Read Panasonic KX-T7633RU Service Manual online
17 SCHEMATIC DIAGRAM
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(8)
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(1
1) (12)
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1/4
2/4
3/4
4/4
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(b)
(c)
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(e)
(f)
(g)
(h)
(i)
(j)
(k)
(m)
(n)
(p)
(q)
(r)
(s)
(t)
(u)
(v)
(w)
(x)
KX-T763
3
RU-B MAIN
AND SUB BOARDS (1/4)
CN7
1
2
CN6
1
2
L2
JK1
3
SP
2
1
MIC
4
AG
IC2
1
CD
2
FC2
3
FC1
4
Vi
n
5
VO1
6
VCC
7
GND
8
VO2
C38
0.015
R26
10K
C33
Z0.1
C27
6.3V100
A3.3V
C21
1000P
AG
C41 68P
R32 560K
R33 33K
R34
33K
R30 33K
C40 390P
R29
33K
R31
220K
IC4
GSR1
4
SCLK
13
VREF
24
DR
11
VFR1
5
GST1
3
VFTN1
2
DX
10
BCLK
9
VSS
18
VR1
6
VDD
7
LPC
16
FS
8
D
ATA
14
12
TNOUT
GST0
21
VFTN0
22
VFR0
19
GSR0
20
VR0
17
CSN
15
VFTP0
23
VFTP1
1
R28
22K
C37
0.1
R13
47K
DG
D3.3V
D3.3V
AG
Q1
E
C
B
DG
CN2
1
2
R5
3.3
D3.3V
CN1
2
LCD_RES
LCD_CS
1
LCD_A0
3
LCD_SCK
4
LCD_DA
T
A
5
MODELCOAD
22
R21
47K
DG
JK4
1
5
4
3
2
AG
CN5
1
HS2SP
2
GND
3
HS2MIC
4
C19
Z0.01
C20
1000P
1000P
C36
0.1
R27
15K
R19
1K
R20
2.2K
A3.3V
AG
AG
R18
2.2K
A3.3V
R17
1.8K
C43
0.1
A3.3V
AG
CN4
1
2
3
4
R23
33K
R24
56K
C32
1200P
C39
NC
R14
SP1
MIC1
AG1
SP2
AG2
MIC2
MIC3
AG3
SP3+
SP3-
C25
Z0.01
C26
Z0.01
NC
R16
R12
3.3
C28
Z22
C29
Z10
C30
Z4.7
C31
Z10
C23
Z0.1
DG
D3.3V
C18
Z0.1
Z0.1
R10
1K
R1
1
1K
R9 10K
I1
I2
IC9
5
2
1 3 4
IC7
1
6
7
5
IC7
8
4
2
3
C108
1000P
D3.3V
D3.3V
NC
R111
NC
R112
NC
R113
NC
R114
NC
R115
DG
D3.3V
Q16
E
C
B
C1
13
NC
R120 10K
R121
1K
AG
C1
12
0.1
C1
14
R128
150
C1
17
Z0.1
R125
270K
R126
6.8k
R131
47K
D3.3V
C144
1000P
C42 3300P
C129
Z0.1
DG
L3
R130
220
C146
10P
C126
10P
C125
10P
C124
10P
C147
1000P
C120
10P
C35
10P
10P
C142 10P
C121
10P
C123 10P
C122 10P
C148 330P
C149 330P
A3.3V2
SP
MIC
T
O
BACK LIGHT
T
O
HANDSET
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34
KX-T7633RU-B
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