HP 8110A Service Manual page 160

150 mhz pulse generator
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-330
Selftest
f
ailed
HP- ΙΒ
m
essage = " VCO for υΡ h as not
l
ocked"
L ocal m essage = "V CO
f
or υΡ h as not
l
ocked"
D
escription:
The VCO i s ena bl ed, but has not yet
l
ocked.
N
ormally the VCO w ould h ave
l
ocked on to the
desired
f
reque ncy.
-330
Selftest
f
ailed
HP- ΙΒ
m
essage = "Un exp ected
R
eset of υΡ"
Local
m
essage = "Unexp ected
R
eset of υΡ"
D
escr iption:
Th e reset w as caused by
o
ne of the
f
o ll o wing:
ι t he
p
ow er up reset circui t
ι t he software w atchdog ci rc uit
ι t he system protecti on subm odule h alt
m
oni tor
ι α
l
oss of fre quen cy refere nce to t he c lock
s ubmodule
ι t he test submod ule
-330
Selftest
f
ail ed
HP 811 OA Service G
u
i
d
e
N
ormally t he
l
ast reset w as cau sed by an external
signal or by the C PU
e
xecuting α reset in struction.
HP- ΙΒ
m
essage = " Internal Serial De vi ce Bus
f
ailed"
L
oca l message = "Internal Serial D evice Bus
f
a iled"
D
escription:
Inter nal serial device bus traffic over
f
eedbac k path
has failed .
-330
Selftest
f
ailed
HP- ΙΒ
m
essage = "[devi ce-de p endent info]"
L
oca l m essage = "[devi ce-dep en dent info"
-330
Selftest
f
a iled
HP- ΙΒ
m
essage = "SELFTE ST υΡ - B OARD OK"
L
ocal message = "SELFTEST υΡ -B O ARD OK"
Tr
o
ub
les
h
ooting 4-47

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