Schematic Diagram (Handset) - Panasonic KX-TCD300FXS Service Manual

KX-TCD300FXS / KX-TCD300FXT / KX-TCA130FXS / KX-TCA130FXT

39 SCHEMATIC DIAGRAM (HANDSET)

Charge Current
BATTERY+ 1
J1
BATTERY- 1
J2
TP20
L4
CHARGE+
1
10uH
J3
L5
CHARGE- 1
10uH
J4
TP21
+2.5V
R20
1K
(1005)
R21
1K
(1005)
R60
1K
+2.5V
KEY BACKLIGHT
Q17
NC : No Components
BATTERY
BAT
F1
5.6nH
R47 5.6K
AVS_sense
R46 5.6K
Q4 D7
(When on charge)
Q9
R72
1S
1K
Q5
COL7
COL6
COL5
UTX
COL4
URX
COL3
COL2
JTAG
COL1
COL0
P3[6]
Q18
P3[7]
A16
1
A15
A15
2
A14
A14
3
A13
A13
4
A12
A12
5
A11
A11
6
A10
A10
7
A9
A9
8
A8
9
NC
10
NC
WR
11
WE
12
NC
13
NC
14
NC
15
NC
A19
16
NC
A18
17
A17
A8
18
A7
A7
19
A6
A6
20
A5
A5
21
A4
A4
22 A3
A3
23 A2
A2
24 A1
3.0V (Talk)
3.3V (Stand-by)
+3.65V TP10
D1
L1
47uH
Q1
D
R57
G
68
S
Q19
115kHz (TALK mode)
SIO
SK
P3[6]
RD
WR
UTX
URX
JTAG
COL4
COL3
COL2
COL1
COL0
ROW2
ROW1
CE_FLASH
CS_LCD
ROW0
+2.5V
C102
IC11
K1.0
A17
48
A16
47
NC
46
VSS
IC10
DQ15
45
DQ15
DQ7
44
DQ7 1
DQ14
43 A0
DQ14
DQ6
42
DQ6 2
DQ13
41 A1
DQ13
DQ5
40
DQ5 3
DQ12
39 A2
DQ12
DQ4
38
DQ4 4
37 VSS
VDD
DQ11
36
DQ11
64K EEPROM
DQ3
35
DQ3
34 DQ10
DQ10
33 DQ2
DQ2
32 DQ9
DQ9
31 DQ1
DQ1
DQ8
30
DQ8
DQ0
29
DQ0
28
OE
27
VSS RD
CE_FLASH
26
CE
A1
25
A0
108
D9
R82
(1005)
R81
39
+2.5V
TP11
Q3
R137
10K
(1005)
C19
K0.1
VDDE
+2.5V
8
VCC
7
WP
6
SCL
5
SDA
10
+1.8V
TP12
Q2
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)