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2-17
DVD servo control section (2/3)
N E X C E
M D Q 5
E X A D T 9
E X A D T 6
E X D T 2
E X D T 1 2
M D Q 1 1
M A 1
M D Q 0
E X A D R 1 8
M D Q 6
M D Q 7
E X A D T 7
M A 8
E X A D T 1 5
E X D T 4
E X D T 1 1
N R A S
M A 5
E X D T 1 3
E X D T 1 5
M D Q 2
M A 4
M D Q 1
E X A D T 1 1
M D Q 1 5
E X D T 6
E X D T 8
N C S M
E X D T 5
E X A D T 5
N C A S
M A 2
E X D T 1 4
D Q M 1
E X D T 7
E X D T 3
E X A D T 1 2
E X D T 0
E X D T 9
E X A D T 1 4
E X A D T 1 0
E X A D R 1 6
N E X O E
M D Q 4
N W E
E X D T 1 0
M D Q 1 0
B A 0
M D Q 3
M D Q 9
M A 1 0
E X A D T 0
M D Q 1 4
E X A D T 1 3
E X A D T 1
M D Q 8
M A 7
E X A D T 4
M D Q 1 3
M A 3
E X A D R 1 9
E X A D R 1 7
M D Q 1 2
M A 6
M A 9
E X D T 1
E X A D T 2
N E X W E
E X A D T 8
E X A D T 3
M A 0
D Q M 0
B A 1
M A 1 1
M C K
M C K
E X A D R 2 0
U2SDT
P O S M U P
S T S T S W
E P C S
EPSK
EPDI
CPURST
E P S K
SCS
EPDO
UCS
C L S W T 2
UCLK
S2UDT
DISPCS
E P D O
M T O P
D I S P D 2 S
C L S W T 5
D I S P S 2 D
P O S M D N
C L S W T 1
D I S C S E T
M T C L
D I S P C K
DISPBUSY
EPCS
C L S W T 3
E P D I
S T E D S W
C L S W T 4
M O T P S W
D I S C S T P
M T O P
P O S M U P
P O S M D N
M T C L
MOTPSW
STSTSW
CLSWT5
CLSWT1
CLSWT4
CLSWT2
CLSWT3
S T E D S W
DISPRST
DVDPWR
C P U R S T
I C 4 5 3
S - 8 0 8 3 0 C N N B - G - W
1
2
34
0 . 1
C 5 6 3
F
1 k
R 4 5 8
NI
R462
0 . 0 0 1
C 5 5 7
I C 5 0 9
S G 3 2 M 9 0 T F I R 3
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0.01
C455
0 . 1
C 5 5 5
F
0 . 1
C 5 5 1
F
N I
C 5 6 1
F
2 2 / 6 . 3
C 5 5 8
T
K 5 0 1
N Q R 0 5 0 2 - 0 0 1 X
4 7 k
R 5 3 5
0 . 1
C 5 5 9
F
NI
R530
0 . 1
C 5 6 0
F
0 . 1
C 5 5 4
F
1
C 5 6 2
F
I C 5 0 5
K 4 S 6 4 1 6 3 2 H - U C 7 5
27
V D D
28
V S S
29
A 4
30
A 5
31
A 6
32
A 7
33
A 8
34
A 9
35
A 1 1
36
N C
37
C K E
38
C L K
39
U D Q M
40
N C / R F U
41
V S S
42
D Q 8
43
V D D Q
44
D Q 9
45
D Q 1 0
46
V S S Q
47
D Q 1 1
48
D Q 1 2
49
V D D Q
50
D Q 1 3
51
D Q 1 4
52
V S S Q
26
A 3
25
A 2
24
A 1
23
A 0
22
A 1 0 / A P
21
B A 1
20
B A 0
19
/ C S
18
/ R A S
17
/ C A S
16
/ W E
15
L D M Q
14
V D D
13
D Q 7
12
V S S Q
11
D Q 6
10
D Q 5
9
V D D Q
8
D Q 4
7
D Q 3
6
V S S Q
5
D Q 2
4
D Q 1
3
V D D Q
2
D Q 0
1
V D D
53
D Q 1 5
54
V S S
1 0 k
R 5 3 1
TP453
M G N D
TP457
T P 4 6 9
R452
2.2k
TP461
R456
10k
X451
NAX0248-001X
123
T P 4 7 1
R 4 6 6
N I
M 9 V
TP454
D 1 . 2 V
D G N D
C N 4 5 5
N I
1
2
3
4
5
6
TP455
TP451
C 4 5 2
0 . 1
F
T P 4 6 8
K 4 5 4
0
I C 4 5 2
B R 9 3 L 5 6 R F - W - X
8
V C C
7
N C
6
N C
5
G N D
4
D O
3
D I
2
S K
1
C S
K 4 5 6
0
R 4 6 4
1 0 0
C454
0.01
R 4 6 5
1 k
S 3 . 3 V
R461
100
T P 4 5 8
R 4 5 3
1 0 k
C 4 5 1
0 . 1
F
R 4 5 4
1 0 k
T P 4 7 0
TP462
R 4 5 5
1 0 k
TP456
T P 4 6 6
C453
0.1
F
R457
100
CN451
QGF1016F2-15W
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
TP459
B 3 . 3 V
T P 4 6 7
T P 4 6 5
TP460
TP464
TP463
T P 4 7 4
R463
100
TP452
CN452
QGA2001F6-02X
1
2
CN453
QGA2001F6-03X
1
2
3
T P 4 7 3
K 4 5 5
0
I C 4 5 1
M N 1 0 1 C 6 1 G N W
1
V R E F -
2
L S E N S O R
3
D E T 3 . 3 V
4
D E T 1 . 2 V
5
6
7
S M 1 / S M 2
8
O U T C
9
V P P
10
V R E F +
11
V D D
12
O S C 2
13
O S C 1
14
V S S
15
X I
16
X O
17
M M O D
18
D I S P S 2 D
19
D I S P D 2 S
20
D I S P C K
21
S2UDT
22
U2SDT
23
UCLK
24
25
/RESET
26
SCS
27
CPURST
28
DISPBUSY
29
30
31
UCS
32
DISPCS
33
INT
34
35
36
37
38
39
EPCS
40
EPSK
41
E P D I
42
E P D O
43
44
S T S T S W
45
C L S W T 1
46
C L S W T 2
47
C L S W T 3
48
C L S W T 4
49
C L S W T 5
50
M T O P S W
51
S T E D S W
52
M T O P
53
M T C L
54
P O S M U P
55
F D A T A
56
F C L O C K
57
P O S M D N
58
D I S C S T P
59
D I S C S E T
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
DVDPWR
T P 4 7 2
3.3V
1.6V
N I S T A N D S F O R N O T I N S E R T E D P A R T S .
,
1.3V
2 5 V
D 9
0V
1.3V
3.3V
,
V C C
1.6V
A 1 0
1.6V
W I T H O U T I N P U T S I G N A L .
/ O E
A 3
D 8
.
2.7V
1.3V
0 . 5 %
M E T A L G L A Z E R E S I S T O R .
1.7V
N O T E S
D 5
2.8V
0V
3.3V
A 7
1.7V
0V
0V
A L L C A P A C I T A N C E V A L U E S A R E I N
m o d e
1.6V
2.0V
1.3V
0.7V
2.8V
1.3V
A 8
FLASH ROM
C O N D I T I O N - - -
t h e
2.8V
A 1 9
D 1 1
A 1 2
1.3V
1.0V
0.7V
D 0
A 5
1.2V
0V
0V
0.4V
A 1 4
0.5V
A R E I N H ( m = m H ) .
3.0V
N C
0.1V
SDRAM
S T O P
0.5V
0.7V
a n d
i n
2.8V
A L L R E S I S T A N C E V A L U E S A R E
0V
D 4
D E T
D 1
3.3V
2.7V
1.6V
1.7V
A L L R E S I S T O R S A R E
2.3V
A 2 0
A L L I N D U C T A N C E V A L U E S
U N L E S S O T H E R W I S E S P E C I F I E D .
M E T A L G L A Z E R E S I S T O R .
A 1 1
1
0.8V
2.4V
3.3V
0.6V
D 1 4
/ R A T E D V O L T A G E ( V ) .
D 1 5
6 . 3 V
* R / B
V S S
V O L T M E T E R
A L L C A P A C I T O R S A R E
T r a y
,
1.1V
0V
3.1V
1.4V
2.7V
N C
1.8V
* / B Y T E
2.0V
A 1
A 1 8
3.1V
A L L E . C A P A C I T O R S A R E S H O W N I N T H E F O R M
3.2V
0V
3 . 0 V
V S S
0V
F ( p = p F ) .
D 6
1.3V
V S S
3.3V
1.3V
5 0 V
D 1 2
1 6 V
0.9V
D V D
O U T
0.8V
3.1V
A 6
1.5V
,
A 9
A 1 6
1 0 V
1 / 1 6 W
0V
0.7V
1.1V
3 .
3.3V
C A P A C I T A N C E ( F )
D 3
2.8V
d i s c
* / R S T
A 2
2.0V
1.6V
D 7
A 1 7
0V
A
V P P
1.6V
2.8V
2.7V
2.6V
3.3V
I N O H M ( ) .
3.3V
1.8V
0V
0V
A 1 3
0.9V
1.6V
/ C E
2.8V
V O L T A G E S A R E D C - M E A S U R E D W I T H A D I G I T A L
2.7V
C E R A M I C C A P A C I T O R
O F
O R
0V
0V
D 1 0
1.8V
1.6V
D 1 3
.
0V
1 .
A 1 5
3.3V
3.3V
D 2
5 %
0.4V
0V
o r
2.4V
1.6V
0.3V
/ W E
A 4
V D D
0.9V
2.8V
2 .
3.3V
A 0
1.1V
C H 6 - B A S E - 1
L O A D E R A S S ' Y
See
L V S 2 0 1 3 5 - 0 0 2 A
8 M H z
MECHA CONTOROLLER
0V
3.3V
1.2V
3.3V
1.2V
0V
3.3V
3.3V
3.3V
3.3V
1.6V
1.6V
0V
0V
0V
0V
0V
0V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
0V
0V
3.3V
3.3V
0V
0V
0V
0V
0V
3.3V
0V
0V
0V
0V
3.3V
3.3V
0V
0V
0V
3.3V
3.3V
A
B
D
E
F
G
Содержание TH-C20C
Страница 33: ... No MB506 1 33 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...
Страница 55: ...3 21 MEMEO ...
Страница 60: ... M E M O ...