HardDriveInfo
schlae
Repair info and schematics for mostly older MFM hard drives
Components (111)
| Reference | Value | Description |
|---|---|---|
| Q1 | BC859 | |
| Q2 | 2SD1760 | |
| Q3-Q5 | IRFD110 | |
| Q6 | BC846A | |
| 1D1 | 74LS14 | |
| 1E1 | 7406 | |
| 1F1,2F1 | 74LS74 | |
| 2B1 | 11647-502 | |
| 2D1 | 74F138 | |
| 2E1 | 74F10 | |
| 3A1 | R6518 | |
| 4A1 | 27C32 | |
| 4H1 | 11738-002 | |
| 6A1 | SSI296 10206-501 | |
| 6B1 | 74LS373 | |
| 6C1 | 74LS273 | |
| 7C1 | 11782-501 | |
| 7E1 | 11468 | |
| 7F1 | 10223-502 | |
| 8F1 | 11744-502 | |
| 10E1 | 10188-501 | |
| 10F1,10H1,11F1 | 11721-501 | |
| 11E1 | 10189-502 | |
| C1,C2,C9,C11,C12,C16,C28,C30,C32,C33,C40,C42,C45-C50,C52-C56,C60-C62,C66,C68,C70,C72-C74 | 0.1uF | |
| C3,C8,C22,C24,C35-C37 | 0.01uF | |
| C4,C13,C21,C41 | 100pF | |
| C5 | 0.068uF | |
| C6,C57,C58 | 18nF | |
| C7 | 0.012uF | |
| C10,C67 | 22pF | |
| C14 | 330pF | |
| C15,C71 | 0.015uF | |
| C17 | 0.27uF | |
| C18 | 39nF | |
| C19 | 1000pF | |
| C20 | 150pF | |
| C23 | 68pF | |
| C25,C26,C34,C38 | 47pF | |
| C27,C44,C51,C64,C65 | 22uF 25V | |
| C29 | 4.7uF 35V | |
| C31 | 15pF | |
| C39 | 10uF 25V | |
| C43 | 6.8uF 25V | |
| C59,C69 | 10uF | |
| C63 | 1uF 35V | |
| CR1,CR5,CR6,CR8 | BL9 | |
| CR2 | 1N4002 | |
| CR4 | BZX84C5V1 | |
| CR7 | P6KE13 | |
| D1 | BAS16W | |
| DS1 | LED_Small_Filled | |
| J1 | control | |
| J2 | data | |
| J3 | POWER | |
| J4 | SPINDLE | |
| J5 | STEPPER | |
| J6 | HEADS | |
| J7 | CONFIG | |
| JP1 | Conn_01x03 | |
| JP2,JP4 | Jumper_2_Open | |
| JP10,R33 | 0 | |
| JP11,R82 | DNI | |
| L1,L2 | 22uH | |
| L4,L5 | 2.2uH | |
| L6,L7,L11,Langle1 | 10uH | |
| L8 | 2.7uH | |
| L9,L10 | 39uH | |
| R1,R31,R57 | 1.62K | |
| R1B1,R9,R43,R47,R48,R67,R67B1,R68,R68B1,R81 | 5.1 | |
| R2 | 2.43K | |
| R3 | 64.9 | |
| R4,R25 | 100 1% | |
| R5,R40,R60 | 20K | |
| R6 | 330 | |
| R7 | 220 | |
| R8 | 47.5 1% | |
| R10,R12,R13,R19,R35,R44,R58,R59,R70,R71 | 3K | |
| R11,R41,R63 | 100 | |
| R14-R18,R20,R36-R39,R54,R62 | 1K | |
| R21 | 511 1% | |
| R22,R23 | 162 | |
| R24 | 357 | |
| R26,R27 | 499 1% | |
| R28 | 10 1% | |
| R29 | 1.82K 1% | |
| R30 | 2.61K | |
| R32 | 14.7K 1% | |
| R33B1 | 8.87K | |
| R34 | 2K | |
| R42,R45,R52,R53,R66 | 10K | |
| R46 | 1.3K | |
| R49 | 220K | |
| R50 | 38.3K 1% | |
| R51 | 17.4K | |
| R55 | 10K 1% | |
| R56 | 100K | |
| R61 | 1.3K 1% | |
| R64 | 47.5K | |
| R65 | 1M | |
| R69 | 475 | |
| R72 | 22.1 | |
| R73,R79 | 3.01K | |
| R74 | 909K | |
| R75 | 19.6K | |
| R78 | 51 | |
| R80 | 26.1K | |
| R87 | 750 1% | |
| RN1 | 220/330 | |
| TP1-TP6 | 1/2 STEP | |
| TP8 | Jumper_2_Bridged | |
| Y2 | Crystal_Small |