IC SN74LS14N .2 U20,23 1820-1433 IC SN74LS164N .2 U35 1820-2024 IC-SN74LS244 .2 U36 1820-2046 IC SN74LS353N .2 U18,33 1820-2096 IC SN74LS393N .2 U25 1820-2549 IC-8291AP .2 U39 1820-2624 IC-68B09 .2 U21,U29 1820-2684 IC-74FOO N .2 U22 1820-2686 IC-74F08 PC .2 U38 1820-3006 IC-MB8876A CTLR .2 U37 1820-3318 IC SN74ALS273N .2 U4.6 1821-0001 XSTR-ARRAYCA3046 .2 U1 1826-0
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