Read Panasonic KX-TU301RUME Service Manual online
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(+)
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