Block Diagram; Dvd(Servo) - Panasonic SCXH70 Service Manual

14 Block Diagram

14.1. DVD(Servo)

: CD/DVD AUDIO INPUT SIGNAL LINE : CD/DVD VIDEO INPUT SIGNAL LINE
OPTICAL PICKUP UNIT
A/a FP8531 VIN1
16
D/d FP8531 VIN2
19
C/c FP8531
VIN3
20
B/b FP8531 VIN4
15
E FP8531 VIN9
10
PHOTO DIODE
F FP8531
VIN10
14
FP8531
RF RF
17
VC (REF) FP8531 VREFH
12
FP8531
CD/DVD SW
18
VR-CD FP8531
8
VR-DVD FP8531
7
LASER DIODE
FP8531
DVD-LD
2
CD-LD FP8531
6
MD FP8531
5
ACTUATOR
T+ FP8531
22
TRACKING
COIL
T- FP8531
21
F+ FP8531
23
FOCUS
COIL
F- FP8531
24
IC8001
MN2DS0018MP
DV5.0 LSI
TRCCLK 76
98 VIN2RF
115 VIN7
97 VIN1RF
116 VIN8
99 VIN4RF
113 VIN5
DQM2 191
100 VIN3RF
114 VIN6
112 VIN9
111 VIN10
P4 49
96 RFINP
P3 48
109 VREFH
95 RFINN
TRCDATA3 80
Q8563 Q8565
DVD CD
SWITCH INVERTER 77 TRCDATA0
AD2 123
Q8564
DRV0 67
SWITCH
VHALF 110
Q8551,Q8552
AD4 124
DVD-LD DRIVE 104 LPCO1 PWM0 127
Q8561,Q8562
CD-LD DRIVE 106 LPCO2
PWM1 126
103 LPC1
105 LPC2
DRV1 66
AD1 122
AMUTE
INNER SW
IC8251
C0GBG0000048
4CH MOTOR DRIVER
TRVFTMUTE MUTE1,2
9 CH1,2 MUTE
SPMUTE MUTE3
27 CH3 MUTE
MUTE4
+3.3V 20 CH4 MUTE
LDCNT LDCNT
28 CNT
LDIN
24
-
BIAS1
25 +
TRIN
TRV DRV
26
-
VHALF BIAS1
+
1
FODRV VIN2
3
-
+
TRDRV VIN1
2
-
+
SP DRV VIN3
23
-
+
OPOUT
6
CH1
+
VO1+
14
-
LEVEL
SHIFTER
CH1
+
VO1-
13
-
CH2
+
VO2+
12
-
LEVEL
SHIFTER
CH2
+
VO2-
11
-
82
DVD MODULE P.C.B
LDIN FP8101 CN201
5
INNER SW FP8101 CN201
4
OPEN SW FP8101 CN201
6
FP8101 CN201
ZFLAG
7
TRAVERSE/SPINDLE
TRAVERSE
UNLOAD SW
FP8251
2
FP8251
3
TRAVERSE
INNER SW
CH4
+
VO4+ FP8251
15
-
7
LEVEL
M
SHIFTER TRAVERSE
MOTOR
CH4
+
VO4- FP8251
16
- 6
CH3
+ FP8251
VO3+
17
- 5
LEVEL
M SPINDLE
SHIFTER
MOTOR
CH3
+
VO3- FP8251
18
- 4
OPIN-
-
5
OPIN+
+
4
SA-PT75PH DVD(SERVO) BLOCK DIAGRAM
MAIN/D-AMP P.C.B
46
FROM/TO
47
SYSTEM CONTROL
45
44