Panasonic KX-NT543RU / KX-NT543RU-B / KX-NT546RU / KX-NT546RU-B (serv.man2) Service Manual ▷ View online
45
KX-NT543RU/KX-NT543RU-B/KX-NT546RU/KX-NT546RU-B
(a)
(b)
(c)
(3)
(4)
(5)
(6)
(7)
KX-NT543
RU
/KX-NT546
RU
MAIN BOARD No.1 2/4
2/4
E_TXEN
XA12
SO
XA11
XA14
XA2
XA7
SDDQM1
SDDQM0
XA3
XA10
XA13
XA8
XA9
XA6
E_MDCLK
*WE
SDCAS
SDRAS
E_MDIO
E_RST
ASICCLK
E_TXD1
VCC_DSP
R553
1M
R538
100
R556
100
R546
100
R541
47
R542
47
E_MDCLK
002
E_TXEN
002
E_TXD1
002
E_TXD3
002
E_RXDV
002
E_RXD0
002
E_RST
002
E_RXD3
002
E_COL
002
E_RXD1
002
E_CRS
002
E_MDIO
002
E_TXD0
002
E_TXD2
002
E_RXD2
002
E_RXCLK
002
E_TXCLK
002
C545
NC
3.3V
R573
1.5k
DG
DG
R574
15k
USBM
USBP
C560
0.01u
USB_CTRL
R572
15k
USB_DET
C540
0.01u
DG
USB_V+
USB_GND
DG
3.3V
DG
USB_P
USB_M
DG
3.3V
DG
D_TDI
D_TMS
D_TCK
D_TDO
E_CLK
003
DG
J12
CGPIO0
J13
EGPIO15
K1
GNDPLL
K2
VDDPLL
K3
GND8
K4
BGPIO7
K5
XA14
K6
XA11
K7
XA20
K8
CGPIO11
L4
BGPIO9
L5
XA12
L6
XA9
L7
XBLS0
L8
XA19
L9
BGPIO13
L10
XA6
L11
XA3
L12
BGPIO15
L13
BGPIO14
M1
BGPIO0
M2
BGPIO1
M3
BGPIO3
M4
BGPIO8
M5
XA13
M6
XA10
M7
AGPIO0
M8
AGPIO1
M9
XA8
M10
AGPIO4
K9
XA18
K10
XA7
K11
XA2
K12
CGPIO5
K13
CGPIO3
L1
XIN
L2
XOUT
L3
RSTN
JTAG_CLK_DTDO
JTAG_CLK_DTCK
R576
1k
R575
1k
C544
0.01u
R544
330
DG
R581
4.7k
E_TXER
002
3.3V
DG
ATRSTN
RESET
R517
100
R516
100
ST3
ST0
CN503
NC
1
2
3
4
5
6
7
8
9
10
11
12
R506
47
R552
10
C539
NC
RA505
150
1
8
RA505
150
27
RA506
150
45
RA506
150
3
6
RA507
150
2
7
RA507
150
36
RA507
150
4
5
RA507
150
1
8
R543
100
DCDC_OUT
RA508
150
45
RA508
150
2
7
RA508
150
1
8
RA508
150
3
6
FW_INT0
FW_INT1
FW_INT1
ATDO2
R570
33
R571
33
ATMS2
ATDI2
ATCK2
RESET
MAIN_OSC
USBP
USBM
USBV
USBG
VCC_DSP
C546
0.1u
C555
0.1u
C538
NC
C556
10u
RA511
47
3
6
DL501
1
2
3
L504
L513
0
R566
4.7k
RA512
4.7k
1
2
3
4
5
6
7
8
6
7
8
X501 25M
IC505
1
GND
2
VDD
3
CD
4
OUT
R502
L502
R554 330
STRAP PIN SETTING / JTAG I/F
USB PORT for TEST MODE
Ether I/F
8
7
11
10
9
12
C
B
A
D
2
ECLK
2
25MHz
1
RESET
46
KX-NT543RU/KX-NT543RU-B/KX-NT546RU/KX-NT546RU-B
(d)
(e)
(f)
(g)
(h)
(1)
(2)
KX-NT543
RU
/KX-NT546
RU
MAIN BOARD No.1 3/4
3/4
XD4
XD11
XD7
XD6
XD7
XD14
XD12
XD11
XD9
XD15
XD8
XD10
XD14
XD15
XD6
XD13
XD2
XD5
XD3
XD10
XA1
XD13
XD1
XA0
I2C_SDA
SD_CKE
BACKLIGHT
SDDQM1
SD_CLK
XA12
XA11
XA9
XA8
XA7
XA6
XA5
XA4
SDDQM0
*WE
SDCAS
SDRAS
*CE
XA13
XA14
XA10
XA0
XA1
XA2
XA3
ASICRST
XD0
XD1
XD2
XD3
XD4
XD5
USBM
USBP
USB_DET
SPN
004
USB_CTRL
DG
3.3V
HEADSET_SPOUT 004
R537
47
C532
NC
D_TDO
D_TCK
D2
GNDUSB
D3
DGPIO0
D4
DGPIO1
D5
XD4
D6
XD11
D7
EGPIO9
D8
DGPIO7
D9
XA0
D10
EGPIO6
D11
EGPIO5
D12
EGPIO7
D13
EGPIO8
E1
SPOUTN
E2
LOUT0
E3
DGPIO3
E4
DGPIO2
B2
DGPIO8
B3
XD14
B4
XD13
B5
XD10
B6
XD2
B7
XD1
B8
DGPIO9
B9
DGPIO10
B10
DGPIO13
B11
EGPIO1
B12
DTCK
B13
DTDO
C1
USBP
C2
USBM
C3
XD15
C4
XD7
C5
XD6
C6
XD5
C7
XD3
C8
DGPIO5
C9
DGPIO6
C10
XA1
C11
EGPIO0
C12
EGPIO3
C13
EGPIO4
D1
VCCUSB
3.3V
JTAG_CLK_DTCK
JTAG_CLK_DTDO
SPAMPEN
004
INT0
004
3.3V
R524
4.7k
DG
DG
RA505
150
3
6
RA505
150
4
5
RA503
150
3
6
RA503
150
2
7
RA503
150
1
8
RA503
150
4
5
RA504
150
1
8
RA504
150
4
5
RA504
150
3
6
RA504
150
2
7
UART_RX
UART_TX
R595
4.7k
R501
47
C575
NC
DG
IC503
1
VDD1
2
DQ0
52
VSSQ4
53
DQ15
3
VDDQ1
54
VSS3
4
DQ1
51
DQ14
5
DQ2
50
DQ13
6
VSSQ1
49
VDDQ4
7
DQ3
48
DQ12
8
DQ4
47
DQ11
9
VDDQ2
46
VSSQ3
10
DQ5
45
DQ10
11
DQ6
44
DQ9
12
VSSQ2
43
VDDQ3
13
DQ7
42
DQ8
14
VDD2
41
VSS2
15
LDQM
40
NC/RFU
16
*WE
39
UDQM
17
*CAS
38
CLK
18
*RAS
37
CKE
19
*CS
36
NC1
20
BA0
35
A11
21
BA1
34
A9
22
A10/AP
33
A8
23
A0
32
A7
24
A1
31
A6
25
A2
30
A5
26
A3
29
A4
27
VDD3
28
VSS1
C531
0.1u
R508
4.7k
R514
NC
R583
NC
R584
NC
R547
R560
NC
R561
NC
3.3V
VCCPA
RA522
68
3
6
RA521
68
4
5
RA522
68
1
8
RA521
68
1
8
RA522
68
2
7
RA521
68
2
7
RA521
68
3
6
RA522
68
4
5
RA501
68
4
5
RA501
68
3
6
RA501
68
1
8
RA501
68
2
7
RA502
68
4
5
RA502
68
1
8
RA502
68
3
6
RA502
68
2
7
DG
DG
C519
100p
100p
C513
C578
22u
C527
220p
220p
C517
220p
C516
220p
C515
220p
C514
C524
220p
220p
C518
C526
220p
C525
220p
XA12:For 128Mbit
E
F
G
H
3
12
4
6
57
5
SDCLK
47
KX-NT543RU/KX-NT543RU-B/KX-NT546RU/KX-NT546RU-B
(d)
(e)
(f)
(g)
(h)
(3)
(4)
(5)
(6)
(7)
KX-NT543
RU
/KX-NT546
RU
MAIN BOARD No.1 4/4
4/4
E_RXD3
E_RXDV
SD_CKE
SCLK
LCD_CS
SD_CLK
E_RXD2
E_CRS
E_COL
E_RXD0
E_RXD1
E_RXCLK
I2C_SCL
E_TXD3
R557
100
DG
DG
PDN
003
SPP 004
MIP 004
HSSPOUTP
004
AG
AG
HEADSET_MIN
004
HSMICINP
004
R550
47
C554
NC
IC501
E5
VCC1
E6
GND1
E7
VCC2
E8
GND2
E9
VCC3
E10
AGPIO12
E11
AGPIO15
E12
AGPIO14
E13
AGPIO13
F1
SPOUTP
F2
MIN
F3
DGPIO4
F4
VCCA
F5
GNDPA
F9
GND3
F10
VCC4
F11
EGPIO10
F12
AGPIO10
F13
AGPIO11
G1
HSSPOUTN
G9
VDD2
G10
CGPIO6
G11
CGPIO13
G12
AGPIO8
G13
CGPIO8
H1
HSSPOUTP
H2
DCIN3/APDN
H3
VREF
H4
LIN0
H5
GNDA
H9
GND5
H10
CGPIO1
H11
CGPIO7
H12
CGPIO2
H13
AGPIO7
J1
HSMIP
J2
HSMIN
J3
VCCIN
J4
VDD1
J5
VCC5
J6
GND6
J7
VCC6
J8
GND7
J9
VCC7
J10
AGPIO6
J11
CGPIO4
G2
MIP
G3
DCIN2
G4
GND4
G5
VCCPA
DG
VCCPA
VCCA
HSSPOUTN 004
R564
100
AG
ST1
ST2
R587
F10k
FB_1V
DG
DG
DG
DCDC_OUT
FB_1V
AG
DG
R591
0
R592
1
VCC_2V
FB1V
C563
0.01u
C574
NC
DG
DG
D502
NC
L514
33u
VCC_DSP
C536
0.1u
C541
0.1u
C549
0.1u
C550
0.1u
C552
0.1u
C557
0.1u
C558
0.1u
C570
0.1u
C551
10u
C553
10u
C559
10u
C561
10u
C564
10u
RA511
47
27
C509
0.1u
DG
AG
D503
R590
10k
R589
10k
R588
F12k
R562
270
L515
C543
1000p
C542
1000p
R563
R559
DG
DG
Q505
DG
DG
C576
470p
C577
1u
C579
1u
L501
R567
330
C534
470p
C533
470p
E
F
G
H
8
7
11
10
9
12
3
SCLK
5
SDCLK
48
KX-NT543RU/KX-NT543RU-B/KX-NT546RU/KX-NT546RU-B
12.2. Main No.2
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(12)
(13)
(14)
(14)
(15)
(16)
(17)
(18)
(19)
(16)
(17)
(18)
(19)
(20)
E_MDIO
E_MDCLK
E_TXCLK
E_TXD0
E_TXD1
E_TXD2
E_TXD3
E_TXEN
E_RXCLK
E_RXDV
E_RXD0
E_RXD1
E_RXD2
E_RXD3
E_COL
E_TXEN
E_RXD2
E_MDIO
E_TXD0
PC_TXM
E_RXD0
E_RXD1
E_RXD3
E_TXD1
E_TXD2
E_TXD3
E_COL
E_RXDV
E_RXCLK
E_TXCLK
E_MDCLK
E_RST
PC_TXM
PC_TXP
WAN_TXP
WAN_TXM
WAN_RXM
PC_RXP
WAN_RXP
PC_RXM
E_CRS
PC_TXP
E_TXER
E_TXER
E_RST
VCC1.8
E_CRS
PC_RXP
PC_RXM
WAN_TXM
WAN_TXP
WAN_RXP
WAN_RXM
E_MDIO
001
E_TXCLK
001
E_MDCLK
001
E_TXD0
001
E_TXD1
001
E_TXD2
001
E_TXD3
001
E_RXCLK
001
E_RXDV
001
E_RXD0
001
E_RXD1
001
E_RXD2
001
E_RXD3
001
E_CRS
001
E_COL
001
E_TXEN
001
3.3V
E_RST
001
DG
R413
NC
R412
NC
DG
R402
100
R405
100
R406
100
C415 0.01u
R421
10k
R423
10k
12V
PoEDCOUT
R415
4.7k
RA403
100
4
3
2
5
6
7
1
8
R403
4.7k
C417
NC
C418
NC
E_CLK
002
R420
10k
R414
11.8k
11.8k
PoE_AG
C408
10u
16
PWRGND
Q402
120
Q403
NC
R408
100
R430
100
D403
1A
E_TXER
001
TXD1
TXD2
E_RST
MDIO
TXD3
MDCLK
TXD0
TXCLK
R401
100
X401
NC
1
24
3
R410
100
PoE_DC
R428
10
R418
10k
C464
0.01u
50
R435
27k
R436
F6.8k
R429
NC
R409
F62k
R411
0
R426
10k
R427
100
C406
1u
25
C433
1u
C431
1000p
C409
47p
C410
1000p
R424
F470k
TXEN
C403 0.1u
C41
1
0.1u
C412
0.1u
C413
0.1u
C424
0.1u
C425 0.1u
C432
0.1u
C434
0.1u
C402
22u
C459 22u
C458 10u
C404 1u
L401
L402
L404
L407
D401
L406
330u
IC401
13
NC
14
X1
15
X2
16
SMTXEN3
17
SMTXD33/EN_REFCLKO_3
18
SMTXD32
19
SMTXD31
20
SMTXD30
21
GND1
22
VDDIO1
23
SMTXC3/REFCLKI_3
24
SMTXER3/MII_LINK_3
25 SMRXDV3
26 SMRXD33/REFCLKO_3
27 SMRXD32
28 SMRXD31
29 SMRXD30
30 SMRXC3
31 GND2
32 VDDC
33 SCOL3
34 SCRS3
35 *INTRN
36 SCL_MDC
26 SMRXD33/REFCLKO_3
27 SMRXD32
28 SMRXD31
29 SMRXD30
30 SMRXC3
31 GND2
32 VDDC
33 SCOL3
34 SCRS3
35 *INTRN
36 SCL_MDC
37
SDA_MDIO
38
SPIQ
39
*SPISN
40
VDDIO2
41
GND
42
VDDCO
43
P1LED1
44
P1LED0
45
P2LED1
46
P2LED0
47
*RSTN
48
FXSD1
1
RXM1
2
RXP1
3
TXM1
4
TXP1
5
VDDA_3.3
6
ISET
7
VDDA_1.8
8
RXM2
9
RXP2
10
AGND
11
TXM2
12
TXP2
C407
100u
25
Q401
4
5
1
2
3
6
7
8
IC402
1
RT
2
SS
3
AUXII
4
VIN
5
RCLASS
6
AUXI_IRL
7
DCCL
8
VSS1
9
GND
10
GD
11
VCC
12
*PGD
13
CS
14
COMP
15
VFB
16
AGND
17
VSS2
L420
L421
L423
L422
L403
L414
R425
0.5W
F0.51
C
E
B
A
D
F
3
4
2
5
KX-NT543
RU/KX-NT546RU MAIN BOARD No.2 1/2
5 ECLK
7
10
6 Q401 pin4(Gate)
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