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Befaco A*B+C Owner's manual

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
THANKS FOR CHOOSING ONE OF OUR KITS!
 !"#"" $#%&''#'"(#)#'*"++*#''+*!!*#  '"'%*,'#-#./*/
0/&#+#*&%*&( */ *&.&#%+'+*!/*##' "&/"+.*#'$*"&. 
!"#''*!"(" !$" " " /* $
*! '/ "&#*'*$* 1 *#,*2&"#0/&#+.&/" &".' '/ 
'*&*)$,*& '"&'#)
,'  *&-& '/&*3+'1/" &".' "&'+$,*&* '"&'" !$#)'('4
%%%$,"+**&)5*%'*5
GOOD LUCK!
MAIN PCB 6789:
OPEN MAIN BOARD BAG A
RESISTORS
Qty Value Code Name on PCB
; <( *%=&/1$"+(1&.1$&*%# 1>1?11@11;1A1
1@1B1;1;;1;>1
;?1A1A1A;1AA1A
? ( &*%#1$"+(1$"+(1&.1$&*%# A1B1>1;1;B1A>
< < *%=&/1$"+(1*%11$&*%# <11;@1A<
; >?( &#1$1$"+(1&.1$&*%# ?1;A
; A(A 8&"#)1*&"#)1$"+(1$&*%#1$&*%# ;1A?
; ?<B( 1*%1%'1&.1$&*%# <1;<
 AA( 8&"#)18&"#)1"+(18&"#) ;
DIODES
*.&'.*. observing their polarity$"+(*&%'#*#'.*.! '
!"'+%''%'#*#'.*. !$**#'= ( +&#
C' D" 9"!*#=
; 9>@ 1;
[CONTINUED ON NEXT PAGE]
1

OPEN INTEGRATED CIRCUITS BAG
ICs
E& ' place the sockets6'"(#)+"&'**&#'"''!/&*/&'#*'+*&.*'*#*#
#.*,' *.!"'+'!")*#' ( +&#:"#. *.&'!#'*'&+*&&+'
/* '*# 
90'/"+' #'&& /+' *+(' 6")"#'"(#)#*'*,'&*&#'"'*#'
#*'+*&.*'*#''*/*,'! '!"'+'"'*,' *+('"#. ( +&#:
MAIN PCB
C' D" 9"!*#=
; ?AA9 ;1A
; < 1<
CONTROL PCB
 ; 
OPEN MAIN BOARD BAG B
CAPACITORS
.#',#)+"/"+'*& +"#$F''&+(*.  '"'."&#.+"'1/" '"("**("'
' ).,*&/.#',#)+"/"+'*& 4''/455%%%%(*%+*!5".""/"+'*&
C' D" *. 9"!*#=
 # < 1A1<1>1?1B111;1
<
; ;;/ ;; ;1A
ELECTROLYTIC CAPACITORS
D" "&%&''#*#' .*,'+"/"+'*&#.'&/*"&'6*#))*,'
+"/"+'*& '/* '6::
C' D" *. 9"!*#=
; GE GE 1@
MALE PIN HEADERS
="+"#. *.&'!"/#".& "'H9IJH9I%&' ( +&##.+"' 6'
 ' *&'&/# '"'*"& *.&#):
2

POWER CONNECTOR
*.&'/*%&+*##+'*&"'H=8KI1# &#)' ,"+#)*',&*!'.)*,'=
 !""&&*%*#'+*##+'*& ! '$*#' .%'''+(%'#
CONTROL PCB
OPEN CONTROL BOARD BAG A
RESISTORS
C' D" *. 9"!*#=
? ;;( .1&.1$"+(1&.1$&*%# A1<1>1?11
; >(A? &#1*&"#)1$1$&*%#1
$&*%#
;1 Make sure this resistor is
sitting as at as possible so that one leg
doesn’t touch o the power connector when
the PCBs are connected,
; A( 8&"#)1$"+(1$"+(1$&*%#1
$&*%#
1@
; ( &*%#1$"+(1$"+(1$&*%#1$&*%# 1B
OPEN CONTROL BOARD BAG B
FEMALE PIN HEADERS
="+',!"/#".& *&' ( +&#!"&(#) "'/* '*# H898IJ
H898"#. *.&
SPACERS
+&' /"+&*#'**#'&*=6'&*)'*%' &*'#:%''!"#$*.
*,' /"+&*#'+*!/*##' .1"#.'#'*#'*//* '
FRONT PANEL COMPONENTS MOUNTING TIPS:
9*%%%/&*+.'*!*#''3"+( 1"#./*'#'*!'&  /"&'*,'" !$ 
=" '"(*&'!"#.&".',**%#)# '&+'*# +"&,
 +*!/*##' ! 'NOT$ *.&.#''"&/"+.*#'="#.,"''"+.
'*',&*#'/"#
&"&'%*&" *# ,*&' 4
•)'*,'/"#+*!/*##' "&#*'"' "!+" *,' 1,#*'
"''"+./&*/&$,*& *.&#)1'%#*' '"/&*/& "'.")"# ''/"#
 !)'+" !+"#+" '& &.+#)'&,0/+'"#+"#.#'%*& '+" 
+" '!'*$&"(
• +*#.&" *# '"'' &.L+''*")#'+*!/*##' '*'* ,'
/"# #*'/* '*#./&*&'* *.&#)#'+" *,' 1'"&"!* '
!/* $'* ''*'+*&&+')'%'*'&,&#+'*',&*#'/"#
3

POTENTIOMETERS
="+'/*'#'*!'& *#'=*#*'/"+'!"'%".*%#1" ' *.$
' "!)" !#3"+( "#.don't solder it yet!
C' / 9"!*#=
< #)6A/#:M NN1NN;1NN1NN;
OPEN MINI-JACKS BAG

MINI-JACKS
="+"'!#3"+( *#'*'=# &#)'"&*#' ( +&# .1$'don't
solder yet
Caution:' %'+#'"#.'3"+(#' **(' "!1$''"&#*'F" O."#.
%#*'-'#"+*'& 2'&".1 *!"( &'*(/'! /"&"'P

LEDs
="+' *#'*'=!#.#)1'&/*"&'1$'don't solder them#'',&*#'
/"# #/"+  '*#%"'* *.&'!#'&)'/* '*#
*#)) '/* '"#.' *&''#)"'8#'=' F"&/".#.+"' 
'#)"' ."#.'& " !$*'*#.+"''/* '
C' 9"!*#=
; N1N;
[CONTINUED ON THE NEXT PAGE]
4

FRONT PANEL
''"+' front panel".3 '#)'/"&' *#$*#,#+ "&#''-''' /*#'
"/"&*,-#'%O& +"#$/,
*-# 4
+&'/"&' '*'/"##' *&.&4: Mini-jacks : Pots
# &#)"*,'"$*/"&' "&5ush with the panel   +&'+"1" /*' 
!)' *&'+*!/*##' $#.'!# *+"#-#"solder'!"P
90'1".3 '' LEDs *'"''"&Q %''/"#"#. *.&'!
 *##+''main PCB'*'control PCB$'&".#)'A +&%'&*)'
!"#="#. +&#)'!'*' /"+&!"#= *.$*&#'"'. *'"''
+*!/*##' . ,"+#)'*%"&. ',&*#'/"#
='' knobs*#'/*'#'*!'& 
*##+'' power ribbon cable4&.%&6;D:*#'/*%&&$$*#+"$
+*&& /*#. '*/##!$&*#*#'!"/*%&+*##+'*&#!$&*#/# 
#.+"'.%'" !"'&"#)*#'!"/*%&+*##+'*&"#."%'#*#'!"#
=%'*&$"+(#6*&H;I:!"&(.*#*&/*%&$ #*&!"#.+"' '
+*&& /*#.#)/#
ENJOY YOUR NEW BEFACO MODULE!
5
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