Ramsey Electronics SHA2 Headphones User Manual


 
SHA2 9
SHA2 PARTS LIST
CAPACITORS
5 10 nF ceramic disc capacitors [marked 103] (C3,13,15,21,25)
2 100nF ceramic disc capacitors [marked 104] (C14,27)
2 100pF ceramic disc capacitors (marked 100, 101, or 101K ) (C11,23)
4 220nF ceramic disc capacitors (marked ) (C6,7,8,26)
2 390nF ceramic disc capacitors(C19,20)
14 10uF electrolytic (C1,2,4,9,10,16,17,18,22,28,29,30,31,32)
2 220uF electrolytic (C12, 24)
1 470uF (C33)
RESISTORS
2 2 ohm resistors [red-black-gold] (R7,14)
3 470 ohm resistors [yellow-violet-brown] (R16,18,19)
4 47k ohm resistors [yellow-violet-orange] (R5,6,8,13)
1 100k ohm resistor [brown-black-yellow] (R15)
1 560k ohm resistor [green-blue-yellow] (R17)
4 1M ohm resistors [brown-black-green] (R1,2,3,4)
SEMICONDUCTORS
3 IN4000 series diodes (IN4000 to IN4004) [black body, white band]
(D1,2,5)
1 7810 10V voltage regulator (VR1)
1 Red LED (D3)
2 LM386N low voltage audio power amplifier (U2,4)
1 LM1036N dual DC operated tone/volume/balance IC (U3)
1 LMC660AIN quad rail to rail op amp (U1)
CONTROLS, HARDWARE, AND MISCELLANEOUS
3 100k ohm PC mount potentiometers (R10,11,12)
1 100k ohm PC mount switch potentiometer (R9)
1 9V battery clip (BAT1)
1 9V battery snap
1 DPDT pushbutton switch (S1)
2 3 pin headers (H1,2)
2 Jumper blocks for 3 pin headers
4 3.5mm stereo jacks (J1,2,3,4)
1 2.1mm power jack (J5)
REQUIRED, NOT SUPPLIED