Figure 22 Receiver Vcxo Test - Philips 50 T Series Service Manual

Chapter 8 - RF Bench Repair
Figure 23 Receiver VCXO Test
The Spectrum Analyser should be set as follows:
START frequency
STOP frequency
Resolution Bandwidth
Video Bandwidth
Reverence Level
The Spectrum Analyser measurement must be:
Frequency
Level
2. If the level is lower the Receiver VCXO is to be replaced. If the
frequency and level are correct the Receiver Assembly needs to be
replaced.
400 MHz
500 MHz
100 kHz
100 kHz
+10 dBm
Channel Frequency + 21 .400 MHz
+/- 5kHz
> - 6 dBm
Receiver VCXO Test