HP 91220/5 Disc Drives Service Manual
Contents
1. 10 50V 22UF 10 200PF 5 3 3UF 15 IUF 35V 10 220UF 35V AL 015 25V AL 6800UF 50V C F 33UF 100V INSUL FLG BSHG INSUL XSTR TO 3 STUD TERM CONN SGL CONT NUT HEX 6 32 R F 100 OHM 05 R F IK 5 254 i 4 1 14 711 mn ma mn OO DO 10K 05 1 4W 100 05 12 5 25W 120K 05 27K 05 5 6K 05 464 1 261 OHM 01 17 8K 1 4 22K 1 237 OHM 1 348 OHM 1 665 01 931 OHM 14 1 125W 562 OHM 1 4 75 1 10 0K 1 8W 1 i i i mo 711 711 nn mn 1 TRANSISTOR SHIELD STAND OFF TRANSFORMER XFMR SUPPORT EPROM LEVEL REFERENCE N MN IN NN DESIGNATOR 1 5 2 J6 7 TSI 2 U4 U7 19 42 016 27 015 24 32 010 2 28 931 017 30 920 23 935 936 918 33 925 039 021 29 922 938 037 04 6 01 08 014 09 011 12 03 5 013 CR4 CRS 12 CR2 CR14 CR13 LEDI 026 RII PART NUMBER 1200 0861 1205 0503 1205 0656 1251 5103 1251 5153 1251 6429 1251 7651 1251 8683 1252 0058 1258 0209 1810 0204 1810 0205 1813 0194 1818 1611 1820 0471 1820 1112 1820 1197 1820 1201 1820 1202 1820 1216 182. HP 9122D S Disc Drives Service Manual Manual part number 5957 6559 Printed APRIL 1988 Edition 2 Printed n U S A 20488 U HEWLETT PACKARD HEWLETT PACKARD P O Box 39 Boise Idaho 83707 0039 Notice The information contained in this document is subject to change without notice HEWLETT PACKARD MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE HEWLETT PACKARD shall not be liable for errors contained herein for incidental or consequential damages in connection with the furnishing performance or use of this material HEWLETT PACKARD assumes no responsibility for the use or reliability of its software on equipment that 15 not furnished by HEWLETT PACKARD This document contains proprietary information which is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of HEWLETT PACKARD Company Copyright 9 1934 1938 by HEWLETT PACKARD 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 1s incor porated into a reprin
3. On Failure O Information Oniy 34 09122 69501 Firmware Change WARRANTY EXTENDED _ NORMAL Controller Power PCA LABOR All Prefix 2518A and later X Potential Service Test Failure SERVICE Return for update Use as is 24 INVENTORY Return for salvage See text C N WARRANTY EXTENDED UNTIL Symptom The latest 3 1 2 inch Drive mechanism part number 09114 69511 date codes 2513 and 2514 when in products with the older E PROM part number 09122 15512 and earlier does not perform the jumper initiated Format Test correctly Due to timing differences between the new drive and controllers with older firmware step commands may not all be performed by the drive during the Service Format Test When this occurs all tracks will not be formatted The test will not indicate a failure as no read operation is done during the test A failure will not occur until an read or write operation is attempted The failure occurs on the jumoer initiated Format Tests Tests 12 and 13 ONLY No other tests or functions are effected Solution The New E PROM part number 09122 15513 corrects timing problems for both the earlier and later drives The Controller Power PCA part number 09122 69501 date code 2513 and later has the new E PROM 09114 69511 E PROM PN E PROM PN Drive Date Code 09122 15512 and earlier 09122 15513 and later 2418 and 2432 Will pass Service Format Test Will pass Service Format on good unit Test on good unit 2513 and 2514 May
4. Situation Starting with Serial Number prefix 2518A a new 3 5 Inch Drive PN09114 69511 is being used in the 9122D The new drive has a different Drive Electronics PCA Fewer components and Cassette Up Assembly The new drive will be used interchangeably with the existing 3 5 Inch Drive therefore it will be stocked with the same exchange part number and no FSI action is required Cause The drive is being changed to reduce cost and improve reliability The new drive has fewer parts to increase reliability Warranty Both drives will be used interchangeably using exchange part number 09114 69511 No F S I or warranty action is required 4 9 85 5800 9320 4766 1 83 O HEWLETT B PACKARD FOR MORE INFORMATION CALL YOUR LOCAL HP SALES OR SERVICE OFFICE or East 201 265 5000 M nwes 312 255 3509 South 1404 955 1500 Wes 213 970 7500 or 415 968 9200 OR WRITE Hewlett Packard 1820 Embarcadero Palo Aito California 94323 IN EUROPE CALL YOUR LOCAL HP SALES SERVICE OFFICE OR WRITE Hewlett Packard S A 7 rue du Box CH 1217 Meyrin 2 Geneva Switzerland IN JAPAN Yoxogawa mewteti Pacrara 1 27 15 Yabe Sagamihara City Kanagawa Prefecture Japan 229 1983 Hewlett Packard Company Printed in U S A 9122D 3 SERVICE NOTE Supersedes SUPERSEDES 9122D APPLIES TO Units 5 Oniy Units on Agreement PERFORM immediately At Normal 2
5. odes hata 4 7 Using the 59 90 Exerciser didus a tem o ya is to 4 11 DERRORS redes inda a UU CMM cp mA UL Ud Led 4 11 Hints on Using the 55 80 4 12 Adjustments a een dee xt 4 14 PLL Adjustment auper e bu ge RECUERDO PERLE Porc 4 14 Chapter 5 Assembly Access l 5 1 Introduction ens odo to 5 1 S122 D7 Ss Parts is ne nen 5 1 Chapter 6 Page Product History 6 1 IN OU rod mre aa us EU 6 1 Service Note ee 6 1 GENERAL INFORMATION Introduction The HP 9122 disc drives are random access data storage devices 1 2 inch double sided drive and the HP 91220 contains two 3 1 2 inch double sided disc drives The storage capacity ranges from 630K bytes to 788K bytes depending on the sector size beng used The HP 91225 contains a single 3 The HP 9122 dics drives have been designed using the SUBSET 80 command set Refer to the Subset 80 Reference Manual PN 5958 4129 for a complete description of this command set Technical Specifications Number of drives Net Weight Height Depth Width Interface HP Double Density Format Encoding Rotational Speed Bit Density 600 RPM Track Density Tracks per Surface Surfaces used per d
6. BOTTOM TEST PTS J2 HEATSINK NUT 39 R4 26 37 38 R40 41 46 R30 R23 24 R32 33 R36 R7 R25 R35 R5 27 R3 R9 22 R21 45 R14 16 17 18 RIS 219 R28 R2 6 8 RI2 13 20 29 R31 34 42 43 R44 T 940 50 PLSTC 45 13 14 2 16 7 8 RP1 RP2 RP3 MOTOROLA U4 U7 19 42 016 27 015 24 32 010 0180 3390 0340 0122 0340 0583 0360 0124 0360 2035 0590 0305 0683 1015 0683 1025 0683 1045 0683 1205 0683 1245 0683 1535 0683 5655 0683 6815 0683 8215 0698 0082 0698 3132 0698 3154 0698 3442 0698 3445 0757 0280 0757 0411 0757 0417 0757 0442 09121 00611 09121 82500 09121 82501 09122 15511 1200 0861 1205 0500 1205 0503 1251 5153 1251 6429 1251 7018 1251 7651 1251 8248 1252 0058 1258 0141 1810 0204 1813 0194 1818 1611 1820 0471 1820 1112 1820 1197 1820 1201 DESCRIPTION 100V INSUL FLG BSHG INSUL XSTR TO 3 STUD TERM CONN SGL CONT NUT HEX 6 32 R F 100 OHM 05 R F IK 5 25W 100K 05 12 5 25 120K 05 15K 5 25W 5 6M 05 680 OHM 254 820 OHM 05 464 OHM 1 261 OHM 01 4 22K 1 237 OHM 1 348 OHM 1 1 125W 332 OHM 1 562 OHM 1 10 0K 1 8W 1 i i 4 i 1 i 1 1 D 20 20 20 20 20 20 20 20 20 720 20 20 20 270 DP nnnnnnnnnnnnnnnn SHIELD TRANS TRANSFORMER XFMR SUPPORT IC SONY DSCTL E SKT IC 28 CONT HEATSINK XSTR MOUNT TO3 CN SGL CONT TAB CN3
7. such as software discs or data recorded on other drives This type of failure can be identified as follows 9122D Format disc in each drive using any available host or Tests 12 and 13 Exchange the discs just formatted between drive 0 and then attempt to read the discs with a host computer or verify the discs Tests 10 and 11 may be used for this purpose If discs cannot be read then a compatibility problem exists The defective drive cannot be iden tified in this way An additional test which MAY indicate the possible defective drive involves at tempting to READ a disc which contains prerecorded software Tests 10 and 11 may also be used for this test 91228 Attempt to READ a known good disc such as one containing prerecorded software Test 10 may be used for this purpose e Infrequent read or write errors The recommended method of verifying this type of failure is to use the tests in the R W _ TEST module of the 55 80 Exerciser These tests transfer data and when an error occurs the status information will provide an indication of the possible cause of the problem Refer to page 4 11 for a description of using the 55 80 Exerciser These tests can be set up to loop and can run for long periods of time If the error occurs on only one drive in 9122D then the drive is the probable cause of the problem If errors occur on both drives then the controller is the most probable cause of the failure In the case of the 9122
8. 250 VAC are 2110 0001 and 2110 0012 respectively Always disconnect the disc drive from any AC line before changing fuses Power Cords The power cord supplied by HP has polarities matched to the power sockets on the equipment See Figure 2 2 for details on the power cords Installation UL and CSA approved for use the United States of America and Canada with equipment set for either 100 5 120 operation and CSA for use in the United States of America and Canada with equipment set for either 260 249 Vac operation Figure 2 2 Available Power Cords Selecting the Device Address Each device in an HP IB system must set to a unique device address The HP 9122D S contains address switches located on the rear panel for programming in this address See the mass storage information of your controller for addressing information concerning mass storage devices See Figure 2 5 for switch loca tions An HP IB address of O is set at the factory before shipment Prior to setting the device address switches turn the disc drive AC line switch This 15 because part of the selftest and power up sequence includes a check to see what the address switch settings are Each time power is applied to the disc drive these switch settings are checked so if you change the switches be sure to cycle the power switch The switches can be set to any one of eight addresses from O through 7 Refer to
9. 4881 2418 2432 0374 6921 Head damage 0914 6951 drives Rubber 91220 6 wedge added for shipment PN 9223 0648 91220 5 0914 6951 9122D 7 i 91220 8 Torque specs for 09123 69101 drives 2614A 09123 69101 2614 1 2 91220 9 New controller PN 09122 69514 56267 to 70474 09122 69504 New shipping disc piscis Full height 1150 1786 height 1150 1787 91220 5 YiLLD 1A SERVICE NOTE Supersedes Unas on Agreement 91220 09114 69511 All Serial Numbers SERVICE Return for update Use INVENTORY Return for O See text O Se e SITUATION The 09114 69511 Flexible Disc drive is currently used in three products the 9114A the 91220 5 and the 91330 There 5 possible locations for mounting screws that attach the shield to the frame of the drive Each product requires a different minimum number of screws In some cases screws must NOT be installed in certain locations All drives in the 91220 5 have been shipped with the proper mounting screws However many of the EXCHANGE drives shipped prior to September 1984 contained only the one rear mounting screw The exchange drive is now being shipped with the MAXIMUM number of screws to accommodate all products that use the Required Screws in Exchange Flexible drive DESCRIPTION The 9122D requires the following Min Required Must Be Removed Drive 0 1 2 3 4 5 Drive 1 1 2
10. Drives PNO9114 69511 The noise reduces the window margin resulting in an increased soft error rate 3 5 Inch Drives with date codes 2513 and 2514 are more susceptable to this noise The failure rate for the test used to detect error rate problems increased to 4 82 from 0 32 when these drives were used in production units Solution Controller Power Supply PNO9122 69511 has improved filtering to reduce this noise Return all Controller Power Supplies PN09122 69501 for credit and reorder using PN09122 69511 We have not shipped drives with date codes 2513 or 2514 as repair inventory If these drives are shipped as repair inventory they will be tested to ensure they have adequate noise rejection to meet our specification with any Controller Power Supplies that have been shipped Warranty Units that have been shipped have been tested for error rate problems No extended warranty is given Part Number 09122 69501 09122 59511 Date Code 2513 and earlier 2515 and later F S I Disposition Return for Credit Current Assembly 05 06 85 5800 LA FOR MORE INFORMATION CALL YOUR LOCAL HP SALES OR SERVICE OFFICE or East 201 265 5000 Midwest 312 255 9800 South 404 955 1500 9 West 213 970 7500 or 415 968 9200 OR WRITE Hewiert Packard 1820 Embarcadero Pelo Alto California 94303 IN EUROPE CALL YOUR LOCAL HP SALES or SERVICE OFFICE OR WRITE Hewlett Packard S A 7 rue du Boa du Lan P O Box CH 1217 Meyrin 2 Gen
11. Figure 2 3 when setting these switches to the desired device address bo Installat on Position of 4 small switches 0 1 2 3 4 5 6 7 Figure 2 3 Device Address Switch Settings Disc Compatibility The table in Figure 2 4 details the recommended usage of s ngle sided and double discs Words used in the table are defined as follows Exchange only means that the disc should be used only for exchanging data and programs with single sided disc drives and should not be used on a daily basis OK means that the disc may be used on a daily basis Single sided HP disc exchange only Double sided HP media in OK single sided format Double sided HP media in OK double sided format HP software Figure 2 4 Usage of Single and Double sided Flexible Discs 2 3 Installation Controls and Indicators AC Power Switch Disc Access Light Disc Eject Button Disc Eject Button for Drive 0 for Drive 0 for Drive 1 Selftest Indicator Viewed through Air Serial n umber prefix 2518A and below Intake Slots Disc Access Light for Drive 1 AC Switch Disc Access Light Disc Eject Button Disc Eject Button for Drive O for Drive Q for Drive 1 Seiftest Indicator Viewed through Air Serial number prefix 26144 and above Disc Access Light for Drive 1 EN AC INPUT Oo AN el y le ro 27 8 oe SW is 21 ALL serial numbe
12. is measured and compared against the specification No test if no media in drive 7 Motor 1 speed 2 3s Same as above but on drive 1 8 X Write verify 2 min Write on every sector of the disc and disc 0 verify the data written 9 X Write verify 2 min Same as above but on drive l disc 10 Verify disc 0 min All sectors in the data area of the disc are checked for CRC errors 11 Verify disc l min Same as above but on drive 12 Format disc 0 1 min The disc is re initialized with a 011 data pattern TROUBLESHOOTING 13 Format disc I min Same as above but on drive 1 14 PLL test 1 25 The free running frequency of the PLL is checked The disc in drive 0 is used for the test and its format is destroyed by the testing procedure NOTE Format the disc again if you are going to run test 8 1 Time shown is for the format generated by test 12 or 13 This time will be different if the disc is initialized with another interleave factor NOTE A disc must be in the drives to perform test 6 through 14 En sure that the discs are not write protected and that they are initialized scratch discs Selecting a Selftest The service diagnostic testing function allows selection and looping of any of the test choices in the follow ing table To initiate a test perform the following 1 Apply power to the unit and allow the power on selftest to complete 2 Install formatted unprotected discs if tests 6 through 14 are
13. some cases media may cause this type of problem Refer to statement concerning media in the General information on paze 4 6 If the SS 80 Exerciser is available do the following steps 1 Perform the LOOPBAK test in the 55 80 Exerciser MANUAL module This tests the 9122 I O If test fails then replace 9122 controller power If test passes go on to step two 2 Perform the INIT test in the SS 80 Exerciser MANUAL module on each unit This tests the read write capability of the drive and the controller 4 8 TROUBLESHOOTING 9122D If one drive fa ls then replace the failing drive mechanism If both drives fail then perform Test 14 If test fails then adjust the PLL per procedure on page 4 14 If PLL adjustment does not correct the problem or cannot be made then replace the controller power PCA 21225 If INIT fails it is possible that either the drive controller power could cause the failure If disc access light comes on then perform Test 14 If Test fails then adjust the PLL per procedure on page 4 14 If the PLL adjustment does not correct the problem or cannot be made then replace the drive If drive replacement does not correct the problem then replace the original drive in the 91225 and change the controller power If disc access light did not come on replace the controller first if failure persists replace original controller and change the drive mechanism If 55 3
14. 0 Exerciser 15 not available perform the following 1 If a computer which supports the 9122 is available attempt to INITIALIZE or FORMAT using appropriate host commands on each drive This tests the read write capability of the drive and the controller power PCA 9122D If disc access light comes on the HP 9122 I O circuitry is good If it does not come on replace the controller power PCA If one drive fails then replace the failing drive mechanism If both drives fail then perform Test 14 If test fails then adjust the PLL per procedure on page 4 14 If PLL adjustment does not correct the problem or cannot be made then replace the controller power PCA 91225 If disc access light comes on the 9122 I O circuitry is good If disc access light does not come on then replace the controller power PCA 4 9 TROUBLESHOOTING If INITIALIZE FORMAT fails 1t is possible that either the drive or controller power could cause the failure If disc access light comes on then perform Test 14 If test fails then adjust the PLL per procedure on page 4 14 IF PLL adjustment does not correct problem or cannot be made then replace the drive If failure persists replace original drive in the 9122S and change the controller power PCA If disc access light did not come on the power controller first f failure sists replace original controller and change the drive mechanism 2 If no host computer is available
15. 00 or 415 968 9200 OR WRITE Hewlett Packard 1820 Embarcadero Palo Alto California IN EUROPE CALL YOUR LOCAL HP SALES or SERVICE OFFICE OR WRITE Hewlett Packard S R 7 rue du Bois du Lan P O Box CH 1217 Meyrin 2 Geneva Switzerland JAPAN Yokogawa Hewlett Packard Ltd 1 27 15 Yabe Sagamihara City Kanagawa Prefecture Japan 229 1983 Hewlett Packard Company 91220 8 SERVICE NOTE Supersedes N A 9122D APPLIES TO All Units X Only Units on Agreement Immediately At Pri Normal Call 3 1 2 Tach Floppy Disc Drive Qn Failure Information Only X WARRANT Y Serial number LRBOR 2614A and above PRRTS TRAVEL Torque specification for 09123 69101 Return for Update drive mechanisms Return Salvage WARRANTY EXTENDED UNTIL Situation The new slim line Sony 3 1 2 Inch floppy drive mechanism HP exchange part number 09123 69101 is susceptible to damaging the threads in the drive mechanism when the mounting standoffs are attached Solution The drive casting threads may be damaged if the standoffs are tightened beyond the 6 5 inch pound 0 734 newton meter torque specification If there is no way of measuring the torque when attaching the standoffs to the drive mech firmly hand tighten the standoffs DO NOT OVERTIGHTEN Y HEWLETT PACKARD FOR MORE INFORMATION CALL YOUR LOCAL HP SALES OR SERVICE OFFICE or East 201 265 5000 Midwest 312 255 9800 South 404 955 1500 W
16. 1 SQ POST CN4 1 SQ POST CN24 M AMP CN26 1 SQ POST CN3 1 SQ POST JUMPER REM NTWK R 7X1K SIP XTAL CLK OSC IC STATIC RAM IC SN7406N IC SN74LS74AN IC SN74LS00N 5 741508 LEVEL RFERENCE DESIGNATOR 92 028 031 017 30 020 23 035 936 U18 33 U25 U39 U21 U29 U22 U38 U37 U4 6 01 98 914 9 011 12 93 5 013 CR1 3 CR4 CR5 12 CR2 CRI4 CR13 LEDI 926 R10 Fl F1 F1 F2 3 XFMR MOUNT SW SW3 542 L 12 13 14 15 NUMBER 1820 1202 1820 1216 1820 1300 1820 1416 1820 1433 1820 2024 1820 2046 1820 2096 1820 2549 1820 2624 1820 2684 1820 2686 1820 3006 1820 3318 1821 0001 1826 0210 1826 0346 1826 0412 1826 0555 1854 0611 1858 0058 1884 0074 1901 0050 1901 0518 1901 1135 1902 0029 1902 0040 1902 0074 1990 0450 11 4 0001 2100 0554 2110 0001 2110 0565 2110 0642 2110 0711 2200 0107 2200 0205 3101 0680 3101 2264 3101 2623 9100 0539 9140 0183 09122 68802 2110 0001 2110 0012 Assembly Access DESCRIPTION 1 741510 IC SN74LS138 IC SN74LS195N IC SN74LS14N IC SN74LS164N IC SN74LS244 IC SN74LS353N IC SN74LS393N 1 8291 IC 68809 IC 74F00 N IC 74F08 PC IC MB8876A CTLR IC SN74ALS273N XSTR ARRAYCA3046 IC LM36 IC LM358 LM 393 V COMPAR IC LM340LAZ 5 XSTR 2N6055 NPN XSTR ARY MPQ3906 IC 2N5060 DIO SWITCHING DIO SM SIG S DIO PWR 3A 70V DIO ZNR 12V 5X DIO ZNR 14V 5 DIO ZNR 7 15V 5 LED LMP TRANSCEIVER R V 500 OHM
17. 10 FUSE 250V CAP FUSE HOLDER FUHLR EXTR POST 5 AMP FUSE SCR MACH 4 40 SCREW MACHINE SW PB DPDT SW RKR 4 1A SWITCH SLIDE IDCTR 10UH SX IDCTR 20UH 10 LINE FILTER ASSY FUSE 250V FUSE SA 250V 3 3 Assembly Access LEVEL REFERENCE FO FJ F9 N N N 5 4 DESIGNATOR 211 512 19 27 617 22 23 21 31 38 43 46 C4 5 8 39 42 25 26 9 18 29 30 24 C2 3 19 16 C7 13 14 TP4 2 R1 39 R4 26 37 38 40 RAT 49 R46 48 R30 R23 24 R32 33 R34 R7 R5 R3 R36 R9 22 R21 45 R14 16 18 R25 28 27 35 RIS 19 R2 6 8 R47 RI0 12 13 20 2 R31 42 TI TI 040 NUMBER 09122 69514 0160 3622 0160 4574 0160 4805 0160 4810 0160 4830 0160 4832 0160 4835 0160 5098 0160 5349 0180 0210 0180 029 0130 0692 0180 3007 0180 3260 0180 3390 0340 0122 0340 0583 0360 0124 0360 2035 0590 0305 0683 1015 0683 1025 0683 1035 0683 1045 0683 1205 0683 1245 0683 2735 0633 5655 0698 0082 0698 3132 0698 3136 0698 3154 0698 3442 0698 3445 0698 3511 0698 4465 0757 0280 0757 0417 0757 0437 0757 0442 09121 00611 09121 48305 09121 82500 09121 82501 09122 15514 DESCRIPTION CONTROLLER PCA 100V 1000PF 10 47PF 5 100V 330PF 5 2200PF 10 OIUF 10
18. 20 1300 1820 1416 1820 1433 1820 2024 1820 2046 1820 2096 1820 2549 1820 2624 1820 2624 1820 2686 1820 3006 1820 3318 1821 0001 1826 0210 1826 0346 1826 0412 1826 0555 1854 0611 1858 0058 1884 0074 1901 0050 1901 0518 1901 1135 1902 0029 1902 0040 1902 0074 1990 0450 1154 0001 2100 0554 Assembly Access DESCRIPTION SKT IC 28 CONT XSTR MOUNT T03 HEAT SINK 5 1 SQ POST CN SGL CONT TAB CN3 1 SQ POST CN24 M AMP CHAMP CONNECTOR 34 PIN CN3 1 SQ POST JUMPER REMOVABLE NTWK R 7XIK SIP NTWK R 7X4 7KSIP CRYSTAL 0SC 8MHZ IC STATIC RAM 2K IC SN7406N IC SN74LS74AN IC 5 741500 IC SN74LS08N IC 741510 IC 5 7415138 IC SN74LS195N IC 5 741514 IC SN74LS164N IC SN74LS244 IC SN74LS353N IC SN74LS393N IC 8291AP IC 68809 IC 74F00 N IC 74F08 PC IC MB8876A CTLR IC SN74ALS273N XSTR ARRAY CA3046 IC LM361 IC LM358 LM 393 VOLTAGE COMPAR IC LM340LAZ 5 2N6055 NPN TRANSISTOR MPQ3906 TRANSISTOR ARRAY 2N506 THYRISTOR SWITCHING DIODE SMALL SIGNAL DIODE POWER DIODE 3A 70V ZENER DIODE 12V 5X ZENER DIODE 14V 5 ZENER DIODE 7 15V 5X LED IC TRANSCEIVER VARIABLE RES 500 10 5 5 Assembly Access LEVEL REFERENCE DESIGNATOR Fl Fl F2 3 543 542 LI EZ L3 L4 5 Disc Drives CASE PARTS Top Cover Hardware NNN NN 1 HP IB Mounting Hardware 1 5 6 HP IB STANDOFF CONNECTION PART NUMB
19. 213 970 7500 415 968 9200 OR WRITE Hewlett Packard 1820 Embarcadero Palo Alto California IN EUROPE CALL YOUR LOCAL HP SALES or SERVICE OFFICE OR WRITE Hewlett Packard S A 7 rue du Bois du Lan P O Box 1217 Meyrin 2 Geneva Switzerland IN JAPAN Yokogawa Hewlett Packard Ltd 1 27 15 Yabe Sagamihara City Kanagawa Prefecture Japan 229 1983 Hewlett Packard Company 9122D 10 SERVICE NOTE Supersedes N A 9122D ARPLIES TO All Units X Only Units on Aareemant Immediately Ar Fii normal Call On Failure Information Only Dual 3 1 2 Inch Floppy Disc Drives NORMAL Serial number LABOR See below 4 PARTS TRAVEL New shipping disc SERVICE Return for Update INVENTORY Return for Salvage WARRANTY EXTENDED UNTIL Situation There is a new improved shipping disc available for both the full height 09114 69511 and the slim line 09123 69101 3 1 2 incn floppy disc drives This new shipping disc has a sliding lock attached to the plastic disc which eliminates the need for the rubber wedge 9223 0648 that is required on the old shipping disc 1535 4881 Solution All products will ship with the new shipping disc starting approximately 1987 The new shipping disc will have part number 1150 1786 for the full height drive 09114 69511 9122D s with serial number prefix below 2614A The part number is 1150 1787 for the shippi
20. 3 4 5 If the required screws are not in the exchange drive use screws from the original removed drive LM tn 061 24 85 5800 LA FOR MORE INFORMATION CALL YOUR LOCAL SALES OR SERVICE OFFICE or East 201 265 5000 9 Midwest 312 255 9800 9 South 404 955 1500 West 213 870 7500 or 415 968 9200 OR WRITE 1820 Embercadero Palo Alto California 94303 IN EUROPE CALL YOUR LOCAL HP SALES er SERVICE OFFICE OR WRITE Hewiett Packard 5 7 du Bom du Lan Box CH 1217 Meyrin 2 Geneve Switzerland IN JAPAN Yokogawe Fewiett Packard 1 27 16 Y abe Sagarnihara City Kanagawa Prefecture Japen 229 1983 Hewistt Packard Company Printed in U S A 1012 9320 4766 1 83 45 4D gt gt I 1 2 1 1 4 1 1 I I I I I I 1 1 Top View I 1 1 1 1 1 1 1 1 1 5 I 1 1 1 1 1 LEE EN A S Shield Mounting Screw Locations LM tm 2012 9122 2 SERVICE NOTE Supersedes None SUPERSEDES Oniy Units Agreemer At Norma Intormat on Oniy APPLIES TO Units X Immediately Qn 2 PERFORM EL WARRANTY EXTENDED NORMAL LABOR 09114 69511 PARTE 3 5 Inch Drive Mechanism TRAVEL All Prefix 25184 and later SERVICE Return for update G Use as is Y INVENTORY _ Return for salvage See text WARRANTY EXTENDED UNTIL
21. CH 1217 Meyrin 2 Geneva Switzerland IN JAPAN Yokogawa Hewlett Packard Ltd 1 27 15 Yabe Sagamihara City Kanagawa Prefecture Japan 229 1983 Hewlett Packard Company 9122D 7 SERVICE NOTE Supersedes None 91220 APPLIES TO 41 units X Only Units on Agreement Immediately At PM Normal Call PERFORM On Failure Information Only X 9122D Dual Disc Drive 2 WARRANTY EXTENDED Serial number LABOR All PARTS TRAVEL Required Repair Parts SERVICE Return for Update Use as is INVENTORY Return for Salvage See Text X WARRANTY EXTENDED UNTIL Situation All 91220 5 with serial number prefix 2614A and above will be produced with a new 3 5 inch flexible disc drive and a new controller power PCA Two new exchange assemblies and a new ribbon cable will be required to support repair of 91220 5 manufactured with these new assemblies Solution The following exchange assemblies are required to service the 9122D 09114 69511 09122 69101 3 5 inch flexible disc drive 09122 69511 09122 69504 Controller Cables required for service of the 91220 are as follows 09121 61611 09123 61611 Ribbon cable 09121 61612 Not required D C power cable The 09123 69101 is currently used in the 9123D with serial prefix of 2536A and above and the 91148 LSM 3 11 86 WR MORE INFORMATION CALL YOUR LOCAL HP SALES OR SERVICE OFFICE or East 291 265 5000 Midwest 312 255 9800 South ar 955 1500 West 213 970 75
22. E Hewlett Packard 5 8 7 du Bois du Lan P O Box CH 1217 Meyrin 2 Geneva Switzerland IN JAPAN Yokogawa Hewlett Packard Ltd 1 27 15 Yabe Sagamihara City Kanagawa Prefecture Japan 229 1983 Hewlett Packard Company y Solution 1 If the drive is moved or shipped customers should install a rubber wedge into the drive above the shipping disc to prevent the shipping disc from ejecting The HP part number of the rubber wedge is 9223 0648 2 Educate customers regarding removing and installing the shipping disc or media into the drive without first depressing the eject button New products will contain an instruction sheet explaining the situation The part number of the instruction sheet is 09114 90036 FSI All 09114 69511 drives shipped from CSR and CSE will have the rubber wedge and instruction sheet with the drive All drives in FSI should have the rub ber wedge installed immediately Any drives received in FSI with the ship ping disc ejected should be returned to CSR or CSE No drive mechanisms should be shipped without the rubber wedge RP 9 23 85 FOR MORE INFORMATION CALL YOUR LOCAL HP SALES OR SERVICE OFFICE or East 201 265 5000 Midwest 312 255 9800 South 404 955 1500 West 213 970 7500 415 968 9200 OR WRITE Hewlett Packard 1820 Embarcadero Palo Alto California IN EUROPE CALL YOUR LOCAL HP SALES or SERVICE OFFICE OR WRITE Hewlett Packard S A 7 rue du Bois du Lan P O Box
23. ER 2110 0001 2110 0565 2110 0642 2110 0711 2200 0107 2200 0205 3101 2264 3101 2623 3101 2887 9100 0539 9100 1627 9100 3551 9140 0183 09114 69511 09123 69101 09121 88866 0590 0681 09121 44411 09122 00103 09122 84303 09121 48306 2360 0117 0380 0643 DESCRIPTION FUSE 250V CAP FUSE HOLDER FUHLR EXTR POST 5 AMP FUSE SCR MACH 4 40 SCR MACH 4 40 SW RKR 4 1A SWITCH SLIDE SWITCH PUSHBUTON IDCTR 10UH 5 IDCTR 39UH 10 IDCTR 1UH 5 IDCTR 20UH 10 FLEXIBLE DISC DRIVE S N PREFIX 2518A AND BELOW FLEXIBLE DISC DRIVE S N PREFIX 2614A AND ABOVE COVER ASSEMBLY U CLIP TOP COVER EMI SHIELD NAMEPLATE 9122 SWITCH SHAFT MACHINE SCREW 6 32 NUT 6 32 3 5 Drive Mounting Hardware Miscellaneous Parts 1 1 1 1 1 1 1 1 FEET REAR LINE FILTER GND FRONT FEET PCA Mounting Assembly Access S N prefix 2614A and above 09122 24700 09122 24701 0515 1738 S N prefix 0515 1738 0403 0427 0515 1079 0624 0583 09121 00110 09121 48306 09121 48302 09121 48303 09121 61611 09123 61611 09121 61612 09121 68511 5041 1203 2360 0117 EXCHANGE ASSEMBLIES 1 09114 69511 09123 69101 09122 69511 09122 69514 STANDOFF 5 ea STANDOFF 1 ea MOUNTING SCREW 6 ea 2518A and below MOUNTING SCREW 6 ea BUMPER FOOT SCREW SCREW BASE PUSH ROD PLASTIC PILLAR SUPPORT FOOT MOLDED RIBBON CABLE ASSEMBLY S N prefix 2518A an
24. IBBON CABLE ASSEMBLY X FAN ASSEMBLY X X DC POWER CABLE X LINE FILTER ASSEMBLY X X FUSE 1A 250 VOLT X X FUSE 1 2A 250 VOLT X X Exchange Assemblies Controller PCA X Controller PCA X 3 1 2 inch disc drive X 3 1 2 inch disc drive X TROUBLESHOOTING Controller Electronics and Power Supply Assembly Figure 4 1 represents the power supply and controller electronics S N Prefix 2518A and below of the printed circuit assembly PCA Figure 4 2 represents the supply and controller electronics S N Prefix 2614A 2615A and above of the The following information applies to both controller PCAs shown in Figure 4 1 and 4 2 Jumper 6 15 used to configure the controller for either a single disc drive for two disc drives 91225 9122D respec tively J7 15 used to start the service tests Jumper J6 is shown in the 91220 position and J7 15 shown in the normal operating position HP IB SELECT CODE En ala J6 09122 69501 TP1 5V0C 41 FLEXIBLE DISC DRIVES 12VDC 42 TPS 12ZV0C TP4 GNO 43 44 POWER TO DISC ORIVES TP5 INDEX 6 TRKO 48 7 READ DATA SINGLE OR DOUBLE TP3 WRITE DATA 7 SERVICE TEST TP9 GNO 10 5 Fuse F2 is for 5 and 12V supplies TEVE READ Fuse F3 is for the 12V supply and the Figure 4 1 Controller and Power Supply PCA 09122 69511 4 2 TROUBLESHOOTING se F3 2 P1 ndex J3
25. PV pner 2 2 Disc Compatibility ud ee Catal cae 2 3 Controls and 4 01621015 n dat eM MeL 2 4 Media Monitor a E Ax M M 2 5 POWer Sell 85 2 5 Write Protect Error on N A NER 2 5 Chapter 3 Page Interface Information 3 1 HPSIB Interface ct Di Ta en mc OE eC ee 3 1 ET TIE 3 1 HP IB Interface Restricti ns ne c US WEE ee ae ein 3 1 Chapter 4 Page Troubleshooting 4 1 Repair PInlosopliy AAA testa leta N a see 4 1 NonsExclang Assembles a 4 1 Exchange 5 od NS ds o 4 1 Controller Electronics and Power Supply Assembly 4 2 Contents continued Selftest Ne A Oe 4 4 Available Tests od ee ent 4 4 Selecting d Dora ee ee ee TEE 4 5 Troubleshooting Procedures u tales es ea ae We 4 6 Fault Isolation Procedures 5245 45 pA a E E 4 6 Troubleshooting PrOGEH ores A Lt eoa quest ete cec 4 6 Troubleshooting Flowchart sen ON ere ei
26. S there is no means of determining whether the disc mechanism or the controller is the cause of the problem Using the 55 80 Exerciser The following information will help in interpreting the results obtained with the SS 30 Exerciser and will also assist in effective use of the Exerciser DERRORS DERRORS may be indicated following the execution of certain commands The DERROR is basically run time status of the 9122 and provides additional information concerning what the product is doing 4 11 TROUBLESHOOTING The DERROR alone never indicates a failure additional status information will be displayed f a problem exists Some common DERRORS which occur with the 9122 as follows DERROR Description BA Occurs following power on selftest f media which is formatted in single sided format is in the drive Indicates that no read write test was performed during the selftest BB Occurs following power on selftest if media which is formatted in double sided format is in the drive Indicates that a read write test was performed during the selftest B9 Occurs following execution of INIT MEDIA The number of tracks spared on both sides of the media s then printed DERROR 5 thru and FO thru F4 could occur Except for the ones indicated above these DER ROR s do not provide significant additional information HINTS ON USING THE 55 30 EXERCISER The SS 80 Exerciser provides some capabilities which are no
27. The program will allow loop ng to perform extensive testing 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 DISC ORE SELECT SWITCH POWER FROM CONTROLLER FACTORY SETTINGS 2 ORME 1 2 Figure 4 4 Disc Drive Select Switch 09114 69511 Figure 4 5 Disc Drive Select Switch 09123 69101 TROUBLESHOOTING Adjustments PLL Adjustment The Phase LockLoop PLL adjustment is performed as follows The PLL adjustment should be performed when the unit exibits read verify errors or fails the PLL test TEST 14 Use figure 4 1 or 4 2 for locat ng test points 1 Power on the unit and allow the power on selftest to finish 2 After two minutes warm up attach the frequency counter test leads to the VCO test point 1 The frequency should be 500 Hz 57 If adjustment is necessary adjust the variable resistor R11 for a frequency of 500 KHz 2 1 KHz 3 Verify disc operation CHAPTER Assembly Access 5 Introduction The following is additional information which pertains to the 9122D S and the 91210 5 disc drives Top Cover Removal To remove the top cover perform the following steps Remove the AC power cord then remove the two cover securing screws on the rear of the unit Depress the front panel power switch so that the cover wi
28. This could occur if a drive has failed and it is not possible to boot the computer 21 20 Perform Tests 12 and 13 If one drive fails then replace the failing drive mechanism If both drives fail then perform test 14 If Test 14 fails adjust the PLL per procedure on page 4 14 If PLL adjustment does not correct the problem or cannot be made then replace the controller power PCA 91225 Perform Test 14 If test fails then adjust the PLL per procedure on page 4 14 If PLL adjustment does not correct the problem or cannot be made then replace the controller power PCA Test 14 passes then perform Test 12 If Test 12 fails then replace the drive if failure persists then replace orginal drive and replace power controller in 91225 If Test 12 passes replace power controller PCA if failure persists then replace original power controller PCA and replace drive PROCEDURE P4 Occasional or Intermittent failures Some causes of this type of problem include the following Media problems see information in General section TROUBLESHOOTING Environmental problems Temperature humidity outside the range specified for product Dusty or dirty environment Noise on power lines Transients or continual noise on lines from other equipment Strong electromagnetic fields in vicinity of the drive Compatibility problems Drive can read discs it has written but cannot read discs written on scher drives
29. WORKED en IN CUSTOMER S ER SYSTEM YES YES TROUBLESHOOT PER TROUBLESHOOT PER P4 4 7 TROUBLESHOOTING The following procedures should be referenced when referred to by the Troubleshooting Flow Chart PROCEDURE Selftest indicator not on at power on l Check pr mary fuse 2 Check setting of the primary voltage select switch 115 220V see Figure 2 1 3 Check power supply voltages on the controller power See Figure 4 1 4 2 Repair by replacing fuses F2 12V and 5V or F3 12V on controller PCA or replacing controller PCA PROCEDURE P Fails power selftest with out media in drive 1 Check that all internal cables in the drives are connected properly and are seated correctly 2 Perform Tests 4 and 5 seek or track O test perform TRK__0 test in the 55 80 Exerciser SERVC module 31220 If one drive fa ls then replace the failing drive mechanism If both drives fail replace the controller power 1225 If any of Tests 0 3 fail then replace controller power If Tests 0 3 pass replace the drive mechanism PROCEDURE 2 Fails power on selftest with media installed 1 Perform Tests 6 and 7 measures index period or perform MTR SPD test using 55 80 Ex erciser SERVC module If disc access light comes on but drive fails then replace drive If disc access light does not come on then replace controller power PROCEDURE P3 Consistent failure In
30. amaging the media e If the fan is not operating check that the HP 9122 is receiving primary power that the voltage select switch is set correctly and that the primary fuse s good Also check that the fan 15 plugged into the con troller PCA correctly and that the power supply voltages on the controller PCA are correct If possible determine whether the customer has been using HP double sided media if the customer is using media from other sources or HP single sided media in double sided mode it 15 possible that media could be the cause of the problem Some media related problems which have occurred include visible wear of the disc and a high pitched sound from the drive while the disc 15 being accessed These problems have occurred when single sided HP media is being used heavily with the HP 9122 instead of its intended use to exchange data with single sided disc drives and with media from other vendors Note that the head resonance problem may be found occasional ly as an independent failure mode also Additional media related problems may occur as failure to initialize media and intermittent failures In some cases media may cause an accumulation of residue on the read write head of the disc drive which must be removed 1f possible before the drive will work properly with HP media Heads may be cleaned using the 09122 89415 cleaning disc and the HD routine in the 55 80 Exerciser SERVC module to exercise the disc drive du
31. and J4 Read Data 2 Not used With Slimline drives Fuse 2 15 Fuse 15 for 5V and for 12V and GND 17V suppies the fan ne PR PLL Adj HOV 12V LED Figure 4 2 Controller and Power Supply PCA 09122 69504 4 3 TROUBLESHOOTING Selftest The selftest diagnostic capability of the HP 9122D S can be initiated in three ways Power on Service in t ated and Host initiated The HP 9122 power on selftest tests the FDC and the HP IB chips and performs a seek test The HP 9122 also performs an index period test if any media ts in the disc drive and a Write Read test if formatted non write protected discs are installed in the drive prior to powering on the unit Available Test The following Service Test are available on the HP 9122D S products Test Number Test Time Test Description 0 RAM 18 28 All patterns are written in all i locations of RAM 1 ROM 1 25 checksum calculation is performed 2 HP IB chip 1 25 Two of the registers are written and their content verified 3 FDC chip 1 25 Two of the registers are written and their content verified 4 Drive 0 Seek 2 35 Commands are given to the to move the head on and off of track 0 The track 0 indicator is checked to see that movement occurred 5 Drive seek 2 3s Same as above but on drive 1 6 Motor 0 speed 2 35 The head is stepped to track 35 and loaded The period of the index pulse
32. d GENERAL INFORMATION Cleaning the Case The disc drive case 15 made from a white plastic material and 15 not painted The rear panel has a durable non toxic label In the event of damage to the case finish consult your HP Sales Office for touchup paints CAUTION Chemical spray on cleaners used for appliances and other household and industrial applications may damage the case finish Do not use detergents that contain ammonia benzenes chlorides or abrasives Before cleaning the case disconnect the power cord and HP IB cables Make sure that any disc is removed from the drives Dampen a clean soft lint free cloth 1n a soiution of clean water and mild soap Wipe the soiled areas of the case making sure that no cleaning solution gets inside the case For cleaning more heavi soiled areas a solution of 80 clean water and 20 sopropyl alcohol may be used Dry the areas that had cleaning solution applied with another clean soft hnt free cloth A non abrasive eraser may be used to remove pen and pencil marks 1 4 Installation Configuring Power Setting The Line Voltage Select Switch The voltage select switch on the rear panel must be set to the nominal line voltage for the area in which it is operating Figure 2 1 shows the setting for the voltage select switch for the various voltages Figure 2 1 Line Voltage Select Switch Fuses The part numbers of the fuses used for the two voltage ranges of 90 125 and 180
33. d below RIBBON CABLE ASSEMBLY S N prefix 2614A and above DC POWER CABLE S N prefix 2518A and below FAN ASSEMBLY BUTTON WHITE 6 32 SCREW FLEXIBLE DISC DRIVE S N PREFIX 2518A AND BELOW FLEXIBLE DISC DRIVE S N PREFIX 2614A AND ABOVE CONTROLLER PCA S N PREFIX 2518A AND BELOW CONTROLLER PCA S N PREFIX 2614A AND ABOVE 5 7 Assembly Access 09114 69511 or 09123 69101 FLEXIBLE DISC DRIVES poem 9 al E CONTROLLER POWER SUPPLY FAN 09122 69511 09121 68511 or 09122 69514 Location of Field Replaciable Assemblies FRA 5 8 Product History 6 Introduction This section of the manual is complete for all 9122D S products now in the field Applicable serial num bers are as follows HP 9122D s serial numbers prefixed by 2513A and below serial numbers prefixed by 2614a and above Service Note History The following table shows the service notes which have been issued against the HP 9122D S products The service notes provided at the end of th s chapter for reference 9122D 1A Required screws in exchange drives 09114 69510 0914 6951 3 1 2 inch dri New drive electronics 91220 2 inch drive li ALL 0914 6951 91220 3 Potential Service Test failure 2518A and 09122 69501 Firmware update needed above Controller Power supply generates noise 2513A and New shipping disc Drive date codes 91220 5 1535
34. e bus system must be less than or equal to two metres times the number of devices connected together the interface card is considered one device 3 The total length of the cable must not exceed 20 metres For example a system containing six devices can be connected together with cables that have a total length less than or equal to 12 metres six devices x 2m device 12 metres The individual lengths of cable may be distributed in any manner desired as long as the total length does not exceed the allowed maximum If more than 10 devices are to 3 1 Interface Informat on be connected together cables shorter than two metres must be used between some of the devices to keep the total cable lenzth less than 20 metres 4 The maximum number of devices that can be connected together in a one bus system 15 15 There are no restrictions to the way cables may be connected together however it is recommended that no more than four pigzyback connectors be stacked together on one device The resulting structure could exert enough force on the connector mounting to damage it 3 2 Troubleshooting Repair Philosophy The HP 9122D S are serviced on the exchange program Part Number 09123 61611 09121 61611 09121 68511 09121 61612 09122 68802 2110 0001 2110 0012 09122 69511 09122 69514 09114 69511 09123 69101 Non Exchange Assemblies Description S N Prefix 2614A S N Prefix 2518A and above and below RIBBON CABLE ASSEMBLY X R
35. est 213 970 7500 or 415 968 9200 OR WRITE Hewlett Packard 1820 Embarcadero Palo Alto California IN EUROPE CALL YOUR LOCAL HP SALES or SERVICE OFFICE OR WRITE Hewlett Packard S A 7 rue du Bois du Lan P O Box CH 1217 Meyrin 2 Switzerland JAPAN Yokogawa Hewlett Packard Ltd 1 27 15 Yabe Sagamihara C ty Kanagawa Prefecture Japan 229 1983 Hewlett Packard Company 9122D 9 SERVICE NOTE Supersedes N A 1 7152 APPLIES TO All Units X Only Units on Agreement j 3 Immediately At Pri Normal Call Dual 3 1 2 Inch Floppy Disc Drives PERFORM On Failure Information Only WARRANTY LABOR Serial number 6 PARTS 2614456267 to 2614470474 TRAVEL 2 lt Return for Update X New exchange part number 09122 69514 Return for Salvage WARRANTY EXTENDED UNTIL XX See Text Situation _An incorrect part was used in the design of the controller which could cause in compatibility between the drive mechanism and the controller board if either the drive mechanism or controller board has been replaced This incompatability will NOT appear on new units that have npt had the drive mechanism or controller replaced Solution Return all 09122 69504 controller boards to SMR or CSG for upgrade to new part number 09122 69514 12 19 86 FOR MORE INFORMATION CALL YOUR LOCAL HP SALES OR SERVICE OFFICE or East 201 265 5000 Midwest 312 255 9800 South 404 955 1500 West
36. eva Switzerland IN JAPAN Yokogawa Hewiett Packard Lid 1 27 15 Yabe Sagamihara City Kanagawa Prefecture Jagen 229 1983 Hewlett Packard Company Printed in U S A 9320 4766 1 83 31220839 SERVICE NOTE SUPERSEDES APPLIES Ait Uns X Only Units on Agreement C immediately At PW Normali Call F PEREOAM On Failure Information 91220 3 1 2 Inch Double Sided WARRANTY EXTENDED NORMAL Floppy Disc Drives LABOR PARTS New Shipping Disc TRAVEL SERVICE Return for update 2 Use as is C INVENTORY Return for saivage See text Y WARRANTY EXTENDED UNTIL Situation The 3 1 2 inch double sided disc drive PN 09114 69511 has been changed by Sony to improve performance and reliability from a 10 drive to a 11 drive The new date codes on these drives will be 2513 or 2514 The older date codes on these drives were 2418 or 2432 The newer drives have a plastic shipping disc that has been designed especially for these newer drives but is backward compatable with the older drives All the double sided drives now being shipped with the new plastic shipping disc The older cardboard shipping disc PN 1535 4881 can be used with both the newer and older drives The new plastic shipping disc will also have part number 1535 4881 The old cardboard shipping disc does not eject as smoothly as the new plastic disc in the new drives but careful handling when removing the disc from the drive will not da
37. he nor mal testing time an error within the disc drive has been detected If an error occurs refer to Chapter 4 for troubleshooting procedures Write Protect Error on Initialization A motor speed check 15 performed before initialization is performed If the motor speed is on either side of the tolerance allowed a Write Protect Error is generated and the disc cannot be initialized At this point insert another disc If a write protect error is generated again refer to Chapter 4 for troubleshooting procedures If no write protect error occurs with the second disc then the first disc used is bad and should be discarded Interface Information HP IB Interface Installation The HP 9122D S 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 cables used with HP computers Accessory Number Figure 3 1 HP IB Interface Cables the cables listed above are completely shielded to eliminate Radio Frequency Interference RFI The use of unshielded cables will cause increased in the area of operation CAUTION Never turn the disc drive off or remove the disc from the drive when the disc access light is on doing so can cause loss of data HP IB Interface Restrictions 1 the AC line switches of the host system must be turned OFF when connecting and disconnecting devices to the system 2 The total length of cable permitted 1n on
38. isc HP 91225 1 3 6kg 8 5 lbs 76 mm 2 99 in 285 mm 11 2 in 325 mm 12 8 in HP IB MFM 600 RPM HP 9122D 2 4 5 kg 10 lbs 76 mm 2 99 in 285 mm 11 2 in 325 mm 12 8 in Track 79 Inside track 8717 BPI 135 tracks per inch 80 2 GENERAL INFORMATION Double sided Single sided Capacity Bytes Sector 256 512 1024 256 Sectors Track 16 9 5 16 Tracks 80 80 80 70 Data Tracks Available lt 154 gt 66 Access Time Track to Track Seek 15 ms track plus 42 ms settling Maximum Track to Track Seek 80 tracks 1242 ms Average Track to Track 447 ms Maximum Rotational Latency 100 ms Average Rotational Latency 50 ms Spindle Motor on time 400 ms Maximum Data Access Time Seek plus Latency plus Motor on time 1 742 Average Data Access Time 497 ms NOTE The HP 9122 disc drives spare four complete tracks and reserve two tracks for system use with double sided formats and spare four tracks in single sided format Power Requirements 86 125 volts or 195 250 volts 67 watts RMS 94 voltamps 50 60 Hertz Fuse 250 for 115V setting 5A 250 for 230V setting Environmental Specs Operating Limits Temperature 10 to 40 C 50 to 104 F Humidity 20 to 80 with maximum wet bulb temperature non condensing not to exceed 29 C 85 Altitude 0 to 4572 m 0 to 15 000 ft Non operating Limits Storage and Transit Temperature 40 to 60 C 40 to 140 F Altitude 304
39. lf tests 3 Not being able to read or write data on media 4 Intermittent failures Cause The new plastic shipping disc HP part number 1535 4881 used in this drive may become partially ejected due to shock of shipment When the shipping disc becom es ejected without first pressing the eject button the cassette up assembly is still in the head load position Since the heads are then loaded incorrectly on the shipping disc vibration and shock can easily damage the heads Other damage could occur if the customer perceives that the shipping disc although slightly ejected s ready to install or remove from the drive When the disc or media is installed or ejected without first pressing the eject button to unload the heads head damage can occur This damage may be either loosening of the top head caus ing failures at a later date or tearing out the top head completely causing a DOA It is also possible for media to become partially ejected from the mechanism due to shock and vibration The same cautions regarding removal and insertion of partially ejected shipping discs also applies to media RP 9 23 85 jof2 6 7 HEWLETT PACKARD FOR MORE INFORMATION CALL YOUR LOCAL HP SALES OR SERVICE OFFICE or East 201 265 5000 Midwest 312 255 9800 South 74 955 1500 West 213 970 7500 415 968 9200 OR WRITE Hewlett Packard 1820 Embarcadero Palo Alto California EUROPE CALL YOUR LOCAL HP SALES or SERVICE OFFICE OR WRIT
40. ll clear the button Tilt the rear of the cover upwards and carefully remove the cover in a forward direction Assembly is performed in the reverse order while depressing the power switch button through the front panel hole LEVEL NNNNNNNNNN NN ND DN REFERENCE DESIGNATOR Al 11 12 C19 C10 C17 22 23 TEMP C31 46 C4 5 8 C25 26 9 18 27 30 C24 C1 20 21 C2 3 15 16 C6 7 NOTE When installing drives for units having a S N prefix of 2614A and above the controller or the disc drive cable P N 09123 61611 ensure that the disc drive cable is placed between the drive and the controller Also all star washers removed during disassembly must be reinstalled These steps will ensure that the 9122D S will conform to all the relevent FCC VDE requirements for electromagnetic emission 9122D S PARTS LIST PART DESCRIPTION NUMBER 09122 69511 CONTROLLER PCA 0160 3622 C F JUF 100V 0160 4574 C F 1000PF 10 0160 4805 C F 47PF 5X 100V 0160 4830 C F 2200PF 10 0160 4831 C F 4700PF 10 0160 4832 C F 1 10 0160 4835 C F 1UF 10 50V 0160 5093 C F 22UF 10 0160 5349 200PF 5 0180 0210 C F 3 3UF 15V 0180 0291 C F 35V 10 0180 0692 C F 220UF 35V AL 0180 3007 C F 015F 25V AL 0180 3260 C F 6800UF 50V Assembly Access LEVEL REFERENCE DESIGNATOR 13 14
41. mage the drive Implementation will use up all old cardboard shipping discs No action on FSI because the old cardboard shipping discs can used on either drive Use up all FSI before using new shipping discs 06 20 85 5800 9320 4766 1 83 HEWLETT PB PACKARD FOR MORE INFORMATION CALL YOUR LOCAL HP SALES OR SERVICE OFFICE or East 201 265 5000 Midwest 312 255 9800 South 404 955 1500 West 213 970 7500 or 415 968 9200 OR WRITE Hewiertfackard 1820 Embarcadero Palo Alto California 94303 IN EUROPE CALL YOUR LOCAL SALES or SERVICE OFFICE OR WRITE Hewlett Packard S A 7 rue du Bois du Lan P O Box 1217 Meyrin 2 Geneva Switzerland IN JAPAN Yokogawa Hewiett Packard Ltd 1 27 15 Yabe Sagarnihars City Kanagawa Prefecture Japan 229 1983 Hewlett Packard Company Printed in U S A 9122D 6 SERVICE NOTE Supersedes APPLIES All Units X Only Units on Agreement Immediately At PM Normal Call 3 1 2 In Double Sided Floppy Disc On Failure Information Only X Drive WARRANTY EXTENDED LABOR Serial number PARTS All TRAVEL Return for Update Use as is Top Head Damage of the Drive Return for Salvage See Text X Mechanism HP part number 09114 69511 WARRANTY EXTENDED UNTIL Situation Top head damage is occuring on the Sony drive mechanism 09114 69511 used in this unit This top head damage could cause 1 Scratching of media 2 Failing se
42. ng disc used on the slim line drive 09123 69101 or 9122D s with serial number prefix 2614A and above 5 PCE and will stock the new shipping discs and will use the old discs and wedges until gone There will be NO upgrade users must purchase the shipping discs if needed HEWLETT Y PACKARD MORE INFORMATION CALL YOUR LOCAL HP SALES OR SERVICE OFFICE or East 201 265 5000 Midwest 312 255 9800 South 955 1500 West 213 970 7500 or 415 968 9200 OR WRITE Hewlett Packard 1820 Embarcadero Palo Alto California IN EUROPE CALL YOUR LOCAL HP SALES or SERVICE OFFICE OR WRITE Hewlett Packard S A 7 rue du Bois du Lan P O Box CH 1217 Meyrin 2 Geneva Switzerland IN JAPAN Yokogawa Hewlett Packard Ltd 1 27 15 Yabe Sagamihara City Kanagawa Prefecture Japan 229 1983 Hewlett Packard Company Manual Part Number 5957 6559 Edition 2 PACKARD 20488
43. not complete Service Format Will pass Service Format Test All tracks may not be Test on good unit formatted Warranty 5 no customer operations are affected no warranty or F S I action is required All other operations are unaffected KK tm 5 9 85 5800 172 packar FOR MORE INFORMATION CALL YOUR LOCAL HP SALES OR SERVICE OFFICE or East 201 265 5000 Midwes 312 255 2800 South 404 955 1500 West 213 970 7500 or 1415 968 3200 OR WRITE Hewiett Packard 1820 Embarcadero Palo Alto California 94303 IN EUROPE CALL YOUR LOCAL HP SALES or SERVICE OFFICE OR WRITE Hewlett Packard S A 7 rue du Bois du Lan P O Sox CH 1217 Meyrin 2 Geneva Switzerland IN JAPAN Yokogawa Hewiett Packard Ltd 9320 4766 1 83 1 27 15 Yabe Sagamihara City Kanagawa Prefecture Japan 229 1983 Hewlett Packard Company Printed in U S A 9122D 4 SERVICE NOTE SUPERSEDES All Units 8 Only Units on Agreement 5 immediately X At PM On information Oniy 91220 Dual Drive WARRANTY EXTENDED NORMAL LABOR 09122 69501 Controller Power Supply PARTS Date Code 2513 and Earlier TRAVEL Serial Numbers NA SERVICE Return for uodate amp Use asis C INVENTORY Return for saivage O See text C WARRANTY EXTENDED UNTIL Symptom Controller Power Supply PNO9122 69501 generates noise which can affect the read amplifier of some 3 5 Inch
44. r prefixes Figure 2 5 Controls and Indicators 2 4 Installat on Media Monitor Through a feature called Media Monitor the disc drive automatically monitors the cumulat ve use of each individual disc When the usage of a disc is approaching a level at which there s a risk of loss of data through normal disc wear the disc access light on the front panel bl nks and a clicking sound 15 heard Commands will still be performed by the computer However after command has been performed the disc drive immediately resumes the warning indication When the Media Monitor warning occurs immediately copy your disc If you continue to use this disc the disc drive will eventually automatically write protect the disc After that time you will only be able to read data from the disc or copy the disc Power on Selftest power on selftest is performed automatically when you turn on the disc drive The selftest first checks the HP IB FDC RAM and ROM followed by a WRITE READ test if an initialized non write protected disc is inserted When a WRITE test 15 performed it 15 done on a reserved area of the disc and no user data is at risk The Selftest LED acts as a pass fail indicator and is visible through the air intake slots When an initialized unprotected disc is inserted read write and motor speed tests are performed write protected disc will not allow the read and write tests to run If the disc access light stays on after t
45. ring the cleaning Power on selftest The power on selftest tests the ROM FDC HP IB chips and performs a seek test checks the track 0 detector on each drive if no is installed in the 9122 In addition if media 15 installed in the drives a motor speed test is performed checks the time between index pulses If the media is formatted in a double sided format and not write protected a write read test is also performed on the system cylinder which does not affect any user data The write read test is not performed if the disc is in singlesided format Troubleshooting Procedures tests specified in the following procedures should be performed using HP double sided media ONLY e f an HP 85 and the 55 80 Exerciser P N 5010 0310 are available it is recommended that the Exerciser be used to diagnose the failure and verify a repair See information on use of the 55 30 Exerciser on page 4 11 4 6 TROUBLESHOOTING Internal service diagnostics in the 9122 are referenced by Test in the following procedures Refer to pages 4 4 and 4 5 for information on the tests and how to perform the tests SYSTEM TROUBLESHOOTING POWER ON POWER ON SELFTEST W O MEDIA PASS NO SELFTEST YES SELFTEST INDICATOR ON AT POWER ON TROUBLESHOOT PER PO TROUBLESHOOT PER P1 NO TROUBLESHOOT PER P2 YES POWER ON SELFTEST W MEDIA HAS 91225 NO CORRECT EVER
46. t available otherwise and also provides more 22 formation about the 9122 than is otherwise available Specifically the Exerciser provides the capability to transfer data and commands between a host computer and the peripheral and to performs certain tests which cannot be implemented in any other way Please refer to the SS 30 Exerciser manual P N 5958 4142 for an overview of the capabilities contained in the Exerciser Some general testing solutions which can be implemented using the Exerciser are as follows HP IB channel test The LOOPBAK test in the MANUAL module tests the capability to communicate with the product across the HP IB Testing for R W The R W TEST module allows either a Read Only or a Write then errors Read test to be performed on a single unit This test can be set to loop up to 32K times and allows extensive testing to identify a problem or verify a repair General product The R W TEST module provides capability to perform general evaluation product testing and is recommended for this use Flexible disc The SERVC module contains special flexible disc drive tests Motor tests speed Track 0 Head cleaning routine etc Complete product The OPER program provides the capability to test all units and volumes evaluation of a disc drive without manually selecting each one An OPER program can be defined which will select each unit and volume and then per form a locate and verify locate and read locate and write etc
47. ting unless it appears as a prior update the edition does not change when an update is incorporated A software code may be printed before the date this indicates the version level of the software product at the time the manual or update was ssued Many product updates and fixes do not require manual chang es and conversely manual corrections may be done without accompanying product changes Therefore do not expect a one to one correspondence between product updates and manual updates o MM A E JUNE 1984 Edition css te das era io APRIL 1988 Contents Chapter 1 Page General Information 1 1 Introduction A A A 1 1 SPECIFICATIONS A Be aaron es 1 1 Power Requirements IM 1 2 Environmental Specs des c CLE l 2 Equipment Supplied AI MO A A O hee 1 3 Unpacking the HP 9122D 5 Disc rs RR 1 3 Cleaning the Casei A N A A MAR 1 4 Chapter 2 Page Installation 2 1 POWEE ale en en a PUR DOR SM 2 1 Setting The Line Voltage Select Switch ls sei ns 2 1 A ee A e aa 2 1 Power Cords ae ee ea 2 1 Selecting the Device Address
48. to 15240 m 1000 to 50 000 ft GENERAL INFORMATION NOTE The flexible disc in the HP 9122 disc drives s designed for operation in a typical office environment Use of the equipment in anenvironment containing dirt dust or cor rosive substances will cause the flexible disc drives and medium life to be drastically reduced Equipment Supplied The following equipment 15 supplied with each HP 9122 disc drive Description Quantity HP Part Number AC Power Cord Dependent on location Operator s Manual 1 09122 90020 Disc Shipping Disc 1 1150 1786 A package of ten discs product number 92192A is available from DMK Unpacking The HP 91 22D S Disc Drive The disc drive was carefully inspected before shipment Remove the unit from the shipping carton and carefully inspect the unit for any physical damage that may have occurred during shipment If you find any damage you should immediately notify the dealer and file a claim with any carriers involved CAUTION The disc drive is a precision instrument Mechanical shock can misalign the read write head resulting in read errors and or damaged discs whether the disc 1s operating or not When moving the disc unit care must be taken to prevent ex cessive shock Install the shipping disc P N 1150 1786 for half height drives and 1150 1787 for full height drives before moving it to another location If you do not have the parts metioned they may be purchased from Hewlett Packar
49. to be performed Note Scratch discs should be used as some tests destroy the data and format 3 Set the HP IB ADDRESS switch SW 3 to the desired test number see figure 4 3 4 Short the TEST jumper pins 17 see figure 4 1 or 4 2 with a jumper to start the test LEAVE SHORTED TO LOOP ON THE SELECTED TEST When a selftest is initiated the HP 9122 leaves its normal peripheral mode and enters the diagnostic test mode The LED blinks to show that the LED works The results of a successful test are displayed by the FAULT LED blinking A failure causes the LED to stay on Results are displayed for five seconds after a test is completed followed by a complete power up sequence Q L a 7 TEST 8 BINARY SELECTED Figure 4 3 Rear view of HP 9122 disc drive 4 5 TROUBLESHOOTING Troubleshooting Procedures This section 1s divided into General information a troubleshooting flowchart procedures called out in the flowchart and information on ir terpreting error codes obtained as well as use of the SS 30 Exerciser Fault Isolation Procedures The following procedures will help to quickly and accurately determine which field replaceable assembly 15 defective f a failure occurs General Information If a flexible disc is damaged by a drive inspect the HP 9122 to determine which drive 15 causing damage The drive heads are visible through the media slot Replace any drive mechanism which 15 determined to be d
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