XAV-742 - Sony Car Audio Service Manual (repair manual). Page 6

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.

ABOUT  THE  SECURITY  FUNCTION
This unit does not use security function by password lock.

Under normal conditions, the battery will last 
approximately 1 year. (The service life may be 
shorter, depending on the conditions of use.)
When the battery becomes weak, the range of the 
remote commander becomes shorter. Replace the 
battery with a new CR2025 lithium battery. Use of 
any other battery may present a risk of fire or 
explosion. 

Keep the lithium battery out of the reach of children. 
Should the battery be swallowed, immediately 
consult a doctor.
Wipe the battery with a dry cloth to assure a good 
contact.
Be sure to observe the correct polarity when installing 
the battery.
Do not hold the battery with metallic tweezers, 
otherwise a short-circuit may occur.

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