Read Panasonic CQ-D1703N Service Manual online
15 SCHEMATIC DIAGRAM
15.1. Main Block
7224-02-11
CQ-D1703N MAIN
390
2.7K
0.018
0.018
0.1
0.015
47K
47K
(OPEN)
(OPEN)
(OPEN)
(OPEN)
CN601
(OPEN)
(OPEN)
T/N MUTE
AMP CNT
To DVD SERVO
3034-14-04
CN101
To DISPLAY
7224-05-11
CN901
Q701
YESAN117
D702
YESAD143
D701
YESAD139
D703
YESAD143
D704
YESAD119
D705
YESAD146
Q708
YESAN115
Q709
YESAN123
IC271
C1EA00000041
D274–D277
D270–D273
D270–D273
YESAD146
D751
YESAD140
D751
Q751
YESAN115
Q752
YESAN068
IC751
YESAM208
Q756
YESAN068
Q757
YESAN115
D752
YESAD141
D752
IC710
YESAM277
Q791
YESAN122
Q231,Q331
YESAN121
YESAN121
Q332
YESAN127
Q243
YESAN128
Q232
YESAN128
Q234,334
YESAN123
Q754
YESAN118
Q755
YESAN123
Q754
IC222
YESAM368
IC223
YESAM286
IC221
YESAM286
Q231
Q234
Q334
Q331
IC601
YESAM375
D261,D361
YESAD174
YESAD174
D661
YESAD155
D882
YESAD155
D651
YESAD149
D652
YESAD150
D653
YESAD150
D361
D261
IC871
YESAM369
IC501
YESAM283
IC401
C1BB00001045
Q401
B1CBGF000005
Q401
D401
YESAD144
Q051
YESAN117
Q051
Q061
YESAN122
D051
YESAD119
D051
PA051
YESAP413
Q780
YESAN088
Q711
YESAN079
Q066
YESAN091
Q712
YESAN146
Q066
D781
YESAD143
D780
YESAD156
D711
1SS133T77
IC702
YESAM267
IC701
YESAM299
Q711
D253
YESAD155
D721
YESAD140
IC201
YESAM293
Q241,Q242,Q341,Q342
YESAN121
Q341
Q342
Q241
Q242
Q343
YESAN127
D708
D708
YESAD141
IC831
YESAM346
IC851
YESAM364
D252
YESAD155
D352
YESAD155
D704
R780
R781
560
560
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
4.9
-
-
-
0
4.9
4.9
4.9
4.9
4.8
4.8
4.9
4.9
4.9
4.8
4.8
-
-
-
-
-
-
-
-
-
0
4.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4.9
0
4.8
4.8
4.8
0
4.9
0
0
0
-
4.9
4.9
4.9
0
4.9
-
-
-
0
4.9
4.9
4.9
4.8
4.8
4.8
4.9
4.9
4.8
4.8
4.8
-
-
-
-
-
-
-
-
-
0
4.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4.9
0
4.8
4.9
4.9
0
4.9
0
0
0
-
4.9
4.9
4.9
0
5
-
-
-
0
5
5
5
5
5
5
5
5
4.8
4.9
4.9
-
-
-
-
-
-
-
-
-
5
5
5
5
5
4.8
5
0
0
4.9
0
0
0
0
0
0
0
1.6
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
0
5
0
5
5
0
5
-
5
5
0
5
0
5
-
-
-
0
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
-
-
-
-
-
-
-
-
-
5
4.9
5
4.9
4.9
4.9
0
5
0
0
0
0
5
0
0
0
0
1.6
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
0
4.8
0
4.9
-
4.9
4.9
4.9
0
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
42
43
44
45
46
47
48
49
50
51
52
53
54
55
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57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
0
0
0
-
4.8
0
0.2
0
4.8
0
0
0
0
0
4.9
4.9
4.8
4.8
4.9
4.9
4.9
4.8
4.8
4.9
4.9
0
0
0
4.9
2.5
2.5
4.7
4.6
2.5
2.5
4.7
4.6
-
-
-
0
5
3
5
3
2.3
0
2.7
2.4
4.9
4.9
2.4
4.9
4.9
0
0
0
4.8
0
-
0
0
0
-
4.9
0
0.2
0
4.9
0
0
0
0
0
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
0
0
0
4.9
2.5
2.5
0
4.7
4.6
4.6
-
-
-
0
5
3
5
3
2.4
0
2.8
2.4
2.4
5
5
0
0
5
0
0
4.9
0
-
4.9
5
-
4.9
0
0.2
0
4.9
0
0
0
0
0
4.9
4.9
4.9
4.9
4.9
4.9
4.9
5
5
0
0
5
0
0
4.9
2.5
2.6
4.7
4.6
2.5
2.6
4.7
4.6
-
-
-
0
5
5
3.1
2.4
2.4
0
2.8
2.4
2.4
5
5
0
0
5
0
0
4.9
0.2
0.2
-
4.9
4.9
4.9
-
4.9
0
0.2
0
4.8
0
0
0
0
0
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
0
0
0
4.9
2.5
2.4
4.6
4.6
2.5
2.4
4.6
4.6
-
-
-
0
4.9
3
2.3
0
2.8
2.4
4.9
4.9
2.4
4.9
4.9
0
0
0
4.9
0.2
0.2
-
FM
AM
CD DVD
FM
AM CD DVD
IC601
0
0
0
0
0
0
0
0
0
0
0
0
0
5.0
4.9
4.9
0
9.0
12.1
5.0
5.0
5.6
5.0
5.6
12.1
0
0
8.0
9.8
5.6
8.0
1.3
8.0
0
0
0
0
0
0.2
2.4
1.4
8.0
8.0
4.7
3.7
3.7
0.1
0.1
1.4
2.5
2.6
1.9
0
0
0
0
0
0.1
0.1
0.1
5.0
5.0
1.2
1.2
2.5
4.9
0
0
0
0
0
0
0
0
0
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.0
4.0
4.5
4.5
8.9
5.0
5.0
4.5
4.5
4.5
4.5
0
0
0
0
0
0
0
0
0
0
0
12.5
12.5
4.7
12.5
12.5
12.5
0
4.9
0.59
0
0
0
0
0
0
0
0
0
0
4.9
4.9
8.8
4.4
4.4
4.4
4.4
4.4
4.3
0
8.8
4.4
4.4
4.4
4.4
4.4
4.4
0
8.8
0
0
4.2
4.4
4.4
4.4
4.4
4.4
4.4
4.4
0
0
0
0
0
4.9
3.9
3.96
4.96
5.0
5.0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12.1
0
11.7
12.1
12.1
11.7
11.7
12.1
12.0
0
0
0
0
0
0
0
0
12.1
0
0
0
0
0
0
0
0
0
0
12.1
0
0
0
0
0
0
0
0
6.3
6.3
6.3
6.3
6.1
6.1
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
12.5
4.9
5.9
5.9
4.9
12.5
12.1
12.1
12.1
12.1
11.7
11.7
12.1
4.6
2.3
0
4.9
4.9
0
2.4
2.4
2.4
0
5.0
2.3
2.0
2.5
2V / DIV,1ms / DIV
2V / DIV,10ms / DIV
2V / DIV,0.1ms / DIV
2V / DIV,0.2ms / DIV
2V / DIV,2ms / DIV
2V / DIV,0.5ms / DIV
5V
5V
5V
5V
9V
9V
9V
5V
9V
9V
5V
5V
5V
5V
9V
9V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
9V
9V
5V
9V
5V
9V
5V
9V
5V
5V
9V
9V
9V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
3.3V
2.5V
3.3V
2.5V
3.3V
2.5V
3.3V
2.5V
3.3V
3.3V
2.5V
L
R
L
R
L
R
L
R
L
L
L
R
R
R
L
R
L
R
RR
RR
FR
RL
RL
FL
RR
RR
FR
RL
RL
FL
RR
FR
RL
FL
FL
FR
RR
FR
RL
FL
L
L
R
L
R
L
R
L
R
R
L
R
L
R
L
R
L
R
RR
RR
RL
RL
RR
RL
RR
RL
RR
RL
10V
9V
8V
5V
+B
Acc
9V
5V
3.3V
2.5V
RADIO (L,R)
AUDIO (L,R)
VISUAL
The following symbols are
shown on the schematic
diagram.
shown on the schematic
diagram.
CQ-D1703N
27
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