IC2
(7725:R33 N.M./R52 0ohm)
(7795:R33 1K/R52 N.M.)
1
VDD
2
VSS
3
DRON
4
RXDSG
5
RXDA
6
SYEN
7
SYDA
8
SYCL
9
TXDA
10
PAON
11
SYRI
12
VDD
13
VSS
14
RESETQ
15
VDDPM
16
VSSO
17
LOAD
18
XTAL
19
VDDLR
20
LRB
21
VDDA
22
VSSA
23
AON
24
AOP
25
BREF
26
DLP
27
DLN
28
AIN
29
ADREF
30
ADRSSI
31
AD2(MPCINP)
32
AD3
33 PX.0
34 PX.1
35 PX.2
36 PX.3
37 VDD
38 VSS
39 SUPEEP
40 I2DAT
41 I2CLK
42 MODE
43 R2
44 R1
45
45:VBACK/P1.5
46
46:VSS(DSPCLK)
47
47:P1.4(TONE)
48 VDD
49
DSPIN/P1.0
50
DSPOUT/P1.1
51
DSPCLK/P1.2
52
DSPFRM/P1.3
53
VSS
54
VDD
55
P0.0
56
P0.1
57
P0.2
58
P0.3
59
P0.4
60
P0.5
61
P0.6
62
P0.7
63
ANT1
64
ANT2
Q8
C32
J27P
C33
C1P
C25
6.3V10
C24
K0.1
C23
K0.1
C37
K0.1
C36
K0.1
C34
K0.1
C30
K1800P
C29
K0.068
C28
K0.068
C26
K0.1
C27
K0.1
C38
K0.1
C35
K0.033
R33
NC
R36
0
C43
D10P
R35
NC
K0.47
C12
3.9K
R18
50V10
C15
NC
C9
Q7
NC
NC
R15
NC
R27
D10P
C21
NC
R17
NC
R24
100
R31
NC
R13
K0.1
C20
C8
NC
D3
22
R19
TP97
C17
NC
390
R25
Q4
NC
750
R28
33K
R22
K0.22
C14
K4700P
C11
56
R20
TP50
NC
R11
Q6
13K
R16
C10
NC
NC
R26
100K
R21
R12
0
56
R23
K1.0
C13
NC
R14
K0.15
C16
56
R32
K0.22
C22
R38
33
+2.65V
J101
1
J102
1
J103
1
R52
0
IC3
5 RSSI
6 VCC_OC
7 G ND
8 SYCL
9 SYDA
10 SYEN
11 GND
12
RXDSG
13
SYRI
14
GND
15
GND
16
GND
17
GND
18
GND
19
GND
20
RXDA
21
GND
22
GND
23
GND
24
PSEL
25
PAON
26
GND
27
VCC_PA
28
GND
29
GND
30
GND
31
GND
32
GND
33
RF1
34
GND
GND
1
GND
2
GND
3
TXDA
4
NC
R56
NC
R55
NC
C51
VBACK
VBACK
+2.65V
R57
10K
L1
4.7u
C48
J33P
J104
1
J105
1
+2.65V
R58
10K
+2.65V
C53
NC
R66
39
C57
C3P
R67
39
C55
D10P
A201
1
DA1
C58
C2P
C54
C6P
A202
1
C56
D10P
C68
NC
TP187
TP188
X1
10.368MHz
TP82
S1
NC
3
4
2
1
TP1
C70
NC
C71
NC
L3
33n
C69
C2P
C72
C2P
R78
180
R79
180
ANT
Q5
NC
C66
C2P
C67
K4.7
C73
D10P
D5
C75
C2P
C78
D10P
C76
C6P
0
C80
NC
D6
C79
NC
R86
0
R88
0
R87
0
C86
0
C81
NC
C82
NC
C85
NC
C87
NC
C84
NC
C83
NC
NC
’SDA’
’SCL’
(14)
(15)
(10)
(11)
(12)
(13)
(3)
(4)
(5)
(6)
(2)
(1)
(7)
(8)
(9)
OV ON-HOOK
DC OFF-HOOK
+9.8V
OV ON-HOOK
DC OFF-HOOK
+3.9V
RX-AF
TX-AF
+2.65V DC
1V
FREQ 10.368MHZ
TX-DATA
10.368MHZ burst
406 s
peak
+3.1V
428 s
RX-DATA
KX-TCD400GC/GF SCHEMATIC DIAGRAM (BASE UNIT)
Summary of Contents for KX-A140EXC
Page 46: ...18 FREQUENCY TABLE MHz 46 ...
Page 52: ...24 CPU DATA BASE UNIT 24 1 IC2 BBIC 52 ...
Page 56: ...45 MICP A I 56 ...
Page 60: ...60 ...
Page 61: ...28 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 29 ACCESSORIES AND PACKING MATERIALS 61 ...
Page 62: ...30 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 30 1 Base Unit 30 2 Handset 62 ...
Page 91: ...4 1 5 8 PbF 1 28 18 IC3 IC2 IC1 11 64 1 16 17 32 49 48 33 Marked ...
Page 93: ...Marked PbF IC1 IC2 100 80 5 8 4 1 50 51 30 31 1 11 18 1 28 IC3 ...