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vklachkov
Reverse engineering of portable floppy disk drive 2102 for GRiD Compass
| Reference | Value | Description |
|---|---|---|
| Q1 | 2SC2792 | T on case, probably Toshiba. |
| Q2 | 2SC2655 | 2A Ic, 50V Vce, NPN Transistor, TO-92MOD |
| U1 | D2732A-3 | EPROM D2732A-3, PDIP-24 |
| U2 | M58725P | SRAM M58725P, PDIP-24 |
| U3 | SN74ALS573 | 8-bit Latch 3-state outputs |
| U4 | P8051-400II | 8-bit Microcontroller with 4K Bytes Flash, DIP-40 |
| U5 | AMPAL16L8PC |
| Programmable Logic Array, DIP-20 |
| U6 | D8284A | Clock Generator and Driver for i8086/88 Microcontrollers, PDIP-18 |
|---|
| U7 | SN75160BN | Octal general-purpose interface bus transceiver, DIP-20 |
|---|
| U8 | 75161P,DS75161AN |
|---|
| U9,U10 | SN74LS540N | 8-bit Buffer/Line driver Inverter, 3-state outputs |
|---|
| U11 | AM25LS533PC | 8-bit Latch 3-state outputs |
|---|
| U12 | WD2797 | Floppy disk controller, DIP-40 |
|---|
| U13,U14 | 74LS109,74LS540 | 8-bit Buffer/Line driver Inverter, 3-state outputs,Dual JK Flip-Flop, Set & Reset |
|---|
| U15 | SN75452BP | Dual AND open collector |
|---|
| 110/1 | Slide DPDT | Slide Switch, dual pole double throw |
|---|
| A1 | TL431C | Shunt Regulator, TO-92 |
|---|
| C1 | 220nF,47nF,47uF | MCI; 224M; 100V,Polarized capacitor,Unpolarized capacitor |
|---|
| C2,C3 | 2200pF,47uF | Polarized capacitor,Unpolarized capacitor |
|---|
| C2,C19 | 47uF | Polarized capacitor |
|---|
| C4 | 2.2uF |
|---|
| C5,C6 | 10nF | 2J103K 3N,Trimmable capacitor, small symbol |
|---|
| C7,C8,C18 | 100uF | Polarized capacitor |
|---|
| C9,C12,D2-D5,D7,L1,L3,L4 | unk | Diode,Diode Shotky?,Ferrite bead,Inductor with ferrite core,OIK630; H A3, yellow package, axial leads,blue radial small capacitor,unknown component with D markin on silk; package similar to 1N4007; 2 stripes as marking; 0.45V drop |
|---|
| C10 | 100 nF | classic disk ceramic capacitor |
|---|
| C11 | 22nF | blue radial capacitor |
|---|
| C13 | 33nF |
|---|
| C14,C16 | 2200uF | Polarized capacitor |
|---|
| C15 | 470uF | Polarized capacitor |
|---|
| C17 | 1000uF | Polarized capacitor |
|---|
| C?,C?,C?,C?,C?,C?,C?,C?,C?,C?,C?,C?,C? | 100nF | Unpolarized capacitor |
|---|
| Choke1 | 2x 11mH | Common mode choke, 1A, 300VAC, 2x 11mH |
|---|
| CN1 | Mains In | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| CN2 | Conn_01x06 | Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| Conn? | From PSU | Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| CR1,CR2 | 1N914 | 100V 0.3A Small Signal Fast Switching Diode, DO-35 |
|---|
| D1 | 1N4007 |
|---|
| D6 | C8P04 | Dual diode, common cathode on pin 2 |
|---|
| Fuse1 | 0.5A/1A | Slow T fuse. 1A/110VAC; 0.5A/220VAC |
|---|
| HP1.1,HP1.2 | PC817 | DC Optocoupler, Vce 35V, CTR 50-300%, DIP-4 |
|---|
| J1 | C14 | 60320 C14 (110VAC, 220VAC),Generic connector, single row, 01x01, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J2 | Chassis | Generic screw terminal, single row, 01x01, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J3-J6 | Conn_01x02,test | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J7,J8 | To PSU | Generic connector, single row, 01x01, script generated (kicad-library-utils/schlib/autogen/connector/),Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J9 | AC230V | Generic connector, single row, 01x01, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| K1,K4 | nf | Relay SPST, normally open, EN50005 |
|---|
| K2,K3 | 5V | Relay SPST, normally open, EN50005 |
|---|
| L2 | L_Ferrite | Inductor with ferrite core |
|---|
| P1,P5 | 34 pin pinhead,Conn_01x04_Pin | Generic connector, double row, 02x17, counter clockwise pin numbering scheme (similar to DIP package numbering), script generated (kicad-library-utils/schlib/autogen/connector/),Generic connector, single row, 01x04, script generated |
|---|
| P2 | GPiB female THT,To GPiB Board (40Pin) | Generic connector, single row, 01x40, script generated,Generic shielded connector, double row, 02x12, top/bottom pin numbering scheme (row 1: 1...pins_per_row, row2: pins_per_row+1 ... num_pins), script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| P3 | To CPU Board (40Pin) | Generic connector, single row, 01x40, script generated |
|---|
| P4,P6 | To Floppy Controller Board (40Pin) | Generic connector, single row, 01x40, script generated |
|---|
| P7 | Conn_01x04_Pin,FDD 40pin | Generic connector, double row, 02x20, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/),Generic connector, single row, 01x04, script generated |
|---|
| P8 | Molex | Popular Molex connector for old FDDs and HDDs |
|---|
| Power1 | DPST | Double Pole Single Throw (DPST) Switch |
|---|
| R1 | 10,1M | Resistor |
|---|
| R2 | 10k,3.3 | Resistor |
|---|
| R3,R4 | 10k,200k | Resistor,Resistor, carbon |
|---|
| R3,R6,R8,R10,RN1 | 10k | 7 resistor network, star topology, bussed resistors, split,Resistor,Trim-potentiometer |
|---|
| R5 | 10k,390k | Resistor |
|---|
| R7 | 100k,10k | Resistor,Resistor, metal film |
|---|
| R9 | 10k,22 | Resistor |
|---|
| R10,R11 | 2k,50k | Resistor, carbon,Trim-potentiometer |
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| R12 | 1k | Resistor |
|---|
| R13 | 100,10k | Resistor |
|---|
| R14 | 330 | Resistor, carbon |
|---|
| R15 | 47 | Resistor |
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| R16 | 15 | Resistor |
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| R17 | 57 | Resistor, carbon |
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| R18 | 1.5k | Resistor, carbon |
|---|
| R19 | 2.7k | Resistor, carbon |
|---|
| R22 | 820 | Resistor |
|---|
| RN2,RN3 | 150 | 7 resistor network, star topology, bussed resistors, split |
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| RV1 | 5k | Trim-potentiometer |
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| SW1 | SW_DIP_x05 | 5x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
|---|
| TP1 | WrData | test point |
|---|
| TP2 | DIR | test point |
|---|
| TP3 | TG43/TEST_OUT | test point |
|---|
| TP4 | GND | test point |
|---|
| Y1 | 12 MHz | Two pin crystal |
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