Read Panasonic KX-TG7175RUS / KX-TGA717RUS Service Manual online
68
KX-TG7175RUS/KX-TGA717RUS
12.3. Schematic Diagram (Handset)
J1
J2
5.6n
F1
4.0V
330u
C1
47u
L1
D1
1
2
6.3V
330u
C2
100m
R45
1u
C34
Q1
1
3
2
100m
R1
Q3
1
3
2
Q2
1
3
2
BATTERY
+3.3V
VDD3
+2.5V
+1.8V
VDD2
VDD1
10u
L4
10u
L5
1
3
2
D7
Q4
1
2
Q5
2
3
1
D6
1 2
+2.5V
+1.8V
X1
1
2
3
5.6M
R19
INT
1 2
R
1 2
UTX
URX
GND
+2.5V
1u
C40
1u
C42
+2.5V
820k
R95
430k
R94
+2.5V
POWER
1u
C39
TP20
TP21
BAT
CN3
1
CN3
2
CN3
3
CN3
4
CN3
5
CN3
6
CN3
7
CN3
8
CN3
9
CN3
10
CN3
11
CN3
12
CN3
13
CN3
14
CN3
15
CN3
16
CN3
17
CN3
18
1u
C41
100n
C3
100n
C19
100n
C24
100n
C20
100n
C21
100n
C22
100n
C30
100n
C32
C36
NC
15p
C7
C8
220n
100p
C35
C91
NC
C92
NC
10n
C38
1n
C18
C49
NC
68
R2
470
R5
10k
R6
10k
R65
1k
R8
1k
R61
1k
R62
39k
R11
100
R13
J3
JTAG
59
LDO1_CTRL
61
61: P16/PON/INT6
63
LDO1_sense
65
AVD2
67
LSRp/REF
69
VREFm
71
AGND
73
VREFp
4
VSS1
75
P14/*INT4
6
LED2/PWM1/P21
77
P22/CLK100
8
LED_BIAS/P36/PD6
79
ADC3
10
SCL1/P24
12
*INT2/P12
14
AVS
16
Xtal1
18
RFCLKp
20
VDDRF
22
TDO
24
SK
26
LE
28
P32/PD2
30
PAOUTm
32
PAOUTp
34
P33/PD3
36
TDOD/P35/PD5
38
VDDIO2
40
40: PCM_FSC/*INT0/P10
42
P01/URX
44
P03/SDA2
46
P05/SPICLK/PCM_CLK
48
P07/SPIDI/PCM_DIN
50
VDD3
52
P17/CHARGE/INT7
54
DC_STAB
56
DC_CTRL
58
VBAT1
60
LDO2_CTRL
62
62: P26/STOP_CHARGE
64
AVS2
66
*LSR/REF
68
*MIC
70
VBUF
72
MICp
1
*INT1/P11
3
VDD1
74
P30
5
LED1/PWM0/P20
76
P13/*INT3
7
LED3
78
AVS_sense
9
SDA1/P25
80
ADC0
11
*INT5/VDDE/P15
13
AVD
15
CAP
17
VSSRF
19
RSSI/RFCLKm
21
RFCLKd
2
VDDIO1
23
RDI
25
PD1/SIO
27
P31/PD1
29
VSSPA1
31
VDDPA
33
VSSPA2
35
P34/PD4
37
VSS2
39
VDD2
41
P00/UTX
43
P02/JTIO
45
P04/SCL2
47
P06/SPIDO/PCM_DOUT
49
VSS3
51
P23/ADC1
53
*RST
55
DC_I
57
DC_Sense
J4
1
100n
C26
100n
C25
C94
NC
8p
C6
C4
NC
C9
NC
5.6k
R46
220k
R7
10k
R64
5.6k
R47
BATTERY
D8
2
1
1u
C15
3.3k
R15
1k
R16
L6
LED10
A
K
Q9
B
C
E
120
R92
C5
2.2u
C10
2.2u
C96
NC
C97
NC
C23
NC
10p
C98
UP
1 2
DOWN
1 2
RIGHT
1 2
LEFT
1 2
0
1
2
1
1 2
2
1
2
3
1
2
4
1 2
5
1
2
6
1 2
7
1 2
8
1
2
TALK
1 2
S1
1
2
R63 NC
1k
R66
C93
NC
9
1 2
R127 NC
NC
C137
R130
NC
R131
NC
CONF
SOFT_C
1 2
SOFT_B
1 2
SHARP
1
2
AST
1
2
SOFT_A
1 2
SP
1 2
CANCEL
1 2
10p
C90
10p
C138
Q8
B
C
E
Q7
B
C
E
R125
NC
10p
C89
330
R89
330
R90
330
RA1
1
2
3
45
6
7
8
LED6
A
K
LED7
A
K
LED8
A
K
LED9
A
K
LED1
A
K
LED11
A
K
LED5
A
K
LED12
A
K
LED2
A
K
LED3
A
K
LED4
A
K
100n
C45
100n
C46
100n
C47
100n
C43
100n
C44
10k
R14
10
R140
10
R141
10
R142
100
R137
100
R138
100
R132
100
R139
100
R133
100
R134
100
R135
100
R136
100p
C141
100p
C142
100p
C143
100p
C144
10n
C147
100n
C148
100p
C149
4.7
R12
330
R93
16
10n
C48
DC_I
ADC3
LDO1_CTRL
LDO2_CTRL
STOP_CHARGE
RESET
BELL_LED
UTX
URX
JTAG
ROW0
COL5
COL4
COL3
COL2
COL1
LE
SIO
SK
RDI
TD0
ADC3
AVS_sense
LCD_RESET
STOP_CHARGE
CHARGE
DC_CTL
DC_I
LDO2_CTRL
LDO1_CTRL
LDO1_CTRL
ROW2
LCD_RS
LCD_SCL
LCD_SI
LCD_CSB
ROW1
COL0
COL1
COL2
COL3
URX
JTAG
RSSI
COL5
ROW0
ROW1
ROW3
ROW2
COL4
CHARGE
DC_CTL
ROW3
RECIVER_AMP_CD
KEY_LED
COL0
UTX
KEY_LED
LCD_RESET
LCD_SI
LCD_CSB
LCD_RS
LCD_SCL
BELL_LED
HEADSET_DET
AVS_sense
RFCLK
IC1
BBIC
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(12)
(13)
(10)
(11)
NC: No Components
1s
(When on charge)
Charge Current
TX DATA
RX DATA
115kHz
(Talk Mode)
3.3V
2.5V
1.8V
0.7V
0V
25mVp-p
Click on the first or last page to see other KX-TG7175RUS / KX-TGA717RUS service manuals if exist.