Service Manual

MM-E 2072-09333-00
3-13
No
Yes
3
Radio keyed?
Connect J5
pin 8 to ground.
Radio keyed?
Yes
No
Problem found. Replace
microphone and proceed
to step 3 of checkout
No
Yes
Replace cable and
proceed to step 3 of
the checkout
Problem is with the CONTROL HEAD
module. Replace or repair as
necessary. Proceed to step 3 of the
checkout
No
Problem is with the LORD module.
Replace or repair as necessary.
Proceed to step 3 of the checkout
Possibly a bad microphone: try a
different microphone and key it
again, or connect pin 6 to ground
on the mic jack
Verify the condition of the flat
cable from the LORD module to
the front panel CONTROL HEAD
module using an ohmmeter
Cable good?
From Checkout Step
Figure 3-4. MICOM-Z Troubleshooting Chart 3