Agilent Technologies 1670G Series, Service Manual

Page: 133 / 224

Troubleshooting Flowchart 5
D o a l l S y t e m
T e s t s p a s s ?
E N D
5
Failure of
- R A M t e s t
R e p l a c e S I M M
m e m o r y m o d u l e .
Do all Analyzer
T e s t s p a s s ?
Do all Oscilloscope
T e s t s p a s s ?
Failure of:
- R O M T e s t
- HP-IB Test
- R S - 2 3 2 C T e s t
- P S 2 T e s t
- Lan Test
R e p l a c e
o s c i l l o s c o p e b o a r d .
R e p l a c e C P U b o a r d .
C H A R T 1
C H A R T 5
PV Test
Is the oscilloscope
option installed?
Is the pattern
g e n e r a t o r o p t i o n
installed?
Do all Pattern
G e n e r a t o r T e s t s p a s s ?
R e p l a c e a c q u i s i t i o n
b o a r d .
R e p l a c e p a t t e r n
g e n e r a t o r b o a r d .
Failure of
- Disk Test
Follow disk drive
test in Chapter 5 on
suspect drive.
S i g n a l s a n d v o l t a g e s
O K ?
Disk drive cable
c o n t i n u i t y O K ?
R e p l a c e d i s k d r i v e .
R e p l a c e C P U
b o a r d .
R e p l a c e d i s k d r i v e
c a b l e .
Y e s Y e s N o
Y e s
Y e s
N o
Y e s Y e s N o
N o
N o
N o
Y e s
Y e s
N o
N o
Troubleshooting
To use the flowcharts
5–7