Sylvania 6620 LDF, Руководство по обслуживанию

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9-7
BLOCK DIAGRAMS < DVD SECTION >
System Control / Servo Block Diagram
L3250BLSD
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
147
TRA
Y
-IN
SLD
75
SPDL
76
TRA
CKING
DRIVE
148
FOCUS DRIVE
66
FS(+) FS(-) TS(+) TS(-)
57 56
AD
A
C-MC
86
AD
A
C-ML
88
AD
A
C-MD
A
UDIO-MUTE
163
PCM-SCLK
TRA
Y
-IN
3
SP(+)
4
SP(-)
5
TRAY-IN
6
GND
7
SL(-)
8
SL(+)
VREF
RESET
73
RESET
IC462
1
3
+3.3V
IC202 (OP AMP)
15 16 14 13 12 11 17 18
23
6 4 5 3 1 2
25 24 27 26
143
SP-R
O
T
146
FD-OFST
139
TD-OFST
RESET
IC461
2
1
+3.3V
T
O
DIGIT
AL SIGNAL
PR
OCESS BLOCK
DIA
GRAM
DRIVE CB
A
D
V
D MAIN CB
A UNIT
CN1761
LCD MAIN CB
A UNIT
CN401
1
DISC-OUT
1
25
TREDCONTV
25
140
SL-ADS
DISC-IN
1
2 6
7
5 3
3
DISC-IN
3
2
DISC-OUT
2
CN801
CN5001
DISC-OUT
SENSOR CB
A
+3.3V
1
LED-PO
WER
1
Q802
Q804
Q801
81
DISC-IN
78
DISC-OUT
TO SYSTEM CONTR
OL
BLOCK DIA
GRAM
< LCD
TV SECTION >
59
D
V
D-PWR-CON
60
FP-CLK
82
FP-DIN
67
REMO
TE
61
S
D
ATA
23
REMO
TE
23
22
SD
A
T
A
22
20
FP-DIN
20
19
FP-CLK
19
18
D
VD-PWR-CON
18
21
DISC-IN
21
D
V
D-PWR-CON
FP-CLK FP-DIN
S
D
ATA
REMO
TE
TREDCONTV
DISC-OUT
DISC-IN
T
O
A
UDIO
BLOCK DIA
GRAM
AD
A
C-MD
AD
A
C-MC
AD
A
C-ML
A
UDIO-MUTE
PCM-SCLK
1 NOTE:
Either IC461 or IC462 is used for DVD MAIN CBA UNIT.