XAV-70BT, XAV-E70BT - Sony Car Audio Service Manual (repair manual). Page 5

NOTE  FOR  FLEXIBLE  BOARD  OF  THE  OPTICAL  
PICK-UP
When connecting or disconnecting the fl exible board of the opti-
cal pick-up to or from the CN2 of the SERVO board, follow the 
procedure given below.

Note: When soldering the short lands, solder within 5 seconds at the tem-

perature of soldering iron below 300°C.

Disconnection:
1.  Solder two shortland.
2.  Disconnect the fl exible board from the CN2 of the SERVO 

board.

Connection:
1.  Connect the fl exible board to the CN2 of the SERVO board.
2.  Unsolder two shortland.

RELEASING  METHOD  OF  SECURITY
1.  Releasing Method from Normal Screen
Procedure:
1.  Touch the “TOP” button on the monitor, next, touch the “

” 

button on the monitor to display the following screen (setup 
screen) on the monitor.

 
2.  Touch the “Security Control” button on the monitor.
3.  When the user is setting the security code, the following screen 

is displayed on the monitor.

 
4.  When you know the security code, touch the number of secu-

rity code on the monitor (When you don’t know the security 
code, refer to 2. releasing method after cold start). When the 
security code agrees, screen shifts to the setup screen (Even if 
you make a mistake in the security code, you can input it again 
and again).

5.  When the user isn’t setting the security code, the following 

screen is displayed on the monitor.

 
6.  You can set the security code by inputting the same code twice.
 
2.  Releasing Method after Cold Start
Procedure:
1.  When the user is setting the security code, after the cold start, 

the following screen is displayed on the monitor.

 
2.  When you know the security code, touch the number of secu-

rity code on the monitor. When the security code agrees, screen 
shifts to the initial setting screen (Even if you make a mistake 
in the security code, you can input it again and again).

3.  When you don’t know the security code, input of master code 

on the remote commander. Master code is confi rm to service 
headquarters. When the master code agrees, screen shifts to the 
initial setting screen (Even if you make a mistake in the master 
code, you can input it again and again).

4.  When the user isn’t setting the security code, after the cold 

start, the following screen is displayed on the monitor.

 
5.  Touch the “OK” button on the monitor to display the normal 

screen on the monitor.