Toshiba 4511 Marine Radio User Manual


 
e-STUDIO3511/4511 TROUBLESHOOTING 5 - 44 November 2003 © TOSHIBA TEC
[C180] LCF tray motor abnormality
Does the tray move? (Perform the output check: 03-271)
NO 1. Check if the connector of the LCF tray motor is disconnected.
2. Check if any of the connectors CN100, CN101 and CN103 on the LCF board is
disconnected.
3. Check if the connector CN332 on the LGC board is disconnected.
4. Check if the connector pins are disconnected or the harnesses are open circuited.
5. Check if the conductor patterns on the LCF board and LGC board are short
circuited or open circuited.
6. Replace the LCF board.
7. Replace the LGC board.
YES
Are the LCF tray-up sensor and LCF tray bottom sensor working?
(Perform the input check: 03-[FAX]OFF/[5]/[F], /[3]/[A])
NO 1. Check if the connectors of the sensors are disconnected.
2. Check if any of the connectors CN100, CN104 and CN105 on the LCF board is
disconnected.
3. Check if the connector CN332 on the LGC board is disconnected.
4. Check if the slit reaches the sensors.
5. Check if the connector pins are disconnected or the harnesses are open circuited.
6. Check if the conductor patterns on the LCF board and LGC board are short
circuited or open circuited.
7. Replace the LCF board.
8. Replace the LGC board.
YES
1. Check if the conductor pattern on the LGC board is short circuited or open circuited.
2. Replace the LGC board.