Block Diagram Descriptions
CSA 803C Service Manual 3Ć29
%"+ 1%" -/, "00,/ /".2"010 %/!4/" 1&*&+$*"02/"*"+1 02 %0
-/,-$1&,+ !")6 *"02/"*"+1 1%" ,*-/1,/ &0 -/,$/**"!#,/ 1%"
--/,-/&1" *"02/"*"+1 )"3") +!1%" 1/+0&1&,+ ,2+1"/&0 -/,$/**"!1,
), 1" 1%" 0")" 1"! 1/+0&1&,++2*"/ +! 0),-"%" %/!4/" ,2+10 1%"
01/," -2)0"0 1%1 , 2/#/,* 1%""$&++&+$ ,#1%" .2&0&1&,+1, 1%"-,&+1
4%"/" 1%" 0")" 1"! 1/+0&1&,+ , 2/0%&0 ,-"/1&,+ &0-"/#,/*"! ,+ 14,
%++")09 ,+" #,/ " % /,00&+$-,&+1 ,#1%" 1&*&+$ *"02/"*"+1%"+
1%" 1/+0&1&,+ -,&+10 /" #,2+!1%" .2&0&1&,+-/, "00,/ /"!0 1%"0*-)"
+2*"/ #/,* 1%" %/!4/"+! 01,/"0&1 &+ 0-" &#& ), 1&,+ &+1%" 0%/"!
*"*,/6 #,/ 1%" &*"0",+1/,))"/ %" &*" 0",+1/,))"/ /"!0 1%"0"
-,&+10 #/,* " % %++") &+3,)3"!&+ 1%" *"02/"*"+1021/ 10 1%"0"
-,&+10 +! 1%"+ *2)1&-)&"0 1%" /"02)1 6 1%" 0*-)&+$ &+1"/3) %" /"02)1 &0
*"02/"*"+1 ,# 1%" 1&*" "14""+ 1%" 14, 1%/"0%,)! -,&+10
Timing and Sampling Head Control%&0 %/!4/" $"+"/1"0 +),$ ,+1/,)3,)1$"0 1%1 ,+1/,) 0"3"/)0*8
-)&+$ %"! ,-"/1&+$+! )&/1&,+-/*"1"/0 ,/ "5*-)" 1%"),,- $&+
)&/1&,+ !'201*"+1 &0 ,+1/,))"!6 ++),$ 3,)1$"$"+"/1"! &+1%"
#,/ " %0*-)&+$ %"! %++") +!!&1&,+ 1%/""!&$&1) ,+1/,)
)&+"0 $, 1," % 0*-)&+$%"!9 14,1, "+)",/ !&0)" ,+" %
%++") +! ,+"1, "+)"0*,,1%&+$ #,/,1% %++")0&+ %"!
%&0 &/ 2&1 ), ( )0,$"+"/1"0 1&*&+$ 0&$+)01%1 ,+1/,)4%"+ 43"#,/*
!1 &0 !&$&1&7"! +!4%"+ 1%"*"02/"*"+1 %/!4/"&0 ), ("!%" 1&*"
0" 0"+!0 01/," -2)0"1, 1%" .2&0&1&,+ 0601"*+! 1,1%" 0*-)&+$
%"! 1, &+&1&1" 0*-)" % .2&0&1&,+ -/, "00,/ + )0,$"+"/1"
01/," -2)0"0 ), ))6 #,/")#8"010+! !&$+,01& -2/-,0"0
Shared RAM%&0 *"*,/6 #,/ 1%" .2&0&1&,+ ,/! ,+1&+0 61"0 ,#
0%/"! %&0 *"*,/6&0 /&1/1"!,+ 1%" .2&0&1&,+
,/!0 "14""+ 1%" .2&0&1&,+ 0601"* -/, "00,/1%" &*"0",+1/,))"/
-/, "00,/+! 1%" ,+3"/1"/0,+ 1%" .2&0&1&,++),$ ,/!))
43"#,/* !1 .2&/"! 61%" .2&0&1&,+0601"* 04")) 0 ,+1/,) +!
!1 *"00$"0 -00"! "14""+1%" .2&0&1&,+0601"* +!1%" &*" 0"
,+1/,))"/-00 1%/,2$% 1%&0 0%/"! *"*,/6
Time Base/Controller Interface%&0 &/ 2&1/6 %+!)"0 /".2"010 #/,* 1%"&*" 0",+1/,))"/ 1, "00 1%"
0%/"! *"*,/6 ,+ 1%" .2&0&1&,+ ,/!0%" 0%/"!*"*,/6 &0
1%"+ /&1/1"! +! 2##"/"!1%/,2$% 1%"&*" 0"���,+1/,))"/&+1"/# "
%/!4/" %&0 %/!4/" !" ,!"0+! )1 %"01%" &*"0",+1/,))"/
!!/"00 +! $"+"/1"0 4&1 0&$+) 1%1 %,)!0 1%" &*"0",+1/,))"/
-/, "00,/ &+ 4&1 011"2+1&) 20 6 )" + "$/+1"! 1,)),4 1%"
*"*,/6 "00 1, ,*-)"1"
%" /&1/1&,+ ),$& ,,/!&+1"0 /".2"010#,/ "00 1,1%" 0%/"! *"*,/6
#/,* 1%" ,+3"/1"/0 1%" .2&0&1&,+ 0601"* -/, "00,/+! 1%"1&*"
0" ,+1/,))"/-/, "00,/