Panasonic CQ-C3400U Service Manual page 84

21 SCHEMATIC DIAGRAM
21.1. Main Block [CQ-C3300U/3400U]
PA51
FM
1 0
2 0
3 0
4
5
6 1.3
7 7.9
8 7.8
9 2.3
10 0
11 0
12 3.6
13 3.6
14 0
15 0
16 0.4
17 4.9
18 0
19 0
20
21
IC601
FM AM CD FM AM CD
1 4.9 4.9 4.9 41 0 0 0
2 4.9 4.9 4.9 42 5.0 5.0 5.0
3 5.2 5.2 5.2 43 5.2 5.2 5.2
4 0 0 0 44 0 0 0
5 5.0 5.0 5.0 45 5.2 5.2 5.2
6 5.2 5.2 5.2 46 0 0 0
7 5.2 5.2 5.2 47 5.1 5.1 5.1
8 5.1 5.1 5.1 48 0 0 0
9 5.1 5.1 5.1 49
10 5.1 5.1 5.1 50
11 0 0 0 51 0 0 0
12 5.2 5.2 0 52 0 0 0
13 0 0 0 53 0 0 0
14 5.2 5.2 5.2 54 5.2 5.2 5.2
15 0 0 0 55 5.1 5.2 5.1
16 4.9 4.9 0 56 0 0 0
17 0 0
3.3 57 5.1 5.1 5.1
18 5.2 5.2 5.1 58
19 0 0 0 59 0 0 0
20 0 0 5.2 60 5.2 5.2 5.2
21 5.1 5.1 5.1 61 5.0 5.0 5.0
22 5.1 5.1 0 62 5.1 5.1 5.1
23 5.2 5.2 5.2 63 0 0 0
24 0 0 5.2 64 0 0 0
25 0 0 4.6 65 5.1 5.1 5.1
26 0 0 4.9 66 5.1 5.1 5.1
27 0 0 4.9 67 0 0 0
28 0 0 5.2 68 5.2 5.2 5.2
29 0 0 0 69 3.1 3.1 3.1
30 5.2 5.2 0 70 2.5 2.5 2.5
31 71 0 0 0
32 72 2.9 2.9 2.9
33 0 0 0 73 2.6 2.6 2.6
34 74 5.2 5.2 5.2
35 75 5.2 5.2 5.2
36 5.2 5.2 5.2 76 0.2 0 0.5
37 5.2 5.2 5.2 77 4.8 4.8 4.8
38 0 0 0 78 0 0 0
39 5.2 5.2 5.2 79 0 0 0
40 80 0 0 0.5
The following symbols are
shown on the schematic diagram.
+B
10V
10V
8V
8V
5V
5V
3.3V
3.3V
ACC
RADIO(L,R)
CD(L,R)
AUDIO(L,R)
C5BA00000109
0
R
0
L
0
8.0
0
7.9
AM
0
0
Q411
0
YEAN2SK536TB
1.8
1.7
0
7.9
0
2.3
0
0
3.7
3.6
0
0
0
4.9
4.9
0
0
YESAM194
YEADRB501VT
YESAM228
R
L
YEANC114YKX
R
L
3032-14-05
Q644
B1GDCFJN0004
5.2
5.2
0
5.2
0
5.1
Q670
0 B1GDCFJJ0002
B1GBCFNN0004
4.0
0
To
7201-02-13
CJ642
L
Q54
B1GBCFNN0004
8V
Q52
YESAN065
R
R
L
8V
3.3V
To
CN101
To
7201-02-14
CN640
L
L
L
R
R
R
YEADRB501VT
D683
B0ACCK000002
5V
8V
2.5V
2V/DIV,20µS/DIV
5V
2V/DIV,20µS/DIV
YESAM230
5V
2V/DIV,20mS/DIV
5V
2V/DIV,20mS/DIV
3.3V
8V
5V
10V
7204-02-11
L
C1BB00000543
L
4.4
4.4
4.4
L 4.4
4.4
R 8.9
5.2
4.4
5.2
R 2.3
4.4
4.4 4.4
4.4 4.4
L
4.4 4.4
4.4 4.4
R
4.4 4.4
4.4
4.4
4.4
4.4
4.4
0
R
C0ABBB000038
8.9
3.7
4.5
3.7
4.5
3.6
4.4
0
0
0 0
0
Q232
B1GDCFJJ00
5V
2V/DIV,50nS/DIV
4V
2V/DIV,50nS/DIV
43