Read Panasonic KX-DT321UA Service Manual online
27
KX-DT321UA/KX-DT321UA-B
(j)
(k)
(m)
(n)
(p)
(q)
(r)
(s)
(t)
(u)
(v)
(w)
(x)
(y)
(z)
(A)
(B)
(C)
(D)
(E)
(F)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(9)
(12)
(13)
(11)
(10)
(8)
1/4
2/4
3/4
4/4
KX-DT321
UA
/KX-DT321
UA
-B :
MAIN BO
ARD (2/4)
KIN[3]
KIN[1]
KOUT[0]
INTN
WEN
KOUT[2]
KIN[4]
KIN[2]
KIN[0]
REN
KOUT[1]
KOUT[3]
KIN[0]
KIN[1]
KIN[2]
KIN[3]
KIN[4]
KIN[5]
KIN[6]
KOUT[1]
KOUT[2]
KIN[5]
KIN[6]
KIN[7]
CSN
SCLK
SP_CSN
DATA
LCD_DATA
LCD_SCK
LCD_STB
KOUT[0]
KOUT[3]
KIN[7]
D3.3V
D3.3V
D3.3V
D63
D3.3V
DG
DG
DG
IC8
5
3
1
IC8
2
4
D5V
DG
IC10
9
10
8
IC10
1
2
3
IC10
12
13
11
D5V
DG
DG
IC10
4
5
6
D5V
DG
D5V
DG
DG
SW13
CO4
SW1
CO7
SW29
SP
SW9
CO5
SW25
CO1
SW5
CO6
SW17
CO3
SW2
CO8
SW21
CO2
SW15
2
SW32
REDIAL
SW8
V/UP
SW31
HOLD
SW28
*
SW18
6
SW20
4
SW26
#
SW16
1
SW22
9
SW24
7
SW6
PRO
SW11
AT/MT
SW19
5
SW27
0
SW30
FLASH
SW3
MES
SW14
3
SW4
V/DWN
SW23
8
SW12
INCOM
SW33
SP
SW34
>/RIGHT
SW35
</LEFT
DG
DG
DG
DG
DG
DG
DG
DG
D62
D61
IC10
14
7
C602
NC
RA2
47k
1
2
3
4
2
3
4
5
6
7
8
C600
Z0.1
C601
Z0.1
C603
Z0.1
C604
Z0.1
C605
Z0.1
C606
Z0.1
C607
Z0.1
C623
Z0.1
D5V
SW36
Hook_SW
CN5
1
VSS
2
Vdd
3
V0
4
STB/RS
5
SCK/E
6
DATA/RW
G1
H_SW
SW7
AT/ST
SW10
TRANS
R623
2.2K
R608
180
R619
0
R621
0
R609
180
R620
0
R601
47K
R622
18K
R602
47K
R610
NC
R600
1.8K
R624
220
R611
47K
IC6
1
X1
2
X2
3
VSS
4
OSC2
5
OSC1
6
TEST
7
VCC
8
RES
9
P20
10
SCK1
11
SI1
12
SO1
13
SCK3
14
RXD
15
TXD
16
P27
17
P17
18
IRQ2
19
IRQ1
20
P14
21
P13
22
P12
23
P11
24
P10
25
PA3
26
PA2
27
PA1
28
P50
29
P51
30
P52
31
P53
32
P54
33
P55
34
P56
35
P57
36
P60
37
P61
38
P62
39
P63
40
P64
41
P65
42
P66
43
P67
44
P70
45
P71
46
P72
47
P73
48
P74
49
P75
50
P76
51
P77
52
P80
53
P81
54
P82
55
P83
56
P84
57
P85
58
P86
59
P87
60
TONED
61
VTref
62
AN7
63
AN6
64
CVCC
TO LCD
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