HCD-SX7, HCD-SX7B - Sony Audio Service Manual (repair manual). Page 6

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HCD-SX7/SX7B
6
TEST  DISCS
Use following TEST DISC (for CD) when this unit confi rms the 
operation and checks it.
Part No.
   
Description
3-702-101-01 DISC 
(YEDS-18), 
TEST
4-225-203-01 DISC 
(PATD-012), 
TEST
J-2501-307-A DISC 
(HLX-A1), 
TEST
RELEASING  THE  DISC  TRAY  LOCK
The disc tray lock function for the antitheft of sample disc in the 
shop is equipped.
Lock function can be releasing by the following procedure.
Releasing Procedure:
1.  Press the [
@
/1
] button to turn the power on.
2.  Press the [MENU] button, then rotate [– TUNING + 
 >
] dial to select the “Function Select” and press the 
[PUSH ENTER] button, then rotate [– TUNING + 
 
>
] dial to select the CD function and press the [PUSH EN-
TER] button.
3.  Press two buttons of the [BACK] and [
@
/1
] simultaneously for 
fi ve seconds.
4.  The message “UNLOCKED” is displayed on the liquid crystal 
display and the disc tray is unlocked.
Note: When “LOCKED” is displayed, the disc tray lock is not released by 
turning power on/off with the [@/1] button.
CHECKING  THE  OPERATION  AFTER  REPAIR
After repair completion, connect the “iPod”, “Walkman”, “smart-
phone” etc. corresponding to this unit, and check the operation of 
playback, charge etc.
HOW  TO  OPEN  THE  TRAY  WHEN  POWER  SWITCH  TURN  OFF
Note 1: After the panel (top) is removed, this work is done.
Note 2: Please prepare the thin wire (clip etc. processed to the length of 8 cm or more).
1 Insert the clip etc. in the hole 
  of the chassis, and push the 
  lever in the direction of the 
 arrow.
2 Draw out the tray.
tray
Insert the clip etc. processed to the 
length of 8 cm or more in the hole 
on the side of the chassis and push.
8 cm or more
 Top view 
 Side view 
hole
Ver. 1.1
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