Sony HDW-750 Maintenance Manual page 508

11-3. Contents of Menus
1 1 1 C000 : CASSETTE SW 1 1
Checks the functions of the cassette ID sensor and the REC INHIBIT
sensor.
1. Select "C000 : CASSETTE SW" and press the rotary encoder.
2. Press the cassette ID sensor and the REC INHIBIT sensor with a
fingertip. Alternatively, insert a cassette tape so that the above
sensors are pressed down.
3. Check that the bit corresponding to the pressed sensor changes to
"1" on the display. (The bit corresponding to the un-pressed
sensor remains "0".)
(For details of the respective sensors, refer to Section 1-1-3,
"Sensor Layout Diagram and Function Description".)
m
If the bit that corresponds to the pressed sensor does not change to
"1", or does not return to "0" when released, check the following.
For the cassette ID sensor
. The corresponding cassette ID sensor (Refer to the table below.)
. Signal path between the MDC-13 board and the SS-92 board
For the REC INHIBIT sensor
. REC INHIBIT sensor (Refer to the table below.)
. Signal path between the SE-613 board and the MDC-13 board
. Signal path between the MDC-13 board and the SS-92 board
Sensor correspondence table
Cassette ID sensor
ID ID-1
Ref./ S308
MDC-13 board
REC INHIBIT sensor
ID B
Ref./ S1
SE-613 board
11-6
ID-2 ID-3 ID-4 ID-5
S304 S305 S303 S301
SERVO CHECK MENU
C000:CASSETTE SW
3:ID-3
5:ID-5
B:S REC INH
SW
ID-6
S302
1:ID-1 2:ID-2
4:ID-4
6:ID-6
B 312
B654321 5 4
0000000 6
HDW-750/750CE V1