Check if the conductor patterns on the PFP board and LGC board are 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 any of the connectors CN241 and CN246 on the PFP board is disconnected. Check if the connector of the sensor is disconnected. 2 Is the tray-up sensor working? (Perform the input check in the test mode: FS-03- ON//, FS-03- ON//) Yes 3 No 1.
Check if any of the connectors CN241 and CN244 on the PFP board is disconnected. Check if the connector of the tray-up motor is disconnected. Remedy: 1 Does the tray go up? (Perform the output check in the test mode: FS-03- 278, FS-03-280) Yes 2 No 1.Causes: PFP board LGC board Tray-up motor Tray-up sensor.Description: PFP upper drawer tray is abnormal PFP lower drawer tray is abnormal.Check if the conductor pattern on the LGC board is short circuited or open circuited. Check if the connector CN316 on the LGC board is disconnected. 2 Is the tray-up sensor working? (Perform the input check in the test mode: FS-03- OFF//, FS-03- ON//) Yes 3 No 1. Check if the connector CN318 on the LGC board is disconnected.
Check if the connector of the lower tray-up motor is disconnected (J677). Check if the connector of the upper tray-up motor is disconnected. Remedy: 1 Does the tray go up? (Perform the output check in the test mode: FS-03- 242, FS-03-243) Yes 2 No 1.Causes: LGC board Upper tray-up motor Lower tray-up motor 1st drawer tray-up sensor 2nd drawer tray-up sensor.Description: 1st drawer tray is abnormal 2nd drawer tray is abnormal.Check if the voltage supplied to the microcomputer input terminal IC5-17 is always “L” level.
Check if the PLL lock signal CN245-7 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. 2 Is the LED on the PFP motor board lit without flickering? Yes 3 No 1. Check if the connector CN241 on the PFP board is disconnected. Check if the connector CN245 on the PFP board is disconnected. Check if the signal line connector J952 of the PFP motor is disconnected.