Panasonic KX-TG9127UAS / KX-TG9127UAT / KX-TGA910UAS / KX-TGA910UAT Service Manual ▷ View online
81
KX-TG9127UAS/KX-TG9127UAT/KX-TGA910UAS/KX-TGA910UAT
100k
R67
+3.0V
100n
C18
100k
R26
100n
C20
1
CD
2
+VREF
3
+VIN
4
-VIN
5
VOUT1
6
V+
7
GND
8
VOUT2
CN4
1
4
2
3
5
REV_TEST2
100n
C25
100n
C26
50
470p
C27
SP_TEST1
SP_TEST2
100n
C28
1u
C29
1u
C30
D8
12
1
R47
1u
C31
1u
C32
+4.0V
10u
C33
REV_TEST1
1u
C40
47
R59
Q6
1
3
2
+4.0V
1u
C41
MIC
1
2
330
R37
2.2k
R41
33
R39
33
R40
10k
R63
100k
R42
47k
R64
27k
R45
10
R44
TP20
TP21
CN1
1
CN1
2
CN1
3
CN1
4
CN1
5
CN1
6
CN1
7
CN1
8
CN1
9
CN1
10
CN1
11
CN1
12
CN1
13
CN1
14
CN1
15
CN1
16
CN1
17
CN1
18
CN1
19
CN1
20
CN1
21
CN1
22
CN1
23
CN1
24
CN1
25
CN1
26
CN1
27
CN1
28
CN1
29
CN1
30
+3.0V
1u
C49
100n
C50
LED_A
LED_K
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
10p
C60
10p
C64
C68
NC
NC
C62
1n
C65
1n
C66
+3.0V
NC
R22
R133
NC
D4
AK
D5
AK
C69
NC
1k
R58
1n
C74
10p
C77
10p
C78
10p
C79
270p
C61
270p
C63
C126
NC
C127
NC
4.7k
R38
D11
AK
C131
NC
C132
NC
10n
C23
G1
*OE
G2
DQ9
G3
DQ11
G4
VCC
G5
DQ13
G6
DQ15
H1
VSS1
H2
DQ1
H3
DQ3
H4
DQ4
H5
DQ6
H6
VSS2
A1
A3
A2
A7
A3
R
Y/*BY
A4
*WE
A5
A9
A6
A13
B1
A4
B2
A17
B3
*WP/A
CC
B4
*RESET
B5
A8
B6
A12
C1
A2
C2
A6
C3
A18
C4
A21
C5
A10
C6
A14
D1
A1
D2
A5
D3
A20
D4
A19
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
NC
G1
D15
G2
NC5
G3
A12
G4
A13
G5
*WE
G6
D7
H1
NC6
H2
A8
H3
A9
H4
A10
H5
A11
H6
NC7
A1
*LB
A2
*OE
A3
A0
A4
A1
A5
A2
A6
NC1
B1
D8
B2
*UB
B3
A3
B4
A4
B5
*CE
B6
D0
C1
D9
C2
D10
C3
A5
C4
A6
C5
D1
C6
D2
D1
VSS1
D2
D11
D3
NC2
D4
A7
D5
D3
D6
VCC1
E1
VCC2
E2
D12
E3
NC3
E4
NC4
E5
D4
E6
VSS2
F1
D14
F2
D13
F3
A14
F4
A15
F5
D5
F6
D6
C24 1u
C80
NC
12p
C75
12p
C76
A4
A5
A6
A7
A8
A8
A9
A10
A13
A14
A18
A15
A16
A16
WRITE#
DB6
DB4
DB3
DB1
DB15
DB13
DB11
DB9
READ#
A16
A12
A20
A21
A12
A20
A21
A6
A2
A2
A15
A11
A11
A19
A7
A3
A3
DB3
DB11
DB2
DB1
DB10
DB9
DB0
SRAM_CS#
A5
A4
A4
SRAM_UB#
DB8
A3
A2
A1
A2
A1
READ#
SRAM_LB#
DB12
DB4
DB14
DB13
DB13
DB5
DB6
DB6
DB15
A13
A14
WRITE#
DB7
A9
A10
A11
A12
FLASH_RESET#
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
WRITE#
READ#
A17
LCD_CS#
D/C
LCD_RESET#
A20
LCD_D/C
LCD_BL_CTRL
DB14
DB12
DB8
FLASH_CS#
A17
DB7
DB5
DB2
DB0
A1
DB10
0
RA1
0
RA2
0
RA3
0
RA4
0
RA5
0
R79
0
R134
R133 / R134
with USB:
0
/ NC
without USB: NC / 0
IC6
IC2
IC3
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(7)
(8)
KX-TGA910 SCHEMATIC DIAGRAM (
Handset
)
NC: No Components
Sp-phone RX
Beep
Beep
TX-AF
RX-AF
(Handset)
(Handset)
1.6V DC supply to Mic
82
KX-TG9127UAS/KX-TG9127UAT/KX-TGA910UAS/KX-TGA910UAT
12.5. Schematic Diagram (Charger Unit)
TP3
G
J1
2
1
TP4
TP2
TP1
10
R1
10
R3
12
R2
12
R4
SCHEMATIC DIAGRAM (Charger Unit)
83
KX-TG9127UAS/KX-TG9127UAT/KX-TGA910UAS/KX-TGA910UAT
13 Printed Circuit Board
13.1. Circuit Board (Base Unit_Main)
13.1.1. Component View
C45
C46
C47
C35
14
75
C34
C37
C33
C116
C131
C114
C115
C132
C130
C113
C111
C101
C102
C118
C122
1
10
11
16
17
26
27
32
DA
1
C125
TP23
C152
C85
Q11
C87
C95
SW1
C2
C3
L1
L2
Q3
E
D3
C154
C84
C91
1
1
8
9
16
17
24
25
32
14
28
15
A
C41
C135
1
1
4
8
5
C149
C76
17
32
33
4849
16
1
64
C74
C78
C75
C79
C144
C138
D17
C73
C72
C77
C65
C63
C61
C62
C60
C59
Q14
Q1
D5
D2
J1
J2
D9
C1
C134
C140
C12
Q4
C29
C28
J3
~~
J4
C19
C17
C71
R22
R21
Q5
Q8
E
C58
C141
C21
C23
C24
C18
C5
C136
C137
C50
C124
ANT_2
ANT_1
C117
C119
C121
L4
L7
L6
L3
L9
L5
C129
C30
C31
C150
C40
C39
C38
C43
C139
C8
C80
C90
C89
C86
C88
C82
C70
C69
C20
C53
C6
C16
C13
C147
C93
C92
C94
C96
C97
C26
C27
C11
C15
C4
C10
C9
SA1
SA2
C52
C56
C25
C7
C55
C14
C54
C66
C67
C57
C68
C83
C142
C151
C148
C143
C145
D10
C146
C42
C81
C133
C51
C48
C44
D11
C120
C49
C104
C103
C107
C110
C109
C109
C128
C127
C126
C112
C108
C105
R105
R104
R103
R110
R109
R58
R108
R107
R39
R38
R1
R117
R71
R33
R64
D6
R19
R8
R3
R4
TP10
R32
R116
R69
R70
R42
R41
R118
R88
R90
R91
R72
R24
R25
R13
R31
R74
R29
C22
R93
R94
R96
R97
R113
CN6
1
1
CN5
R101
R14
R15
D7
D8
D15
D16
R11
D4
R17
R10
R6
R34
R36
R35
D12
Q9
R43
R44
R77
R78
R73
R106
C106
R51
R112
Q7
R49
R37
R121
R40
R83
R115
R114
R84
R85
R82
IC8
IC6
IC9
IC3
IC7
IC10
IC1
IC2
IC5
IC4
R86
R87
R68
R26
R98
R119
D13
D14
Q12
Q13
R120
R95
R99
R100
R23
R67
R9
R18
R16
R12
R2
Q2
R30
R20
R27
R28
R7
R65
R66
CN1
CN2
L1T/TP_RL
Y2
L1R/TP_RL
Y4
L2T/TP_RL
Y3
TP9
TP_RL
Y1
TP_RL
Y5
R5
R46
R47
R45
R61
R59
R60
R62
58
41
R55
D1
C36
C32
X1
C64
CN4
R56
2
R92
R81
R76
R89
R75
R63
R53
R50
Q6
R48
R54
R52
R80
R79
R111
R57
R102
Q10
KX-TG9127 CIRCUIT BO
ARD
(Base Unit
(Component
Vie
w
)
)
PbF
PQ
UP11410Z
8120
8100
7120
KX-TG7100
IC8
pin16
(SP+)
C72:
RESET
(IC7 pin45)
IC8
pin14
(SP-)
84
KX-TG9127UAS/KX-TG9127UAT/KX-TGA910UAS/KX-TGA910UAT
13.1.2. Flow Solder Side View
PbF
PQ
UP11410Z
KX-TG7100
7120
8100
8120
A
VDD1
VDD3
A_1
CLK
RX
TX
GND
VDD4
BU
Z
SP
SP+
SP-
ANT
A_2
VDD2
LINE_DC
L1T
L1R
L2R
L2T
4
3
2
DCM
2
1
DC_IN
RED
BLACK
CHARGE
KX-TG9127 CIRCUIT BO
ARD
(Base Unit
(Flo
w Solder Side
Vie
w)
)
VDD1
(1.8 V)
VDD2
(2.5 V)
VDD3
(3.3 V)
CLK
(10.368 MHz)
for JIG
RX
TX
GND
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