Check if the conductor pattern on the LGC board is short circuited or open circuited. Check if the connector pins are disconnected and the harnesses are open circuited. Check if the connector CN315 on the LGC board is disconnected. Check if the connector of the sensor is disconnected.
YES Is the tray-up sensor working? (Perform the input check in the test mode: 03-OFF//, //) NO 1.
Check if the connector CN316 on the LGC board is disconnected. Check if the connector of the tray-up motor is disconnected. Remedy: Does the tray go up? (Perform the output check in the test mode: 03-242/243) NO 1.Description: Upper drawer tray abnormality: The upper drawer tray motor is not rotating or the upper drawer tray is not moving normally.Check if the voltage supplied to the microcomputer input terminal IC5-17 is always “L” level. Check if the PLL lock signal CN246-7 output from the PFP board is always “L” level. Check if the conductor patterns on the PFP motor board, PFP board and LGC board are short circuited or open circuited. YES Is the LED on the PFP motor board lit without flickering? NO 1.
Check if the connector CN318 on the LGC board is disconnected. Check if the connector CN241 on the PFP board is disconnected. Check if the connector CN246 on the PFP board is disconnected. Check if the signal line connector CN506 of the PFP motor is disconnected. Remedy: Is the PFP motor working? (Perform the output check in the test mode: 03-109/159) NO 1.Description: PFP motor abnormality: The PFP motor is not rotating normally.Check if the voltage supplied to the CPU input terminal IC22-98 is always “L”? 3. Check if the PLL lock signal CN308-8 output from the LGC board is always level “L”? 2. Check if the conductor patterns on the main motor board and LGC board are short circuited or open circuited. YES Are there any damage or scratches on the main motor board? NO 1. Check if the connector CN308 on the LGC board is disconnected. Check if the connector CN1 of the main motor is disconnected.