XAV-712BT, XAV-712HD - 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.

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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