Tektronix CSA 803C Electrical LockOn of the Front Panel ON/STANDBY Power Switch

Corrective Maintenance
CSA 803C Service Manual 6Ć13
-+# ..*'!2'-,1 -$ 2&#   +6 0#/3'0# 2&2 2&# .-5#0 0#+', -,
-#*#!20'!**6 *-!) 2&# .-5#0 -, 31# 2&# $-**-5',% .0-!#"30#
ăStep 1:ă5'2!& 2&# 0#0 .,#*   2- 
ăStep 2:ă#+-4# 2&#  .-5#0 ! *#
ăStep 3:ă-1'2'-,2&# ',1203+#,2 -, '21 *#$2 &,"*# 1'"# 1 4'#5#" $0-+
2&#$0-,2
ăStep 4:ă#+-4# 2&# -22-+ !-4#0
ăStep 5:ă-!2# 2&#  #%3*2-0 -0"
ăStep 6:ă-!2# 2&#  (3+.#0 -, 2&#  #%3*2-0 -0"
ăStep 7:ă#.-1'2'-,2&#  (3+.#0 $0-+ '21 25- -32#0 0'%&2 1'"# .',1
2- '21 25- ',,#0 *#$2 1'"# .',1 5'2&-32 "0-..',% 2&# (3+.#0
ăStep 8:ă#.*!# 2&# -22-+ !-4#030, 2&#',1203+#,2 ', 2&# 3.0'%&2
.-1'2'-,
ăStep 9:ă#!-,,#!22&# .-5#0 ! *#," 15'2!&2&# 
  2- 
&# .-5#0 5'** ,-5 0#+', -, 0#%0"*#11 -$ 2&# 1#22',% -$ 2&# 
.-5#0 15'2!&
CAUTION
         
          
ăStep 10:ă-230, 2&# .-5#0 -$$ 5&'*# 2&#  .-5#0 15'2!& '1
"'1 *#" 31# 2&# 0#0 .,#*  
-0#230, 2- ,-0+* -.#02'-, -$ 2&#  -5#0 5'2!& $-**-5 2&#
.0#!#"',% 12#.1 ', 0#4#01# -0"#0
Electrical LockĆOn of
the Front Panel
ON/STANDBY Power
Switch