Panasonic sc en 33 gcs service manual

Page 2

Take off clamper & test disc One time, after moving to inner, moves 2~3mm to outer track Laser pickup movement Laser move up & down Laser diode blinking R7601 voltage at terminalsR7601 voltage at terminals Test disc IC7002 Pin11, 12IC7002 Pin13, 14 IC7002 Pin15, 16 output IC7001 Pin25 (FOP)CN7002 Pin2 (RESET_SW)CN7002 Pin2 (RESET_SW) IC7001 Pin23 (TRV) Spindle motor NG IC7002 NGIC7001 NG IC7001 NG IC7002 NG IC7002 NGTraverse unit NG Laser pick-up NG (Laser diode NG) Q7601 NG or Laser pick-up NGLaser pickup NGLaser pick-up NGLaser pick-up position Inner track limit switch (S7201) NG OpenInner track limit switch (S7201) Short Q7601 voltage Change all non CD functions to CD Change all non CD functions to CDNot moving Outer track, or middle Inner track NO Above 0.2V Above 0.4V Above 0.6V Below 0.2VBelow 0.4V Below 0.6V YES YESNONGL H NGNG OK OKOK OK NG NG 3 SC-EN33 GCS / SC-EN33 P C FLE07 06