Sony HCD-SHAKE33 Service Manual page 8

HCD-SHAKE33/SHAKE44/SHAKE55/SHAKE66/SHAKE77/SHAKE88
Ver. 1.1
Switching Regulator Board (Conductor side view) (HCD-SHAKE55/SHAKE66/SHAKE77/SHAKE88)
In checking the Switching Regulator board, make 3 capacitors discharge of C20, C28 and C18 for eletrical shock prevention.
800 /5 W
800 /5 W
PRECAUTION WHEN INSTALLING A NEW OP UNIT/PRECAUTION BEFORE UNSOLDERING THE STATIC
ELECTRICITY PREVENTION SOLDER BRIDGE (CDM90-DVBU202//M)
When installing a new OP unit, be sure to connect the fl exible printed circuit board fi rst of all before removing the static electricity
prevention solder bridge by unsoldering.
Remove the static electricity prevention solder bridge by unsoldering after the fl exible printed circuit board has already been connected.
(Do not remove nor unsolder the solder bridge as long as the OP unit is kept standalone.)
8
C20
C18
800 /5 W
C28