Schematic Diagram - Panasonic CQ-C3405U Service Manual

7 Schematic Diagram

7.1. Main Block[CQ-C3405U]
IC231
YESAM338
6.6 8.1
1.5
4.6
6.6
6.6
6.6
8.8
8.1
4.6
IC231
PA051
YESAP387 FM(AM)
0(0)
0(0)
Q061
0
YESAN122
Q055
YESAN117
8.4 8.4
0(0) 0
8.4
0
1.3(2.0)
0(0)
0(0)
0(8.3)
Q062
0(0)
YESAN122
0(0)
300
8.0(0)
8.4(8.4)
3.3
1.3(2.0) Q062
Q052
7.8 0
0(0) YESAN117
8.4 5.0
0
3.6(3.6)
3.6(3.6)
0(0)
0(0)
0.2(0)
5.0(5.0)
0(0)
D053
8.4(8.4)
D053
YESAD119
Q770
YESAN088
8.5 Q770
9.1
9.1
D770
YESAD123
IC601
FM AM CD FM AM CD
1 0 0 0 51 5.0 5.0 5.0
2 0 0 0 52 0 0 0
3 0 0 0 53 5.0 5.0 5.0
4 0 0 0 54 5.0 5.0 5.0
5
4.8 4.8 4.8 55 5.0 5.0 5.0
6 0 0 0 56 0 0 0
7 0 0 0 57 0 0 0
8 4.8 4.8 4.8 58 0 0 0
9 1.0 1.0 1.0 59 5.0 5.0 5.0
10 1.4 1.4 1.4 60 - - -
11 0 0 0 61 - - -
12 1.4
1.4 1.4 62 - - -
13 1.3 1.3 1.3 63 - - -
14 5.0 5.0 5.0 64 5.0 5.0 5.0
15 5.0 5.0 5.0 65 0 0 0
16 0.2 0 0.2 66 0 0 0
17 0 0 0 67 - - -
L
18 R
0 0 0.3 68 5.0 5.0 5.0
19 - - - 69 5.0 5.0 5.0
20 5.0 5.0 5.0 70 5.0 5.0 5.0
21 4.9 4.9 4.9 71 4.8 4.8 4.8
22 4.9 4.9 4.9 72 0 0 0
23 - - - 73 5.0 5.0 5.0
24 0 0 0 74 0 0 0
25 0
0 0 75 0 0 0
26 0 0 4.8 76 0 0 0
27 5.0 5.0 3.5 77 - - -
28 4.7 4.7 4.7 78 - - -
29 0 0 1.6 79 5.0 0 5.0
30 0.2 0.2 5.0 80 0 5.0 0
31
4.8 4.8 4.8 81 0 0 0
32 5.0 5.0 5.0 82 5.0 5.0 5.0
33 5.0 5.0 4.7 83 0 0 0
34 5.0 5.0 0 84 0 0 0
35 0 0 0 85 0 0 0
36 0 0 0 86 5.0 5.0 0
37 0 0 5.0 87 3.0 3.0 3.0
38 5.0
5.0 5.0 88 0 0 0
39 0 0 0 89 5.0 5.0 5.0
40 5.0 5.0 5.0 90 1.3 1.3 0
41 0 0 0 91 0 0 0
42 5.0 5.0 5.0 92 0 0 0
43 0 0 0 93 0 0 0
44
0 0 0 94 2.2 2.2 0
45 0 0 0 95 0 0 0
46 5.0 5.0 5.0 96 0 0 0
47 - - - 97 0 0 0
48 - - - 98 4.8 4.8 4.8
49 4.8 4.8 4.8 99 5.0 5.0 5.0
50 4.8 4.8 4.8 100 5.0 5.0 5.0
D251,D351
D977
YESAD174
YESAD150
D351 D251
D976,D978
YESAD133
5.0
0
5.0
5.0 5.0
Q971
0
Q972
YESAN118
5V
To Connector 7221-03-11 CN990
Q346
YESAN121
56
Q345 0
-0.2
0 -0.2 4.7
0 0
Q345
0
0
YESAN118 Q263
0
0
4.7
6.6
Q263,264,363,364
Q363 0
0 YESAN121
Q251 0
YESAN119
Q261
0
5.0
YESAN118
0
0 0
Q264
5.0 0 0
0
0
0
0
Q364
0
FL
FR
9V
IC381
YESAM338
YESAM384
IC281
YESAM338
L
R
L
R
5V
5V
IC681
YESAM392
IC601
YESAM389
1.3
Q401
0
2.2
Q401
B1CBGF000005 2V / DIV, 10ms / DIV
2V / DIV, 20µs / DIV
1V / DIV, 0.1µs / DIV
IC602
YESAM390
0
5.0
4.8
5V
D601
YESAD143
Q971
YESAN120
9V
D991
YESAD155
5V
9V
7228-02-11
IC650
YESAM391
D651
YESAD119
100p
D651
0.01
RL
RR
RL
FL
RR
FR
D650
YESAD144
9V
IC201
9V
5V
5V
3.3V
R
L
9V
5V
5V
R
L
2V / DIV, 50ms / DIV
2V / DIV, 10ms / DIV
2V / DIV, 50ms / DIV
2V / DIV, 20ms / DIV
3.3V
2V / DIV, 5ms / DIV 5V
2V / DIV, 20ms / DIV
5V
5V
12
IC271
YESAM274
D278,279
D704
YESAD146
YESAD143
D278
D279
FL
FR
RR
RL
D270–D277
YESAD146
9V
5V
5V
3.3V
0
3.2
3.2
1.3
1.5
1.6
0
1.6
3.2
0
0
1.5
0 3.2
3.2 0
5.0
IC801
YESAM393
3.2
0
1.5 1.1
1.6
1.2
3.2
1.2
3.2
0
1.6 1.7
1.6
1.6
1.6
1.7
0 1.6
1.6 3.2
3.3V
5V
3.3V 3.3V
Q871
YESAN113
1.8 3.1
2.5
9V
D705
YESAD146
D701
YESAD139
Q702
YESAN129
Q701
5.0
Q702
YESAN126 0
5.0
0 0
Q701
0.9
D702
YESAD153
Q752
YESAN115
14.8 14.8
Q704 14.8 14.8
YESAN123
5.1 14.8
D703
0
YESAD119
4.8
0
IC750
YESAM267
D761
YESAD140
D763 D760
YESAD144 YESAD146
D760
Q750
5V
5.0 5.0
5.6
5V IC740
D741
D741 YESAM299
1SS133T77
Q740
5.0 14.5
5.0 5.0
0
5.5
The following symbols
are shown on the
Q740,Q750
schematic diagram.
YESAN079
+B
Acc
IC791
9V
9V
YESAM344
8V 8V
5V
5V
3.3V
3.3V
RADIO (L,R)
AUDIO (L,R)
CD(L,R)
D791
YESAD146
3.3V
Q851
8.4
YESAN148
3.3 7.8
IC802
YESAM352
CQ-C3405U MAIN