Philips 20MC4206/37, Service Manual

Page: 36 / 79

1-9-6
BLOCK DIAGRAMS < DVD Section >
DVD System Control / Servo Block Diagram
T8201BLSD
18 17 16
D
V
D-REMO
TE
19
CN1
S
D
ATA
CS
54 53 49
D
V
D-REMO
TE
FP-CLK
FP-DIN
FP-DOUT
55
D
VD MAIN CB
A UNIT
DRIVE CB
A
IC301
(SER
V
O
DRIVE)
CN301
M
SLED MOTOR
M
SPINDLE MOTOR
IC101
(MICR
O CONTR
OLLER)
+
-
+
-
+
-
+
-
+
-
+
-
+
-
SLED MO
T
O
R
DRIVE
FOCUS AC
T
U
A
T
O
R
DRIVE
SPINDLE MO
T
O
R
DRIVE
TRA
CKING
AC
T
U
A
T
O
R
DRIVE
126
TRA
Y
-IN
SLD
67
SPDL
66
TRA
CKING
DRIVE
127
FOCUS DRIVE
65
T
O
DIGIT
AL SIGNAL
PR
OCESS BLOCK
DIA
GRAM
FS(+) FS(-) TS(+) TS(-)
TRA
Y
-IN
6
SP(+)
5
SP(-)
1
TRAY-IN
4
GND
3
SL(-)
2
SL(+)
VREF
RESET
T
O
SYSTEM CONTR
O
L
BLOCK DIA
GRAM
<TV SECTION> CN001
70
15 16 14 13 12 11 17 18
23
6 4 5 3 1 2
25 24 27 26
63
SL-AMP
121
SP-R
O
T
+3.3V
EV+3.3V
124
FD-OFST
123
TD-OFST
SCLK
PWRCON
PWRCON
46
T
O
PO
WER SUPPL
Y
BLOCK DIA
GARAM
<TV SECTION>
IC202 (OP AMP)
1
2 6
7
5 3 9
8
10
SL-ADS
122
“
“ = SMD
NO
TE FOR
WIRE CONNECT
ORS:
1.
PREFIX SYMBOL "CN" MEANS CONNECT
OR.
(CAN DISCONNECT AND RECONNECT
.)
2.
PREFIX SYMBOL "CL" MEANS
WIRE-SOLDER
HOLES OF
THE PCB
.
(WIRE IS SOLDERED DIRECTL
Y
.)