Marantz CD7300 Service Manual page 6

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.
Description of the terms displayed on FL
start
T-Push Tm
Tray open
start
Tray close
<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 EASY JOG to 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.
Display
(Default Setting)
When open/close speed is too fast.
T- OffTim 003
Note) 001, 002, 003 cannot be set.
When vibration cannot be stopped
T- PushTm 070
by adjusting T-OnTime.
T- PullCt 040 When disc clamp miss happens. Set smaller number to make it better.
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.
T-On Time
T-OffTim
T-On Time
T-Push Tm
T-OffTim
T-PullCt
Description
open
T-PushTm
DC driving time on Tray open operation.
Tray is DC driven at start opening.
Then Tray is driven by pulse.
Time can be set between 0-2550ms.
T-On Time
Duration time of High in pulse drive.
close
Time can be set between 0-255ms.
T-OffTim
Duration time of Low in pulse drive.
Time can be set between 0-255ms.
T-PullCt
The number of pulses on Tray close
operation.
Bigger Number
open/close speed
becomes faster
open/close speed
becomes slower
4
Smaller Number
open/close speed
becomes slower
open/close speed
becomes faster