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KX-TG254SK/KX-TGA470S
14.2. Schematic Diagram (Base Unit_Main)
*WBX02
13pin
PARALLEL WIRE
AP1
+3.0_CP2
16
R657
680
CELL1_LED(R)
R656
100
BT_HS_LED(G)
R655
680
BT_HS_LED(R)
MSG_LED
ANS_LED
LCD_BLT
L661
NC
LCD_GND
LCD_RST
L665
NC
LCD_CS
L664
NC
LCD_CD
L662
NC
LCD_SID
L663
NC
LCD_SCL
LCD_VDD
KEYIN6
KEYS_A
KEYS_B
1
+3.0V
16
R654
100
CELL1_LED(G)
R653
680
CELL2_LED(R)
R652
100
CELL2_LED(G)
KEYS_E
KEYS_C
KEYIN1
KEYIN2
KEYIN3
KEYS_D
LED_VDD
KEYIN4
KEYIN5
KEYS_F
SP_LED
MICP
MIP
MICN
MIN
1
*WBX01
13pin
PARALLEL WIRE
AP1
BT Headset Rx
Cell Phone Tx
BT BLOCK
ANT_BT
ANTENNA-BT
R781
NC
TP_ANT_C3
ANT_C3
BT Headset Tx
Cell Phone Rx
+3.0V
C721
0.1u
BT_IO1
24 PIO1
BT_IO2
25 PIO2
26 GND12
27 VCC
IC721
28 GND13
29 USB_D+
30 USB_D-
31 PCM_IN
32 PCM_CLK
BT Headset Rx
Cell Phone Tx
SP_LED
BT_HS_LED(R)
BT_HS_LED(G)
CELL1_LED(R)
CELL1_LED(G)
CELL2_LED(R)
Q653
CELL2_LED(G)
BT_HS_LED(R)
5 C1
1
B1
2
E
BT_HS_LED(G)
4 C2
3
B2
+3.0_CP2
R658
1.2k
Q654
MSG_LED
ANS_LED
LCD_BLT
LCD_RST
LCD_CS
LCD_CD
SPI2_DO
SPI2_CLK
KEYIN6
*R659
NC
KEYS_A
*R660
NC
+3.0_CP2
Q652
CELL1_LED(G)
5 C1
1
B1
2
E
CELL1_LED(R)
4 C2
3
B2
Q651
CELL2_LED(R)
5 C1
1
B1
2
E
CELL2_LED(G)
4 C2
3
B2
RA652 1k
KEYIN4
1
8
KEYIN3
2
7
KEYIN2
3
6
KEYIN1
4
5
RA651 1k
KEYS_F
1
8
KEYS_E
2
7
KEYS_D
3
6
KEYS_C
4
5
KEYIN5
*R661
NC
*R651
NC
SP_LED
*Q655
NC
BTSPI_CLK
BTSPI_MISO
BT_SPI
BTSPI_CSB
BTSPI_MOSI
BT_GND
+3.0V
GND4
15
BT_RST
RESETB
14
SPI_CLK
13
SPI_MISO
BT_UTX
BT_URX
12
SPI_CSB
11
SPI_MOSI
10
BT_UTX
TX
9
+3.0V
BT_RTS
RTS
8
BT_CTS
BT_URX
PCM_DI
PCM_FSC
PCM_CLK
PCM_DO
BT Headset Tx
Cell Phone Rx
+3.0V
C751
0.1u
IC751
1 QB
16
VCC
2 QC
15
QA
SPI2_DO
3 QD
14
SI
R753
4 QE
13
*RCLR
NC
IO_LE
5 QF
12
RCK
SPI2_CLK
6 QG
11
SCK
IO_CLR
7 QH
10
*SCLR
8 GND
9
QH'
MIN
SP Phone Tx
MIP
SP Phone Rx
MIP
SPN
SPP
+1.8V
KEYS_F
KEYS_E
KEYS_D
VDD4: 3.0V
VDD4
+3.0_CP
VDD5: 3.0V
MODEL
VDD5
+3.0_CP2
*R511
1k
C509 2.2u
C510
NC
C511 1u
C512
NC
CHARGE_DET
C505 0.1u
STM/CKM/P15
R508
10
KEYS_C
KEYIN6
KEYIN5
LCD_BLT
KEYS_A
KEYIN4
KEYIN3
KEYIN2
KEYIN1
IO_LE
IO_CLR
SPI_DI
SPI_DO
SPI_CLK
TAM_CSn
+3.0V
R671
47k
R672
47k
R673
47k
BT_UTX
Q732
Q731
BT_URX
URX
3
4
UTX
GND
JTAG
+3.0_CP2
R606
10k
R607
10k
Q601
R605
2.2k
IC601
1
8
*CS
VCC
2 DO/IO1
7
*HOLD/IO3
3
6
*WP/IO2
CLK
4
5
GND
DI/IO0
16M FLASH
74
*C458 NC
*C457 NC
MIN
*C459
10p
C473 10p
NC
C460
C472 10p
C506
+3.0V
C461
2.2u
10p
49 CP_C2x
50 CP_C1y
51 CP_VBAT2
52 CP_C2y
53 CP_VOUT1
54 CP_VOUT2
55 PON/P1_6
56 VDD2
57 P2_7/BXTAL
58 P1_5/INT5/RDI/VDDE
59 P1_4/INT4/TDOD
IC501
60 P1_3/INT3/SIO
61 P1_2/INT2/SK
62 P1_1/INT1/LE
63 P2_6/WTF_IN
64 P5_0
65 P5_1
66 P5_2
67 P5_3
68 P5_4
69 P0_7/SPI_DI/PWM1
70 P0_6/SPI_DO
71 P0_5/SPI_CLK
72 P0_4/SPI_EN
+1.8V
+3.0V
C513
0.1u
RA501
2
1
220
+3.0_CP2
R506
100
IC611
64K EEPROM
1 A0
8
VCC
2 A1
7
WP
TAM_WP
3 A2
6
SCL
4 VSS
5
SDA
SPI_CLK
SPI_DO
SPI_DI
TAM_CSn
(1)
(2)
(3)
(4)
(5)
(6)
(7)
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