Ramsey MX10 Parts List, Semiconductors

RAMSEY MX10 PARTS LIST

❒3 LF347 Dual operational amplifiers (U4,5,6)

❒2 LM386 Audio power amplifiers (U2,3)

❒2 LM3915 LED bargraph drivers (U7,8)

❒4 1N4002 type diodes (black epoxy body with white stripe)(D29,31,34,35)

❒6 1N4148 type diodes (small glass body with black stripe)(D1,2,5,6,8,19)

❒10 Small yellow LEDs (D3,10,11,12,13,14,22,23,24,25)

❒6 Small green LEDs (D4,7,9,18,20,21)

❒6 Small red LEDs (D15,16,17,26,27,28)

❒1 7808 +8 volt regulator (VR1)

❒30 10K ohm resistors (brown-black-orange) R1,2,3,4,7,8,16,17,20,21, 27,28,33,34,36,37,39,45,46,48,49,51,52, 54,61,63,76,77,82,84).

❒12 100K ohm resistors (brown-black-yellow) R29,38,43,50,55,60,62,65, 70,71,80,85)

❒2 220K ohm resistors (red-red-yellow) (R32,44).

❒10 1K ohm resistors (brown-black-red) (R30,35,41,42,47,59,81,83,92,93)

❒4 1M ohm resistors (brown-black-green) (R53,56,64,66)

❒2 2 ohm resistors (red-black-gold) (R68,69)

❒2 180 ohm resistors (brown-gray-brown) (R57,67)

❒2 68K ohm resistors (blue-gray-orange) (R88,89)

❒18 10uF electrolytic capacitors (C1,2,4,6,7,9,10,11,14,15,17,18,20,21,

24,25,26,36)

❒1 470uF electrolytic capacitor (C30)

❒3 220uF electrolytic capacitors (C3,31,33)

❒7 .1uF ceramic capacitors (marked .1 or 104) (C12,13,28,29,32,34,35)

❒2 .0033uF ceramic capacitors (marked .0033 or 332) (C16,22)

❒2 .001uF ceramic capacitors (marked .001 or 102) (C19,27)

❒3 .01uF ceramic capacitors (marked .01, 10n, or 103) (C5,8,23)

❒5 10K ohm slider potentiometers (R9,14,22,26,58)

❒4 10K ohm top mount potentiometers (R6,13,31,40)

❒6 DPDT top board mount slide switches (S1,2,3,4,5,6)

❒2 Microphone jacks (3/8”) (J5,6)

❒1 2.5mm Power jack (J8)

❒5 3.5mm stereo jacks (J1,2,3,4,7)

❒1 6 foot grounding wire