Schematic Diagram (Handset) - Panasonic KX-TG7100BXS Service Manual

KX-TG7100BXS/KX-TG7100BXT/KX-TGA710CXS/KX-TGA710CXT

12.3. Schematic Diagram (Handset)

Charge Current
J1 F1
BATTERY+
5.6n
R47
J2
BATTERY-
0
R46
0
TP20
J3
L4
10u
CHARGE+
J4
L5
R8
10u 3
CHARGE-
2
1k
1
Q5
TP21
+2.5V
UTX
R61 1k
URX
R62 1k
GND
JTAG
R63 NC
25mVp-p
0.7V
0V
COL0
R97 39k
COL1
R98
39k
COL2
R99
39k
COL3
R100
39k
COL4
R101
39k
COL5
R102
39k
B
E E
C C
Q7
NC: No Components
3.3V
BAT
BATTERY +3.3V
L1
1 2
47u
D1
3
R2 68
1
2
Q1
D7
Q4
1 2
3
1
Q9
2
C
(When on charge)
1s
UTX
URX
+2.5V
+1.8V
JTAG
BK_LED
LCD_CSB
SK
SIO
LE
COL1
COL2
TD0
RDI
RSSI
C95 1u
C25 100n
RFCLK
C19 100n
L7 10
C24 100n
LCD_SI
LCD_SCL
LCD_RS
ROW2
+2.5V
C49
1n
B B
E
C
Q8
Q12
VDD3
2.5V
+2.5V
Q3
115kHz
(Talk Mode)
C32 100n
R16 180
C33 NC
1
LED1/PWM0/P20
2
LED2/PWM1/P21
3
SK
4
PD1/SIO
5
LE
6
P31/PD1
7
P32/PD2
8
TDO
9
RDI
10
RSSI
11
VSSRF
12
CAP
IC1
13
XTAL1
14
AVS BBIC
15
AVD_XTAL
16
VDDRF
17
RFCLKd
18
VDDIO1
19
VDD1
20
VSS1
21
TDOD/P27
22
SDA1/P25
23
SCL1/P24
24
VDDE/*INT5/P15
25
*INT2/P12
R95 820k
56
1.8V
VDD2
+1.8V
Q2
POWER
C38
R11
10n
1
39k
S1
75
LDO2_CTRL
74
LDO1_CTRL
73
VBAT1
72
VBATp/SOCp
71
MODE2
70
DC_Sense
69
DC_CTRL/P57
68
DC_I
C18
67
DC_STAB
66
*RST
65
P17/CHARGE/INT7
64
P56/PCM2_IN/DABx
63
P55/PCM2_DOUT/DABx
62
P54/PCM2_FSC/DABx
61
P53/PCM2_CLK/DABx
60
P23/ADC1
59
VDDIO3
58
P05/SPI1_CLK/PCM1_CLK :54
VDD3
57
P04/SCL2/URX2/SPI1_EN :53
VSS3
RESET
56
P03/SDA2/UTX2 :52
P07/SPI1_DI
55
P02/JTIO :51
P06/SPI1_DO
BELL_LED
54
53
52
JTAG
51
+2.5V
VDD1
(1)
(2)
(3)
(4)
(5)
2
LDO2_CTRL
LDO1_CTRL
ADC3
DC_CTL
DC_I
1n
CHARGE
C8
220n
(6)
C21
(7)
100n
(8)
(9)
(10)
(11)