Schematic Diagram (Base Unit_Main) - Panasonic KX-TG234SK Service Manual

Digital cordless answering system
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KX-TG234SK/KX-TGA470B

14.2. Schematic Diagram (Base Unit_Main)

C892
5p
ANT1
W 0.2mm
GND
L
mm
1st layer
GND
C894
CL1
10p
W 0.2mm
L 10mm
1st layer
GND
ANT2
1
3
GND
2
DA802
CL2
C893
10p
W 0.2mm
W 0.2mm
L 10mm
L
mm
1st layer
1st layer
GND
W 0.15mm
GND
C891
L 5.0mm
5p
1st layer
GND
*WBX02
13pin
PARALLEL WIRE
AP1
+3.0V
C661
13
0.1u
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
VBAT
13
KEYS_E
KEYS_C
KEYIN1
KEYIN2
KEYIN3
KEYS_D
LED_VDD
KEYIN4
KEYIN5
NC
SP_LED
MICN
MIN
MICP
MIP
1
*WBX01
13pin
PARALLEL WIRE
AP1
NC: No Components
R807
470
C822
10p
GND
GND
W 0.15mm
L 20mm
3rd layer
C826
10p
DA801
2
C895
C812
L809
3
1
7.5n
1.2p
0.9p
C859
C896
2.2p
2.2p
W 0.15mm
L 20mm
GND
GND
3rd layer
GND
R806
W 0.15mm
C825
470
L 5.0mm
10p
1st layer
GND
Q651
ANS_LED
R651
680
5
1
C1
B1
2
E
680
MSG_LED
R652
4
3
C2
B2
LCD_RST
LCD_CS
LCD_CD
SPI2_DO
SPI2_CLK
*R655
100
KEYIN6
*R656
100
KEYS_A
*R657
100
KEYS_B
R654
LCD_BLT
2.2k
Q653
KEYS_E
KEYS_C
KEYIN1
KEYIN2
KEYIN3
KEYS_D
KEYIN4
KEYIN5
SP_LED
*R653
680
*Q652
C827
10p
C820
1.5p
GND
GND
GND
C810
2.4p
C806
GND
GND
W 0.2mm
GND
L 10.0mm
1st layer
C811
10p
GND
* Start Monitor
* When "SFR" command
is executed, 13.824MHz
frequency will be output.
68
ANT1
RXON
MIN
MIP
RXn
MIP
MIN
RXp
SPN
SPP
TXp
C805
2.7p
TXn
ANT2
TXON
TXn
TXp
2.7p
RXp
VBAT
RXn
RXON
ANT1
TO RF BLOCK
VBAT
TXON
ANT2
ANS_LED
MSG_LED
LCD_BLT
GND
RSTN
STM/CKM/P15
C516
0.1u
BELL
C517
0.1u
CHARGE_DET
RA501
C518 0.1u
33
JTAG_TDO
JTAG_TDI
5
4
JTAG_TCK
6
3
JTAG_TMS
7
2
JTAG_RTCK
8
1
VDDC
RA502
10k
+3.0V
MODEL
*R510
*R511
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
45
TXp
46
RXp
47
RXn
48
GND_RF
49
TRSW_p
50
ANT_n
51
ATST_n
52
ATST_p
53
TEST
54
*IC501
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
(12)
NC
(13)
NC
(14)
(15)

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