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KX-TG2431W / KX-TG2432W / KX-TG2432B / KX-TGA242W / KX-TGA242B
9 SCHEMATIC DIAGRAM (BASE UNIT_MAIN)
IC601
FLASH_4M
15 NC
14
SO
16 NC
13
SI
17
12
NC
BCLK
18 NC
11
CS
19 NC
10
NC
20 NC
9
NC
21 NC
8
NC
22 NC
7
GND
23
6
NC
VCC
24 NC
5
NC
25 NC
4
NC
26 NC
3
WP
27
2
NC
RESET
28 NC
1
RDY
R601
NC
RDY
W_GND
IO1
W_VDD
1
2
Q202
NC
3
C201
R202
4
NC
NC
Q201
NC
26.6ms
Power ON
RA500
(Reset)
2
4
6
8
100K
C611
NC
IC611
NC
1
8
A0
VCC
2
7
A1
WP
3
6
A2
SCL
4
5
VSS
SDA
C612
NC
STB1
STB2
STB3
NC: No Components
VBATT2
VBATT2
MOD_EN
MOD_EN
SDIO
SDIO
SDATA
SDATA
SCLK
SCLK
SLE
SLE
TX_DATA
TX_DATA
RX_GAIN
RX_GAIN
RX_EN
RX_EN
TX_EN
TX_EN
SHCTRL
SHCTRL
RX_DATA
RX_DATA
RF_RESET
RF_RESET
RSSI
RSSI
OSC_IN
OSC_IN
ANT
GND
GND
IC201
NC
8
VCC
7
UTX
-
+
+
-
6
URX
5
GND
1
3
5
7
INT0
INT1
C503 K0.1
R592
R594
R593
STB4
R523 39K
C521 C3P
R521 1.8K
Q521
PDN
RA501
7
8
5
6
3
4
1
2
4.7K
RXD
TXO
81
SEG11
82 SEG10
83 SEG9
84 SEG8
85 SEG7
86 SEG6
87 SEG5
88 SEG4
89 SEG3
90 COM2
IC501
91 COM1
92 UART_TX
93 UARTRX
94 INT0
95 DGPIO0/CD0
96 GND
97 VCC
98 MSG_LED
99 FL_CLK
100
INT1
NC
NC
NC
J600
NC
J601
NC
S662
S661
3
3
NC
NC
4
2
4
2
1
1
22
2.5V
3.3V
VCC
Measure the SP voltage of the Handset
RST
soon after the power is turned ON.
INTERCOM
to Handset RX
-43dBm/600Ω
IN 19mVp-p
Analog
X501
13.824MHz
C517
R517
K0.1
R509
NC
NC
C518
10uF
50
VCCPLL
49
GNDPLL
C513
K0.1
48
VCCR
C514
NC
47
RSSI
46
VREFR
45
TXMOD
44
GNDR
43
MIP
42
MIN
41
VREF
40
HSMIN
39
HSMIP
38
GNDA
37
VCCA
36
LIN0
35
DCIN
34
LOUT0
33
HSSP
32
VCCPA
31
SPN
TX 940mVp-p
C505 NC
L401
6.8uH
NC
R474
L402
6.8uH
NC
R473
KIN1
KIN2
KIN3
GND
IC301
2
1
2.5V
(1)
OUT
IN
GND
3
VCC 3.3V
(2)
(3)
PQLT3E3A-M
VCCA 3.3V
(DSP,MIC)
C457
R459
K0.022
2.2K
R460
C458
MIC
2.2K
MIP
K0.022
MIM
C516
10u/6.3V
C515
K1.0
(4)
R178
1K
(5)
R134
C120
1K
(6)
K5600P
(7)
(8)
SP
VCCPA 3.3V
SP
INTERCOM
SP PAD
from Handset TX
240mVp-p 8Ω
(Vol. MAX)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
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