Philips PM 5508 Operating Manual page 42

45
Fig. VII-19. Vectorscope display of the "PHASE"-pattern
1. •
Check and, if necessary, readjust the circuit of the subcarrier rege-
nerator in the receiver according to the instructions in the Service
Notes of the relevant set.
2. •
Check that the upper and lower parts of the pattern produce the same
colours during the same vertical bars. If the colours differ, the chroma
demodulators are not adjusted correctly.