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Содержание RFD2000-A

Страница 1: ...n manual printings are listed in an addendum at the rear of the manual As a convenience a list of change pages is given as the last page in the manual It is recommended that each of these pages be mar...

Страница 2: ...ht 1979 by REMEX A Unit of Ex Cell 0 Corporation Printed in the United States of America All rights reserved This book or parts thereof may not be reproduced in any form without permission of the publ...

Страница 3: ...tive has been returned to and inspected at the Seller s plant Replacements shall be furnished under this warranty F O B Buyer s plant and the Seller shall not be responsible for installation costs For...

Страница 4: ...on of this manual and note carefully the WAKiHIfM j J Qncj contained therein CAUTION The equipment described in this manual contains voltages hazardous to human life and safety and may contain mechani...

Страница 5: ...PMENT WARRANTY 1 3 SPECIFICATIONS 1 3 DISKETTE 1 5 RECORDING FORMAT 1 5 MAINTENANCE AND RELIABILITY 1 5 DESIGN LIFE 1 5 RECOVERABLE READ ERROR 1 5 NON RECOVERABLE READ ERROR RATE 1 5 ACCESS POSITIONIN...

Страница 6: ...ite Error 3 8 Read Error 3 10 Seek Errors 3 10 RFD4001 FEATURES 3 11 DATA SEPARATOR 3 11 SECTOR OUTPUT 3 11 FACTORY INSTALLED OPTIONS 3 11 CUSTOMER INSTALLED OPTIONS 3 13 SIDE SELECTION UTILIZING DRIV...

Страница 7: ...PTION 3 20 3 6 16 DATA SEPARATION OPTION SELECT MODEL RFD4001 ONLY 3 20 IV THEORY OF OPERATION 4 1 4 1 BLOCK DIAGRAM DESCRIPTION 4 1 4 1 1 DISKETTE DRIVE MECHANISM 4 1 4 1 2 HEAD POSITIONING MECHANISM...

Страница 8: ...ion Select RFD400X ONLY 4 18 Door Lock Latch 4 18 Write Protect Optional Use 4 19 5 Volt Option 4 19 Data Separation Option Select Models RFD4001 and RFD2001 Only 4 19 MAINTENANCE 5 1 GENERAL 5 1 MAIN...

Страница 9: ...CEMENT RFD200X ONLY 5 15 PARTS REPLACEMENT 6_1 GENERAL 6_1 PRINTED CIRCUIT CARD REPLACEMENT 6 2 MOTOR DRIVE BELT REPLACEMENT 6 2 DRIVE MOTOR ASSEMBLY REPLACEMENT 6 2 HUB PULLEY REPLACEMENT 6 3 INDEX L...

Страница 10: ...ding 2 10 3 1 Power Up and Seek Sequence 3 4 3 2 Diskette Insertion 3 5 3 3 Read Sequence Operation 3 7 3 4 Write Sequence 3 8 3 5 General Read and Write Sequences 3 9 3 6 Data Separator Timing 3 12 3...

Страница 11: ...Adjustment 5 11 5 3 3 4 Cell One Shot Adjustment RFD4001 5 12 5 4 Diskette Load Arm Adjustment 5 14 7 1 Exploded View of RFD4000 7 23 7 24 7 2 Top View RFD4000 7 25 7 3 Bottom View with P C Card Remo...

Страница 12: ...nd Maintenance Procedures 5 3 5 3 Troubleshooting Chart 5 5 7 1 Recommended Spare Parts List RFD400X 7 2 7 2 Recommended Spare Parts List RFD200X 7 3 7 3 Parts List RFD400X 814080 XXX and RFD400X 8140...

Страница 13: ...electronic functions The RFD4000 and RFD4001 are identical except the RFD4001 provides for data and clock separation from the data stream The RFD2000 is identical to the RFD4000 except data is recorde...

Страница 14: ...the drive address without physically removing the drives and interchanging them Unit select line features allows bussing of up to four drives on a ribbon cable The heads are ceramic and are positione...

Страница 15: ...rd is factory wired It should be noted in those options that use the same traces and or alternate I O pins only one option can be installed 1 2 MAINTENANCE EQUIPMENT REQUIRED BUT NOT SUPPLIED The main...

Страница 16: ...ss Time 3 ms track to track 15 ms settle 91 ms average including settling Head Load Time 35 ms Motor Start Time 2 sec Media IBM Diskette 1 one side operation only 2 2D Error Rate y Read Error Rate Rec...

Страница 17: ...les of data formatting Figure 1 4 shows the IBM track format Figure 1 5 shows a recording format using index recording Figure 1 6 shows a sample format used with MFM encoding A discussion of MFM encod...

Страница 18: ...I on a s2 5 up l PiCi TYP F IKSlQC 4 63 2 02 ON o o Ifl 7 47 Pb b t lxZt VP 4 PLCS 2S Ol M W 00 l PLACED Figure 1 2 Installation Drawing Models RFD4000 RFD4001 RFD2000 and RFD2001...

Страница 19: ...DISK Tj INDEX HOLE IN JACKET BOTH SIDES 3 ALL DIMENSIONS ARE 010 INCH UNLESS OTHERWISE INDICATED 4J CENTER OF MOUNTING HOLE TO CENTER OF INDEX HOLE IS 1 500 002 INCH MOUNTING HOLE IN JACKET BOTH SIDE...

Страница 20: ...11 6 FF 00 22 12 4E 00 22 12 4E 00 22 12 4E 00 DATA MARK 1 FB 3 CLOCK C7 1 FB 3 CLOCK C7 1 FB 3 3 1 Al 2 FB 3 3 1 Al 2 FB 3 3 1 Al 2 FB 3 DATA 1 28 B 1 255 C4 5E 1 511 C4 5E 256 40 512 40 1024 40 CP...

Страница 21: ...331 Bits Figure 1 5 Recording Format Using Index Recording 5 2 mi M SYNC PREAMBLE J L_ 4 096n 32ai DATA CRCC POSTAM61E fl2 jt MMC 590 Figure 1 6 Preamble 7 words 00 16 8th word AAi AAi 7 5 words 00i6...

Страница 22: ...Bytes Data N Bytes 8 Sector Data N 593 Bytes Track and Sector 2 Bytes 4 Sector Data N 1237 Bytes CRC 2 Bytes 2 Sector Data N 2488 Bytes Guard 1 Byte Records Track Bits Record Bits Track Bits Disk 77...

Страница 23: ...t identification It includes a basic model series number which is followed by a virgule and then a six digit number and finally a three digit dash number The model number is used to code and identify...

Страница 24: ...ith Data Separator 100 115VAC 50Hz Basic Drive with Data Separator 115VAC 60Hz Basic Drive with Data Separator 220VAC 50Hz RFD2000 814225 001 Basic Drive 115VAC 60Hz RFD2001 814225 003 Basic Drive wit...

Страница 25: ...ITE HEAD OPENING 2 3 DIA OPENING FOR DRIVE HEAD PLASTIC ENVELOPE 1 5 R INDEX HOLE MMC 419 1 5 DIA REGISTRATION OPENING TRACK 00 TRACK 76 8 DIA Figure 1 8 Single Sided Storage Element Physical Dimensio...

Страница 26: ...ed to operate in three planes horizontal front load vertical front load and vertical top load Threaded holes in the main frame sides are provided for either slide or fixed mounting See Figure 1 2 It s...

Страница 27: ...ated in Figure 2 2 Table 2 1 gives the recommended mating connectors for Jl J8 and J5 Table 3 1 describes the interface signals Figure 2 3 gives recommended interface circuits The mating connectors ar...

Страница 28: ...4 33 34 Direction Select 35 36 Step 37 38 Write Data 39 40 Write Gate 41 42 Track 00 43 44 Write Protect 45 46 Read Data 47 48 Separate Data RFD4001 and RFD2001 Only 49 50 Separate Clock RFD4001 and...

Страница 29: ...s Pin numbers are shown for J8 Pin numbers for Jl and J5 can be read on the component side of the circuit card 7407 7 7 7mj 5V Max 10 Feet Ribbon or 22CU Twisted Pair Cable _ TTL 7414 3301a r Figure 2...

Страница 30: ...mends either the modified frequency modulation MFM or the modified frequency modulation M2FM be used with the diskette drives Discussion in this section will be confined to techniques only 2 5 1 DOUBL...

Страница 31: ...equency encloding i e 250 kHz MFM encoding is 100 efficient because of a 1 for 1 relation ship between the flux changes per inch and the bits per inch recorded on the diskette Double frequency encodin...

Страница 32: ...ting for certain data patterns The data patterns with large bit shift tendencies are X011X X110X X0001X X1000X an X denotes either a 0 or 1 can be in that digit These data patterns will have bit shift...

Страница 33: ...t 1 i i i o I bit shift 1 bit shift 1 MMC 587 Figure 2 7 Expected Bit Shift on Read Back Data 1 150ps j 0 850ps j 1 1 1 o I U 1 850ms 1 n 1 t i _I_L 0 150 s 10 MMC 588 Figure 2 8 Precompensated Write...

Страница 34: ...over Windows l i i i i lys I i Decoded Read Data MMC 589 Figure 2 9 Data Recovery Timing 2 5 3 MFM FORMAT DESCRIPTION Modified modified frequency modulation M FM also provides a 1 for 1 realtion ship...

Страница 35: ...JUl iL_n_n_R 1 1 1 1 MMC 670 Figure 2 10 M FM Encoding 2 10 112670 103A...

Страница 36: ...drive Also included are some suggested soft ware procedures for handling error conditions which might occur during writing or reading operations 3 3 1 POWER UP MODE Applying AC and DC power to the dri...

Страница 37: ...gnal will be active If Side 1 of a single sided diskette is selected this signal will be inactive When either side of a two sided diskette is selected this signal will be active Jl 23 24 Sector Output...

Страница 38: ...clock signal which has been separated out of the composite data Jl 46 This signal is low active for 200 20 nanoseconds for each clock pulse J8 1 2 3 A C Input 100 115 VAC 10 50 60 Hz 0 5 Hz 0 8A or op...

Страница 39: ...rials which might become magnetized Strong magnetic fields can distort recorded data on the disk d Replace storage envelopes when they become worn cracked or distorted Envelopes are designed to protec...

Страница 40: ...iskette is inserted with the index hole nearest the operator and the diskette label on the same side as facing the door See Figure 3 2 Drives are equipped with a unique operator interlock to prevent d...

Страница 41: ...e step pulse appears The minimum width of the step signal is lysec 3 3 6 SIDE SELECTION RFD4000 AND RFD4001 ONLY Applying a low OV signal to Jl 14 selects side 1 surface for reading or writing or appl...

Страница 42: ...dent of head load to allow for head step settling time c Place the Write Gate input at Jl 40 in the low true state d Select the desired side by performing Section 3 3 6 RFD4000 and RFD4001 Only Apply...

Страница 43: ...are necessary for correct operation 3 3 10 ERROR DETECTION AND CORRECTION 3 3 10 1 Write Error If an error occurs during a write operation and is detected on the next revolution by doing a read operat...

Страница 44: ...if 600jjs MIN 600us J MIN I i_n_r U IOQws MIN if 4jusMAX i_rLr TJ AFTER APPLYING DRIVE SELECT SIGNAL A 35ms MIN DELAY MUST BE PRESENT TO ALLOW FOR HEAD SETTING TIME A 15ms DELAY MUST BE PRESENT IF STE...

Страница 45: ...t errors 1 Reread the track 10 times or until such time as the data is recovered 2 If data is not recovered after using Step 1 access the head to the adjacent track in the same direction previously mo...

Страница 46: ...ls RFD4001 and RFD2001 provide a separate output for the sector signal on Jl 28 This line becomes active 32 times per revolution when used with a 33 hole diskette In addition the index line at Jl 20 b...

Страница 47: ...r 200 ns IT ONE SHOT J 2 9 2 9 ju sec CLOCK u u u DATA u I MMC425 Figure 3 6 Data Separator Timing INDEX U 0 45 ms SECTOR 2 6ms l 5 2ms 166 7ms J i A J s u 0 45r MMC 583 Figure 3 7 32 Sector lndex Ti...

Страница 48: ...ent drives This can only be used in systems containing no more than two drives It is implemented by moving jumper S2 to S3 see Figure 3 9 and adding a jumper at DSn see Figure 3 9 where n n 1 2 3 or 4...

Страница 49: ...I J O I I 1 o Figure 3 8 Trace and Jumper Locations for DL WP NP RI RR S A I X B A HL Z DS Y...

Страница 50: ...5V 15V Figure 3 9 Trace and Jumper Locations for 2S DC C D TS FS DS1 DS4 1B 4B S1 S3 112670 103A 3 15...

Страница 51: ...from Drive Select X WP Inhibit Write When Write Protected X NP Allow Write When Write Protected X D Alternate Input In Use X DL Door Lock Latch Option X A B X Shunt 5E Radial Head Load X C Alternate I...

Страница 52: ...or as its Index and Sector output lines thereby eliminating steps b c d and e The remaining drives must incorporate all five steps and use pins other than 20 and 24 3 6 4 TWO SIDED STATUS OUTPUT RFD40...

Страница 53: ...a jumper at trace C see Figure 3 8 A delay of 35 ms is required after the Head Load signal is applied and before Read data is valid or before the Write Gate and Write Data signals can be applied 3 6 9...

Страница 54: ...ribed for Jl 14 The following steps are required for installation of this option a Remove the jumper at trace S2 see Figure 3 9 b Install the jumper at trace SI see Figure 3 9 3 6 13 DOOR LOCK LATCH T...

Страница 55: ...power supply install jumper trace 5V see Figure 3 9 3 6 16 DATA SEPARATION OPTION SELECT MODEL RFD4001 ONLY For FM applications using IBM soft sector missing clocks format with jumper at trace TS the...

Страница 56: ...M Some early drives use the 113949 001 shaded pole motor assembly Later drives use either the 114166 001 or 114167 001 synchronous motor assembly depending upon the voltage and frequency By changing t...

Страница 57: ...DRIVE SELECT LOGIC ZIG 24E Z6E Z7B ORIVE SELECT INTERNAL DRIVE SELECT INTERNAL STEP MOTOR ENAE LE STEP MOTOR PHASE I STEP MOTOR PHASE 2 TRACK 00 LOGIC Z2G WRITE PROTECT LOGIC Z2G AND INDEX SECTOR REA...

Страница 58: ...ite Erase Circuits require enabling by the Write Gate and when the Write Data is applied causes the write current WC to pass through the selected head The Low Current input is used for tracks 44 76 to...

Страница 59: ...andard units Card 113971 001 is used on the RFD4000 and RFD2000 and the 113971 002 is used on on the RFD4001 and RFD2001 The two units are identical except that the RFD4001 and RFD2001 provide for dat...

Страница 60: ...FD400I ONLY Z5C Z6C Z6D FM SEPCLK FM SEP DATA LOW CURRENT LOW CURRENT CONTROL LOGIC ZSB H76 CRIO WRITE GATE READY WRITE PROTECT DRV SEL INT WRITE GATE Z4E H8B WRITE DATA WRITE LOGIC Z6G Z7G WRITE AMP...

Страница 61: ...o the TS configuration the circuit will separate exactly as the data is read The 2 7 ysec Z5C one shot and the Z6D and Z6C counter are used in this configuration The portion described for the FS conne...

Страница 62: ...VTPIJP2 v Z9B 3 x J SEP CLOCK 11 Z9C 5 6 jK Z9B 8 25C 7 Z7D II Z7D 6 Z7C II Z9B II SEP DATA k 2 9psec U ir MMC686 Figure 4 3 Read Circuit and Data Separator Timing Diagram 112670 103A 4 7...

Страница 63: ...r changeability between diskettes and drives The erase gaps are located 0 036 behind the read write gap The erase current must be turned on shortly after write data is present Cir cuits controlling th...

Страница 64: ...is reset and goes low Z3B is turned off at pin 11 and turned on at pin 4 Current flow through the Step Motor Phase is now reversed coming from Z4B 15 through the resistor and winding and CR18 and int...

Страница 65: ...s gated with output of gate Z1E 13 which is composed of either the Q output from the Side 1 F F from Z3F 5 or the Side 1 signal to give the true positive signal at ZlE 10 This signal is further gated...

Страница 66: ...levels This signal is inverted at Z1F 8 and gated with the drive select signal at Z6A pins 1 and 2 and sent to the output at Jl 44 The signal stays at OV until the jacket is removed 4 2 7 DISK CHANGE...

Страница 67: ...nctions can occur the particular drive must be selected The signal from the inverter at Z6E 8 is gated at Z4E pins 9 10 and 11 with the Door Closed signal from the door closed F F Z2F 8 This causes Z4...

Страница 68: ...it as described in Sections 4 2 1 thru 4 2 12 4 2 13 1 Side Selection Utilizing Drive Select Lines During standard operation the drive select lines are used to select the particular drive number See S...

Страница 69: ...her the drive is selected or not 4 2 13 4 Two Sided Status Output Normally the drive is shipped with jumper 2S 5E2 installed which provides a Two Sided output at Jl 10 See Table 3 1 Removing the 2S ju...

Страница 70: ...ctor Circuits DRIVE 26 SELECT I DRIVE 18 SELECT 2 DRIVE r 3Q SELECT 3 ORIVE 32 SELECT 4 HEAD LOAD MMC676 Q3 Cggr 3 T r 00 5tb DS _ 2B 4Br C KEY 04 5E Ch b a rVfHR 5 r SEL 5E 5V R66S LJ S DS STEP MOTOR...

Страница 71: ...per DS is installed Enable line to be activated by the Drive Select Int across C connects the head load circuit to Jl 18 motor is enabled at the drive to be selected and accomplished by cutting and st...

Страница 72: ...talled at C to connect the head load circuit to Jl 18 4 2 13 9 In Use Alternate Input Normally the drive is shipped with jumper D 6E7 removed To make use of the In Use input signal at Jl 16 jumper D i...

Страница 73: ...again be acti vated when a read or write command is required 4 2 13 11 Door Lock Latch In normal operation the door lock solenoid is activated from the head load circuitry via Z4F 8 6B3 and Z5G 10 6E3...

Страница 74: ...ied to J5 4 is between 7 to 16 Vdc and is subsequently converted to 5 Vdc by regulator Zl 4A7 To allow the drive to operate directly from 5 Vdc Zl is bypassed by adding the 5V jumper 4A7 4 2 3 14 Data...

Страница 75: ...F F 3B5 and the Stepper Motor Counter 4D6 4D5 READ GATE 3E3 Read Gate Inversion of Write Gate signal when drive is selected and ready It is used in read operation to enable read detection circuit 2C4...

Страница 76: ...m Apex Machine and Tool Dayton Ohio These items not available from REMEX 5 2 MAINTENANCE PROCEDURES Under normal circumstances preventive maintenance is not required for the drive If severely dirty en...

Страница 77: ...ing RFD200X Only On the RFD200X only the head should be cleaned only when signs of oxide build up are present The following procedure is recommended Refer to Figure 7 1 for reference designations a Re...

Страница 78: ...Inspect for dirt and binding conditions Diskette Carrier Base Diskette loads into drive without inter ference and door latches correctly Inspect for cleanliness Procedure Clean all oil and dust if nec...

Страница 79: ...possible reason or reasons for the malfunction and Remedy the manner in which the malfunction may be corrected The equipment described in this manual contains hazardous voltages capable of inflicting...

Страница 80: ...place diskette 3 No data being written data pres ent from host equipment 1 Write protect disk ette being used 1 Check to make sure diskette is not write protected 2 Side Selected Wrong 1 Check to make...

Страница 81: ...is processing track location properly 2 Check to see that step circuitry is working when 0V is present at Jl 36 3 Head wasn t relocated at track 00 when power was turned on 4 Track 00 align ment not...

Страница 82: ...drive for rotating media and proper address at Jl 26 28 30 or 32 4 Step circuitry faulty 1 Check step circuitry for proper operation and replace card if required 5 Step motor faulty 1 Check step moto...

Страница 83: ...2A REMEX P N 716083 006 into the RFD400X or a Dysan 360 REMEX P N 716083 002 into the RFD200X b Select side on the RFD400X c Step the drive to track 38 and perform a read operation At track 38 J6 4 sh...

Страница 84: ...FD400X or a Dysan 360 into the RFD200X c Step to track 06 At track 06 J6 4 should be low and J6 5 should be high If not repeat step a d Monitor Track 00 Optical Switch at 2G 8 e Step to track 02 01 an...

Страница 85: ...TP15 Observe TPl and TP2 differ entially on the scope e The time period between the leading edge of the Index pulse and the occurrence of the first data pulse pulse shall be 200 50 microseconds See F...

Страница 86: ...to the drive Using an oscilloscope observe 2G 2 and insure that the signal reaches a peak of 3V minimum and has a rise and fall time of less than 300 i If the conditions of step b do not exist loosen...

Страница 87: ...lect side 1 f Remove the voltmeter leads 5 3 6 R27 3 4 CELL ONE SHOT ADJUSTMENT RFD4001 and RFD2001 ONLY The following adjustment sets the Z5C 3 4 one shot used only on the RFD4001 and RFD2001 a Inser...

Страница 88: ...s approximately 8 inches d Close the door and check to see that the carrier is in contact with the metal shim when the door is fully closed There should also be an end play of between 01 030 on Clutch...

Страница 89: ...iskette Load Arm 16 to the Diskette Load Bracket 17 and move the Load Arm until the conditions of step d are satisfied f Deenergize the solenoid and measure the rise in the Diskette Load Arm which sho...

Страница 90: ...t The following procedure is recommended Refer to Figure 7 1 for callout designations a Remove all power and control signals by disconnecting Pl Jl P5 J5 and P8 J8 b Loosen the Head Pad Cartridge MM I...

Страница 91: ...vel The warnings and cautions are included to protect personnel and equipment Notes are included to assist persons unfamiliar with the equipment Before attempting any pro cedure all instructions for t...

Страница 92: ...placement is the reverse of steps b and then a Before reapplying a c power manually rotate the pulleys to make sure the belt is properly installed on the pul leys 6 4 DRIVE MOTOR ASSEMBLY REPLACEMENT...

Страница 93: ...6 6 INDEX L E D ASSEMBLY REPLACEMENT The following procedure is recommended when replacing the Index L E D Housing assembly Refer to Figure 7 1 for letter and number designations a Remove all power to...

Страница 94: ...REPLACEMENT Many items on the carrier including the Diskette Brackets 9 10 Carrier Eject Assembly 11 12 13 portions of the Head Load Solenoid Assembly 16 17 18 Index Housing L E D Assembly 20 and Wri...

Страница 95: ...n conjunction with the Index L E D Housing Assembly 20 Refer to Figure 7 1 for letter and number designations The following procedure is recommended when replacing the Single Sided or the Two Sided Se...

Страница 96: ...placement is the reverse of steps c b and then a 6 12 HEAD LOAD SOLENOID REPLACEMENT The following procedure is recommended when replacing the Head Load Solenoid and Spring 18 Refer to Figure 7 1 for...

Страница 97: ...n Figures 7 2 through 7 4 are the same for the part illustrated in Figure 7 1 The reference designations include a figure number and a part designation number which appears on that figure to locate th...

Страница 98: ...Assembly Drive Top Assemblies 114166 001 1 7 814090 001 002 004 005 814256 001 002 004 and 005 Motor Assembly Drive Top Assemblies 114167 001 1 7 814090 003 006 814256 003 006 Motor Subassembly Steppe...

Страница 99: ...001 003 Only Motor Assembly Drive Top Assemblies 114166 001 1 7 814226 001 002 004 005 814258 001 002 004 and 005 Motor Assembly Drive Top Assemblies 114167 001 1 7 814226 003 006 814258 003 006 Moto...

Страница 100: ...acitor Codes 4 8 114165 001 1 2 Clamp Cable 715040 158 1 3 Clamp Guide Rod 113926 001 2 4 Clamp Head Cable Weckesser 1 8 4 715040 111 1 5 Carriage Subassembly 113946 001 1 6 Except for the items liste...

Страница 101: ...60 040 0620M Spring Eject Carrier Switch Assembly Write Protect Housing Switch Optical Decal Identification Door Latch Plate Assembly Door Pad Foam Arlon 7AN Neoprene Plate Latch Harness Assembly Flex...

Страница 102: ...stor 62 ohm 10W 701020 005 2 R1 R2 Main Frame Subassembly 114168 001 1 Bearing Lower New Hamp 714000 141 1 33 SFR1883PPK25 122 Bearing Upper Nippon Miniature 714000 125 1 34 R 4ZZRA3P15LG 20 Bracket A...

Страница 103: ...Subassembly Continued Pulley Hub Sensor Sensor Spring Switch Single Sided Assembly Two Sided Assembly Door Open SPDT Micro Switch Switch IDM79MNA6943 Pad Diskette Load Guide Rod Printed Circuit Card...

Страница 104: ...040 158 1 3 Clamp Guide Rod 113926 001 715040 111 2 4 Clamp Head Cable Weckesser 1 8 4 1 5 Carriage Sub Assembly 113946 001 1 6 Except for the items listed below the entire Carriage Sub Assembly shoul...

Страница 105: ...ssociated 714090 151 1 26 Spring Co C0360 040 0620M Spring Eject Carrier 113921 001 1 27 Switch Assembly Write Protect 114086 001 1 Housing 113918 001 1 28 Switch Optical 704214 014 1 29 Decal Identif...

Страница 106: ...Damper 113906 001 1 53 Motor Subassembly 113945 001 1 39 Plate 113928 001 1 54 Spring Damper 714090 161 1 55 Panel Assembly Front 114245 001 1 Except for the items listed below it is recommended that...

Страница 107: ...using 3 pin Amp 1 480700 0 Contact Connector Amp 60619 1 Contact Connector Amp 350550 1 Key Polarizing Amp 88113 1 Manual Kit of Parts RMF0021 Contents are identical to 114164 001 except delete manual...

Страница 108: ...ramic Disk Erie 805X5V103Z Capacitor 10 u f 12V Electrolytic Sptague Type TE Choke 33 jjH DINK 33 Choke 150 pH DINK 150 Connector 34 pin Amp 1 87230 7 Connector 6 pin Molex 22 12 2061 Connector 6 pin...

Страница 109: ...C Package 7400 I C Package NE592 I C Package NE556 704600 149 704600 141 704600 111 704600 101 704520 145 704520 134 2 2 1 1 2 2 2 2 1 3 2 2 Z6G Z8C Z5D Z6A Z4G Z9A Z7G Z7C Z7D Z9B Z9D Z9F Z2G Z3G Re...

Страница 110: ...00 ohm 1 4W 5 Resistor 15K 1 4W 5 L Resistor 43K 1 4W 5 Resistor 100 ohm 2W 5 Resistor 68 ohm 2W 5 Resistor Variable 50K 1 2W Spectrol 64W Resistor Variable 1 2W 57o Spectrol 53 1 1 Socket I C 16 pin...

Страница 111: ...f USED ON RFD200X ONIY ALTERNATE DRIVE MOTOR MMC690 Figure 7 1 Exploded View of RFD4000 112670 103A 7 23 7 24...

Страница 112: ...51 4 51 Figure 7 2 Top View RFD4000 112670 103A 7 25...

Страница 113: ...49 46 Figure 7 3 Bottom View with P C Card Removed 7 26 112670 103A...

Страница 114: ...v 11 SI lk JS PCI Figure 7 4 Bottom View with P C Card 112670 103A 7 27 7 28...

Страница 115: ...IC DRAWINGS 8 1 GENERAL Figure 8 1 sheet 1 contains the system schematic for the RFD200X and sheet 2 contains the overall schematic for the RFD400X Figure 8 2 contains the schematic for the Drive Card...

Страница 116: ...ta 6001 ohly ov U 4C Vi lh4G S I 1 1 V V 5 6 gWK WHT no GRY OSM K C TPSAOce d Ar 2M 2 t V t_k L E D C3R M g L U NK T UML SS GT Ed2 Ai SEs SP6eCll lfc H AD L AvO CT A JOlP V Q WHT giT2 V NJ M SATIVEl A...

Страница 117: ...P t c 4 V cw r JZE ViS lOVl STATUS FA 4 SN A B A A e A c __ c c C if Pa S 14 CO H 2 ct2 ij j S 2 15 14 4F 06 2 15 I 1 ICO ffffCT 4 PsL2_ ey_ Lj gY i t ifi rJi Kieo rck 2 4 a 7 s ic I 1 15 9 a IB 21 22...

Страница 118: ......

Страница 119: ...27 4 3T 7G t 2 lv VZAH S Z 9 41 CB C2 I2 IX S W Id vw f V R35 1 k i 13 1 VPI on C2C 2M 44CI 7 R ox 2N440I ov POWfcJZ UP as 7CS as 9 r i 3 7 I K I Vs C Vs c 7V 14 L R42 J 2 I I sfr NC ov VPI v isaus p...

Страница 120: ...on ti F5E tuar r 1 f MOTOR 24v 1 fay v j k V C4 V i 14 V r 3 M TC R F iASfe I I5 uhP 437 1 E 1 Dft J nwaT 4 0L 2 U P4c7 IIC Civ 4 KfcV PC7 S xa STEPPI K V I cpjla 03 PA R7 OF J 6 1 5F 14SI QAV J 1 cru...

Страница 121: ......

Страница 122: ......

Страница 123: ...7 24 The following replaces item 6 in the parts list for the RFD200X models Carriage Sub Assembly 114240 001 1 6 Except for the items listed below the entire Carriage Sub Assembly should be replaced a...

Страница 124: ...5 On pages 7 8 and 7 15 as part of Carrier Assembly 114248 001 the part number for Bracket Diskette Lift Left should be 113920 001 and for Bracket Diskette Lift Right should be 113920 002 112670 103A...

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