“F17”---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)or the magnetic 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.Caution for Replacing EEPROM IC (IC502) and System Control IC (IC501)

Please be sure to perform “Laser power adjustment”, “Off-set automatic adjustment”, “Playback -only disc auto-adjustment” and “Magneto-optical disc auto-adjustment” after exchangingeither EEPROM IC (IC502) or the system control IC (IC501). (Please refer to “6. Measurements and Adjustment” about the adjustment method)

10. Schematic Diagram Notes

10.1. Schemtic Diagram Notes

This schematic diagram may be modified at any time with the development of new technology.

Notes:

: Magnetic head up switch (M.HEAD UP) S1

: PROTECT det., OP/ CL switch S501

: Play / record / pause switch () S801

: Recording pause / LP recording switch (REC S802 / LP MODE)

: Stop / operation off switch (OPR OFF) S803

: Forward skip switch () S804

: Reverse skip switch () S805

: Volume + switch (VOL+) S806

: Volume - switch (VOL-)

S807

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Panasonic SJ-MR230DGK specifications Schematic Diagram Notes, Schemtic Diagram Notes

SJ-MR230DGK specifications

The Panasonic SJ-MR230DGK is an innovative and versatile portable audio solution that offers a unique blend of style, functionality, and cutting-edge technology. Designed for music enthusiasts, this device delivers high-quality sound and is packed with features that cater to both casual listeners and audiophiles alike.

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In terms of sound quality, the SJ-MR230DGK employs advanced audio technologies that are designed to enhance the listening experience. With a high-fidelity audio output, users can enjoy rich bass, clear mids, and crisp highs, while the customizable equalizer settings allow for personalization according to individual preferences. This feature makes it an excellent choice for varying music genres, ensuring that each note is delivered with precision and depth.

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In summary, the Panasonic SJ-MR230DGK is a remarkable portable audio device that stands out due to its robust sound quality, extensive features, and stylish design. Its combination of portability, advanced audio technologies, and ease of use makes it an excellent choice for anyone looking to elevate their music listening experience. Whether you’re at home or on the move, the SJ-MR230DGK promises to deliver a captivating auditory experience that will resonate with music lovers everywhere.