Troubleshooting; Processor Unit Hardware Test - Sony BVE-700A Maintenance Manual

1-8. Troubleshooting

1-8-1. Processor Unit Hardware Test

Run BVE-700A.
Do D940-
D942 on the front
of the CA-67
board light up?
Yes
Is the 7SEG
LED on the front
of the CA-67 board
"00"?
Yes
Push down the 2 bit for S900
on the front of the CA-67 board
and run the test program.
Does the test
program run?
Yes
Use the test program to find
and correct the problem.
Does the application
run correctly?
Yes
Problem solved.
1-16 (E)
No
No Replace the
CPU-DT module.
Does the application
run correctly?
Yes
No
Install the CPU-DT tool and
try the operations again.
No
Check that +12 V, +5 V, and +3.3 V
are output correctly on the CA-67
board. (TP-1800, 1801, 1802)
Are there any strange parts near
D-8 on the A-side and the B-side
of the CA-67 board?
Check the compact PCI connector
pins on the CA-67 board and the
MB-1092 board for short circuits.
Does the application
No
No
Does the application
run correctly?
Yes
No
run correctly?
Yes
Replace the
CA-67 board.
BVE-700A