Panasonic KX-TCD450 Series - Page 90

38 SCHEMATIC DIAGRAM (HANDSET)
R51
3.3K
IC3
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
L1
47u
Q3
G
S
D
R16
0.3 1/3W
C5
K0.068
R15
180K
7
R
#
6 3
5
0
PROG
CANCEL
1
TALK
8
2
SP_PHONE
*
LEFT
C33 K0.1
C30
K0.1
C31
0.1
C32
K0.1
R14
0.1
F1
9
INT
BOOK
REDIAL
R67 100
R68 100
GND
SCLDL1
BATT
SDA
R13 10K
4
UP
DOWN
RIGHT
C52
K0.1
IC2
1
A11
2
A9
3
A8
4
A13
5
A14
6
A17
7
WR
8
VCC
9
A18
10
A16
11
A15
12
A12
13
A7
14
A6
15
A5
16
A4
17
A3
18
A2
19
A1
20
A0
21
D0
22
D1
23
D2
24
GND
25
D3
26
D4
27
D5
28
D6
29
D7
30
CE
31
A10
32
0E
C47 K0.068
C28 NC
C53
K0.1
470
R6
Red
LED17
NC
D21
TP5
C1
K0.1
Green
LED12
82
R43
Green LED11
Green LED13
Green
LED14
R23
15
R7
15
R22
15
R38 10K
R34 10K
R10 1.0K
R3 10K
R9
22K
R59 10K
R60 10K
C37
K0.01
DL2
R37 220K
C64
K0.22
C63
K0.22
C39
K0.22
C40
K0.22
R35
820K
R36
430K /1%
C46
K0.01
C42 K0.01
C43 K0.01
C44 K0.01
C45
K0.01
C2
K0.1
C16
K0.1
IC1
1 VDD
2 VSS 3 4 5 6 7 8 9 RXDSG
10 RXDA 11 SYEN 12 SYDA 13 SYCL 14 TXDA 15 PY.0 16 PY.1 17 PY.2 18 PY.3 19 PY.4 20 PAON 21 SYRI 22 VDD 23 VSS 24 ON 25 CDT
26DCDCDRV
27DCDCCMR
28RESETQ
29
VSSO
30LOAD
31
XTAL
32VDDPM
33VDDLQ
34VDDBAT
35VDDLR
36CHARGESTART(P0.2)
37VDDA
38VSSA
39HON
40HOP
41BREF
42MICS
43MICP
44MICN
45ADREF
46ADRSSI
47
HS-DET/ADBAT(P0.4)
48AD4N(P0.5)
49AD4P(P0.6)/DSPOUT
50P0.3/DSPIN
51PX.0 52PX.1 53PX.2 54A4 55A5 56A6 57PX.3 58PX.4 59A7 60A12 61VDD 62VSS 63SUPEEP 64I2DAT 65I2CLK 66MODE 67R2 68R1 69VBACK/P0.7 70A15 71
BSELO/A16
72
BSEL1/A17
73A14 74A13 75VDDLI
76 A8
77 A9
78 P1.0
79 P1.1
80 P1.2
81 A11
82 A10
83 VSS
84 VDD
85 CSROQ
86 P0.0/RXD
87 P0.1/TXD
88 NC
89 NC
90 OERAQ
91 WRRAQ
92 CSRAQ
93 BSEL2/A18
94 D7
95 D6
96 D5
97 D4
98 D3
99 D2
100
D1
TP3
Green
LED1
Green
LED2
Green
LED3
TP4
TP6
+4V
R11
56
C4
6.3V330
C9
6.3V330
Q11
Q5
Q1
Q7
J5
1RS
2CSB
3SI
4SCL
5VDD
6V4
7V3
8V2
9V1
10V0
11VR
12VOUT
13CAP2-
14CAP2+
15CAP1-
16CAP1+
17VSS
18
RESTEB
C48
NC
C50
NC
C69 NC
Q8
D16
INH/RS
CS/CE
DISCLK
DISDATA
VDD
ADR11
ADR09
ADR08
ADR13
ADR14
ADR17
ADR16
ADR15
ADR12
ADR07
ADR06
ADR05
ADR04
ADR00
ADR01
ADR02
ADR03
ADR10
DAT01
DAT02
DAT03
DAT04
DAT05
DAT06
DAT07
DAT00
ADR18
CE
OE
WR
VDD
VDD
VDD
DISCLK
RSSI
SYRI
PY.4
PY.0 PY.1 PY.2
RXDA SYEN SYDA
SYCL TXDA
ADR01 ADR02 ADR03
ADR18
DAT01
DAT02
DAT03
DAT04
DAT05
DAT06
DAT07
OE
WR
ADR11
ADR10
CE
ADR09 ADR08
ADR13 ADR14 ADR17 ADR16
ADR07
PX.4 PX.3
ADR06 ADR05 ADR04
PX.2 PX.1 PX.0
RXDSG
DAT00
DISDATA
PSEL
VDD
VDD
INH/RS
ADR15
ADR12
DRON
PY.3
ADR00
CS/CE
PY.0
PY.4
PY.2
PY.1
PX.3 PX.1 PX.2 PX.4 PX.0
PY.3
K5
K18 K17
K7
K19
K4
K16
K6K9
K2 K3
K8
K25
K13 K14 K15
K24K23K22
K12
K20
K11
K1
K21
LCD BACKLIGHT
BATTERY+
J1
BATTERY-
J2
CHARGE+
CHARGE-
J3
J4
D0 A0 A1 A2 A3 DRON
(1)
(2)
(3)
(4)
(5)
(10)
(11)
(12)
(6)
(7)
(8)
(9)
(13)
(26)
~
(27)
(30)
(31)
~
2.65V
0V
2.65V
0V
4V DC
2.4V
Frequency 324KHz
4.3V
0V
0V
2.65V
2.65V
0V
2.65V
0V
90
KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT