LG DP372D - Servo Block Diagram

3-23
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. SERVO BLOCK DIAGRAM
U401
AM5898N
Motor
Driver
DVD : A,B,C,D,RF CD : A,B,C,D,E,
F,RF
PICK
UP
Y201
U201
MTK1389P
P-DVDPLAYER
ONE CHIP
FMSO,DMSO,FOSO, TRSO,STBY,
V1P4
FO+, FO-,
TR+, TR-
27MHz X-TA
L
CDLD(LD01),DVDLD(LD02)
IOA
LIMIT
ALPC
MDI1,MDI2
Spi
Spi
ndle
dle
Mo
Mo
ter
SL-,SL+
Steppi
Steppi
ng
ng
Mo
Mo
ter
OP+,OP-
OP
O
SP-,SP+