Read Panasonic KX-DT321UA Service Manual online
29
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)
(14)
(15)
(16)
1/4
2/4
3/4
4/4
KX-DT321
UA
/KX-DT321
U
A
-B :
MAIN BO
ARD (4/4)
ADR5
ADR4
ADR3
ADR2
ADR1
ADR0
ADR5
INTN
REN
WEN
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
ADR0
ADR1
ADR2
ADR3
ADR4
D3.3V
D3.3V
C406
12P
Q31
1
2
3
4
5
Q32
1
2
3
4
5
Q34
1
6
2
4
3
5
Q35
1
6
2
4
3
5
Q33
1
6
2
4
3
5
OP0/DR
27
CLM5
8
CLM4
9
CLM3
10
CLM2
11
CLM1
12
CLM0
13
NRDW3
14
NRDW2
15
NRDW1
16
NRDW0
18
45
CK8M/16M
57
DB7
58
DB6
59
DB5
60
DB4
61
DB3
62
DB2
63
DB1
64
DB0
50
ADR5
51
ADR4
52
ADR3
53
ADR2
54
ADR1
55
ADR0
4
WEN
3
REN
6
INTN
42
RESET
41
SCAN
43
SCANE
29
TEST
5
WAITN
40
MMODE
A3.3V
AG
IC1
1
CREG
2
ENB
3
RT
4
GND
5
IN
6
VBIAS
7
OUT
8
VCC
DG
D3.3V
C6
Z0.1
C9
Z0.01
DG
V1
C2
Z0.1
50V
D2
C5
220P
DG
AG
C3
Z0.1
DG
C7
6.3V100
LED13
CO1
LED9
CO5
LED10
CO4
LED6
CO8
LED11
CO3
LED7
CO7
LED12
CO2
LED8
CO6
LED5
SP-Phone
LED2
MUTE
LED3
STORE
LED4
MESSAGE_R
LED1
INT
DG
DG
DG
DG
DG
IC7
1
VOUT
2
VIN
3
NC
4
VSS
DG
C407
Z0.1
C1
50V33
L5
330u
C4
Z0.1
Q4
E
C
B
RA3
1k
1
34
5
6
7
8
C13
NC
C14
NC
AG
DG
D3.3V
A3.3V
L6
0
L7
0
C8
10V470
J1
R7
1.2K
R313
27
R312
8
2
R9
3.3
[2125]
R6
2.7K
R304
1k
R300
1k
R306
1
50
R1
220K
R310
120
R5
22K
R2
6.8K
R129
5.6K
R3
10K
R309
220
R307
220
R308
56
R407
47k
R403
180
R311
56
GG
G
R
R
GG
R
R
R
R
G
R
G
R
GG
R
R
R
G
R
R
2
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