Schematic Diagram (Handset); Handset - Panasonic KX-TC1205RUB Service Manual

27 SCHEMATIC DIAGRAM (Handset)

27.1. Handset

R71 R72 R73
NA 1M NA
R0603 R0603 R0603
R79 R80 R81
1M NA 1M
R0603 R0603 R0603
TP
CHG+
L4
H
12u
D1
L7.5
D\362
C86
104
C0603
ZD3
Q9
5V6 0.5W
ZD1 SOT-23
ZD7.5
10V 0.5W
D\362
VBAT
TP TP
TP
CHG-
L5
12uH
L7.5
0V 3.9V
BATT1
3V6/300mA
CNT2P\2.5
C63
100uF/10V
EC4\2.5
MINI
32.768kHz
R112 1K R0603
TX DATA
ROW5
R59
ROW4 R60
ROW3 R62
ROW2 R66
ROW1 R67
ROW0
R69
0V to 5V
While charging
R77
RSSI
0V
0V
3.9V
C69
104
C0603
R85
1K R86
R0603 100K
R0603 C72 R87
104 100K
C0603 R0603
C73
104
C0603
C74
473
C0603
L2
12uH
C64 L4
103 C65
C0603 15P
C0603
C67 C68
C66 X2 NA NA
15P 32.768KHz C0603 C0603
C0603 XTAL\2R
3.5Vp-p
R57
R58
2K2 R0603
2K2 R0603
R105 10K R0603
2K2 R0603
33 1
P14 P73
32 2
P13 P72
2K2 R0603
31 3
P12 P71
2K2 R0603 30 4
P11 P70
3.9V
2K2 R0603 29 5
P10 P07
28 6
IC2
P51 P06
27 7
P50 P05
26 8
P67 QFP-44P P04
25 9
P66 P03
24 10
P65 P02
10K R0603
23 11
P64 P01
4MHz
R91(LOW BATT)
R82 0
R83 X3
R0603
0 4.0 MHZ
R0603 XTAL\10
0V
R84
1M
R0603
C70 C71
33P 33P
R104
C0603 C0603
NA L3
R0603 12uH
L4
3.9V to 0V
While charging
Q11
R111
SOT-23 1K
R0603
R54
R55
100K 39
R0603
R0603
Q7
STO-23
C84 LED1
102 GREEN
C0603 LED\SQ
TP
R56
2K2 LED2 LED3
1
R0603 GREEN
2
3K3 R0603 LED\SQ
BZ1
47 R0603 BZ
BZ12
VOL1
D2 Q8
D\362 SOT-23
VOL2
D3
D\362
RF-STB
R63 10K R0603
RF-DATA
R64 10K R0603
RF-CLK
VTX
R68 10K R0603
RX DATA
R70 2K2 R0603
2Vp-p
K1 RINGER K2 FLASH K3 LOUD
1 2 1 2 1 2
K5 PROG K6 PAUSE K7 CH
1 2 1 2 1 2
ROW5
K8 * K9 0 K10 #
1 2 1 2 1 2
ROW4
K11 7 K12 8 K13 9
1 2 1 2 1 2
ROW3
K14 4 K15 5 K16 6
1 2 1 2 1 2
ROW2 TP TP
K17 1 K18 2 K19 3
1 2 1 2 1 2
ROW1
K20 TALK K21 AUTO K22 DIRT
1 2 1 2 1 2
ROW0
L7 120 OHM COIL SMD R0805
KX-TC1205RUB/W/S/F SCHEMATIC DIAGRAM (Handset)
R53
82
R0603
LED4
GREEN
LED\SQ
GREEN
LED\SQ
TALK
R61 330
LED5
GREEN
R0603
LED\SQ
RECHG
R65 330
LED6
RED
R0603
LEC\SQ
R74 100K R0603
R75 100K R0603
R76 100K R0603
R78 100K R0603
K4 REDIAL
1 2
KP\RO\4.5C