Transmitter Vcxo Test; Figure 16 Transmitter Vcxo Test - Philips 50 T Series Service Manual

Transmitter VCXO Test

Transmitter VCXO Test

1. Open the battery compartment of the Transmitter and remove the
batteries.
2. Turn over the transmitter and remove the screw.
3. Pull up the housing top and lift out the Transmitter Board Assembly
from the bottom housing.
4. Place the Transmitter Board Assembly into housing top again and load
the batteries. Ensure the power switch manipulator is in the off
position.
5. Switch on the Transmitter.
Note— Ensure that no Transducers are connected to the Cardio or Toco
Sockets.
6. Connect an Oscilloscope ( 1 MOhms input impedance).
7. Ground to the marked ground point and the probe to position.
Figure 17 Transmitter VCXO Test
Chapter 8 - RF Bench Repair