Sony MDP-440 MDP-640D Service Manual page 47

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MP-31 (SYSTEM CONTROL, SPINDLE SERVO), SW-163 (TRAY SWITCH), LS-32(LD SENSOR), SW-164 (CHUCK SWITCH), MT-52 (LOADING MOTOR) PRINTED WIRING BOARDS
~ Ref. No. MP-31 BOARD: 1,000 Series, SW-164 and MT-52 BOARDS: 2,000 Series, LS-32 BOARD: 3,000 Series, SW-163 BOARD: 5,000 Series —
SW-163 BoarD
$401
CHUCK
UP/DOWN SWITCH
at bind wig oan
CHUCK UP — CHUCK DOWN
¢ o-— : Indicates lead wire mounted on the component
'id.
Pattem from the site which enables seeing
attorn ofthe roar sid.
(Gscled numbers referto wavetonms,
+ dumper wire connected to the ground pattem on the
'componont sie.
+ dumper wito connected tothe pattern on the compo-
pent ede.
~70-
n=
LS-32
BOARD
SYSTEM CONTROL
SYSTEM CONTROL
-72—

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