Schematic Diagram (Portable_Main) - Panasonic KX-TG6671B Service Manual

KX-TG6671B/KX-TG6672B/KX-TGA660B

14.6. Schematic Diagram (Portable_Main)

!
F1
BATT+
2.5A
GND
BATT-
To Battery
GND
IC6
1
5
CONT
Battery_ON
VIN
2
GND
GND
3 4
NP
VOUT
GND
GND GND
CHG+
CHG(+)
CHG+
To Charge
Terminal
CHG-
CHG(-)
GND GND GND GND
SOFT1 TALK OFF
UP
7 4
DOWN *
MENU 0 8 5
9 6
LEFT SHARP
SOFT2 SP FLASH
RIGHT
3.0V
4.0V
BELL LED
(Amber)
GND
GND GND GND
LCD_BACKLIGHT
(US:White)
Q5
GND GND
NC: No Components
Charge Current
GND GND GND GND
When on Charge
1s
Q2
C19
1000p
R2
30k
R8
3.3
Q3
Q4
Q9
GND GND
CHG_CTRL
CHG_DET
3.0V
UTX
URX
GND
GND
Battery_ON
VBAT
KIN_5
1
4.0V
KIN_4
4.0V *IC4
2
1
VOUT CP
KIN_3
3 2
GND VCC
3
KIN_2
SHD
CN
4.0V
KIN_1
4.0V 3.0V
+
WLED
-
*RA2
330
Q6
GND GND
VBAT VBAT
GND
GND GND
CHG_CUR
RA5
3.3k
E_WP
EEP_WP
E_SCL
EEP_SCL
E_SDA
EEP_SDA
* BBIC initialization
* When "SFR" command
is executed, 13.824MHz
frequency will be output.
3.0V
TDI
TMS
TCK
TDO
GND_J
3.0V
GND
RESET Hi-Z
CHG_CTRL
EEP_SCL 67
GPIO[0]/SCL_IIC
EEP_SDA
68
GPIO[1]/SDA_IIC
CHG_DET
EEP_WP
69
GPIO[2]
HEADSET_DET
70
GPIO[3]
STB_D 71
GPIO[4]
LCD_RESET 72
GPIO[5]
73
GPIO[6]
C40 k0.1u
LCD_SID
74
GPIO[7]
LCD_SCL
75
GPIO[8]
76
VDDIO1
LCD_CS 77
GPIO[9]
GND
LCD_CD 78
GPIO[10]
KIN_1
79
GPIO[11]
UTX
KIN_2
80
GPIO[12]
URX
KIN_3 81
GPIO[13]
KIN_4
82
GPIO[14]
KIN_5
83
GPIO[15]
84
GPIO[16]
C41
STB_A
85
GPIO[17]
GND 86
VDDIO2
STB_B
87
GPIO[18]
GND k0.1u
URX
88
GPIO[19]
89
GND
UTX
STB_C
STB_E
CP_OFF
BELL_LED
KEY_LED
FLASH:1.8V / ROM:1.2V
6
5
1.2V
4
CP_OFF
KEY BACKLIGHT
(US:Amber)
R501
NC
*RA3
330
76
3.0V
C172
0.1u
8 1
VCC A0
7 2
WP A1
32K
6 3
SOP
SCL A2
5 4
SDA VSS
IC3
GND
stand-by status
TXON
TXn
TXp
TO RF BLOCK
RXp
RXn
RXON
VDDC VBAT
GND
C46 10p
C43
K0.1u
K0.1u
RSTN
C45
GND
TRSW_n
VCC_FE
VDD_IF
VCC_IF
VDD_APU
VBAT_APU
XOUT
IC1
DCINS
PWM0
PWM1
SPOUTP
VCCPA
SPOUTN
LOUT
HSSPOUTP
GND
MPWR
HSMIP
HSMIN
VREF
R23
10
3.0V GNDA
VDDC 3.0V
VDDC VBAT
CHG+
CHG_CUR
3.0V
3.0V
R504
NC
C504
1u
GND
To B/W LCD Unit
VBAT
44
TXn
43
C22
42
ANT
k0.1u
41
C25 K2.2u
40
C23 0.1u
39
C26 10u
38
C24
37
1u
(1)
36
XIN
35 (2)
34
(3)
33
VBAT
(4)
32
31 (5)
30
C188
29 (6)
1u
28 (7)
(8)
27
26
GND
(9)
25
24
(10)
23
MIP
GNDA
(11)
GNDA
C7
NC
GNDA GND
(12)
(13)
(14)