Agilent Technologies HP 8719D Service Manual page 217

Decimal
Number
26
27
28
29
30
31
32 .
33 .
34 .
.
36 .
.
37
.
38
39 .
Not used
40-47
48 .
49 .
50 .
51 .
.
52
l
5 3
.
5 4
.
Inspect Cables
Remove the front panel assembly and visually inspect the ribbon cable that
connects the front panel to the motherboard. Also, inspect the interconnecting
ribbon cable between Al and A2. Make sure the cables are properly connected.
Replace any bad cables.
Digital Control Troubleshooting
Front Fanel Key Codes (2 of 2)
LED Pattern
L
. .
.
.
. . .
. . .
. .
.
. .
.
.
.
.
.
.
.
.
. .
. .
. l
.
.
T S
.
.
.
.
.
. .
.
. .
CENTER
.
.
. .
.
.
.
l
.
.
.
.
Front Panel Block
Response
Instrument State
Response
Response