72
KX-PRL260/KX-PRL262/KX-PRD260/KX-PRD262/KX-PRLA20
14.3. Schematic Diagram (Handset_Main)
Ch
a
r
g
e Current
0.75V
0V
250mVp-p
When on Charge
1s
!
S
HORT
S
HORT
S
HORT
NR_LED
LCD_RE
S
ET
S
TB_D
CH
A
RGE_DET
CH
A
RGE_CTRL
S
TB_
A
LCD_C
S
S
TB_B
S
TB_C
B
A
TTER
Y
_ON
EEP_WP
B
A
TTER
Y
_ON
CH
A
RGE_CTRL
CH
A
RGE_DET
S
TB_C
S
TB_C
S
TB_D
S
TB_D
KIN_1
NR_LED
S
TB_B
S
TB_B
S
TB_
A
S
TB_
A
S
TB_F
S
OCp
LCD_LED0
S
TB_E
S
TB_E
S
TB_E
KE
Y
_LED
S
OCn
S
OCn
S
OCp
S
TB_F
KIN_4
KIN_3
KIN_
2
KIN_1
KE
Y
_LED
LCD_
S
ID
LCD_CD
LCD_LED0
LCD_RE
S
ET
LCD_LED1
LCD_C
S
LCD_CD
LCD_
S
CL
LCD_
S
ID
LCD_LED1
KIN_3
KIN_4
EEP_WP
KIN_
2
LCD_
S
CL
GND
R
6
1
1
k
R
6
0
NC
C
6
9
K0.1u
GND
+1.8
V
RF_T
X
n
RF_T
X
p
RF_R
X
n
RF_R
X
p
C44
K0.1u
R
2
0
F5
6k
GND
C43
D10p
C11
K0.1u
C13
K0.1u
GND
V
B
A
T
GND
GND
GND
GND
GND
+1.8
V
GND
V
B
A
T
+1.8
V
C45
K0.1u
GND
C40
K0.1u
C30
K1u
GND
A
R
2
3
1
k
GND
A
GND
GND
GND
C
6
K0.1u
1.8
V
Q
1
C3
6
J
39p
R
7
8
2
0
R9
30
k
Q
3
R
2
30
k
C19
K1000p
R
6
10
k
GND
C
22
K1u
C190
K0.1u
C8
66
K0.1u
*C3
2
NC
*R18
NC
R19
10
k
CHG+
CP3
V
GND
GND
C55
D10p
CP4
V
CP4
V
*R13
NC
*R1
2
NC
*R11
NC
*
Q
11
NC
GND
GND
*
Q
10
NC
Q6
GND
R15
1.5
k
CP4
V
GND
C41
K0.1u
GND
C5
K0.1u
S
OFT_C RIGHT
1
S
H
A
RP
4
5
6
2
7
S
P
3
UP
8
AS
T
DOWN
LEFT
T
A
LK
S
OFT_
A
0
9
ECO/R
C1
22
0u
6
.3
V
GND
*R10
NC
OFF
C191
K1u
C4
7
1u
C59
K1u
C5
2
K1u
C
2
9
K1u
C5
6
K1u
CHG+
R1
10
k
C1
2
K
2
.
2
u
J
T
A
G
Q
9
R
A
5
3.3
k
V
B
A
T
V
B
A
T
B
A
TT+
B
A
TT-
UT
X
UR
X
GND
*
Q
1
2
NC
Q2
Q
4
O
J
4
O
J
5
O
J6
CP3
V
CKM
CP4
V
POWER
R8 4.3
(3
2
1
6
)
S
TM
R
S
T
CHG_MON
R45
0.1
CHG+
CHG-
IC4
VJ
1 1
6
M
1 *C
S
2
DO/IO1
6
CLK
7
*HOLD/IO3
3 *WP/IO
2
8
V
CC
4 GND
5
DI/IO0
+1.8
V
CP3
V
GND
C9
2
K0.1u
C91
K0.1u
C93
K0.1u
CP4
V
+1.8
V
CP3
V
R
A2
5
6
0
V
B
A
T
V
B
A
T
NR
*LED1
*LED
2
*LED4
*LED3
*LED1
2
*LED
6
*LED5
LCD
4
GND
LCD
10
S
CL
LCD
5
V
DDI
LCD
8
C
SX
LCD
11
V
PNL
LCD
9
RE
SX
LCD
6
D/C
X
LCD
1
LEDK
2
LCD
2
LEDK1
LCD
7
S
D
A
LCD
3
LED
A
*C
2
NC
*C3
NC
IC1
3
RFP1
4
RFP0
5
REF_RE
S
6
AVS
_
X
T
A
L
7
X
T
A
L
2
8
X
T
A
L1
9
AV
D_
X
T
A
L
10
RF_
S
UPPL
Y
1
11
P
A
R
A
DET/P3_4
2
5
A
DC0/P3_3
26
A
DC1/INT0/P1_0
27
S
OCp
2
8
S
OCn
2
9
DC_
S
EN
S
E
30
DC_I
31
DC_CTRL
3
2
V
B
A
T
33
CH
A
RGE_CTRL
4
7
V
DD1
48
QS
PI_IO3
49
P
2
_
7
/B
X
T
A
L
50
P1_5/INT5/RDI/
V
DDE
51
QS
PI_
S
CK
5
2
P1_4/INT4/TDOD
53
P1_3/INT3/
S
IO
54
QS
PI_IO0
55
P1_
2
/INT
2
/
S
K
76
P
2
_
2
/PCM_CLK/CLK100
77
WLED_CUR_0
7
8
WLED_CUR_1
7
9
P
2
_1/ECZ
2
/PWM1/LED4
80
P
2
_0/ECZ1/PWM0/LED3
81
V
DD3
8
2
LDORF_CTRL
83
RFP0N
84
RF_
S
UPPL
Y2
1
RF_R
X
n
2
RF_R
X
p
1
2
RINGOUT/RINGING/P3_5
13
RINGn/P3_
6
14
RINGp/P3_
7
2
3
AV
D
2
4
LDO_CTRL
34
P1_
7
/CH
A
RGE
35
DP1/P
A
OUTp/P3_1
3
6
V
DD_P
A
45
CP_
V
OUT
2
4
6
PON/P1_
6
5
6
P1_1/INT1/LE
5
7
QS
PI_
V
DDIO
58
P
2
_
6
/WTF_IN
7
4 P
2
_4/
S
CL1/PCM_DO/DP3
7
5 P
2
_3/
S
D
A
1/PCM_DI/DP
2
85
RF_
S
UPPL
Y
_P
A
8
6
RF_T
X
n
8
7
RF_T
X
p
15
CIDINp/P3_
2
3
7
DP0/P
A
OUTn/P3_0
59
P0_
7
/
S
PI_DI/PWM1
88
RFP
2
89
GND
1
6
V
REFP
1
7
CIDINn/MICp
18
CIDOUT/MICn
19
MICH
2
0
V
REFM
2
1
L
S
Rp
22
L
S
Rn
38
CP_
V
B
A
T1
39
CP_C1
X
40
CP_C
2X
41
CP_C1
Y
4
2
CP_
V
B
A
T
2
43
CP_C
2Y
44
CP_
V
OUT1
6
0
QS
PI_IO
2
6
1
P0_
6
/
S
PI_DO
62
P0_5/
S
PI_CLK
6
3
QS
PI_C
S
6
4
P0_4/
S
PI_EN
6
5
P0_3/
S
CL
2
/UR
X2
66
QS
PI_IO1
67
P0_
2
/
S
D
A2
/UT
X2
6
8
P0_1/UR
X
/PWM0
6
9
P0_0/UT
X
7
0
V
DD
2
7
1 *R
S
T
72 J
T
A
G
7
3 P
2
_5/PCM_F
S
C/
S
F
R
2
4
8
2
0
R
2
5
8
2
0
*
X
1 10.3
6
8M
R
A
3
5
6
0
C99
NC
C98
NC
GND GND
GND GND
P1 1.1
A
C15
J
5
6
p
R
A
4
3.3
k
C85
J
5
6
p
GND
C94
22
0p
C4
6
B
2
.
7
p
IC3 3
2k
1
A
0
2 A
1
6
S
CL
7
WP
3
A2
8
V
CC
4
VSS
5
S
D
A
C53
K10u
TO RF BLOCK
To Ch
a
r
g
e
Ter
m
in
a
l
To B
a
ttery
(M
AX
500
mA
)
MIC_POWER
NR LED
DdEE
2
sO)
(U
S
= )
KE
Y
B/L LED
1.
77
inch TFT Colour LCD
(E
X
= )
(E
X
= )
(U
S
= )
White
Blue
White
Blue
(1)
(
2
)
(3)
(4)
(5)
(
6
)
GND GND
