MARANTZ - CD-7300 - SERVICE MODE - ERROR CODE DISPLAY - Emergency Eject

SERVICE MODE

• While pressing DISPLAY and QUICK REPLAY buttons, press POWER button.  Mode0 (Display :   Ver : P00 Version number of the micro computer is displayed).  Status: [FOCUS OFF] [SPINDLE OFF] [RADIAL OFF] [MUTE ON]
• While pressing ►► and ◄◄ buttons, the sledge  moves toward the outer edge.  Release the button makes the sledge return to the origin.
• Press EASY JOG or NEXT ►►| button on the remote to go to Mode 1.

Mode 1 (Display : Ver : P01). Status: [FOCUS ON] [SPINDLE OFF] [RADIAL OFF] [MUTE ON].

• Press NEXT ►►| button to go to Mode 2.
• Press PREV |◄◄ button to go to Mode 0.

Mode 2 (Display : Ver : P02).  Status: [FOCUS ON] [SPINDLE ON] [RADIAL OFF] [MUTE ON]

• Press NEXT ►►| button to go to Mode 3.
• Press PREV |◄◄ button to go to Mode 1.

Mode 3 (Display : Ver : P03).  Status: [FOCUS ON] [SPINDLE ON] [RADIAL ON] [MUTE OFF]

• Press PREV |◄◄ button to go to Mode 1.
• In this Service Mode, all of the following button functions work in any status.

1. Press DISPLAY button to light up all the FL segments. Press it again then each FL segment lights up one by one.
2. Press STOP button. Then press a button on the unit. The name of the button is displayed. Pressing a button on the remote displays the RC-5 code of the button.
3. Press PLAY button in Mode 1, 2 or 3 then normal operation can be performed. If an error occurs the error number is displayed.

Terminating Service Mode

Turn off power to quit Service Mode.

ERROR CODES & DETAILS

DISASSEMBLY

Emergency Eject

• To open the stucked tray, insert a pin into the eject pinhole and push the eject lever.
• Use a pin φ 4mm or less.

This picture shows the unit upside down. The eject lever is pointed by the arrow.  The lever is thin so aim the narrow area carefully.

When removing the flat wire PS01, connecting the optical pick up and the CD decoder board, short-cut the two lands pointed by the arrow with solder. Otherwise the laser diode may be damaged by static electricity.

CD Decoder Board (PS01) Repair

When Repairing the CD decoder board PS01, you can fix the board on the loader unit as shown in the picture below with the flat wires that are provided as service parts.

Disk Tray Open/Close Speed Adjustment

• Open/Close speed of the tray can be changed.
• When vibration occurs upon tray open/close and some unusual behavior happens, change the tray speed to stop vibration.

Vibration on Disc Tray Open / Close

Step 1.  With pressing DISPLAY and QUICK REPLAY buttons, press POWER button.

Step 2.  Press EASY JOG button. “T-OnTime 015”(means Tray On Time 015ms default) is displayed.

Turn n EASY Jogtrot change tray open/close speed from 000 to 255ms. Turn the number smaller to make the open/close speed slower. Turn the number bigger to make the speed faster. Set bigger number to stop the tray vibration. But the open/close speed becomes faster. Press EASY JOG button again.

The display changes as shown below so you can change other parameters for the open/close speed.

Step 3.Press EASY JOG button to complete adjustment.

Step 4.Press STOP button to store the settings in memory.

To reset all the settings to default status, press number 0 button in Service Mode 0  (Display : Ver   P00).

When miss-operated, press number 0 button to retry.

{Click on pictures to Zoom In}