Main No.2 - Panasonic KX-DT543-B Service Manual

KX-DT543/KX-DT543-B/KX-DT546/KX-DT546-B

11.2. Main No.2

(3) IC401(Flash) - IC410(DCX81) signal (Communication)
RESET
3.3V 3.3V
DG
C568
R563 10
14
0.1u
13
DG
12
11
10
SCL
9
SDA
8
R452 1k
CK4M
7 R453 0
UTX
6 R454 0
URX
5
4
1005
HEADSP
3
HEADSETMIC
2
1
HESMIN
CN400
HESSPOUT
AGND
DG
DG
(21) JABRA_URX signal
C405
DG
0.1u
C406
10u
C407
0.1u
DG
4.5V
LCD_PWR
HEADSETMIC
HEADSP
(14) LCD - IC410(DCX81) signal (Reset)
(2) Clock (IC401:Flash) 103.68MHz
C400 0.1u
C559 10p
50
IC401
1 *CS 8
VCC
2 DO/IO1 7
*HOLD/*RESET/IO3
3 6
CLK
*WP/IO2
4 GND 5
DI/IO0
DG
DG
DG
VCC33
CL1
LCD_BL
VDD12
V1.8
DG C560 0.1u
R466
R464
R465
C404
1.2V
1 R467
10u
0
L410 22u
C414 1u
VCC33
VCC33 C415 1u
DG
R536 0
DG
C562 2.2u
C450 0.1u
C451 0.1u
C561 0.1u
DG DG
DG
MICBIAS
C571
10u AGND
L461
6.3
R570 12k
C580
0.47u
6.3
AGND AGND
L462
AGND AGND
22u
C460
1u
C461
SPI_DO
SPI_CS0
LCD_RST
LCD_RST GPIO15
LCD_A0
VCC33
SPI_CLK
VCC33
DG
VCC33
DG
DG
DG
1
DQ2
2
DQ0
3
GPIO26/XD3
4
GPIO27/XD2
5
VCC1
6
XD1/EXGPIO9
IC410
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
R411
R425
47k
47k
VCCA33
DG
10 R427 VCCA33
AGND
DG
DG
R413 1M
X410
13.824M
DG
R238 390
AGND
(1) Clock (IC410:DCX81) 13.824MHz
46
(15) LCD - IC410(DCX81) signal (Communication)
(13) Clock (LCD) SPI_CLK
VCC33
VCC33
UTX
URX
STRAP
UART_GND
DG
VCC33
81
USBDP/GPI29
80
USBDM/GPI28
79 C433
VCC3
78 1k R438 0.1u
GPIO9
77 270 R439
GPIO8
76 270 R440
GPIO7
75
GPIO6
74
GPIO5/TDM_SCLK
73 0.1u
VCC2
72
C432
GPIO4/TDM_FSYNC
71
GPIO3/TDM_RXD
70 470 R441
GPIO2/TDM_TXD
69 0
R442
GPIO1/I2C_SDA
68
0 R443
GPIO0/I2C_SCL
0.1u
67 VCC33
VDD2
66
GPIO17/[ON/OFF] C431
65
VCC_VCO
64
RSTN
63
ATST_P/EXT_LNA
62
ATST_N
61
LNA_INP
60
LNA_INN
59
RX_SW
58 DG
TEST
57
ANT2
56
GND_RF
55
ANT1
VCC33
VCC33 DG
VCC33
DG
DG
DG
MICBIAS
AGND
KX-DT543 KX-DT546 MAIN BOARD No.2 (1/2)
DG
JTAG_TMS
JTAG_RTCK
JTAG_TCK
JTAG_TDI
JTAG_TDO
VCC33 VCC33
DG
INTN
SPI2_CS
SPI2_CLK
SPI2_DO
SPI2_DI
PCM_RXD
PCM_SCLK
PCM_FSYNC
PCM_TXD
SDA
SCL
DG