Motorola R2600 Service: Manual
After a few minutes of poking around, John found the problem: a blown fuse in the transmitter circuit. He replaced the fuse and checked the circuit for any other issues, but everything seemed to be in working order.

After a few minutes of poking around, John found the problem: a blown fuse in the transmitter circuit. He replaced the fuse and checked the circuit for any other issues, but everything seemed to be in working order.