Panasonic KX-DT343RU Service Manual ▷ View online
33
KX-DT343RU/KX-DT343RU-B
KX-DT343
RU
/KX-DT343
RU
-B : MAIN BOARDS (2/4)
1/4
2/4
3/4
4/4
(z)
(A)
(B)
(C)
(D)
(E) (F) (G) (H) (J)
(K)
(L)
(M)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
AD0
AD1
REN
WEN
INTN
KEYIN2
KEYIN6
KEYIN0
KEYIN1
AD4
AD3
AD2
KEYOUT3
KEYOUT4
KEYOUT5
KEYOUT6
KEYIN5
KEYIN3
KEYIN4
LCD_DATA
LCD_DATA
LCD_A0/MODEL
LCD_A0/MODEL
LCD_SCK
LCD_SCK
LCD_PUMP
KEYOUT0
KEYOUT1
KEYOUT2
BT_CTS
SP_AMP
OP_CS2
OP_CS1
OP_SCLK
OP_RxD
HD_DET
MIC_SEL
KEYIN6
KEYIN5
KEYIN4
KEYIN3
KEYIN2
KEYOUT1
KEYIN0
KEYIN0
AD6
AD5
BT_MODE2
BT_MODE1
BT_READY
BT_DET
OP_TxD
OP_CS2
KEYIN7
KEYIN7
OP_TxD
OP_RxD
OP_SCLK
BT_RxD
KEYIN1
KEYOUT3
KEYOUT0
KEYOUT2
KEYOUT4
KEYOUT6
KEYOUT5
BT_RTS
BT_RTS
SKEY3-4
SKEY1-2
LCD_CS
LCD_CS
BK_LIT
BK_LIT
OP_CS1
OP_RxD
OP_TxD
LCD_RST
LCD_RST
OP_SCLK
DG
DG
C106 Z0.1
D3.3V2
C107
Z0.1
IC9
2
4
IC9
5
3
1
15
VDD
D3.3V
C103 Z0.1
DG
1
GND
10
GND
8
GND
13
OSX
6
RESETOUT2
DG
D3.3V
D3
D4
D5
D6
DG
20
LCD_SCK
23
V5
21
LCD_DATA
24
MW_COM
12
UAR_CTS
19
LCD_A0/LCD_MODEL
11
UAR_RTS
1
BK_LIT
26
MW_G
25
MW_R
22
-1.2V
DG
4
OP_RxD
2
OP_CS1
5
OP_TxD
3
OP_SCLK
C104
Z0.1
D3.3V
DG
SW26
ENTER
SW28
DOWN
SW21
FLASH
SW20
HOLD
SW22
TRANS
SW23
REDIAL
SW24
MESSAGE
SW27
UP
SW31
CO1
SW32
CO2
SW35
CO5
SW45
CO15
SW47
CO17
SW34
CO4
SW36
CO6
SW33
CO3
SW43
CO13
SW44
CO14
SW46
CO16
SW48
CO18
SW19-1
SW19-2
SPPHONE
SW55
HOOK
V5
-1.2V
D3.3V
C102
Z0.1
C1
01
Z0.
1
D3.3V
DG
D3.3V
SW37
CO7
SW38
CO8
SW39
CO9
SW40
CO10
SW41
CO11
SW42
CO12
D3.3V
DA3
1
23
9
OCK2M
11
OSYNC
12
OSR
DG
16
VDD
CN6
14
VDD
D3.3V
BL
RA5
47K
12
3
4
5
6
7
8
D3.3V
IC1
1
P3_3
2
P3_4
3
MODE
4
P4_3
5
P4_4
6
RESET
7
XOUT/P4_7
8
VSS
9
XIN/P4_6
10
VCC
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
P1_7
25
CLK0
26
RXD0
27
TXD0
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
INT0
37
TXD1
38
RXD1
39
CLK2
40
RXD2
41
TXD2
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
AN2
58
AN1
59
VSS
60
P0_7
61
VREF
62
VCC
63
P3_7
64
P3_5
SW25
CANSEL(PROG)
SW29
LEFT
SW30
RIGHT
CN9
1
VCC
2
MODE
3
RESET
4
VSS
D3.3V2
C109
0.0
1
CS2
RST1
11
VDD
2
OP_CS2
7
GND
CN5
12
VDD
6
RSTOUT1
10
VDD
8
GND
9
GND
5
OP_TxD
4
OP_RxD
3
OP_SCLK
1
GND
SW11
*
SW7
7
SW4
4
AG
SW5
5
SW6
6
SW10
0
SW51
CO21
SW54
CO24
SW49
CO19
SW52
CO22
SW53
CO23
SW50
CO20
SW13
PAUSE
SW17
MUTE
SW15
CONF
SW14
FWD
SW16
STORE
SW18
INTERCOM
SW3
3
SW1
1
SW2
2
SW8
8
SW9
9
SW12
#
3
KEY3_4
2
KEY1_2
18
LCD_RST
17
LCD_CS
R109
33
R111
4.7K
R105 47K
R114
NC
R104
47k
R133
3.3
R113
680
R106
4.7k
R132
10
R110
33
R103
47k
R102
4.7K
R55
100
C118
Z0.01
DG
HOOK
MODE
VCC
VSS
C108
Z1
7
GND
C121
0.01
DG
R108
33
R107
33
R56
33
CS1
RST2
SCK
OSR
RXD
OSY
TXD
OSX
OCK
IN2
IN3
IN4
OUT1
TO CO OPTION
TO USB OPTION
34
KX-DT343RU/KX-DT343RU-B
1/4
2/4
3/4
4/4
KX-DT343
RU
/KX-DT343
R
U
-B : MAIN BOARDS (3/4)
(a)
(b)
(c)
(d)
(e) (f) (g)
(h)
(i)
(j)
(k)
(m)
(n)
(p)
(q)
(r)
(s) (t) (u)
(v)
(w)
(x)
(y)
(10)
(11)
(12)
(13)
(14)
AD0
AD1
AD2
AD3
AD4
AD5
DB0
DB1
DB3
DB4
DB5
DB6
DB7
CODEC_CLK
CODEC_DATA
CODEC_CS
DB2
AD6
C19
Z0.1
DG
C20 Z0.1
C14
Z1
DG
DG
DG
C15
Z
1
C17
1
000P
C16
Z0.1
D3.3V2
D3.3V2
D3.3V
DG
C7
6.3V220
C2
50V0.1
D3.3V
C1
50V33
C6
Z0.1
L5
330u
C52
Z0.1
DG
C51
Z0.22
DG
C38
Z0.01
C8
6.3V220
C31
Z1
DG
C69
0.022
C48
Z0.1
C54 Z0.1
DG
C45
0.1
AG
C46
Z10
DG
A3.3V
AG
A3.3V
AG
DG
DG
C50 Z0.1
IC5
1
CREG
2
ENB
3
RT
4
GND
5
IN
6
VBIAS
7
OUT
8
VCC
C26 Z0.1
C27
1000P
DG
C22
470P
C25
Z
1
C23
470P
DG
C24
Z1
D3.3V
D3.3V2
C28
1000P
C18
1000P
D3.3V
DG
C43
0.1
C44 0.1
D3.3V
C34
Z0.1
C36
Z0.1
C35
Z0.1
C37
Z0.1
C33
Z0.1
C32
Z0.1
C5
220P
C47 Z10 [2125]
C49 Z10 [2125]
C3
Z0.1
H
L
DG
DA1
1
2
3
DA2
1
2
3
D3.3V
D3.3V
DG
IC3
1
Vout
2
Vin
3
NC
4
Vss
D3.3V
AG
DG
DG
T1
1
2
4
5
6
7
9
10
C11
50V Z1
T2
1
2
4
5
6
7
9
10
A
R
T
Q4
1
6
2
DG
Q3
E
C
B
V1
RST
D2
C70 470P
CN8
NC
1
2
T
3
R
4
A
JK1
1
A
2
H
3
T
4
R
5
L
6
B
D3.3V2
Q1
1
2
3
4
5
Q2
1
2
3
4
5
JK2
1
H
2
R
3
T
4
L
D1
1
2
3
4
DG
C9
Z0.01
Q5
E
C
B
Q4
4
3
5
DG
DG
A3.3V
C53
6.3V100
A3.3V
D3.3V
AG
DG
C111
2200P
C112
2200P
C113
2200P
C114
2200P
C115
2200P
C116
2200P
C10 NC
DG
L12 0
D3.3V
C117
NC
DG
D3.3V2
IC2
OEP
30
9
PLLO
5
PVSS
CK8M
77
6
PVDD
PLLI
8
RSTN
100
PVRH
69
PDX0
70
PDX1
71
DVRL
60
OP7
58
OP6
57
PEP
54
PCK2M
53
PSR
52
DDX0
63
DDX1
64
DVRH
62
DDR
61
SPOP
44
SPON
45
SPI
46
PVRL
67
PDR
68
ADR0
88
ADR1
87
ADR2
86
ADR3
85
ADR4
84
ADR5
83
ADR6
82
DB0
98
DB1
97
DB2
96
DB3
95
DB4
94
DB5
93
RIN
7
DB6
92
DB7
91
CSN
3
DVSS10
10
VREF
43
AVDD
47
AVSS
42
DVDD17
17
DVDD29
29
DVDD41
41
DVDD59
59
DVDD66
66
DVDD81
81
DVDD89
89
DVSS18
18
DVSS40
40
DVSS48
48
DVSS65
65
DVSS78
78
DVSS90
90
DVSS99
99
50
PSX
51
PSYNC
76
CK16M
C21
50V Z1
H-D
L-D
C12
1
000P
C13
1
000P
R5
56K
R45 5.6K
R9 10
R36
100
R25
1.8K
R49 47K
R38
100
R50 47K
R12
22
R70
27K
R22 180
R24
22
R43
10K
R47
1K
R44
220
R33
5.6K
R6 2.7K
R23
22
R18 120
R2 6.8K
R28
1.2K
R1 220K
R72
3.3M
R15
1.8K
R14
1.8K
R71 39K
R7
1.2K
R11 270
R21 12K
R34
5.6
R19 8.2K
R32
8.2K
R17 1.2K
R16
1.8K
R20 5.6K
R13
2
2
R48 47K
R35
27
R73
1M
R27
1.5K
R37
100
R26
1
.8K
R3
10K
R51
47K
C4
Z0.1
R46 47K
DG
IC10
2
4
1
R57 10K
D3.3V2
C29
NC
AG
AG
R134
NC
C55
6.3V220
TO PBX
TO DPT/SLT
TO XDP
(for UK)
35
KX-DT343RU/KX-DT343RU-B
1/4
2/4
3/4
4/4
KX-DT343
RU
/KX-DT343
RU
-B : MAIN BOARDS (4/4)
(z)
(A)
(B)
(C)
(D)
(E) (F) (G) (H) (J)
(K)
(L)
(M)
(10)
(11)
(12)
(13)
(14)
CODEC_DATA
CODEC_CS
INTN
OCK2M
OSX
CODEC_CLK
OSYNC
OCK2M
OSYNC
OSX
OSR
OSR
RSTOUT1
RSTOUT3
RSTOUT2
RSTOUT2
D3.3V
C42
12P
DG
X1
16.384M
C41
10P
DG
DG
DG
Q11
1
6
2
4
3
5
Q12
1
6
2
4
3
5
Q13
1
6
2
4
3
5
D19
SPPHONE
D15
CONF
D16
STORE
D14
FWD
D44
CO14
D53
CO23
D32
CO2
D36
CO6
D37
CO7
D48
CO18
D42
CO12
D34
CO4
D39
CO9
D40
CO10
D35
CO5
D54
CO24
D47
CO17
D51
CO21
D52
CO22
D41
CO11
D18
INTERCOM
D45
CO15
D31
CO1
D50
CO20
D46
CO16
D43
CO13
D38
CO8
D49
CO19
D33
CO3
RA4
4.7K
5
6
7
8
4
3
2
1
D3.3V
DG
Q14
1
2
3
4
5
Q15
1
2
3
4
5
Q16
1
2
3
4
5
Q17
1
2
3
4
5
Q18
1
2
3
4
5
RA1 2.2K
1
2
3
45
5
6 7 8
D17
MUTE
RA2 2.2K
1
2
3
4
6 7 8
35
OCK4MN
REN
2
WEN
1
36
OP0
OP1
37
OP2
38
OP3
39
INTN
4
OSR
32
OSX
31
OSYNC
33
OCK2M
34
CLM5
11
CLM4
12
CLM3
13
CLM2
14
CLM1
15
CLM0
16
NROW9
19
NROW8
20
NROW7
21
NROW6
22
NROW5
23
NROW4
24
NROW3
25
NROW2
26
NROW1
27
NROW0
28
OSI
79
OSO
80
OP4
55
PCK4MN
49
56
OP5
72
SCANE
73
SCAN
74
TEST0
75
TEST1
R42
1M
R123
100
R128
220
R131
56
R122
150
R53
470
R41 220
R126
220
R54
470
R127
56
R130
220
R125
56
R129
56
R52
470
R121
82
R124
220
C119
Z0.01
DG
G
R
R
R
G
G
R
G
R
G
R
G
G
G
R
R
G
R
G
R
G
R
R
G
G
R
R
G
R
G
R
G
G
R G
R
G
R
G
R
G
R
G
R
R G
G
R
G
R
36
KX-DT343RU/KX-DT343RU-B
10.2. Jack
KX-DT343
RU/KX-DT343RU-B : JACK BOARDS
JK4
JK3
5
4
3
2
1
4
3
2
5
4
3
2
1
1
CN7
1
1
1
1
1
TO HEADSET
TO HANDSET
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