Schematic Diagram (Handset_Main) - Panasonic KX-WT115CE Service Manual

KX-WT115CE

13.2. Schematic Diagram (Handset_Main)

Charge Current
F1
BATT+
2.5A
BATT-
To Battery
GND
CHG(+)
L4
CHG+
NC
To Charge
Terminal
GND
L5
CHG-
NC
CHG(-)
GND GND GND
GND
3.0V
GND
TDI
TMS
TCK
TDO
GND_J
GND
UTX
URX
GND
GND
(When LCD backlit on)
UP SOFT1
DOWN * 7
MENU 0 8
LEFT SHARP 9
RIGHT SOFT2
4.0V 3.0V
BELL LED
(Amber)
GND
Q5
GND GND
GND
NC: No Components
When on Charge
GND GND GND
1s
R2
NC
Q4
Q9
GND GND GND
R7
100k
GND GND
Q20
NC
GND
3.0V
4.0V
4.0V
GND
4.0 V
VBAT
C54
R55
NC
4.0V
TALK OFF
Q51
KIN_5
C52
4 1
NC
KIN_4
NC
5 2
Q52
KIN_3
R56 NC
6 3
TE
C55 NC
KIN_2
NC
SP FLASH
Q53
KIN_1
4.0V
LCD_BACKLIGHT
(Amber)
LCD_BACKLIGHT
(White)
+
WLED
-
GND
GND
Q8 NC
R71
NC
GND GND GND
VBAT VBAT
GND
CHG_CUR
EEP_WP
EEP_SCL
EEP_SDA
CHG_CTRL
CHG_CTRL
RESET
CHG_DET
CHG_DET
* Start Monitor
* When "SFR" command
IC2
VBAT
is executed, 13.824MHz
4.0V
NC
frequency will be output.
2 VIN 3
VSS
1 VOUT 4
NC
GND
EEP_SCL
UTX
EEP_SDA
URX
EEP_WP
HEADSET_DET
VBAT
LCD_VDD
LCD_RESET
*IC4
LCD_SID
1
6 LCD_SCL
VOUT CP
2
5 LCD_CS
GND
VCC
LCD_CD
3
4
KIN_1
SHD CN
KIN_2
KIN_3
4.0V
KIN_4
KIN_5
CP_OFF
STB_A
STB_B
URX
White LED
UTX
STB_C
NC
STB_D
NC STB_E
CP_OFF
BELL_LED
KEY_LED
CP_CTRL
R51
NC
CP_CTRL
Q50
NC
R52
NC
GND
CP_OFF
GND
GND
4.0V 3.0V
KEY BACKLIGHT
(Amber)
LITE-ON
*RA1 *RA2 *RA3
NC 330 330
Q6
GND GND
52
VBAT 3.0V
3.0V
C172
R44
0.1u
NC
Q40
RA5 8
VCC
NC 10k
E_WP
7
*WC
E_SCL 128K
6
SCL
R43 0
E_SDA
5
SDA
EEP_SCL
IC3
Hi-Z
TXON
TXn
TXp
TO RF BLOCK
RXp
RXn
RXON
VDDC VBAT
3.0V
C45 C43 C46 10p
K0.1u K0.1u
RSTN
GPIO[0]
67
/SCL_IIC
68
GPIO[1]/SDA_IIC
69
GPIO[2]
70
GPIO[3]
71
GPIO[4]
72
GPIO[5]
73
GPIO[6]
74
GPIO[7]
75
GPIO[8]
C40 76
VDDIO1
77
GPIO[9]
*IC1
GND k0.1u 78
GPIO[10]
79
GPIO[11]
80
GPIO[12]
81
GPIO[13]
82
GPIO[14]
83
GPIO[15]
84
IO16 GPIO[16]
85 GND
GPIO[17]
86
C41
VDDIO2
87
k0.1u
GPIO[18]
88
GND
GPIO[19]
89
GND
GND
VDDC
FLASH:1.8V / ROM:1.2V
VDDC
GND
GND GND
1.8 V
3.0 V
R501
NC
To B/W LCD Unit
1
NC1
2
NC2
3
NC3
4
VSS
GND
GND
VBAT
44
TXn
43
TRSW_n
42
ANT
C22
41
VCC_FE
40 k0.1u
(1)
VDD_IF
C23
39
VCC_IF
0.1u
38
VDD_APU (2)
C24
37
VBAT_APU
1u
36
(3)
XIN
35
(4)
XOUT
34
(5)
DCINS
VBAT
33
(6)
PWM0
32
(7)
PWM1
R152
31
(8)
SPOUTP
0
30
VCCPA
C188
29
(9)
SPOUTN
1u
28
(10)
LOUT
27
(11)
HSSPOUTP
26
MPWR
GND
25
(12)
HSMIP
24
(13)
HSMIN
23
MIP
VREF
VBG R23
(14)
10
GNDA
C7
GNDA
3.0V NC
3.0V
VBAT
GND
(15)
(16)
GND GND
(17)
3.0V
R504
NC
C504
K1.0
16V
GND