Jul 27

TRX6221 Stereo Graphic Equalizer

Stereo Graphic Equaliser1-schematic-diagram

TRX6221 Stereo Graphic Equalizer Circuit Schematic Diagram

Stereo Graphic Equaliser2-schematic-diagram

TRX6221 Stereo Graphic Equalizer Circuit Schematic Diagram 2

Stereo Graphic Equaliser3-schematic-diagram

TRX6221 Stereo Graphic Equalizer Power Supply Circuit Schematic Diagram

Stereo Graphic Equaliser1-circuit

TRX6221 Stereo Graphic Equalizer Board and Components Layout

Stereo Graphic Equaliser2-circuit

TRX6221 Stereo Graphic Equalizer Potentiometer Knobs

Stereo Graphic Equaliser3-circuit

TRX6221 Stereo Graphic Equalizer frequency Response Graph

 

Parts List

Resistor :

  • R1,R3,R5,R7,R9,R11 ……………………. 470
  • R13,R15,R17,R19 ……………………….. 470
  • R101,R103,R105 ………………………… 470
  • R107,R109,R111 ………………………….470
  • R113,R115,R117,R119 ………………….. 470
  • R2,R4,R6,R8,R10,R12 ………………… 470K
  • R14,R16,R18,R20 ……………………… 470K
  • R102,R104,R106 ………………………. 470K
  • R108,R110,R12 …………………………. 470K
  • R114,R116,R118,R120 ………………… 470K
  • R21,R121,R22,R122 …………………… 100K
  • R23,R123,R24,R124 ……………………. 10K
  • R25,R125 …………………………………… 1K
  • R26,R126 …………………………………… 1M
  • R27,R127,R28,R128 …………………….. 330
  • R29 …………………………………………. 3,9K
  • R30 …………………………………………. 3,3K
  • R31,R32,R33,R34 …………………………… 1
  • R35,R36 …………………………………….. 100

Variable Resistor :

  • VR1,—VR20 ………………… B 20K – 100K

Capacitor :

  • C1,C101,C12,C112 …………………… 4,7KpF
  • C2,C102,C22,C122 ……………………. 150pF
  • C24,C124 ……………………………….. 150pF
  • C3,C103,C14,C114 ……………………. 10KpF
  • C4,C104 …………………………………. 330pF
  • C5,C105,C16,C116 ……………………. 15KpF
  • C6,C106 …………………………………. 470pF
  • C7,C107,C18,C118 …………………….. 33KpF
  • C8,C108 …………………………………… 1KpF
  • C9,C109 …………………………………. 68KpF
  • C10,C110 ………………………………. 2,2KpF
  • C11,C111,C25,C125 …………………….. 0,1uF
  • C26,C126,C27 …………………………… 0,1uF
  • C127,C28,C128 …………………………. 0,1uF
  • C13,C113 ………………………………… 0,22uF
  • C15,C115 ………………………………… 0,33uF
  • C17,C117,C21,C121 ……………………….. 1uF
  • C19,C119 ………………………………….. 2,2uF
  • C23,C123 ………………………………….. 10uF
  • C20,C120 ………………………………… 47KpF
  • C29,C30 ………………………….. 1000uF/25V
  • C31,C32 …………………………… 100uF/25V

Diode :

  • D1,—D4 ………………………………. 1N 4002
  • D5 …………………………………………… LED

Integrated Circuit :

  • IC1,—IC6 ………………………….. TRX 6221

Transformator :

  • T1 ………………………. P  :  110V/220V
  • T1 ………………………. S  :  2x 15V  100mA