Panasonic SA-AK310GC, Service Manual, Page: 61 / 185

10.2 Error detection for CD Changer block
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NO. Error ErrorDisplay Problem condition
1 REST SW detection error F15 CD does not function.This error occurs when the Optical Pick Up REST SW
(S701) is not
detected within the specified time (about 8 seconds)
2 CD tray opens automatically F16 CLAMP switch (SW4) NG (Check & Replace)
3 Does not startup when [PLAY]button is pressed F17 BOTTOM switch (SW5) NG (Check & Replace)
4 Transmission error between CDservo LSI and micon F26 CD does not function.This error occurs when the POWER is ON for the CD
block and an error is
detected after the transmission has started.
5 Startup fails even when youinsert CD or the selected
disc tray
does not open F27 Tray 1 detect switch or Tray 2 detect NG (Check & Rplace)
6 Cannot insert CD F28 Tray 1 detect switch NG (Check & Replace)
7 Cannot eject CD F29 Check if disc is stuck. Tray 2 detect switch NG (Confirm & Replace)
8 The CD tray closes H15 CD disc tray detect switch NG (SW3) (check & Replace)