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Vector 4 - Page 182

Vector 4
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VECTOR
4
TECHNICAL
INFORMATION
SECTION
2
-
TROUBLESHOOTING
FLOWCHART
POWER
ON
"Clean™
power
source
-
all
connections
tight
BANNER
APPEARS?
-
NO:
Go
to
Symptom
1
SYSTEM
BOOTS?
NO:
Go
to
Symptom
2
SERIAL
PERIPHERALS:
Keyboard,
Modem,
Printer:
NOT
FUNCTIONING:
Go
to
Symptom
3
Keyboard
Fails
Power-On
Test:
Go
to
Symptom
7
NO
DTE:
Go
to
Symptom
8
NO
DCE:
Go
to
Symptom
9
PARALLEL
PERIPHERALS:
Parallel
and/or
Centronics-type
peripherals:
NOT
FUNCTIONING:
Go
to
Symptom
4
NEC/Qume-type
Peripheral
Fails
to
Print:
Go
to
Symptom
5
Parallel
printers
print
"garbage™:
Go
to
Symptom
6
vV
2-1
09-16-82
7200-0001

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