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Model
KX-TG7341UAM KX-TG7341UAT KX-TGA731RUM KX-TGA731RUT KX-TGA731RUC KX-TGA731RUS
Pages
104
Size
2.9 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / TELEPHONE EQUIPMENT
File
kx-tg7341uam-kx-tg7341uat-kx-tga731rum-kx-tga731ru.pdf
Date
PREV: Panasonic KX-TG7341RUM / KX-TG7341RUT / KX-TGA731RUM / KX-TGA731RUT / KX-TGA731RUC / KX-TGA731RUS (serv.man5) Service Manual / Supplement

Panasonic KX-TG7341UAM / KX-TG7341UAT / KX-TGA731RUM / KX-TGA731RUT / KX-TGA731RUC / KX-TGA731RUS Service Manual ▷ View online

85
KX-TG7341UAM/KX-TG7341UAT/KX-TGA731RUM/KX-TGA731RUT/KX-TGA731RUC/KX-TGA731RUS
+1.8V
1.8V
MIC-
MIC+
RECEIVER
+
-
SP-PHONE_SPEAKER
+
-
C70
NC
C71
NC
10p
C72
10p
C73
C113
NC
C152
NC
C140
NC
10k
R40
10k
R41
100p
C104
100p
C105
C106
NC
100p
C103
C107
NC
GND
GND GND GND
GND
GND
BATTERY
0
R152
GND
GND
10k
R42
GND
16V
K0.47
C181
R253
NC
R255
NC
R157
NC
D3
2
1
D4
2
1
C75
NC
C74
NC
VREFm
VREFm
CN5
CS
1
CN5
CAP1-
10
CN5
RS
3
CN5
VSS
7
CN5
SD
A(SI)
5
CN5
VDD
6
CN5
CAP1+
11
CN5
V4
17
CN5
SCL
4
CN5
V2
15
CN5
V3
16
CN5
CAP2+
12
CN5
CAP3+
9
CN5
V1
14
CN5
CAP2-
13
CN5
RESET
2
CN5
V0
18
CN5
VO
U
T
8
GND
GND
MIC
PB1
1
2
C10
NC
RG+3.1V
R256
NC
470
R51
470
R52
C76
NC
C77
NC
VREFm
VREFm
64K
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
3.3k
R53
3.3k
R50
RG+3.1V
0.1u
C172
1u
C80
C174
1u
16v
C173
1u
16v
1u
C176
1u
C175
C180
K0.47
16V
C178
K0.47
16V
C179
K0.47
16V
C177
K0.47
16V
D19
D20
+1.8V
R271
NC
GND_0
GND_0
GND_0
GND_0
D13
D14
+3.0V
R254
NC
0
R55
10k
R54
GND
GND
GND
GND_0
GND_0
CP+2.5V
CP+2.5V
100p
C842
10p
C118
10p
C125
GND
220
R108
220
R107
10p
C117
GND
GND
ANT_TP
10p
C124
ANT1
ANT2
100p
C841
GND
GND
GND
1p
C834
7p
C832
GND
GND
10p
C811
10p
C809
GND
100n
C808
7p
C833
100p
C822
50
1.5p
C826
220
R807
1.3p
C803
1k
R803
220
R806
47
R805
D801
1.6p
C813
GND
GND
2.4p
C802
7p
C801
BATTERY
GND
GND
2.4p
C804
GND
D802
4.7n
L804
0.75p
C820
4.7n
L802
10p
C819
GND
1.6p
C810
7p
C812
3.3n
C814
0.5p
C837
GND
GND
GND
GND
1k
R804
1
PSET
2
VCCS
3
PI
4
PIX
7
PSEL
8
POX
9
PO
10
VCC
11
GND
5
PRAMP
6
PAON
GND
GND
GND
4.7n
L803
GND
C807
NC
GND
10p
C825
DA
1
1
2
3
RF_RXn
TXON
RXON
VDD_PADRV
Txn
Txp
PSEL
PON
RF_RXp
0
R56
0
R58
0
R57
GND
270
R802
2p
C184
2p
C185
L10
33
L11
33
620
R801
LCD_CSB
LCD_CD
LCD_SCL
LCD_RESET
LCD_SDA
LSRp
LSRn
MICp
MICn
(MAX500mA)
to LCD UNIT
10p
C827
22n
L801
IC3
IC801
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(9)
(10)
(11)
(12)
(8)
KX-TGA731 SCHEMATIC DIAGRAM (Handset_Main)
NC: No Components
1.8V
RX_RF
TX_RF
TX_RF
TX _AF
RX-AF
(Handset)
Sp-phone RX
Beep
86
KX-TG7341UAM/KX-TG7341UAT/KX-TGA731RUM/KX-TGA731RUT/KX-TGA731RUC/KX-TGA731RUS
13.6. Schematic Diagram (Charger Unit)
J1
2
1
TP3
G
TP2
TP1
TP4
R1 10
D1
A
K
F1
SCHEMATIC DIAGRAM (Charger Unit)
87
KX-TG7341UAM/KX-TG7341UAT/KX-TGA731RUM/KX-TGA731RUT/KX-TGA731RUC/KX-TGA731RUS
14 Printed Circuit Board
14.1. Circuit Board (Base Unit_Main)
14.1.1. Component View
KX-TG7341/31H
A
PbF
3.0A
F1
KX-TG7341 CIRCUIT BOARD  (Base Unit_Main (Component View))
PNLB1037Z
PNWH01
PNWH02
E
E
E
E
E
E
E
D26
D21
R21
R12 R13
R27
R28
R1
R2
R14
R16
R22
DA1
D802
D801
TP15
TP16
D12
D3
D5
L104
L804
L803
IC7
IC201
R805
R206
R207
R208
R209
R801
R103
R204
R5
R6
R37
R54
R58
CHARGE
C111
C101 C102
C826
C820
C833
C803
C801
C812
C805
C810
C819
C809
C825
C62
C402
C211
C203
C216
C72
C67
C55
C61
C58
C404
C59
C68
Q4
Q401
C17
C25
C16
C15
L102
L101
L801
L802
C802
C813
L202
L201
D204
D203
D6
D9
D22
D23
D202
C224
C223
D201
R35
R15
R63
R34
R33
R71
R802
R805
R807
R64
R803
R804
R79
R203
R202
R51
R50
R55
R57
R31
C26
Q2
R30
R56
R23
C2
R302
R301
RA502
RA501
R501
R502
R205
R304
R503
R303
R52
R53
C34
C113
C108
C107
C64
C63
C816
C815
C814
C816
C817
C811
C807
C808
C834
JOINT1
C837
C822
C832
C827
C804
C112
C210
C208
C209
C222
C221
C220
C212
C71
C54
C65
C36
C29
C31
C66
C104
C202
C73
C403
C429
Q101
Q8
Q23
Q304
Q303
Q301
Q302
Q22
C69
C57
C70
C506
C505
C213
C214
C215
C217
C207
C206
C205
C204
C426
C427
R504
C504
C511
C507
C503
C502
C501
C56
C52
C53
C27
C50
C103
C51
D1
Q5
Q3
SA2
SA1
C3
C9
C10
C4
C6
C13
C30
C28
C37
C8
C5
C11
X1
L2
L1
ANT_1
ANT_2
E
E
E
E
E
E
1
1
3
6
10
24
25
17
16
9
8
32
1
1
25
51
75
26
100
50
76
1
MIC-
MIC+
IC801
C510
C509
C508
R10
R9
R7
C7
R8
R72
R73
R74
R62
R61
R4
R32 R36
R3
R17
C32
C12
88
KX-TG7341UAM/KX-TG7341UAT/KX-TGA731RUM/KX-TGA731RUT/KX-TGA731RUC/KX-TGA731RUS
14.1.2. Bottom View
ANT2_TP
DCP
DCM
ANT1_TP
ANT1
ANT2
R66
R65
KX-TG7341H
TG7331H
L2T
L2R
L1T
L1R
WHITE
RED
GREEN
YELLOW
MIC
GND
UVCC
GND_C
3
1
4
VDD3
J101
LINE_DC
URX
MIC+
MIC-
MIC+
MIC-
CLK
UTX
SP
CHG+
SP+
SP-
EEP_WP
E
Q421
RA401
VDD5
VDD4
VDD1
VDD2
TAM_RESET
SDA2
TDO
SK
LE
SCL2
TAM_WP
Low_Rad
DP1
FLASH_CSn
TAM_EM
SPI2_CLK
SPI2_DI
SPI2_DO
SIO
RDI
TG7331_short
DP0
C14
C38
TP10
TP9
1
4
5
8
R405
R404
R402
R18
R20
R429
R428
R425
R427
IC421
R426
R424
R78
R70
R210
R211
R212
R213
R76
R77
R69
R68
R67
R26
R19
R25
R29
C18
C60
C218
C201
C219
R201
C428
C423
C421
C401
C422
C424
C425
C19
C20
C33
C840
C109
C110
C105
C106
L805
C39
C74
C35
C22
C23
C24
C21
SPI_DI
SPI_DO
SPI_CLK
JTAG
8
1
4
5
IC401
CHG-
TP16_sub
TP15_sub
POW
IC1
PNLB1037Z
A
10
6
1
1
3
PbF
KX-TG7341 CIRCUIT BOARD 
 (Base Unit_Main 
(Bottom
 View)
)
WP
DCP
VDD3 (3.0 V)
ANT2_TP
DCM
L1R
L1T
L2T
ANT1_TP
L2R
GND
VDD4
(CP3.0V)
UVCC
GND_C
LINE_DC
URX
CLK
(10.368 MHz)
UTX
CHARGE+
SP+
SP-
VDD1 (1.8 V)
VDD2 (2.4 V)
CHARGE-
VDD5
(CP2.5V)
(3.0 V)
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