Panasonic SL-SX430EB, Service Manual

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2. the waveform or voltage of the servo IC’s are correct. (check the
waveform or voltage.)
Note:
It is not always necessary to exchange the traverse deck when an error message is displayed.
Be sure to check if the circuit is defective or not before exchanging the traverse deck.
Note:
If any other disc than the test disc (SZZP1054C) is used, an error message may be displayed.
This is not a malfunction.
8. Display of Self-Diagnostic Function
This model is equipped with a self-diagnosis function and shows, when necessary, the following
indication in the LCD section of the set.
“F15”---This indication appears when the Down switch fails to turn ON since the magnetic head
fails to move up/down normally (Due to trouble of the magnetic head or trouble of the magnetic
head up/down motor)orthemagnetic head P.C.B. is out of position or a foreign matter has mixed
in or for some other reason.
In such a case, check the peripheral parts of the magnetic head, repair or replace defective parts
with normal ones.
9. Type Illustration of IC's, Transistors and Diodes
10. Schematic Diagram Notes
Note:
S201:
Laser ON/OFF switch in “ON” position. / (It turns “ON” with CD
Lid.)
S202:
Rest switch in “OFF” position. / (It turns “ON” when optical pickup
comes to innermost periphery.)
S310:
Hold (HOLD) switch in “OFF” position.
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