Panasonic KX-TU301RUME Service Manual ▷ View online
33
KX-TU301RUME
12 Schematic Diagram
12.1. For Schematic Diagram
12.1.1. Handset (Schematic Diagram (Handset))
Notes:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagram may be modified at any time with the development of new technology.
2. The schematic diagram may be modified at any time with the development of new technology.
12.1.2. Charger Unit (Schematic Diagram (Charger Unit))
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.
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KX-TU301RUME
12.2. Schematic Diagram (Handset)
GND
GND
VIO
VBAT
GND
GND
VIO
GND
UTX
URX
GND
GND
GND
GND
GND
GND
F1
VIO
VBAT
GND
GND
C50
1u
C51
( )
C52
10p
C53
10p
C54
10p
C55
10p
C56
10p
C61
( )
GND
C8
1u
16
IC3
1 VOUT
2 GND
4
C-
5
VIN
3 *SHDN
6
C+
VBAT
C57
1u
C59
0.1u
GND
VLED
VLED
C62
( )
VLED
GND
VLED
GND
GND
C63
0.1u
GND
VMIC
GND
GND
GND
GND
GND
VIO
GND
GND
GND
GND
VIO
C9
10uF
GND
GND
LED1
LED2
LED3
LED4
LED5
LED6
GND
GND
GND
GND
C10
0.1u
D7
D6
VIO
C1
22u
GND
Q1
G
D
S
GND
SW4
1 2
CN2
1
LEDK2
CN2
2
LEDK1
CN2
3
LEDA
CN2
4
GND
CN2
5
IOVCC
CN2
6
NWR_RNW
CN2
7
DB0_SDA
CN2
8
NCS
CN2
9
NRESET
CN2
10
DNC_SCL
CN2
11
VCI
C11
22u
F2
C13
( )
GND
C58
1u
TORCH_A
TORCH_K
GND
CN4
1
2
R7
100k
GND
C69
33p
C60
100p
L7
L8
C70
100p
GND
D8
GND
GND
TP-VLED
TP-DCIN
C6
( )
GND
GND
D1
TH
JK1
3
4
2
4
2
R5
1k
R10
10k
R4
100k
R6
470k
R17
10k
R18
330
R19
330
R58
1k
R59
10k
R62
( )
R63
( )
R50
1k
R51
10k
R52
470
R53
470
R54
470
R55
470
R56
470
R57
470
R65
470k
R1 3.6k
R2
7.5k
R3
82k
Q3
Q6
Q5
Q4
Q2
Q7
( )
Q8
IC2
1 VCC
2 ROSC
3 LED
4 GND
5 VDD
2 ROSC
3 LED
4 GND
5 VDD
6
TH
7
TMRCNT
8
RICHG
9
VSENSE
10
BAT
11
FIN
IC1
1
VO
2
NC1
3
GND
4
CS
5 CONT
6 NC2
7 NC3
8 VIN
9
6 NC2
7 NC3
8 VIN
9
FIN
L1
L2
D2
R72
22
R71
22
R70
22
R64
22
L3
R61
100
R60
100
CN5
1
2
3
KEY BACKLIGHT
(White)
CHARGE
Terminal
BATTERY
To Color LCD Unit
LCD BACKLIGHT
(White)
(White)
LED Torch
(White)
(White)
2.0A
LED8
NC: No Components
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
Charge Current
Charge-
Charge+
3.6V
DCIN
2.85V
2.85V
6 s
/25 s (dimmed)
To LCD Module
!
!
3.6V
35
KX-TU301RUME
+ -
M
KP[0]
KP[1]
KP[2]
KP[3]
KP[6]
KP[4]
KP[5]
KP[7]
KP[8]
KP[0]
KP[7]
KP[9]
KP[1]
KP[3]
KP[5]
KP[6]
KP[8]
KP[4]
KP[2]
KP[9]
C20 10uF
SP-PHONE
+
-
PWON
RESETn
VRTC
VSIM
VRTC
GND
GND
GND
GND
GND
GND
GND
GND
GND
EFUSE
GND
GND
GND
GND
GND
C26
( )
C34
( )
GND
GND
SIM_IO SIM_RST
SIM_CLK
C3
1u
C12
1u
C18
0.1u
C24
0.1u
C25
0.1u
C4
10p
C64
( )
C21
( )
C32
100p
C33
100p
C31 1000p
C29
33p
C30
33p
GND
CN3
1
4
2
3
3
5
VIO
VANA
GND
GND
GND
GND
C35
0.1u
C36
0.1u
C39 10uF
C37
10uF
VANA
GND
GNDGNDGND
LED7
VBAT
GND
C38
22p
C41
( )
SW3
VOL_UP
1 2
SW2
VOL_DOWN
1 2
GND
GND
GND
VBAT
GND
GND
VMIC
VRTC
VIO
GND
GND
C68 0.1u
GND
GND
C65 1u
ANT
1
2
GND
GND
D5
D4
D3
C15
330u
GND
GND
C67
( )
3
LEFT
CENTER
RIGHT
SP
DOWN
CLEAR
1
2
UP
4
5
6
7
8
9
TALK
0
POWER
C66 2.2u
C42
56p
C40
1000p
C43
( )
GND
SW5
4
6
7
5
1
2
3
3
IC4
1 CE
2 GND
3
VOUT
4
VDD
CF1
CN1
C7
C7
C5
C5
C3
C3
C6
C6
C2
C2
C1
C1
9
10
SW1
SOS
1 2
R16
100
R15 4.7k
R13
47
R12
47
R14
47
R68
10k
R67
470k
R22
820
R21
820
R23 3.3k
R24 3.3k
R20 1.2k
R31
10k
R30
470k
R29
1k
R28
2.2k
2.2k
R27
1.5k
R26
270k
R25
330k
R69
10k
GND
C7
( )
C19
( )
R8
22k
Q9
MOD1
21
KP4
22
KP5
23
KP6
24
KP7
25
KP8
26
KP9
35
MICP2
36
MICN2
37
VANA
38
VMIC
39
MICN1
40
MICP1
41
HSDET
42
GND2
46
EPP1
47
EPN1
48
LOUD1
49
LOUD2
61
CS
50
CDT
7
LCD_RST
8
LCD_SDA
9
LCD_RS
10
LCD_SCL
11
LCD_CS
12
VIO
13
RXD
14
TXD
15
BACKLIGHT
16
GND3
31
SIM_IO
32
VSIM
33
M9
34
M0
5
W_LED_FBP
6
W_LED_DRV
3
VBAT2
4
VBAT3
1
GND1
2
VBAT1
51
GND5
52
VBAT4
53
GPIO32
54
VIB_CONTROL
55
GND7
17
KP0
18
KP1
19
KP2
20
KP3
27
RESETn
28
PWON
57
VRTC
29
SIM_CLK
30
SIM_RST
56
GND8
58
M2
59
EPPA1
60
GND6
43
RF_GND2
44
ANTENA
45
RF_GND1
62
32K_out
63
CLKOUT
64
EFUSE
C44
1000p
GND
GND
C22
10p
C23
10p
GND GND
R33 330
R32 330
C27
( )
C46
100p
C45
100p
GND
GND
ANT2
ANTGND
GND
C16
0.5p
C71
0.5p
L9 3.3n
L6
4.7n
C14
6p
C5
100p
L4 1.8n
R73 22
D9
GND
D10
GND
SP1
1
2
GND
M1
1
2
MIC1
1
2
2
R66
1k
BAT:3.6V
VIO:2.85V
VSIM:1.8V
VANA:2.5V
VRTC:2.0V
RF/BBIC MODULE
Main ANT
BELL LED
(Amber)
(Amber)
Sub ANT
FG
KX-TU301RU SCHEMATIC DIAGRAM (Handset)
NC: No Components
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(13)
3.6V
VOICE RX (+)
SP-PHONE RX (+)
SP-PHONE RX (-)
VOICE RX (-)
RX DATA
TX DATA
2.5V
2.85V
HEADSET TX
HEADSET RX
VOICE TX(-)
1.8V/2.85V
2.0V
VOICE TX(+)
36
KX-TU301RUME
12.3. Schematic Diagram (Charger Unit)
J1
2
1
TP3
G
TP2
TP1
TP4
F1
KX-TU301 SCHEMATIC DIAGRAM (Charger Unit)
!
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