Sony BVW-55 Maintenance Manual page 84

3-2. TAPE Maintenance Mode (M0)
3-2-2. SERVO CHECK Mode (C0)
C001 : CASSETTE COMP. LOCK SW
This submenu checks the locking switch function of a compartment.
(1) Press down the cassette compartment.
. Confirm that the message on the LCD monitor from "OFF" to "ON!".
(2) Press the MENU button when terminating the check.
In case of NG
. Check the cassette compartment down sensor on the SV-206 board.
. Check the sensor input port of MPU (IC305 on the SV-206 board).
3-12
Cassette compartment down sensor
INPUT CHECK
C001:CASSETTE COMP. SW
OFF
INPUT CHECK
C001:CASSETTE COMP. SW
ON!
Cassette compartment down sensor
BVW-55