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(
Start
)
I
With
A
Display
Reading
0(
"V
(Test
7
Failure),
,
Measure
The
Switch
Drive
Voltage
A10U4.
On
Pin
14
Of
Troubleshoot
The
Device
Troubleshoot
The
Device
Select
Circuit
IA10U13,
Select
Circuit
(A10UI2,
U14,
U26
And
Associ-
U14,
U26
And
Associ-
ated
Components).
ated
Components).
Troulilcshool
The
Logic
The
Device
Select^.
Troubleshoot
The
Logic
Circuit
(A10U13,
U22,
I
Sicnal
At
Pin
9
Of
I'Ab
^
Circuit
(A10U12,
U22,
U26 And
Associated
Com-
1
A10U12>4V
1
U26 And
Associated
Com-
ponents).
^\Peak
-To
-Peak^^
ponents).
Troubleshoot
The
Device
Troubleshoot
The
Device
Select
Circuit
(A10U13.
Select
Circuit
(A10U16,
U14,
U26 And
Associated
U14,
U26
And
Associ-
ated
Components).
3455
-D-5
Figure 8-H-9.
Inguard Troubleshooting Procedure Diagram,
Auto-CaJ
Circuitry
TEST
7.
8-95/8-96
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