DAV-TZ215, DAV-TZ715, HBD-TZ215, HBD-TZ715 - Sony Audio Service Manual (repair manual). Page 4

RELEASING  THE  DISC  TRAY  LOCK
The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.

Releasing Procedure :
1.  Press the [

?/1

] button to turn the power on.

2.  Press the [FUNCTION] button to set DVD/CD function.
3.  Press the [

x

] button and the [Z] button simultaneously for fi ve 

seconds again.

4.  The message “UNLOCKED” is displayed and the tray is un-

locked.

Note: When “LOCKED” is displayed, the tray lock is not released by 

turning power on/off with the [?/1] button.

HBD-TZ215: Indian model (E12)

4-296-217-0[]

HBD-TZ215: Middle East & African 

models (E3)

4-296-217-1[]

HBD-TZ215: Latin American model 

(E32)

4-296-217-2[]

HBD-TZ715: Middle East & African 

models (E3, E93)

4-296-217-3[]

HBD-TZ215: Saudi Arabia model

4-296-217-4[]

HBD-TZ715: Singapore model

4-296-217-5[]

HBD-TZ715: Chinese model

4-296-217-6[]

HBD-TZ715: AEP model

4-296-217-8[]

NOTE  OF  REPLACING  THE  IC507  AND  IC1501  ON  
THE  MAIN BOARD
IC507 and IC1501 on the MAIN board cannot exchange with 
single. When these parts are damaged, exchange the complete 
mounted board.

HOW  TO  OPEN  THE  DISC  TABLE  WHEN  POWER 
SWITCH  TURNS  OFF
Insert a tapering driver into the aperture of the unit bottom, and 
slide it in the direction of the arrow.

When installing a new OP unit, be sure to connect the fl exible 
printed circuit board fi rst of all before removing the static electric-
ity prevention solder bridge by unsoldering. 
Remove the static electricity prevention solder bridge by unsolder-
ing after the fl exible printed circuit board has already been con-
nected. (Do not remove nor unsolder the solder bridge as long as 
the OP unit is kept standalone)