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DrumBox - MIDI to Trigger Parts list


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Main board of MIDI to Drum Trigger Converter

Refer to the Fat Controller parts list for more information.

QTY  PART-REFS                     VALUE          
---  ---------                     -----          
Resistors
---------
2    R1,R3                         5K1            
2    R2,R5                         27K            
1    R4                            24K            
3    R6,R9,R10                     220            
1    R7                            680            
1    R8                            1.5K           
1    R11                           10K            
15   R12,R14,R17,R19,R21,R23,R25,  1K             
     R27,R29,R31,R33,R35,R37,R39,
     R41
19   R13,R16,R18,R20,R22,R24,R26,  100            
     R28,R30,R32,R34,R36,R38,R40,
     R42,R49,R50,R51,R52
1    R15                           51             
3    R43,R45,R47                   4K3            
3    R44,R46,R48                   2K             

Capacitors
----------
4    C1,C2,C23,C28                 22uF           
12   C3,C5,C6,C24,C25,C46,C47,C48, 100nF          
     C49,C50,C51,C57
1    C4                            10uF           
1    C7                            2.7pF          
16   C8,C9,C10,C11,C12,C13,C14,    10nF           
     C15,C16,C17,C18,C19,C20,C21,
     C22,C45
2    C26,C27                       22pF           
15   C29,C30,C31,C32,C33,C34,C35,  330pF          
     C36,C37,C38,C39,C40,C41,C42,
     C43

Integrated Circuits
-------------------
1    U1                            78L05          
1    U2                            MAX6225        
1    U3                            6N139          
1    U4                            PIC16F877      
1    U5                            AD744          
4    U6,U7,U8,U9                   TL074          
1    U10                           MAX306         
1    U11                           MAX544         
1    U12                           TL081          

Transistors
-----------
3    Q1,Q2,Q3                      2N3904         

Diodes
------
2    D1,D2                         1N4148         

Miscellaneous
-------------
3    FB1,FB2,FB3                   FERRITE BEAD   
1    J1                            POWER          
3    J2,J3,J4                                     
1    J5                            MIDI In        
1    J6                            MIDI Thru      
1    J7                            MIDI CHANNEL   
1    J8                            TRIMMER-SET PUL
2    RV1,RV2                       5K             
1    X1                            20MHz          

Expander board of MIDI to Drum Trigger Converter
QTY  PART-REFS                     VALUE          
---  ---------                     -----          
Resistors
---------
11   R1,R4,R7,R10,R13,R16,R19,R22, 4K3            
     R25,R28,R31
11   R2,R5,R8,R11,R14,R17,R20,R23, 4K7            
     R26,R29,R32
11   R3,R6,R9,R12,R15,R18,R21,R24, 20K            
     R27,R30,R33

Transistors
-----------
11   Q1,Q2,Q3,Q4,Q5,Q6,Q7,Q8,Q9,   2N3904         
     Q10,Q11

Miscellaneous
-------------
1    J1                            PULSE IN       
1    J2                                           
11   RV1,RV2,RV3,RV4,RV5,RV6,RV7,  50K            
     RV8,RV9,RV10,RV11

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