Troubleshooting
MTG100 & MTG300 MPEG Generator Service Manual 6Ć55
Yes
Are J290 and
J295 on the A40
MISC board (see
Figure 6Ć36) at
+12 V?
No
No
Is pin 7 of J030 on
A40 MISC board (see
Figure 6Ć36)
at +5 V?
Replace 12 V power supply.
Yes
No
Are the fan cables
securely installed in
their sockets?
Securely install the cables , and
then install the cabinet and A10
Main board. To (a) on page 6Ć53.
Yes
Replace the fan.
(A)
Power off and remove the
cabinet using the Cabinet
removal procedure. and then
remove the A10 Main board.
2
Figure 6Ć25: Troubleshootingprocedure (3)