Ramsey Electronics SHA1 Manual Do Utilizador

SHA1

• 7  

 
 

SHA1 PARTS LIST 
 
Semiconductors 
‰

2   LM386 Audio Amplifier ICs (U1,2) 

‰

1   1N4002 rectifier diode (Black body with white stripe on 
one end) (D1) 

‰

1   7808 Voltage Regulator (U3) 

 
Resistors 
‰

2   4.7K ohm resistors (yellow-violet-red) (R2,7) 

‰

2   2 ohm resistors (red-black-gold) (R4,8) 

‰

2   10K ohm potentiometers (R3,6) 

 
Capacitors 
‰

5   .01uF  ceramic  capacitors  (Marked .01, 10n, or 103) 
(C4,8,10,12,14) 

‰

4   10uF electrolytic capacitors (C1,6,15,16) 

‰

1   470uF to 1000uF capacitor (C2) 

‰

2   220uF capacitors (C3,7) 

‰

2   .1uF ceramic capacitors (Marked .1 or 104) (C5,9) 

‰

2   100pF ceramic capacitors (Marked 101) (C11,13) 

 
Miscellaneous 
‰

2   DPDT switches (S1,2) 

‰

1   9V Metal Battery Holder 

‰

1   9V Battery Connector 

‰

1   1/4”  Stereo  earphone jack (J3) 

‰

2   RCA Jacks (J1,2) 

‰

1   Power Jack (J4)