Schematic Diagram (Base Unit_Main) - Panasonic KX-TG6841B Service Manual

KX-TG6841B/KX-TG6842B/KX-TG6843B/KX-TG6844B/KX-TG6845B/KX-TG6873B/KX-TGA680B

14.2. Schematic Diagram (Base Unit_Main)

RF BLOCK
C892
5p
GND
ANT1
W 0.2mm
L mm
1st layer
GND
CL1
C894
1
3
10p
2
W 0.2mm
C873
DA802
2p
L 10mm
1st layer
GND
GND
GND GND
W 0.2mm
L 3.8mm
1st layer
ANT2
GND
C893
10p
W 0.2mm
L mm
1st layer
GND
GND
C891
5p
GND
WBX02 13pin
PARALLEL WIRE
AP1
+3.0V
C661
0.1u
13
LCD_SIO
LCD_VDD
LCD_GND
LCD_BLT
LCD_SCL
LCD_CD
LCD_RST
LCD_CS
ANS_LED
MSG_LED
SP_LED
MICN MIN
MICP MIP
1
13
NC
KEYIN2
KEYIN3
KEYS_B
KEYS_A
KEYS_C
KEYIN4
KEYIN1
KEYIN5
KEYIN6
KEYS_D
KEYS_E
LED_VDD
1
WBX01 13pin
PARALLEL WIRE
AP1
NC: No Components
MSL
Wm=0.4mm
Lm=10mm
C872
1.3p
C871
1.5p
GND
GND GND GND
W 0.15mm
L 6.2mm SL
1st layer W=0.3mm
L=12.45mm
C819
10p
SL
W=0.2mm open-stub
L=20mm SL
W=2.9mm
L=3.8mm
open-stub
SL
W=0.6mm
L=20mm
R651 680
ANS_LED
Q651
R652 680
MSG_LED
Q652
SPI2_DO
SPI2_CLK
LCD_CD
LCD_RST
LCD_CS
R654 680
SP_LED
Q654
LCD_BLT
RA653
KEYS_A
KEYS_B
5 4
KEYS_C
6 3
7 2
VBAT
8 1
100
KEYIN2
KEYIN3
KEYIN4
KEYIN1
KEYIN5
KEYIN6
KEYS_D
KEYS_E
C895
2p
SHORT1
GND
GND
SL SL
W=0.3mm W=0.3mm
C=2.5pF
L=6.95mm L=6.5mm
7.3mm2
Tx-balun
SL
W=0.3
L=40mm C=2.5pF
7.3mm2
open-stub open-stub
SHORT4
SL SL
W=2.0mm W=2.2mm
L=10.8mm L=5.0mm
Pre-matching
VBAT
SHORT5
* Start Monitor
* When "SFR" command
is executed, 13.824MHz
frequency will be output.
+5.5V
Q661
R661
39
Q663
NC
R664 NC
R666
NC
Q662
68
ANT1
MIN
RXn MIP
MIP MIN
RXp
SPN
SPP
MSL
W=0.25
L=2mm
TXp
MSL
W=0.25
L=2mm
TXn
ANT2
TXn
TXp
RXp
RXn
ANT1
TO RF BLOCK
ANT2
ANS_LED
MSG_LED
LCD_BLT
GND
RSTN
STM/CKM/P15
C516
BELL C517
CHARGE_DET
C518
JTAG_TDO
JTAG_TDI
JTAG_TCK
JTAG_TMS
JTAG_RTCK
VDDC
+3.0V
(1)
(2)
(3)
(4)
(5)
VBAT
(6)
(7)
(8)
(9)
(10)
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
0.1u
57
GPIO[27]
58
VDDUSB
0.1u
59
DM_USB/GPI28
60
DP_USB/GPI29
0.1u
61
VDDC1
62
JTAG_TDO
63
JTAG_TDI
64
JTAG_TCK
65
JTAG_TMS
66
JTAG_RTCK
(11)
(12)