Panasonic KX-TGA915EXS Service Manual ▷ View online
33
KX-TGA915EXS
13 Schematic Diagram
13.1. For Schematic Diagram
13.1.1. USB Adaptor (Schematic Diagram)
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
2. The schematic diagram may be modified at any time with the development of new technology.
34
KX-TGA915EXS
13.2. Schematic Diagram
+3.2V
10 1u C2
27
R3
27
R4
Q2
1
3
2
10 1u C4
100k
R8
15k
R26
+1.8V
+5.0V
1M R31
100k
R32
100k
R33
100k
R35
10
1u
C1
1M
R39
100k
R40
100k
R41
100k
R34
10
100n
C20
10
220n
C21
CN2
1
2
3
4
2
3
4
56
G1
*OE
G2
DQ9
G3
DQ11
G4
VCC
G5
DQ13
G6
DQ15/A-1
H1
VSS1
H2
DQ1
H3
DQ3
H4
DQ4
H5
DQ6
H6
VSS2
A1
A3
A2
A7
A3
RY/*BY
A4
*WE
A5
A9
A6
A13
B1
A4
B2
A17
B3
NC1
B4
*RESET
B5
A8
B6
A12
C1
A2
C2
A6
C3
A18
C4
NC2
C5
A10
C6
A14
D1
A1
D2
A5
D3
NC3
D4
NC4
D5
A11
D6
A15
E1
A0
E2
DQ0
E3
DQ2
E4
DQ5
E5
DQ7
E6
A16
F1
*CE
F2
DQ8
F3
DQ10
F4
DQ12
F5
DQ14
F6
*BYTE
3
VOUT
1
VSS
2
VIN
10k
R52
1.5k
R5
100k
R55
10 NC C41
D2
1
2
B
1
A
2
GND
3
VCC
5
Y
4
10
100n
C43
100k
R56
Q10
2
3
1
2.2k
R57
100k
R38
+5.0V
D+
D-
+3.2V
+1.8V
C37
100p
10
6.3
22u
C51
RST
6.3
10u
C3
A3
AD1
A4
AD3
A5
GND1
A6
AD4
A7
AD6
A8
*DREQ0
A9
NC2
B1
D+
B2
NC3
B8
NC5
B9
DACK0
C1
VCC2
C2
D-
C8
A1
C9
A0
D1
GND2
D2
TEST1
D8
A3
F1
*CS
F2
XOUT
F8
A6
F9
A5
G1
*WR
G2
*RD
G8
ADSEL
G9
*DREQ1
H1
*RESET
H7
D10
H8
NC10
H9
ALE/PUCTL
J1
NC11
J2
*INTR
J3
D14
J4
D12
J5
TEST2
J6
D11
A1
NC1
A2
AD0
B3
AD2
B4
VCC1
B5
NC4
B6
AD5
B7
AD7
D9
A2
E1
XIN
E2
NC6
E8
NC7
E9
A4
H2
NC8
H3
D15
H4
D13
H5
NC9
H6
DACK1
J7
D9
J8
D8
J9
NC12
X2
1
2
3
Q7
1
E1
2
B1
3
C2
4
E2
5
B2
6
C1
Q8
1
E1
2
B1
3
C2
4
E2
5
B2
6
C1
68k
R51
68k
R50
10k
R49
D2
D5
D7
D8
D10
D12
D14
D9
D11
D11
D13
D15
D15
D1
D3
D4
D6
D3
D4
D6
D0
AD4
AD8
AD10
AD14
AD5
AD18
AD9
AD13
AD3
AD7
AD19
AD11
AD15
AD2
AD6
AD12
AD17
*BUS_RD
*FLASH_CS
*BUS_WR
*USB_CS
AD1
AD16
*BUS_RD
*BUS_WR
*USB_INT
D8
D9
D11
D12
D14
D10
D0
D1
D3
D1
D3
D4
D6
D6
D2
D5
D7
AD6
AD7
AD7
AD5
D13
D15
D15
AD2
AD1
AD4
AD3
*FLASH_RY/BY
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD2
AD3
AD4
AD5
AD6
AD7
*USB_RESET
IC2
IC3
IC8
IC4
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(13)
(14)
NC: No Components
+1.8V
D-
D+
+3.2V
PC
35
KX-TGA915EXS
1
NC1
2
NC2
3
NC3
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
+3.2V
Q4
2
3
1
100k
R10
100k
R9
10k
R11
100k
R13
33k
R14
3.3k
R16
3.3k
R18
3.3k
R20
390
R21
120
R22
+2.5V
R28
NC
NC
C30
10
1u
C31
1u
C32
NC
C34
150
R42
1k
R43
1k
R44
100
R45
1k
R46
10k
R47
10k
R48
+3.2V
10
100n C26
100n
C25
10
100n
C24
10
100n
C27
100n
C28
100
R27
103
LDO1_Sense
104
LDO1_CTRL
105
LDO2_CTRL
106
VBAT2
107
VBAT1
108
AVS2
109
AVD2
110
LSR+/REF
111
LSR-/REF
112
LSR_HS/CIDIN-
113
VREF_HS/CIDOUT
114
MIC-
115
VREF-
116
VBUF
117
AGND
118
MIC+
119
VREF+/CIDIN+
120
*RST
121
AD0/EXT_MEMORY
122
AD1
123
AD2
124
AD3
125
AD4
126
AD5
127
AD6
128
AD7
1
VDDIO1
2
VSS1
3
AD8
4
AD9
5
AD10
6
AD11
7
AD12
8
AD13
9
AD14
10
P3_7/PD7
11
P3_1/PD1
12
P3_5/PD5
13
P3_4/PD4
14
P3_3/PD3
15
P3_2/PD2
16
VDD1
17
VSS2
18
RFCLK
19
VDDRF
20
VSSRF
21
Xtal1
22
CAP
23
AVS
24
AVD
25
RSSI
26
RDI
27
CMPREF
28
TDO
29
AD15
30
AD16
31
AD17
32
AD18
33
AD19
34
AD20
35
AD21
36
AD22
37
AD23
38
LE
39
SO
40
SK
41
DAC/ADC2
42
P3_6/PD6
43
*RD
44
*WR
45
MI/READY
46
SCLK
47
UTX/P0_0
48
URX/P0_1
49
JTIO/P0_2
50
PCM_FSC1/P0_3
51
PCM_FSC0/P0_4
52
PCM_CLK/P0_5
53
PCM_DOUT/P0_6
54
PCM_DIN/P0_7
55
VDDIO2
56
VSS3
57
*DREQ0/*INT0/P1_0
58
*DACK0/*INT1/P1_1
59
ACS1/*DREQ1/*INT2/P1_2
60
ACS0
61
ACS2/*DACK1/*INT3/P1_3
62
*HOLD/*INT4/P1_4
63
VDDE/*HOLDACK/*INT5/P1_5
64
*BE1
65
*BE0
66
SCL2/P3_0
67
SDA2
68
DAB0
69
DAB8
70
DAB1
71
DAB9
72
DAB2
73
DAB10
74
DAB3
75
DAB11
76
VSS4
77
VDD2
78
VDDIO3
79
P2_0/PWM0/SPIDI
80
P2_1/PWM1/SPICLK
81
P2_2/ADC0/CLK100
82
P2_3/ADC1
83
P2_4/SCL1
84
P2_5/SDA1
85
DAB4
86
DAB12
87
DAB5
88
DAB13
89
DAB6
90
DAB14
91
DAB7
92
DAB15
93
P2_7/DC_CTRL/SPIDO
94
DC_I
95
P1_6/PON/INT6
96
P1_7/CHARGE/INT7
97
P2_6/stop_charge
98
VBAT3/RINGING
99
DC_stab
100
DC_Sense
101
AVS_sense
102
ADC3
10
100n C23
D1
1
2
150k
R53
10 NC C39
10
NC
C40
100k
R54
12k
R19
12k
R17
12k
R15
Q9
B
C
E
10
100n
C42
ANT
10
NC
C44
50
1n
C45
10
NC
C46
10
NC
C47
10
NC
C48
10
NC
C49
+2.5V
RSSI
RFCLK
RDI
TDO
10k
R59
10k
R60
JTAG
URX
UTX
GND
1
VIN
2
VSS
3
NC1
5
VOUT
4
NC2
1
GND1
2
ANT2
3
VCCPA
4
GND2
5
GND3
6
VCC_OC
7
GND4
8
RSSI
9
SYRI
10
GND5
11
GND6
12
SYEN
13
SYDA
14
SYCL
15
GND7
16
RX_DATA
17
GND8
18
TXDA
19
GND9
20
*RESET
21
ANT1
22
GND10
23
GND11
24
GND12
25
GND13
26
GND14
27
GND15
28
GND16
29
GND17
30
GND18
31
A_1
32
GND19
0
R58
3.9n
L1
1p
C38
6.3
10u
C50
X1
12
3
4
1p
C29
1
VIN
2
VSS
3
CE
5
VOUT
4
NC
680k
R12
RF_RESET
SK
LE
SIO
D8
D4
D12
D5
D13
D6
D14
D7
D15
RFCLK
AD14
AD13
AD12
AD11
AD10
AD9
AD8
LE
AD19
AD18
AD17
AD16
AD15
TDO
RDI
RSSI
RFCLK
SIO
SK
RF_RESET
*BUS_RD
*BUS_WR
*FLASH_RY/BY
*USB_CS
*FLASH_CS
D0
D1
D9
D2
D10
D3
D11
*USB_RESET
*USB_INT
RSSI
RDI
TDO
IC5
IC9
IC1
IC6
IC7
(1)
(2)
(3)
(4)
(5)
(6)
(8)
(7)
(9)
(10)
(11)
(12)
(13)
(13)
(14)
KX-TGA915EX SCHEMATIC DIAGRAM
NC: No Components
+2.5V
TX
RX
+2.5V
36
KX-TGA915EXS
14 Printed Circuit Board
14.1. Circuit Board
14.1.1. Component View
14.1.2. Flow Solder Side View
CN2
IC4
KX-TGA915 CIRCUIT BOARD
(USB Adaptor
(Component
View)
)
PbF
PQUP11447Z
C49
A
C48
D+
D-
+5.0V
C46
C45
C44
C2
C3
C34
C51
C50
C31
+2.5V
RFCLK
ANT
RSSI
+3.2V
RDI
+1.8V
JTAG
TDO
C21
1
1
1
1
1
4
5
10
11
16
17
26
27
C42
C32
R14
R13
R58
R21
R12
R9
E
E
RST
UTX URX GND
R22
R44
IC7
IC6
C37
C1
C47
C40
C4
C38
D1
L1
R48
Q4
Q2
R17
R18
R54
R20
R19
R26
R15
R16
IC9
KX-TGA915
ANT
RST
2.5 V
3.2 V
D-
D+
RFCLK
(10.368 MHz)
1.8 V
GND
URX
UTX
for JIG
RSSI
VPA
KX-TGA915 CIRCUIT BOARD (
USB Adaptor
(Flow Solder Side
View)
)
C25
C28
PbF
C43
C26
Q10
R59
38
1
E
E
1
1
1
1
39
64
128
65
R38
R57
R31
R5
R3
R4
R3
R4
X2
R53
R45
R50
R11
R10
X1
C24 C29 C39 C23 D2
R27
R42
Q8
R41
R55
R52
R56
R32
R34
IC1
IC3
IC2
IC5
IC8
C27
R33
R8
R35
R60
C20
C30
R28
R39
R49
R51
R43
C41
Q7
Q9
R40
R47
R46
PQUP11447Z
KX-TGA915
A
IC2
(Flash)
IC5
(EEPROM)
IC1
(BBIC)
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