Schematic Diagram (Handset_Main) - Panasonic KX-TG6841B Service Manual

KX-TG6841B/KX-TG6842B/KX-TG6843B/KX-TG6844B/KX-TG6845B/KX-TG6873B/KX-TGA680B

14.5. Schematic Diagram (Handset_Main)

!
Charge Current
BAT+ F1
2.5A
GND GND
BAT-
Battery
GND
Q10 R10 1.0
Q11
Battery_ON R13
Q12
10k
CHG+
GND GND
CHG+
CHARGE
Terminal
CHG-
GND GND GND
GND
VBAT
CP3V
VBAT
UTX
URX
GND
GND
GND
RIGHT DOWN UP
TALK
SP AST 7 4
NR 0 8 5 2
9 6 3
FLASH
SHARP
SOFT_C SOFT_A
LEFT
LCD BACKLIGHT
(WHITE)
NC: No Components
VBAT
GND GND GND GND
When on Charge
Q2
C27
1000p
R2
1s
30k
R8
4.3
Q3
Q4
Q9
GND GND
CHG_CTRL
CHG_DET
VBAT
CP4V
IC4
1 6
VOUT CP
2 5
GND VCC
3 4
SHD
CN
4.0V
Battery_ON
OFF
KIN_5
1
KIN_4
KIN_3
KIN_2
KIN_1
CP4V CP3V
CP4V
KEY BACKLIGHT
(AMBER)
GND
GND
Q6
GND
CHG_CUR
CP3V
C69
0.1u
RA5
8
3.3k VCC A0
EEP_WP
7
WP A1
32K
EEP_SCL
6
SCL A2
EEP_SDA
5
SDA VSS
IC3
CP3V
GND
TDI
TMS
CHG_CTRL
TCK
TDO
CHG_DET
GND_J
CP3V
RTCK
GND
EEP_SCL
67
GPIO[0]/SCL_IIC
EEP_SDA
68
GPIO[1]/SDA_IIC
UTX EEP_WP
69
GPIO[2]
URX 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]
GND
LCD_CD
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]
84
GPIO[16]
STB_A
85
GPIO[17]
86
VDDIO2
STB_B
87
GPIO[18]
URX
88
GPIO[19]
89
CP_OFF
GND
UTX
STB_C
STB_E
CP_OFF
KEY_LED
FLASH:1.8V / ROM:1.2V VDDC
1.2V
OTP
To B/W LCD Unit
GND
72
* Start Monitor
1
* When "SFR" command
2
3
is executed, 13.824MHz
4
frequency will be output.
GND
TO RF BLOCK
TXn
TXp
RXp
RXn
VDDC VBAT
C46 10p
C45 C43
K0.1u K0.1u
RSTN
GND
TXn
TRSW_n
ANT
VCC_FE
VDD_IF
VCC_IF
VDD_APU
VBAT_APU
XIN
XOUT
*IC1
DCINS
PWM0
DCX
PWM1
SPOUTP
[MASK]
VCCPA
SPOUTN
LOUT
HSSPOUTP
GND
MPWR
HSMIP
HSMIN
MIP
R24
10
C29
1u
GND
CP3V
3.0V
3.0V
GNDA
VBAT
VDDC
CHG+
CHG_CUR
CP3V
C91
K1u
16V
GND
44
43
42
C22 C25
41
K2.2u
40 k0.1u
C23
39
C26
0.1u
38
C24
37
10u
1u (1608)
36 (1)
35
(2)
34
(3)
33
32 (4)
31
(5)
30
C68
29
(6)
1u
28
(7)
27
(8)
26
GND
25
(9)
24
23
(10)
GNDA
(11)
GNDA
RA4
3.3k
GNDA GND
(12)
(13)
(14)