Schematic Diagram (Handset_Main) - Panasonic KX-TGE240B Service Manual

KX-TGE240/242/243/244/245/260/262/263/264/270/272/273/274/275/TG454/TG465/TGEA20/TGA20

14.5. Schematic Diagram (Handset_Main)

!
BAT+
F1
2.5A
Battery
GND
BAT-
GND
Battery_ON
CHG+
CHG+
CHARGE
Terminal
CHG-
GND GND GND
VBAT
VBAT
UTX
URX
GND
GND
RIGHT DOWN
SP
AST
0
FLASH
NR
SHARP
LEFT SOFT_C
CP3V
BELL LED LCD BACKLIGHT
(AMBER) (WHITE)
Q5
GND GND
NC: No Components
Charge Current
*Q10
*R10 1.0
*Q12
Q2
*R13
*Q11
10k
C27
1000p
R2
30k
GND GND
R8
4.3
Q3
Q4
GND
Q9
GND
GND
CP4V
1
VOUT
2
GND
3
SHD
VBAT
CP3V
*Q13
*R16
NC
NC
(POWER)
UP
TALK OFF
KIN_5
7 4 1
KIN_4
8 5 2
KIN_3
9 6 3
KIN_2
SOFT_A
VOL_DW VOL_UP
RE2
RE2
KIN_1
CP4V CP4V CP3V
GND
Q7 Q6
NC
GND GND
VBAT
GND GND GND
CHG_CUR
When on Charge
1s
CHG_CTRL CHG_CTRL
CHG_DET CHG_DET
UTX
URX
VBAT
IC4
6
CP
5
VCC
4
CN
CP_OFF
CHG_DET
Battery_ON
CP4V
KEY BACKLIGHT NR LED
(AMBER) (AMBER)
Q8
GND GND
82
CP3V
C69 0.1u
RA5
3.3k 8
VCC
EEP_WP
7
WP IC3
EEP_SCL
6
SCL
EEP_SDA
5
SDA
* Start Monitor
* When "SFR" command
CP3V
is executed, 13.824MHz
frequency will be output.
RA1
10k
GND
TDI
TMS
TCK
TDO
GND_J
CP3V
RTCK
GND
EEP_SCL
67
GPIO[0]/SCL_IIC
EEP_SDA
68
GPIO[1]/SDA_IIC
EEP_WP
69
GPIO[2]
HEADSET_DET
70
GPIO[3]
STB_D
71
GPIO[4]
LCD_RESET
72
GPIO[5]
73
GPIO[6]
LCD_SID
74
GPIO[7]
LCD_SCL
75
GPIO[8]
C40
76
VDDIO1
LCD_CS
k0.1u 77
GPIO[9]
LCD_CD GND
78
GPIO[10]
KIN_1
79
GPIO[11]
KIN_2
80
GPIO[12]
KIN_3
81
GPIO[13]
KIN_4
82
GPIO[14]
KIN_5
83
GPIO[15]
STB_E
84
GPIO[16]
STB_A
85
GPIO[17]
*D30
*R18 86
NC
VDDIO2
STB_B NC *C19 NC
87
GPIO[18]
URX
88
GPIO[19]
89
GND
GND
UTX
STB_C
CP_OFF
NR_LED
BELL_LED
KEY_LED
3.0V
VDDC
FLASH:1.8V / ROM:1.2V
1.2V
CP3V
B/W LCD Unit
GND
(1)
(2)
1
A0
2
A1
3
A2
4
VSS
GND
VDDC VBAT
C46 10p
C45 C43
K0.1u
K0.1u
RSTN
*IC1
(3)
R24
10
C29
1u
GND
CP3V
3.0V
CHG+
CHG_CUR
(4)
CP3V
GND