Sony HDCAM HDW-F900R Maintenance Manual page 17

1 Temperature sensor
Detects temperature and drives the fan.
2 Cassette-in sensor
Detects whether a cassette is inserted or not.
3 REC INHIBIT sensor
Detects REC INHIBIT plug of a cassette tape.
4 Tape end sensor
Detects the tape end of a tape that is running in the FWD direction.
5 Full top sensor
Detects whether the inserted cassette tape is in the full top position or not.
6 Humid sensor
Detects the dew condensation inside the unit.
7 Tape top sensor
Detects the tape end of a tape that is running in the REV direction.
8 Function cam sensor
Detects the rotary position of the function cam.
9 T-reel table assembly rotation sensor
Detects rotation of the take-up reel table with the use of the T-reel table assembly rotation sensor. The
FG generator output of this sensor is input to the servo circuit where diameter of the remaining tape is
calculated.
0 Cassette lock sensor (switch)
Detects whether the cassette compartment assembly is locked or not.
!- Cassette ID sensor
ID1 : Tape type
Detects the tape type (Oxide or Metal).
ID2 : Tape thickness
Detects thickness of the tape that is wound in the cassette tape inserted in the set, with the
use of the tab on the rear of a cassette tape.
ID3 : Reel hub diameter
The reel hub diameter of a cassette tape is different depending on the length of a tape that
is wound in the cassette tape. The reel hub diameter sensor detects the reel hub diameter
with the use of a tab on the rear of a cassette tape.
ID4 to 6 : Tape format
Detects whether a cassette conforms to the HDCAM format or not.
!= S-reel table assembly rotation sensor
Detects rotation of the supply reel table with the use of the S-reel table assembly rotation sensor. The
output of this sensor is input to the servo circuit where diameter of the remaining tape is calculated.
HDW-F900R/V1 (E)
1-7