Schematic Diagram (Base Unit) - Panasonic KX-TG2344B Service Manual

KX-TG2344B / KX-TGA234B

31 SCHEMATIC DIAGRAM (Base Unit)

ANTG1 ANT1
ANTG2 ANT2
IC701
4M
NC SO
15 14
NC SI
16 13
NC BCLK
17 12
NC CS
18 11
NC NC
19 10
NC NC
20 9
NC NC
21 8
NC GND
22 7
C701
NC VCC
23 6
K0.1
NC NC
24 5
NC NC
25 4
NC WP
26 3
NC RESET
27 2
NC RDV
28 1
UTX2
R542
UTX1
NC
URX2
URX1
R541 NC
UGND
UVCC
EVC
IC521
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
VSS SDA
NC
L804
NC
Q701
NC
C827
LED721 NC
C828
C829
INUSE/MSG_LED
C830
C831
C832
C833
C834
C835
C836
NC
TXO
INUSE/MSG_LED
ANS_LED
CHG_LED
SEG12
SEG11
1 2
SEG10
3 4
SEG9
5 6
SEG8
7 8
SEG7
1 2
SEG6
3 4
SEG5
5 6
SEG4
7 8
SEG3
1 2
COM2
3 4
COM1
5 6
7 8
C512
K0.1
ED EC EW
INT1
LED722
CHG_LED
NC
LOCATOR
R721
4
NC
VBATT_2
DMOD1
C621
RXI
C623
C624
C625
100P
C626
100P
C627
100P
C628
C629
C630
C631
C632
C201
K0.01
R722 820
R724 820
R723 820
JTAG
RA501
4.7K
7 8
5 6
3 4
1 2
81 SEG11
82 SEG10
83 SEG9
84 SEG8
77:T_MODE_SEL
85 SEG7 IC501
78:T_D_IN
86 SEG6
79:T_D_OUT
87 SEG5 80:SEG12
88 SEG4
100-13/AGPIO_0-AGPIO_13
89 SEG3
16-27/EGPIO_4-EGPIO_15
90 COM2
56/BGPIO_0/CE0
91 COM1
59-61/BGPIO_3-BGPIO_5
92 UART_TX
67-70/BGOIO_11-BGPIO_14
93 UART_RX
74/CGPIO_0 , 79/CGPIO_10
94 NC(5.8GHz)
98-99/CGPIO_12-CGPIO_13
95 NC(5.8GHz)
80-95/DGPIO15-DGPIO_0
96 GND
1:INT0
97 VCC
2.RLY
98 NC
99 FLASH_SCK
CHG_SIG/INT1
100
INT0
R512
R513
R514
STB4 STB3
SW101 SW102 NC
STB2
3 3
2 4 2
STB1
1 1
NC
CDL KIN3
KIN2
TAM
KIN1
108
2.5V
RF VBATT2
1
2
3
C518
4
K470P
IC201
Q202
1
IO1 2
R202 - +
3
220K
4
GND
Q201
RST
BCK
R807
680
C800 K0.1
Q800
PDN
C805
2p
C804
13.824MHz X801
2p
C803 10µ
C807
NC
C806
VCCPLL 50
K0.1
GNDPLL 49
VCCR 48
RSSI 47
C801
VREFR 46
TXMOD 45
K1.0
C502
GNDR 44
MIP 43
MIN 42
VREF 41
HSMIN 40
HSMIP 39
C508
GNDA 38
NC
VCCA 37
LIN0 36
DCIN0 35
LOUT0 34
LGS
HSSOUT 33
VCCPA 32
SPN 31
GNDPA
C501
C741
C742
C743
C744
C745
NC
C746
NC
C747
NC
C748
NC
D351
NC
2AP_VCC
(1)
IC601
2.5VREG
8
(2)
Vout Vin
7
NC NC
6
GND NC
5
Cn Cont
W_VDD
VCC
8
(3)
VCC
7
W_GND
+ -
6
5
TP_RSSI
(4)
(5)
(6)
(7)
(8)
L800
(9)
NC
K1.0
C560
NC
(10)
(11)
(12)
R112
(13)
1K
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)