Agilent Technologies 35670A Service Manual page 386

Power-on Test Messages
Hexadecimal
Code
Undefined Initial power-on
FF* CPU flashes LEDs
04 LED DSACK failure
13 CPU failure
01 Coprocessor DSACK failure
17 Coprocessor failure
18 Boot ROM checksum failure
06 Display DSACK failure
10 Display failure
1B Main RAM too small
02 Main RAM DSACK
14 Main RAM bit failure
16 Main RAM refresh failure
1C Program ROM checksum error
00 Clear ~4s
A1 Starting DSP test
A2 Fast bus test
A0 MFP test failure
AE Front panel test
Internal Test Descriptions
Power-on Test Description
Message
0 Assembly or sub-block is used but is probably not the cause of the failure message.
X Assembly or sub-block is probably the cause of the failure message.
(blank) Assembly or sub-block is not used in the test.
FF* If the area of failure is unclear, all LEDs flash continuously.
10-4
Assembly/Sub-block
X X X
0 X X X
0 X X X
0 X X X
0 0 X X
0 0 X X
0 0 0 X
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 X X 0
0 0 X 0
0 0 0 0
0 0 X 0
0 0 X 0
Agilent 35670A
X
X
0 X
0 X
0 X
0 X
0 X
0
0 0
0 0 X
0
0 0 0 X