Philips VAD8041 Service Manual page 38

EN 38 9. VAD8041
Symbol
WRF
VREF
VIF
[1] Only in EFM bypass mode
[2] EFM clock and data when not in EFM bypass mode.
Circuit Descriptions, Abbreviation List, and Data Sheets
Pin Description
62 Single ended RF write input voltage
63 PDIC reference voltage output
64 Satellite segment F input