User manual

CSA 803A Service Manual
3Ć7
Block Diagram Descriptions
&'1 1#!2'-, "#1!0' #1 2&#   "#2'*#" *-!) "'%0+ 1## '%30#
8 ," 2&# -0"8*#4#* *-!) "'%0+1 1## 2&#  1#!2'-,
&#   20- # 0'4# -0" !-,1'121 -$ 2&# $-**-5',% !'0!3'21
H 2 3$$#01 !'0!3'206
H ""0#11 *2!& !'0!3'206
H 3,!2'-, "#!-"#0 !'0!3'206
H ,2#0,* !*-!) 02# %#,#02-0 !'0!3'206
H -,20-* 3$$#01 !'0!3'206
## '%30# 8 $-0  *-!) "'%0+ -$ 2&'1 -0"
Data Buffers
&'1 !'0!3'2 3$$#01 2&#  '+# 1#-,20-**#0 -0"1 ""0#11 ," "2
31#1 5'2& '"'0#!2'-,* 3$$#01 ," 2&#  '+# 1#-,20-**#0 -0"1
!-,20-* *',#1 5'2& -!2* 3$$#01
Address Latch
&'1 !'0!3'2 3$$#01 ," *2!&#1 2&# ""0#11 $-0 2&#  '+# 1#-,20-**#0
-0" 2- 31#
Function Decoder
&'1 !'0!3'2 .02'**6 "#!-"#1 2&'1 *2!&#" ""0#11 ," #, *#1 2&# "2
3$$#01 '$ 2&# ""0#11 '1 -, 2&'1 -0" -0 2&#    !/3'1'2'-, 1612#+
-0"1 !-,20-**#" 2&0-3%& 2&'1 -0" &# $3,!2'-, "#!-"#0 *1- 1#*#!21
2&# ..0-.0'2# "'0#!2'-, -$ 2&# "2 3$$#01 2- .#0$-0+  0#" -0 50'2# -.#08
2'-,
Internal Clock Rate Generator
&'1 !'0!3'2 '1  8 '2 .0-%0++ *# !-3,2#0 2&2 '1 2'#" 2- 2&# ÷  $*'.8$*-.
2&2 .0-"3!#1 2&# 1/30# 54# -32.32 &# -4#0** "'4'1'-, 02'- -$ 2&'1 *-!)
!, # .0-%0++#" $0-+ 

2- 

 &# ',2#0,* !*-!) 02# %#,#02-0 '1
.0-%0++#" 2 .-5#08-, 2- .0-4'"#   )7 -32.32 %'4#,   7 ',.32
-, (3+.#0 
A1 M/F Strobe Drive
Board