MEX-BT4000E, MEX-BT4000P, MEX-BT4000U, MEX-BT4050U, MEX-BT4054U - Sony Car Audio Service Manual (repair manual). Page 18

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MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
18
3-6.  SERVO  BOARD
 CD mechanism deck bottom side view 
 CD mechanism deck bottom side view 
6 SERVO board 
2 toothed lock screw
 (M1.7 
u 2.5)
5 optical pick-up (16 core)
 (CN101)
2 toothed lock screw
 (M1.7 
u 2.5)
3 claw
4 claw
CD mechanism deck
SERVO board 
1 Remove the eleven solders.
GRY
YEL
BLU
ORG
RED
BLK
RED
WHT
BLK
RED
WHT
6 SERVO board 
3 claw
4 claw
SERVO board 
2 toothed lock screw
 (M1.7 
u 2.5)
2 toothed lock screw
 (M1.7 
u 2.5)
1 Remove the eleven solders.
GRY
YEL
BLU
ORG
RED
BLK
RED
WHT
BLK
RED
WHT
5 optical pick-up (16 core)
 (CN101)
CD mechanism deck
Note: In this unit, the complete SERVO board has been changed in the 
midway of production. When replacing the complete SERVO 
board, refer to “ABOUT THE MG-101CA-188 OF FORMER 
AND NEW” on page 8.
• Former type
• New type
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