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DVD I BLOCK DIAGRAM
DVD MECHANISM UNIT
DVD SUB C.B.A.
SW+3.3V
SW8952
CLOSE
CN8951
4
CN8951
5
SW8953
OPEN
TP8954
A
CN9852
CN8951
LOADING
2
3
MOTOR
CN9852
CN8951
1
2
P8901
V-REF
21
Q8906
TP8903
P8901
HFM
SW+5V
4
TP8906
Q8905
P8901
FOCUS
26
ACTUATOR
P8901
25
P8901
TRACKING
24
ACTUATOR
P8901
23
TP8802
C
P8801
TRAVERSE
2
MOTOR
P8801
1
B
TP8801
P8801
5
P8801
6
P8801
SPINDLE
7
MOTOR
P8801
8
P8801
9
P8801
10
P8801
11
P8801
12
P8801
13
DVD MAIN C.B.A.
P8802
4
P8802
5
IC8801 (SERVO DRIVER)
P8802
46
LOADING
LEVEL
3
P8802
MOTOR DRIVE
SHIFT
45
2
V1
1.0 Vp-p
TP8923
1 V
10 s
TP8925
(During Loading)
31
FOCUS
37
ACTUATOR
DRIVE
36
33
TRACKING
35
ACTUATOR
DRIVE
34
47
TRAVERSE
LEVEL
MOTOR DRIVE
SHIFT
48
4
5
HALL AMP
6
/REVERSE
PROTECT
7
8
9
10
DUTY
11
MATRIX
CONTROL
18
IC8001 (DVD SIGNAL PROCESSOR/DVD MICROCONTROLLER)
TRAY CLOSE DETECT(L)
66
TRAY OPEN DETECT(L)
67
V-REF(H)
127
HFMON
77
TP8809
21
78
LOADING MOTOR CONTROL
V1
1.0 Vp-p
1 V
10 s
(During Unloading)
22
23
FOCUS MOTOR CONTROL
24
148
29
28
TRACKING MOTOR CONTROL
26
147
53
75
TRAVERSE MOTOR CONTROL
52
TP8814
V1
0.5 Vp-p
1 V
5 ms
CURRENT
MOTOR
19
DETECTOR
VM+6V
TP8808
SPINDLE MOTOR CONTROL
20
76
3,19,25,50
VCC
+6V
54
VCC
+5V
TP8009
P8401
DVD READY(L)
DVD READY(L)
71
5
TP8010
P8401
DVD RESET(L)
DVD RESET(L)
73
7
TP8005
P8401
HOST READY(L)
HOST READY(L)
82
1
TP8008
P8401
DVD SERIAL DATA 0
DVD SERIAL DATA 0
70
4
TP8007
P8401
DVD SERIAL DATA 1
DVD SERIAL DATA 1
69
3
TP8006
P8401
DVD SERIAL CLOCK
68
DVD SERIAL CLOCK
2
TP8011 TP8523 TP8813
P8402
M VM+6V
M VM+6V
4
P8402
ACT VM+5V
ACT VM+5V
3
P8402
SW+5V
SW+5V
10
P8402
SW+3.3V
SW+3.3V
8,9
IC8004 (EEPROM)
2
2
I
C SERIAL CLOCK
59
6
I
C SERIAL CLOCK
I
2
C SERIAL DATA
I
2
C SERIAL DATA
60
5
+D3.3V
8
VCC
PV-D4734S/PV-D4744/PV-D4744S/PV-D4754S/PV-D4734S-K/PV-D4744S-K/PV-D4754S-K
FROM/TO
SYSTEM CONTROL
BLOCK DIAGRAM
FROM
POWER SUPPLY
BLOCK DIAGRAM
A
V1
2.3 Vp-p
1 V
10 s
(During Loading)
V1
2.3 Vp-p
1 V
10 s
(During Unloading)
B
1.8 Vp-p
V1
2 V
5 ms
C
2.0 Vp-p
V1
2 V
5 ms
DVD I BLOCK DIAGRAM
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