Schematic Diagram (Handset_Main) - Panasonic KX-TG6572C Service Manual

KX-TG6572C/KX-TG6572R/KX-TGA653C/KX-TGA653R

14.4. 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
GND
3.0V
GND
TDI
TMS
TCK
TDO
GND_J
GND
UTX
URX
GND
GND
(When LCD backlit on)
UP SOFT1 TALK
DOWN * 7 4
MENU 0 8 5
LEFT SHARP 9 6
RIGHT SOFT2 SP
4.0V 3.0V
BELL LED
(Amber)
GND
GND
Q5
GND GND
GND
NC: No Components
When on Charge
GND GND GND
1s
R2
NC
Q4
Q9
GND GND CHG_CTRL
R7
100k
IC2
VBAT
GND GND
2 VIN
Q20
NC
1 VOUT
GND
3.0V
4.0V
*IC4
4.0V
GND
1
VOUT
2
GND
3
SHD
4.0V
NC
VBAT
C54 NC
R55 NC
NC
4.0V
OFF
Q51
KIN_5
C52
1
NC
KIN_4
NC
2
Q52
KIN_3
R56 NC
3
TE
C55 NC
KIN_2
NC
FLASH
Q53
KIN_1
GND
4.0V
LCD_BACKLIGHT
(Amber)
LCD_BACKLIGHT
(White)
+
WLED
-
GND
Q8 NC
R71
NC
GND
GND GND GND
VBAT VBAT
GND
CHG_CUR
R44
NC
Q40
NC
EEP_WP
EEP_SCL
R43 0
EEP_SDA
EEP_SCL
CHG_CTRL
RESET Hi-Z
CHG_DET
CHG_DET
* Start Monitor
* When "SFR" command
is executed, 13.824MHz
4.0V
NC
frequency will be output.
3
VSS
4
3.0V
NC
GND
EEP_SCL
UTX
EEP_SDA
URX
EEP_WP
HEADSET_DET
VBAT
LCD_VDD
LCD_RESET
LCD_SID
6 LCD_SCL
CP
C40
5 LCD_CS
VCC
k0.1u
LCD_CD GND
4 KIN_1
CN
KIN_2
KIN_3
KIN_4
KIN_5
CP_OFF
IO16
STB_A
C41
STB_B k0.1u
GND
URX
White LED
GND
UTX
STB_C
STB_D
STB_E
CP_OFF
BELL_LED
KEY_LED
FLASH:1.8V / ROM:1.2V
CP_CTRL
R51
NC
CP_CTRL
Q50
NC
R52
GND
NC
GND
CP_OFF
GND
4.0V 3.0V
KEY BACKLIGHT
(Amber)
LITE-ON
*RA1 *RA2 *RA3
220 NC NC
Q6
GND
70
VBAT 3.0V
3.0V
C172
0.1u
RA5 8 1
VCC NC1
10k
E_WP
7 2
*WC NC2
E_SCL
6 3
16K
SCL NC3
E_SDA
5 4
SDA VSS
IC3
GND
TXON
TXn
TXp
TO RF BLOCK
RXp
RXn
RXON
VDDC VBAT
C45 C46 10p
C43
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]
76
VDDIO1
77
GPIO[9]
*IC1
78
GPIO[10]
79
GPIO[11]
80
GPIO[12]
81
GPIO[13]
82
GPIO[14]
83
GPIO[15]
84
GPIO[16] HSSPOUTP
85 GND
GPIO[17]
86
VDDIO2
87
GPIO[18]
88
GPIO[19]
89
VBG
R23
10
GND
VDDC
3.0V
3.0V
VBAT
VDDC
GND GND
1.2V
3.0V
GND GND
3.0V
R504
NC
R501 C504
NC K1.0
16V
GND
To B/W LCD Unit
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
(2)
VDD_APU
C24
37
VBAT_APU
1u
36
(3)
XIN
35
(4)
XOUT
34
DCINS (5)
33 VBAT
(6)
PWM0
32
(7)
PWM1
R152
31
(8)
SPOUTP
0
30
VCCPA
C188
29
(9)
SPOUTN
1u
28
(10)
LOUT
27
(11)
26
MPWR
GND
25
(12)
HSMIP
24
(13)
HSMIN
23
MIP
VREF
(14)
GNDA
C7
GNDA
NC
GND
(15)
(16)
(17)