DVP-FX720 - Sony DVD Service Manual (repair manual). Page 7

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Connecting the AC Adapter
Connect the AC adaptor (supplied) in the order of 
1 to 3 below.
To disconnect, follow the steps in reverse order.
See also “On AC adaptor” in “Precautions” (page 5).
Note
Stop playback before disconnecting the mains lead. Failure to do so may cause a malfunction.
DC plug
2
To DC IN 9.5V jack
AC Adaptor 
(supplied)
1
Mains lead
 (supplied)
To mains
3
14
Using with Battery Pack
When a mains connection is not available, the player can be enjoyed with the battery 
pack (supplied) installed.
Please charge the battery pack before using it.
See also “On battery pack” in “Precautions” (page 5).
Installing the battery pack
1
Aligning the battery pack with the lines on the player’s bottom, engage the 
hooks of the battery pack in the holes on the bottom of the player.
2
Slide the battery pack in the direction of the arrow until it clicks into place.
To remove the battery pack
Push the release knob and slide the battery pack in the direction of the arrow.
Bottom of the player
Battery pack
Release knob
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Notes
• Turn the player off before installing the battery pack.
• Do not remove the battery pack during playback.
• Do not touch the connecting points of the player and the battery pack. Doing so may cause a 
malfunction.
• Be careful not to drop the battery pack when installing and removing it.
16
Charging the battery pack
1
Attach the battery pack to the player (page 14).
2
Connect the AC adaptor to the player, and then connect the mains lead into a 
mains (page 13).
When charging begins, the CHARGE indicator turns on.
When charging ends, the CHARGE indicator turns off.
3
After charging is finished, disconnect the mains lead from the mains and 
remove the AC adaptor.
To check the battery level
When the player is stopped, a battery indicator is displayed on the screen. Recharge the 
battery, when 
 is displayed or the CHARGE indicator flashes.
The battery indicator is not displayed when a DVD, VIDEO CD or JPEG file are being 
played. Stop the player and check the battery level.
Charging time and maximum playing time
* This is the indication of the longest continuous playback on the following conditions.
– normal temperature (20°C)
– Headphone Use
– Set Backlight Adjustment to the Minimum
– Set “Digital Output” to “Off” in “Audio Setup.”
Battery condition may reduce operating time.
Charging time (with the player 
turned off)
Playing time (with the display 
turned on)
Approx.
5 hours
Approx.
5 hours*
CHARGE indicator
DC IN 9.5V jack
Player
Battery pack
Full
Exhausted
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