Grass Valley 2031RDA-MM - Manual (Page 33)

2031RDA-SM/-MM Instruction Manual 33
Service
Service
The 2031RDA-SM/-MM modules make extensive use of surface-mount
technology and programmed parts to achieve compact size and adherence
to demanding technical specifications. Circuit modules should not be ser-
viced in the field unless otherwise directed by Customer Service.
Power-up Diagnostics Failure
If the module has not passed self-diagnostics, do not attempt to trouble-
shoot. Return the unit to Grass Valley (see
Module Repair ).
Troubleshooting
If your module is not operating correctly, proceed as follows:
• Check frame and module power. If power is not present, check the fuse
and voltage testpoints on the module as illustrated in
Figure 16 .
• Check for presence and quality of input signals.
• Verify that source equipment is operating correctly.
• Check cable connections.
Figure 16. Location of Module Fuse
8318_03
F1
2A
125V
J108
J108
Voltage
Test Points
Fuse: F1, 2A, 125V
+24V +5V GND
GND +3.3V
TP 6
GND