Ramsey Electronics BS1 Manuale delle Istruzioni Pagina 7
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SG7• 7
PARTS LIST:
LED SPEED READOUT PC BOARD:
CAPACITORS
1 100pF capacitor (marked 100 or 101) (C16)
1 2200pF disc capacitor (marked .0022 or 2200 or 222) (C5)
1 .005µF capacitor (marked .005 or 5000 or 502) (C1)
2 .001µF capacitors (marked .001 or 102) (C3,C11)
6 .01µF capacitors (marked .01 or 103 or 10nf) (C4,13,15,17,18,19)
2 .047 or .05µF capacitors (marked .047 or 473, .05 marked .05 or
503) (C7,C8)
5 10µF electrolytic (C6,9,10,14,21)
1 22µF electrolytic (C20 - see text)
1 33µF electrolytic (C20- see text)
2 100 or 220µF electrolytic (C2,C12)
RESISTORS
1 100 ohm [brown-black-brown] (R11)
3 220 ohm [red-red-brown] (R23,24,27)
1 3.3K ohms [orange-orange-red] (R12)
2 4.7K ohms [yellow-violet-red] (R25,R26)
4 10K ohms [brown-black-orange] (R5,14,17,21)
2 22K ohms [red-red-orange] (R8,R9)
7 47K ohms [yellow-violet-orange] (R1,2,3,4,13,18,20)
5 100K ohms [brown-black-yellow] (R7,15,16,28,19)
1 1 megohm [brown-black-green] (R6)
1 2.2K ohms potentiometer (GAIN, R10)
1 10K ohms potentiometer (CALIBRATION, R22)
SEMICONDUCTORS
1 2N3904 NPN transistor (Q1)
1 LM324 Quad op-amp IC (U1)
1 4093 Quad Schmitt trigger NAND IC (U2)
1 4011 Quad NAND IC (U3)
1 4518 Dual BCD decade counter IC (U4)
2 4511 BCD to 7 segment LED driver IC (U5,U6)
1 1N4002 1 amp diode (D2)
1 1N4148 glass bead signal diode (D1)
2 7-segment LED display (U7,U8)
- “SPEEDY” PERSONAL 1
- SPEED RADAR KIT 1
- SG7 PERSONAL 3
- SPEED RADAR 3
- SG7• 4 4
- SG7• 5 5
- The World Beyond 99 MPH? 6
- SG7• 7 7
- SG7• 8 8
- SG7• 9 9
- SG7• 10 10
- SG7• 11 11
- LED SCHEMATIC DIAGRAM: 12
- LED PARTS LAYOUT DIAGRAM: 13
- SG7• 14 14
- SG7• 15 15
- SG7• 16 16
- SG7• 17 17
- SG7• 18 18
- SG7• 19 19
- SG7• 20 20
- 1.1" LONG 21
- SG7• 22 22
- SG7• 23 23
- SHIELD: 24
- SG7• 25 25
- SG7• 26 26
- SOLDERING THE CANS TOGETHER: 27
- SG7• 28 28
- TESTING AND CALIBRATION: 29
- FINAL CALIBRATION: 30
- TROUBLESHOOTING HINTS 31
- MODIFICATIONS: 32
- USING THE SG7: 33
- The Ramsey Kit Warranty 34
- 4. REFUNDS: 35
- SG7• 36 36
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