Sony DNW-A75 Maintenance Manual page 117

C023 : CLEANING ROLLER
This submenu checks the function of a cleaning roller solenoid.
Checking
(1) Press the SET button.
. Check to see that a cleaning roller momentarily touches the drum before
releasing it from the drum.
c
The cleaning roller solenoid causes burning when it remains activating.
If the cleaning roller is not away from the drum, turn off the power immediately.
(2) To finish the check, press the MENU button once.
In case of NG
. Check the mechanical abnormality.
. Check the cleaning roller solenoid driver circuit on the DR-315 board.
. Check the cleaning roller solenoid itself.
DNW-A75/A75P
Cleaning roller solenoid
Locations of Cleaning Roller and Cleaning Roller Solenoid
Cleaning roller
(Unthreading end state)
4-2. TAPE Maintenance Mode (M0)
4-2-2. SERVO CHECK Mode (C00-03)
SERVO CHECK
PLUNGER SOLENOID
C023:CLEANING ROLLER
4-27