DAV-DZ250M, DAV-DZ555M, DAV-DZ850M, HCD-DZ250M, HCD-DZ555M, HCD-DZ850M - Sony Audio Service Manual (repair manual). Page 10

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10
HCD-DZ250M/DZ555M/DZ850M
The wire (12P) that ties CN906 (POWER board) to CN506 (MAIN board)
Twist 1.5 circles and connect to CN906 fix wire 12P with LP as shown below.
(Must keep wire 12P away from the HEAT SINK, and can not touch it.)
LP501
CN906
Setting the DMPORT board (DZ555M/DZ850M)
The FFC 9P is the wire that ties CN201 (DMPORT board) to CN301 (IO-S-OUT board).
Please tuck the FFC 9P under the DMPORT board as shown Fig.-2.
(Fig.-2)
8 mm
DMPORT
Board
CN201
CN301
IO-S-OUT Board 
FFC 9P
Tuck in
  
 
(Fig.-1)
IO-S-OUT Board 
FFC 9P
CN201
(Fig.-1)
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