HP 3438A - Page 68

L
DISCONNECT 10 CABLE lJ7021
REMOVE CAPACITORS C728 AND
C729
L
r
CONFIGURE THE SA AS FOLLOWS
START
1 JS
STOP
-L DS7
CLOCK I JC
GROUND
GND
AL
REPLACE U725 AND OR U722
REPLACE U722
AND/OR U715
v
N
d
1
i
11
REPLACE U717 AND OR U715
J
1
1
I
1
1
r
Y
-
AL
-.
WRITE INTERFACE VERIFICA-
TION
IA1 CONFiGURE THE SA AS FOL-
LOWS
CONFIGURE THE LOGICTRACER
AS
1
SWITCH VERiFCATON
IAl CONFIGURE THE SA AS
FOLLOWS
START
-L JS
STOP
f JS
CLOCK I JC
GROUND GND
BI REPLACE BUS SHORTING NET-
WORK
IJUMPERSI
ICI SWITCH SETTING ,
-.
FOLLOWS
START
-L JS
STOP
1 JS
CLOCK I JC
GROUND GND
AL
v
I
I
1
1
REPLACE U725 AND OR U709
START 7- JS
REPLACE U709 AND OR U713
ROM AND N PROCESSOR
VERIFI
CATION
[AI CONFIGURE THE SIGNATURE
ANALYZER
ISAI AS FOLLOWS
START
I TPR
STOP
J TPR
CLOCK
1 JC
GROUND GND
IBI REMOVE BUS SHORTING NET-
WORK IJUMPERSI
ICI SWITCH SETTING
I
L
7
SWITCH
A
REPLACE U725ANDIOR U722
REPLACE
U722 AhD OR U709
AL
STOP 7_ DSO 1
Y
CLOCK 1 JC
SWITCH
GROUND
GlLD
SETTING
IBI SWITCH SETTING
REPLACE ADDRESS SWITCH AND
OR U725
OTHER DEVICE COYNECTED
TO
BAD LINE
-.
EXAMPLE IF U725 151 IS BAD U725
OR
U722COULD BE BAD
L w
REPLACE L712 AND OR U722
REPLACE ADDRESS SWITCH AND
OR
U726
REPLACE U726
REPLACE U724AND OR U725
REPLACE
U72Q U715 U705 AND REPLACE U729 AND OR TROUBLE-
OR
U712 SHOOT STUCK DATA BUS 100-071
REPLACE U709 AWD OR U722 REPLACE U709 AND OR U728