Panasonic KX-TC1205RUF User Manual
27 SCHEMATIC DIAGRAM (Handset)
27.1. Handset
KX-TC1205RUB/W/S/F SCHEMATIC DIAGRAM (Handset)
TALK
RECHG
CHARGE DET
RX DATA
RESET
TALK LED
LOW LED
BACKLED
BUZ CNTL
ALERT
RX PWR
DATA
CLOCK
COL0
ROW1
ROW2
ROW3
ROW4
COL1
COL2
COL3
TX DATA
ROW5
ROW0
TES
T
XIN
XOU
T
VDD
CR-DET
ROW0
ROW5
ROW3
ROW2
ROW1
ROW1
ROW4
ROW5
ROW4
ROW3
ROW2
ROW1
ROW0
CHG+
CHG-
VBAT
TP
TP
TP
TP
TP
TP
TP
R111
1K
R0603
1K
R0603
R104
NA
R0603
NA
R0603
L7
120 OHM COIL SMD
R0805
X3
4.0 MHZ
XTAL\10
4.0 MHZ
XTAL\10
+
C63
100uF/10V
EC4\2.5
MINI
100uF/10V
EC4\2.5
MINI
R64
10K R0603
C68
NA
C0603
NA
C0603
C67
NA
C0603
NA
C0603
R56
2K2
R0603
2K2
R0603
R54
100K
R0603
100K
R0603
R74
100K
R0603
R84
1M
1M
R0603
C71
33P
C0603
C0603
R78
100K
R0603
R68
10K R0603
R70
2K2 R0603
R75
100K
R0603
R60
2K2 R0603
R62
2K2 R0603
R66
2K2 R0603
R57
3K3
R0603
R59
2K2 R0603
R55
39
R0603
39
R0603
BZ1
BZ
BZ12
BZ
BZ12
1
2
2
C74
473
C0603
C0603
R87
100K
R0603
100K
R0603
R86
100K
R0603
100K
R0603
R85
1K
R0603
1K
R0603
C69
104
C0603
104
C0603
C72
104
C0603
104
C0603
D1
D\362
D\362
ZD3
5V6 0.5W
ZD7.5
5V6 0.5W
ZD7.5
R65
330
R0603
R76
100K
R0603
R63
10K R0603
R67
2K2 R0603
R61
330
R0603
R72
1M
R0603
1M
R0603
R80
NA
R0603
R0603
R58
47
R0603
C70
33P
C0603
C0603
LED5
GREEN
LED\SQ
LED\SQ
LED6
RED
LEC\SQ
LEC\SQ
R83
0
0
R0603
R71
NA
R0603
NA
R0603
R73
NA
R0603
NA
R0603
R81
1M
R0603
1M
R0603
Q7
STO-23
STO-23
BATT1
3V6/300mA
CNT2P\2.5
3V6/300mA
CNT2P\2.5
1
2
C73
104
C0603
104
C0603
Q11
SOT-23
SOT-23
R79
1M
R0603
1M
R0603
R77
10K R0603
LED1
GREEN
LED\SQ
LED\SQ
LED2 LED3
GREEN
LED\SQ
LED\SQ
GREEN
LED\SQ
LED\SQ
LED4
GREEN
LED\SQ
GREEN
LED\SQ
L5
12uH
L7.5
12uH
L7.5
Q9
SOT-23
SOT-23
K6
PAUSE
1
2
K9
0
1
2
K12
8
1
2
K18
2
1
2
K2
FLASH
1
2
IC2
QFP-44P
32
31
30
29
31
30
29
27
26
25
24
26
25
24
1
2
3
4
5
6
7
8
9
10
11
2
3
4
5
6
7
8
9
10
11
28
33
12
13
14
15
16
17
18
19
20
21
22
23
34
35
36
37
38
39
40
41
42
43
44
P13
P12
P11
P10
P12
P11
P10
P50
P67
P66
P65
P67
P66
P65
P73
P72
P71
P70
P07
P06
P05
P04
P03
P02
P01
P72
P71
P70
P07
P06
P05
P04
P03
P02
P01
P51
P14
P00
TEST
RESET
XIN
XOUT
VSS
NC
P60
P61
P62
P63
P64
P15
P16
P17
P20
XTIN
XTOUT
VDD
P77
P76
P75
P74
K15
5
1
2
K7
CH
1
2
K10 #
1
2
K13 9
1
2
K16 6
1
2
K19 3
1
2
K4
REDIAL
KP\RO\4.5C
1
2
K1
RINGER
1
2
K22 DIRT
1
2
K21
AUTO
1
2
K20
TALK
1
2
K3
LOUD
1
2
K5
PROG
1
2
K8
*
1
2
K11
7
1
2
K14
4
1
2
K17
1
1
2
X2
32.768KHz
XTAL\2R
32.768KHz
XTAL\2R
C65
15P
C0603
15P
C0603
C66
15P
C0603
15P
C0603
L3
12uH
L4
C64
103
C0603
103
C0603
L4
12u
12u
H
L7.5
L2
12uH
L4
12uH
L4
R53
82
R0603
82
R0603
Q8
SOT-23
SOT-23
R82
0
R0603
R69
2K2 R0603
R105
10K R0603
R112 1K
R0603
D3
D\362
D\362
ZD1
10V 0.5W
D\362
D\362
C86
104
C0603
104
C0603
D2
D\362
D\362
C84
102
C0603
102
C0603
RX DATA
RF-CLK
RF-DATA
RSSI
VOL1
VOL2
TX DATA
VTX
RF-STB
R91(LOW BATT)
3.9V
0V
0V
0V
3.9V
3.9V
0V
3.9V to 0V
While charging
While charging
0V to 5V
While charging
While charging
2Vp-p
4MHz
3.5Vp-p
32.768kHz
KX-
TC120
5RUB
/
KX-TC
1205R
U
W
/
/
KX-TC
1205R
US
/
KX-
TC120
5RUF
62