Zenith DVT654, Service Manual

Page: 34 / 87

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3. SERVO Block Diagram
IC201
IP4504
Motor Dr
iver
DVD: A,
B,C
,D,
RFO
CD:
A
,B
,C,D
, E,
F,RF
O
SP+, SP-
M/D
PICK
UP
FOS
O
,TRS
O,FM
S
O
DMSO,,TROPE
N
ADIN
F+, F-,
T+, T-
SL
+
, SL
-
LOAD+, LO
AD
-
LD
0 1
, LD
O 2,
I
O
A
MDI 1
ALPC
V
2
0,
P
ICK
SE
L
L
IMIT,TR
IN,TR
O
UT
TRCL
OSE
STB
Y
,V
1
P
4
IC6
0
3
4M x 16
bit
SDRAM
MA
[0
:1
1
]
DQM0 ,DQM1 W
E
#,CAS#
,RAS#
C
S#,BA0,
BA1
SDC
L
K
SDC
K
E
DQ[0:15]
FLASH
RO
M
PR
D#, PWR#
PC
E#
AD[0:7
]
A[0
:20]
EE
P
RO
M
SC
L, SD
A
RS2
3
2C(MTK)
RX
D, TXD
X601
27MHz X-TAL
IC601
MT1389
DVDPLAYER
ONE CHI
P