Panasonic KX-DT543RU / KX-DT546RU Service Manual ▷ View online
45
KX-DT543RU/KX-DT543RU-B/KX-DT546RU/KX-DT546RU-B
+
-
JK300
1
2
3
4
5
JK301
1
2
3
4
5
L301
L302
D300
1
2
3
4
T300
1
2
4
5
6
7
10
9
8
DG
R301
270
R302
22
R303
22
D301
1
2
2
3
VDD33
VDD33
DG
VDD33
VDD33
DG
R309
1.2k
R310
120
R311
1.8k
DG
DG
Q303
Q304
1
E1
2
B1
3
C2
4
E2
5
B2
6
C1
C303
1000p 50
C302
1000p
50
1000p
50
VCC33
VDD33
VCCA33
C301
NC
L
H
T
R
H-D
L-D
C305
1u
10
C304
1u
1u
10
R306
8.2k
R307
5.6k
R308
12k
C306
0.1u
10
C310 0.1u 10
C311
0.1u 10
Q301
1
E1
2 B1
3 C2
4
E2
5
B2
6
C1
R319
8.2k
R320
5.6k
R305
1.8k
R304
1.8k
C312
1000p
1000p
C313
1000p
1000p
C307
1000p
1000p
C308
1000p
1000p
C325
1u
10
R322
5.6
DG
DG
R542
NC
R541
10k
R545
NC
DG
C555
NC
C557 0.1u 16
C558
150u
25
R546
NC
R540
NC
C556
0.1u
50
0.1u
50
3.3V
R547
27k
R548
3.9k
L222
0
L220
0
L221
0
D315
C551 0.1u 50
3.3V
DG
R321
27
R560
0
PG
PG
C309
1u
50
50
PG
PG
PG
C332 1u
50
C331
1u
50
R342
560
R343
330
VDD33
DG
DG
DG
C330 0.1u 10
R340
100
R341
100
R312
1.2k
R313
1.2k
Q332
1
E1
2 B1
3 C2
4
E2
5
B2
6
C1
DG
C337
1u
50
R348
330
R349
560
DG
VDD33
DG
C333
0.1u
10
DG
C334
NC
VDD33
VDD33
C335 0.1u 10
DG
C336
0.1u
10
DG
DG
R350
4.7k
R351
4.7k
R352
15k
R353
5.6k
R354
6.8k
R355
10k
DG
R537
620k
R556
750k
C552 0.015u
16
C533
8200p
R539
18k
R538
10k
C554
100p
IC510
1 BOOT
2 VIN
3 EN
4 SS/TR
5 RT/CLK
2 VIN
3 EN
4 SS/TR
5 RT/CLK
6
PWRGD
7
VSENSE
8
COMP
9
GND1
10
PH
11
GND2
L309 220u
D532
D533
L303
L304
Q331
1 B1
2 E
3 B2
5
C1
4
C2
Q330
R554
7.5k
R552
100k
C550
220u
50
R345
470
R346
4.7
R347
4.7
1608 50V 1u
(1)
(2)
(3)
(4)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
KX-DT543
58/KX-DT54658 MAIN BOARD NO.1 (2/2)
(11) DPT - PBX signal (Receiving signals)
(12) DPT - PBX signal (Transmitting signals)
(12) DPT - PBX signal (Transmitting signals)
(12) DPT - PBX signal (Transmitting signals)
(12) DPT - PBX signal (Transmitting signals)
(16) DXDP signal (Receiving signals)
(17) DXDP signal (Transmitting signals)
(17) DXDP signal (Transmitting signals)
(17) DXDP signal (Transmitting signals)
(17) DXDP signal (Transmitting signals)
46
KX-DT543RU/KX-DT543RU-B/KX-DT546RU/KX-DT546RU-B
11.2. Main No.2
DQ2
DQ1
S#
DQ3
DQ0
C
S#
DQ2
DQ1
DQ3
C
DQ0
VCC33
AGND
DG
SPP
C416
0.1u
HEADSETMIC
VCC33
PCM_TXD
DG
VCC33
MICP
VCCA33
DG
LCD_BL
C454
10u
SPI2_DO
SPI2_CLK
VCC33
C443
10u
SPI2_DI
VDD12
C404
10u
10u
DG
C406
10u
C428 10u 6.3
DG
DG
AGND
SDA
DG
HSMICINP
MICBIAS
DG
SPI2_CS
DG
DG
HSSPOUTP
VCC33
SCL
C442
150p
RESET
DG
MICN
HSMICINN
PCM_FSYNC
C455
10u
SPN
IC410
83
TDI
84
TCK
85
TMS
86
RTCK
87
GPIO10
88
GPIO11/SPIM_DI
89
GPIO12/SPIM_DO
90
GPIO13/SPIM_CLK
91
GPIO14/SPIM_CS
92
VDD3
93
VCC4
94
GPIO15
95
GPIO16
96
GPIO18
97
GPIO19
98
GPIO20
99
GPIO22/XD7
100
GPIO23/XD6
101
GPIO24/XD5
102
GPIO25/XD4
103
QCSN1/EXGPIO0
104
QCSN0
105
DQ3
106
QVCC
107
DQ1
108
QSCLK
1
DQ2
2
DQ0
3
GPIO26/XD3
4
GPIO27/XD2
5
VCC1
6
XD1/EXGPIO9
7
XD0/EXGPIO10
8
XOEN/EXGPIO6
9
XWEN/EXGPIO7
10
XA0/EXGPIO8
11
XCSN3/EXGPIO5
12
VDD_DPU_DAIF
13
PLL2VSSA
14
PLL2VDDA
15
PLL1VDDA
16
PLL1VSSA
17
VDD1
18
COREOUT
19
VBAT
20
DOUBCAP2N
21
DOUBCAP2P
22
DOUBCAP1N
23
DOUBCAP1P
24
DOUT3V0
25
DOUT4V5
26
DOUT2V5/DCIN0/LIN0
27
LEDSINK2/DCIN1
28
DCIN2
29
DCIN3/LIN1
30
LEDSINK1/PWM1
31
VREF
32
VCCA
33
MIN
34
MIP
35
HSMIN
36
HSMIP
37
MPWR
38
SPOUTP
39
VCCPA
40
SPOUTN
41
HSSPOUTP
42
LOUT
43
PWM0
44
DCINS
45
XOUT
46
XIN
47
VDD_APU
48
VBAT_APU
49
VDD_IF
50
VCC_FE_IF
51
VCC_PA
52
BAL_OUT2
53
BAL_OUT1
55
ANT1
56
GND_RF
57
ANT2
58
TEST
59
RX_SW
60
LNA_INN
61
LNA_INP
62
ATST_N
63
ATST_P/EXT_LNA
64
RSTN
65
VCC_VCO
66
GPIO17/[ON/OFF]
67
VDD2
68
GPIO0/I2C_SCL
69
GPIO1/I2C_SDA
70
GPIO2/TDM_TXD
71
GPIO3/TDM_RXD
72
GPIO4/TDM_FSYNC
73
VCC2
74
GPIO5/TDM_SCLK
75
GPIO6
76
GPIO7
77
GPIO8
78
GPIO9
79
VCC3
80
USBDM/GPI28
81
USBDP/GPI29
109
GND
54
TX_SW
82
TDO
PCM_SCLK
PCM_RXD
LCD_PWR
URX
UTX
DG
R413
1M
R412
47
R411
47k
R410
47k
INTN
R416
47k
DG
R424
47k
R423
47k
DG
DG
DG
DG
DG
JTAG_RTCK
JTAG_TDI
JTAG_TMS
JTAG_TCK
JTAG_TDO
DG
AGND
UTX
URX
UART_GND
D460
C460
22u
L460
C462
1u
C466
1u
C464
1u
C463
1u
CN460
1
ESD-VSS
2
SCL
3
SDA
4
A0
5
/RES
6
/CS
7
VDD1
8
VD1
9
VSS
10
VDDA
11
VM
12
VO
13
XVO
14
VG
15
ESD-VSS
C467
1u
DG
VCC33
C461
1u
C465
1u
STRAP
DG
CN400
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AGND
3.3V
SCL
SDA
CK4M
V1.8
UTX
URX
HEADSETMIC
HEADSP
R418
10k
R419
10k
R420
10k
R422
1k
DG
R421
NC
R404
4.7k
R403
NC
R400
NC
R401
NC
R402
NC
ST3
ST2
ST1
ST0
SPI_CS0
LCD_RST
LCD_RST
LCD_A0
SPI_DO
SPI_CLK
C411 0.1u
C405
0.1u
C400
0.1u
C402 0.1u
C410
0.1u
C407
0.1u
0.1u
C418 0.1u
C419 0.1u
C420
0.1u
C423 0.1u
C424
0.1u
C425
0.1u
C453
10u
C412
0.1u
C422
0.1u
C426
0.1u
C431
0.1u
C432
0.1u
C433
0.1u
0.1u
R238
390
R427
10
R430
0
R431
0
R432
0
R433
0
R437
0
R443
0
R442
0
R453 0
R454 0
DG
VCC33
R415
NC
R417
NC
R465
1
R467
0
X410
13.824M
R425
47k
L410
22u
C413
10u
DG
DG
R426
10k
VCC33
R428
47k
DG
R470
NC
R471
NC
VCC33
R472
47k
NC
VCC33
C559
10p
50
VCC33
C421
22u
DG
VCC33
R536
0
C429
1u
6.3
C430
1u
DG
VCC33
C427
2.2u
10
VCC33
VCC33
DG
DG
VCCA33
R557
0
VCC33
DG
DG
C560
0.1u
C562 2.2u
C450 0.1u
C451 0.1u
C451 0.1u
C561 0.1u
4.5V
1.2V
HESMIN
HESSPOUT
CL1
C490
NC
C491
NC
DG
DG
R558
0
DG
R563
10
C568
0.1u
DG
IC401
1 *CS
2 DO/IO1
2 DO/IO1
6
CLK
7
*HOLD/*RESET/IO3
3
*WP/IO2
8
VCC
4 GND
5
DI/IO0
3.3V
C571
10u
6.3
10u
6.3
R566
330
AGND
AGND
AGND
AGND
AGND
MICBIAS
R567
NC
DG
C574
22u
6.3
C575
22u
6.3
L461
L462
R569
2.2k
C576
1000p
C577
1000p
C578
NC
C579
NC
R570
12k
C580
0.47u
6.3
0.47u
6.3
HEADSP
R405
33
R406
33
R407
33
R408
33
R409
33
R441
470
R434
1k
R436
1k
R439
270
R440
270
R438
1k
R455
1k
R456
1k
R466
R464
C581
1000p
50
C414
1u
C415
1u
R452 1k
R559
0
DG
C440
22p
C441
22p
R435
330
LCD_RST GPIO15
1005
KX-DT543
58/KX-DT54658 MAIN BOARD No.2 (1/2)
(2) Clock (IC401:Flash) 103.68MHz
(13) Clock (LCD) SPI_CLK
(14) LCD - IC410(DCX81) signal (Reset)
(15) LCD - IC410(DCX81) signal (Communication)
(3) IC401(Flash) - IC410(DCX81) signal (Communication)
(1) Clock (IC410:DCX81) 13.824MHz
(21) JABRA_URX signal
47
KX-DT543RU/KX-DT543RU-B/KX-DT546RU/KX-DT546RU-B
SIGN2741
LED+
LED-
TP_LED+
LCD_BL
TP_LED-
DG
LCD_PWR
AGND
DG
AGND
AGND
AGND
AGND
MICP
SPP
AGND
HSMICINN
AGND
SP2
MIP
AGND
SPN
HSMICINP
MIC1
DG
HSSPOUTP
AGND
AGND
AGND
MICBIAS
AGND
AGND
SP1
SPP
AGND
MICBIAS
SPN
AGND
MIC2
MIN
MICN
AGND
AGND
AGND
C500
1000p
50
C501
0.01u
16
C504
1000p
50
C503
NC
C507
NC
C502
330p
50
C506
330p
50
C515
NC
C516
NC
C517
NC
R517
220
R518
220
R519
2.2k
R520
2.2k
C521
NC
C522
NC
C523
NC
C524
NC
C526
NC
C527
NC
C528
NC
C530
33p
50
C531
NC
C532
NC
C534
NC
C535
NC
C537
NC
C538
NC
R534
2.2k
R535
2.2k
R532
220
R533
220
C536
NC
DG
DG
DG
DG
G
D
G
D
DG
DG
DG
D500
NC
D501
NC
D530
NC
D531
NC
D515
NC
D516
NC
D517
NC
R501
0
R502
0
Q460
HSMIP
HSMIN
HSSPOUT
R568
0
C582
NC
C583
NC
DG
C584
NC
DG
C585
NC
C586
NC
C587
NC
C588
NC
DG
VCCA33
DG
VCC33
JK501
1
2
3
4
2
3
4
5
L463
L464
L465
R564
330 C570
10u
6.3
6.3
C518
220p
C513
0.1u
50
0.1u
50
C514
0.1u
50
0.1u
50
R515
3.3k
R516
3.3k
R565
330
C569
10u
6.3
C540
0.1u
50
0.1u
50
C541
0.1u
50
0.1u
50
R530
3.3k
R531
3.3k
C525
3300p
C519
22u
6.3
22u
6.3
C520
22u
6.3
22u
6.3
R574
0
NC
DG
R463
100
LCD + Backlit
Handset Jack
DG
KX-DT543
58/KX-DT54658 MAIN BOARD No.2 (2/2)
48
KX-DT543RU/KX-DT543RU-B/KX-DT546RU/KX-DT546RU-B
11.3. Ope
SIGN1621
KEYIN3
KEYIN7
KEYIN6
KEYIN5
KEYIN1
KEYIN0
KEYIN4
KEYIN2
LED_STB3-R
LED_STB6-R
LED_STB6-R
LED_STB4-R
LED_STB0-R
LED_STB2-R
LED_STB3-R
LED_STB4-R
LED_STB4-R
LED_STB4-R
LED_STB2-R
LED_STB5-R
LED_STB7-R
LED_STB3-R
LED_STB4-R
LED_STB7-R
LED_STB2-R
LED_STB3-R
LED_STB5-R
LED_STB3-R
LED_STB2-R
LED_STB4-R
LED_STB3-R
LED_STB1-R
LED_STB5-R
LED_STB3-R
LED_STB4-R
LED_STB5-R
LED_STB2-R
LED_STB5-R
LED_STB2-R
LED_STB5-R
LED_STB6-R
LED_STB1-R
LED_STB2-R
LED_STB4-R
LED_STB5-R
LED_STB0-R
LED_STB1-R
LED_COM4
LED_STB2
LED_COM4
LED_COM4
LED_COM2
3.3V
LED_STB0
LED_COM2
LED_COM1
DG
LED_STB1
W
S
K
O
O
H
4
M
O
C
_
D
E
L
LED_BELL_R
LED_COM1
INT0
1
B
T
S
_
D
E
L
4
M
O
C
_
D
E
L
HOOKSW
LED_COM4
LED_COM3
LED_STB3
LED_COM3
3.3V
LED_STB0
DG
LED_COM4
LED_STB3
LED_STB2
AGND
EHS_DET
EHS_TX
HEADSET_MIC
HEADSET_DET
LED_STB5-R
3.3V
HEADSET_DET
JABRA_UTX
3.3V
3.3V
IC150
1 CLKIN
12
KEYIN2
13
KEYIN3
23
LED_COM3
34
LED_COM6
14
KEYIN4
15
KEYIN5
16
KEYIN6
17
KEYIN7
18
VSS2
19
VDD2
20
LED_COM0
21
LED_COM1
22
LED_COM2
24
LED_STB0
25
LED_STB1
26
LED_STB2
27
LED_STB3
28
LED_STB4
29
LED_STB5
30
LED_STB6
31
LED_STB7
32
LED_COM4
33
LED_COM5
35
LED_COM7
36
VDD3
37
VSS3
38
INT_OUT0
39
INT_OUT1
40
TEST
41
RESET
42
SCS
43
SCLK
44
SDI
2 CLKOUT
3 VDD1
4 VSS1
5 SDO
6 GKEYIN0
7 GKEYIN1
8 PSBIN
9 PSBOUT
10 KEYIN0
11 KEYIN1
DG
DG
DG
3.3V_L
3.3V
3.3V
3.3V
5V
Q173
10k
10k
IC170
1
2
3
4
IC171
1
2
3
4
Q172
4.7k
10k
Q171
Q170
D172
D171
D170
C171
18p
50
C170
18p
50
R179
NC
JABRA_UTX
JABRA_URX
R151
0
CN160
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DG
3.3V
AGND
C161
0.1u
C160
10u
C162
NC
AGND
JABRA_UTX
JABRA_URX
JK160
1
4
2
3
3
5
AGND
AGND
AGND
SW60
1
2
C165 330p
C167
NC
C166 1000p
R170
22 R171
22
R177
330
R172
0
R175
1k
R174
10k
R173
33k
R176
330
R182
10k
R181
10k
R180
10k
AGND
HEADGND
HEADGND
HEADGND
HEADGND
HEADGND
HEADGND
C156
0.1u
C153
4.7u
C150
0.1u
C152
0.1u
C151
0.01u
R160
NC
R161
2.7k
C164
NC
HEADGND
AGND
HEADGND
J201
J219
J241
J202
J205
J234
J208
J204
J239
J213
J207
J231
J227
J211
J233
J215
J206
J222
J230
J221
J235
J212
J237
J232
J217
J220
J226
J228
J225
J214
J216
J263
J203
J223
J218
J224
J209
J210
J257
J229
J268
J258
J252
J271
J238
J266
J242
J246
J251
J240
J253
J247
J248
J269
J264
J260
J254
J267
J243
J270
J250
J274
J249
J273
J255
J244
J245
J261
J256
AG_PAD
AGND
J262
J272
J275
J276
J265
D1
NC
1
2
C1
NC
MIC-
MIC+
MIC1
1
2
C157
NC
J278
J279
C159
22u
C158
22u
J280
SCL
CK4M
ASIC_IN
T
SDA
ASIC_RST
J281
JABRA_UTX
EHS_TX
EHS_RX
EHS_DET
JABRA_URX
DG
5V
C11
NC
DG
3.3V
IC160 NC
1
VOUT
2 GND
4
C-
5
VIN
3
*SHDN
6
C+
DG
AG1
AG2
Q174
JK302
4
1
3
2
2
R156
NC
R157
NC
R155
NC
R154
NC
J259
R178
150
R185
150
R1
220
R2
220
R183
0
R184
0
R202 2.2k
D160
D162
L160
D161
L161
L162
D163
L163
L150
C154
22u
R203
0
R162 0
C10 10u
6.3
C12 10u
6.3
IC172
1
4
6
5
3
IC173
1
4
6
5
3
C168
100p
C169
1000p
C172
1u
Protect circuit recommended by Plantronics
Insulated by secondart circuit
HOOK
Chip Jumper:Near FF key
y
e
k
F
F
r
a
e
n
r
e
p
m
u
J
p
i
h
C
6
4
5
T
N
r
o
f
y
l
n
o
r
e
p
m
u
J
p
i
h
C
Chip Jumper near JACK
mini PCB
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
KX-DT543
58/KX-DT54658 OPERATION BOARD (1/2)
(5) Clock (IC150:ASIC2) 2MHz
(6) IC150(ASIC2) - IC410(DCX81) signal (Reset)
(7) IC150(ASIC2) - IC410(DCX81) signal (Communication)
(18) EHSTX signal
(19) EHSRX signal
(20) JABRA_UTX signal
(21) JABRA_URX signal
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