Panasonic SJ-MD150, Servise Manual

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2. With no MD loaded in the unit, press and hold the STOP button ( ) for at least 2 seconds. And then while still
pressing the STOP button ( ), press the F. SEARCH button ( ) for at least 2
seconds. The unit is set to the self-diagnostic function and is displayed “MD TEST”. Then error code is displayed, if any.
Refer to
Fig. 6-1. For details of error codes, refer to Table 6-1.
Caution:
If more than one error exists, the display will sequentially show the respective error codes each time the F. SEARCH
button ( ) is pressed.
Fig. 6-1.
Table 6-1.
Error code Symptom Possible cause
F15 Interval till MD starts playing is too
long. -
Traverse det. switch (S8) is defective; Check and replace if necessary.
F26 MD is loaded but cannot be played. -
Communications error between the servo processor IC and the microprocessor IC
(system control). Check if the flexible circuit board is disconnected.
-
Displayed when the disc is scratched too.
F28 MD cannot be loaded. -
Confirm that the disc is not catching on anything.
-
The connection (flexible circuit board or connector cable) between the MD unit and th
MD servo circuit board is disconnected or damaged; check and replace if necessary.
-
The MD unit may be malfunctioning; replace it.
F29 MD cannot be ejected. -
Confirm that the disc is not catching on anything.
-
The connection (flexible circuit board or connector cable) between the MD unit and th
MD servo circuit board is disconnected or damaged; check and replace if necessary.
-
The MD unit may be malfunctioning; replace it.
6.2. Canceling the self-diagnostic function
The self-diagnostic function can be canceled by pressing the POWER button (POWER) to turn the system off.
And then pressing the power button to turn it on again.
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