MEX-DV900, MEX-DV90EE - Sony Car Audio Service Manual (repair manual). Page 5

NOTE  FOR  REPLACEMENT  OF  THE  AUX  JACK 
(J901)
To replace the AUX jack requires alignment.
1.  Insert the AUX jack into the KEY board.
2.  Place the KEY board on the front panel.
3.  Solder the three terminals of the jack.

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 1: In this set, the SERVO board of two types exists. Repair after 

distinguishing which type set of the repair referring to supple-
ment-1.

Note 2: When soldering the short lands, solder within 5 seconds at the 

temperature 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.

NOTE  FOR  REPLACING  THE  MOUNTED  MAIN  
BOARD
If the mounted MAIN board was replaced, be sure to refer to Tech-
nical News published separately.