Panasonic PV-D4733S-K Service Manual page 107

DVD I BLOCK DIAGRAM
DVD MECHANISM UNIT DVD SUB C.B.A.
SW8952
CLOSE
SW8953
OPEN
A
CN9852
LOADING 2
MOTOR
CN9852
1
P8901
V-REF
21
Q8902
P8901
HFM
SW+5V
4
TP8954
Q8901
P8901
FOCUS 26
ACTUATOR
P8901
25
P8901
TRACKING
24
ACTUATOR
P8901
23
TP8802
D
P8801
TRAVERSE
2
MOTOR P8801
1
C
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.
CN8951 P8802
4 4
CN8951 P8802
5 5
IC8801 (SERVO DRIVER)
CN8951 P8802
46
3 3 LOADING LEVEL
MOTOR DRIVE SHIFT
CN8951 P8802
45
2 2
TP8971
31
FOCUS
37
ACTUATOR
DRIVE
36
33
35 TRACKING
ACTUATOR
34 DRIVE
47
TRAVERSE LEVEL
MOTOR DRIVE SHIFT
48
4
5
6 HALL AMP
/REVERSE
PROTECT
7
8
9
10
DUTY
11 MATRIX
CONTROL
18
IC8001 (DVD SIGNAL PROCESSOR/DVD MICROCONTROLLER)
54 TRAY CLOSE DETECT(L)
TRAY OPEN DETECT(L)
53
V-REF(H)
36
HFMON
72
TP8809
B
LOADING MOTOR CONTROL
21 78
TP8620
F
113
22
23
FOCUS MOTOR CONTROL
24 152
29
28
TRACKING MOTOR CONTROL
26 150
TRAVERSE MOTOR CONTROL
53 70
52
E
TP8814
CURRENT MOTOR
19
DETECTOR VM+6V
TP8808
SPINDLE MOTOR CONTROL
20 71
3,19,25,50
VCC +6V
VCC 54 +5V
TP8006
P8401
DVD READY(L) 65 DVD READY(L)
TP8007
5
P8401
DVD RESET(L) DVD RESET(L)
68
TP8002 7
P8401
HOST READY(L) HOST READY(L)
61
1
P8401
DVD SERIAL DATA 0 DVD SERIAL DATA 0
64
4
P8401
DVD SERIAL DATA 1 63 DVD SERIAL DATA 1
TP8003
3
P8401
DVD SERIAL CLOCK 62 DVD SERIAL CLOCK
2
P8401
PROGRESSIVE ON(H) PROGRESSIVE ON(H)
47
17
A
1 V
P8402
M VM+6V
M VM+6V
1
P8402
ACT VM+5V ACT VM+5V
TP8414
2
P8402
SW+5V
SW+5V
TP8016 5
P8402
SW+3.3V
SW+3.3V
6
1 V
1 V
B
1 V
1 V
C
2 V
D
2 V
E
IC8002 (EEPROM)
I 2 C SERIAL CLOCK I 2 C SERIAL CLOCK
59 6
2 I C SERIAL DATA 60 5 I 2 C SERIAL DATA
1 V
F
200 mV
PV-D4733S-K/PV-D4753S-K/PV-D4763S-K
FROM/TO
SYSTEM CONTROL
BLOCK DIAGRAM
V1 2.3 Vp-p
10 s
(During Loading)
V1 2.3 Vp-p
10 s
10 us
(During Unloading)
V1 1.0 Vp-p
10 s
(During Loading)
V1 1.0 Vp-p
10 s
(During Unloading)
V1 1.8 Vp-p
5 ms
V1 2.0 Vp-p
5 ms
V1 0.5 Vp-p
5 ms
800 mVp-p
50 ns
DVD I BLOCK DIAGRAM