Read Panasonic KX-DT390RU Service Manual online
19
KX-DT390RU/KX-DT390RU-B
(1)
(2)
KX-DT390
RU/KX-DT390RU-B : MAIN BOARD (2/2)
KEYIN[6]
KEYIN[7]
KEYIN[8]
KEYIN[9]
L[0-23]
L[2]
L[3]
L[5]
L[6]
L[7]
L[8]
L[9]
L[10]
L[11]
L[12]
KEYIN[2]
KEYIN[1]
KEYIN[0]
KEYIN[5]
KEYIN[4]
KEYIN[3]
KEYIN[2]
KEYIN[1]
KEYIN[0]
L[23]
L[1]
L[0]
DINT
C0-1
C0-2
C1-1
C1-2
C2-1
C2-2
C3-1
C3-2
L[13]
L[14]
L[15]
L[16]
L[17]
L[18]
L[19]
L[20]
L[21]
L[22]
KEYIN[6]
KEYIN[7]
KEYIN[8]
KEYIN[9]
KEYIN[10]
KEYIN[11]
KEYOUT[2]
KEYOUT[4]
KEYOUT[1]
KEYOUT[0]
KEYOUT[0]
KEYOUT[1]
KEYOUT[2]
KEYOUT[3]
KEYOUT[4]
DOUT
L[4]
KEYIN[10]
KEYIN[11]
KEYIN[5]
KEYIN[4]
KEYIN[3]
C4-2
C4-1
KEYOUT[3]
C12
Z0.1
C10 12P
C9
12P
12P
C11
Z0.01
Z0.01
C16
2.2u
L3 330u
C6
Z0.1
Z0.1
C2
Z0.1
50V
C5
220P
DG
IC2
1 CREG
2 ENB
3 RT
4
2 ENB
3 RT
4
GND
5
IN
6
VBIAS
7
OUT
8
VCC
C3
Z0.1
Z0.1
D3.3V
D3
X1
20MHz
20MHz
DG
DG
DG
DG
DG
D3.3V
D3.3V
DG
D3.3V
D3.3V
D1
1
2
3
4
C8
Z0.01
50V
SW1
CO1
SW2
CO2
SW3
CO3
SW4
CO4
SW5
CO5
SW7
CO7
SW8
CO8
SW9
CO9
SW10
CO10
SW6
CO6
SW12
CO12
SW13
CO13
SW14
CO14
SW15
CO15
SW11
CO11
SW17
CO17
SW18
CO18
SW19
CO19
SW20
CO20
SW16
CO16
SW22
CO22
SW23
CO23
SW24
CO24
SW25
CO25
SW21
CO21
SW27
CO27
SW28
CO28
SW29
CO29
SW30
CO30
SW26
CO26
SW52
CO52
SW53
CO53
SW54
CO54
SW55
CO55
SW57
CO57
SW58
CO58
SW59
CO59
SW60
CO60
SW56
CO56
SW51
CO51
SW47
CO47
SW48
CO48
SW49
CO49
SW50
CO50
SW46
CO46
SW32
CO32
SW33
CO33
SW34
CO34
SW35
CO35
SW37
CO37
SW38
CO38
SW39
CO39
SW40
CO40
SW36
CO36
SW31
CO31
SW41
CO41
SW45
CO45
SW44
CO44
SW43
CO43
SW42
CO42
Q1
E
C
B
D2
DG
DG
C14
Z0.1
JK1
1
2
3
4
T1
1
2
4
5
6
7
9
10
D4
C1
50V33
D3.3V
DG
IC1
1
P3_3
2
P3_4
3
MODE
4
P4_3
5
P4_4
6
RESET
7
XOUT/P4_7
8
VSS/AVSS
9
XIN/P4_6
10
VCC/AVCC
11
P5_4
12
P5_3
13
P5_2
14
P5_1
15
P5_0
16
P2_7
17 P2_6
18 P2_5
19 P2_4
20 P2_3
21 P2_2
22 P2_1
23 P2_0
24 INT1/P1_7
25 P1_6
25 P1_6
26 P1_5
27 P1_4
28 P8_6
29 P8_5
30 P8_4
31 P8_3
32 P8_2
33
P8_1
34
P8_0
35
P6_0
36
P4_5
37
P6_6
38
P6_7
39
P6_5
40
P6_4
41
P6_3
42
P3_1
43
P3_0
44
P3_6
45
P3_2
46
P1_3
47
P1_2
48
P1_1
49
P1_0
50
P0_0
51
P0_1
52
P0_2
53
P0_3
54
P0_4
55
P6_2
56
P6_1
57
P0_5
58
P0_6
59
VSS/AVSS
60
AN0/DA1/P0_7
61
VREF
62
VCC/AVCC
63
P3_7
64
P3_5
Q2
C17
Z1u
DG
CN1
1
2
3
4
R10 0
R21
NC
R26 1K
R23
68
R9
1M
1M
R2
2.7K
R4
220
R1
22K
R12
10k
R25
4.7K
R5
220
R3
1.2K
R24
2.2K
R7
1M
R6
8.2K
[3225]
R11
4.7k
R8
82K
82K
Q3
NC
E
C
B
DG
R14
NC
DG
R13
NC
NC
R15
NC
V1
C4
Z0.1
C7
6.3V 220u
6.3V
R22
2.7k
C15
NC
RA2
2.2k
5
6
7
8
RA3
2.2k
1 2 3 4
1 2 3 4
1 2 3 4
5
6
7
8
RA1
2.2k
5
6
7
8
DG
C19
NC
DG
MODE RST
D3.3V
DG
R16
0
L
H
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