68
KX-TG6841B/KX-TG6842B/KX-TG6843B/KX-TG6844B/KX-TG6845B/KX-TG6873B/KX-TGA680B
14.2. Schematic Diagram (Base Unit_Main)
JT
A
G_TDO
URX
JTAG_TMS
UTX
JT
A
G_TDI
JT
A
G_TMS
JTAG_RTCK
JT
A
G_TCK
BELL
CHARGE_DET
LCD_BLT
MSG_LED
ANS_LED
KEYS_D
MSG_LED
ANS_LED
JTAG_TDO
JTAG_TDI
JTAG_TCK
JT
A
G_R
TCK
LCD_CD
LCD_RST
LCD_CS
KEYIN1
KEYS_E
KEYIN2
KEYIN3
KEYIN4
KEYIN5
SPI2_DO
LCD_BLT
SPI2_CLK
SP_LED
KEYIN6
KEYS_A
KEYS_B
KEYS_C
TXp
+3.0V
C455
NC
SPN
C666
NC
ANT1
C662
NC
C517 0.1u
UGND
TDI
RSTN
C652
NC
TXn
C663
NC
MIP
C665
NC
R891
470
ANT1
C668
NC
C456
NC
RT
C
K
STM/CKM/P15
WBX02
AP1
13pin
PARALLEL WIRE
RXp
R892
470
C477
NC
C478
NC
DA802
1
2
3
MIN
C518
0.1u
MIN
GND
TDO
VBAT
MIP
MIP
C664
NC
UTX
C454
NC
MIN
GND
TCK
GND
RXn
C479
NC
C476
NC
VDDC
C651
NC
ANT2
C667
NC
SPP
WBX01
AP1
13pin
PARALLEL WIRE
URX
ANT2
TMS
C516 0.1u
LCD_SIO
LCD_VDD
LCD_SCL
LCD_RST
LCD_CD
LCD_GND
ANS_LED
MSG_LED
LCD_BLT
LCD_CS
KEYIN6
KEYS_A
KEYS_B
MICN
KEYIN3
KEYS_C
MICP
SP_LED
NC
KEYIN1
KEYIN5
KEYIN4
LED_VDD
KEYS_E
KEYIN2
KEYS_D
C653
NC
C654
NC
C655
NC
C656
NC
C659
NC
C657
NC
C658
NC
+3.0V
C661
0.1u
D473
NC
A K
A K
D472
NC
C669
NC
CL1
GND
GND
GND
ANT2
12
ANT1
12
Q654
R654
680
R651
680
R652
680
VBAT
R666
NC
C892
5p
C891
5p
Q651
Q652
RA653
100
1
2
3
4
5
6
7
8
R665
820
+5.5V
R663
NC
R664 NC
C515
1u
Q661
Q663
NC
Q662
R661
39
C897
NC
C819
10p
RXp
C896
NC
RXn
L804
NC
TXp
C895
2p
GND
TXn
GND
VBAT
GND
L803
2.7n
GND
C894
10p
C893
10p
GND
ANT2-Shor
t
ANT2-S-GND GND
ANT1-S-GND
GND
ANT1-Shor
t
R503 10k
R506 10k
R502 10k
R504 10k
SHORT1
SHOR
T2
SHOR
T3
SHORT4
SHORT5
SHOR
T6
45
TXp
46
RXp
47
RXn
48
GND_RF
49
TRSW_p
50
ANT_n
51
ATST_n
52
ATST_p
53
TEST
54
RSTN
55
NC
56
VCC_VCO
57
GPIO[27]
58
VDDUSB
59
DM_USB/GPI28
60
DP_USB/GPI29
61
VDDC1
62
JTAG_TDO
63
JTAG_TDI
64
JTAG_TCK
65
JTAG_TMS
66
JTAG_RTCK
GND
GND
GND
GND
SHOR
T7
C873
2p
C872
1.3p
C874
15p
C871
1.5p
1
13
1
13
W 0.2mm
L mm
1st layer
TO RF BLOCK
W 0.2mm
L mm
1st layer
W 0.2mm
L 10mm
1st layer
MSL
Wm=0.4mm
Lm=10mm
SL
W=0.3mm
L=12.45mm
C=2.5pF
7.3mm2
RF BLOCK
C=2.5pF
7.3mm2
MSL
W=0.25
L=2mm
SL
W=0.2mm
L=20mm
Pre-matching
open-stub
SL
W=2.0mm
L=10.8mm
open-stub
SL
W=0.6mm
L=20mm
MSL
W=0.25
L=2mm
SL
W=0.3mm
L=6.5mm
open-stub
SL
W=2.2mm
L=5.0mm
Tx-balun
SL
W=0.3
L=40mm
open-stub
SL
W=2.9mm
L=3.8mm
SL
W=0.3mm
L=6.95mm
W 0.15mm
L 6.2mm
1st layer
W 0.2mm
L 3.8mm
1st layer
* Start Monitor
* When "SFR" command
is executed, 13.824MHz
frequency will be output.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
NC: No Components