(22)(23)
(24)
(25)
3/4
4/4
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
(k)
(m)
(n)
(p)
(q)
(r)
(s)
(t)
(u)
(v)
(x)
(w)
KX-T7633 / KX-T7633-B MAIN AND SUB BOARDS (3/4)
C79
Z0.1
DG
C80
Z0.1
C86 Z1
DG
DG
R80 22
L
R63
5.6K
DG
R70
1.8K
C87 Z1
L7
R68
1.2K
R62
8.2K
T1
4
5
9
10
1
2
6
7
H
L6
R64
12K
Q2
3
5
1
2
4
R87
270
C74 1000P
R60 1.8K
R61 1.8K
C75 1000P
C85
Z0.1
R85 1.2K
R86 1.2K
DG
R65
5.6K
C83
Z0.1
D3.3V
R67
10K
C84
Z0.1
DG
R66
6.8K
DG
R69
4.7K
R82
4.7K
DG
R92
560
R93
330
D3.3V
DG
C99
50V Z1
D3.3V
D3.3V
D3.3V
DG
R83 100
C98
50V Z1
R96
330
R95
560
DG
D3.3V
Q10
E
C
B
R98
5.6K
C104
Z1
DG
R
T
JK3
1
H
2
R
3
T
4
L
DG
6.3V100u
C93
50V Z0.1
C106
D3.3V
D3.3V
2.7K
R90
22K
R102
50V33u
C107
Z0.1
C94
1.2K
R91
Z0.22
C102
Z0.01
C105
Z0.1
C101
330u
L5
D5
1
3
2
4
DG
1
Vcc
2
FB
3
IN
4
GND
5 GND
6 REF
7 CS
8 OUT
L8
L9
C97
Z0.1
DG
C91 1000P
C92 1000P
C58
Z0.1
A3.3V
D3.3V
Q8
1
4
3
5
2
AG
C44
Z0.22
A3.3V
DG
C54
Z0.01
L4
3.3
6.3V100u
C88
A3.3V2
JK2
A
H
T
R
L
B
R81 22
R84 100
R100
33
R101
10
C100
Z1
DG
C103
50V Z1
R88
8.2K
R41
47K
R45
47K
R40
47K
R42
39K
R36
33K
C48
Z0.1
C47
Z0.1
C66
Z0.1
C73
Z0.1
DG
Q14
1
4
3
2
5
6
R97
27
R99
18
R89
12K
DG
D3.3V
R47
10K
R46
220
C56
0.1
C53
0.1
R43
5.6K
DG
C68
B
A
C51
0.1
A3.3V
GND
R49
1K
R50
1K
R35
1K
R51
1K
AG
NC
C60
NC
C61
NC
C45
NC
C62
DG
DG
DG
R48
180
C46
Z10
D4
Q15
E
C
B
AG
CN13
1 A(UK)
2 T
3 R
4
Q9
1
2
3
4
5
6
C50
Z10
C49
Z10
R38
47K
D3.3V
PN9CLK
R108
120
A3.3V
AG
OEP/PN9CLK
30
PVSS
5
PVDD
6
CK8M
77
RIN
7
PLLO
9
RSTN
100
PVRH
69
PDX1
71
PDX0
70
DVRL
60
OP7
58
OP6
57
PEP/SCLK
54
PCM2M
53
PSR
52
PSX
50
DDX0
63
DDX1
64
DVRH
62
DDR
61
SPOP
44
SPON
45
SPI
46
PDRL
67
PDR
68
AD0
88
AD1
87
AD2
86
AD3
85
AD4
84
AD5
83
AD6
82
PLLI
8
GND
10
VREF0
43
AVDD
47
AG
42
PSYNC
51
CK16M
76
VDD
17
VDD
29
VDD
41
VDD
59
VDD
66
VDD
81
VDD
89
GND
18
GND
40
GND
48
GND
65
GND
78
GND
90
C72
Z0.1
C76
Z0.1
C81
Z0.1
C110
Z0.1
C71
Z0.1
R116
15K
R117
1K
DG
6.3V100u
C59
C111
4V330u
NC
C89
NC
C90
Vout
1
Vin2
Vss
4
NC
3
R118
1M
R119
180K
C96
100P
C95
100P
C63
12P
DG
C118
Z0.1
R124
1M
R127
10
NC
C52
1
R133
A3.3V
DG
AG
AD0
AD1
AD2
AD3
AD4
AD5
AD6
CLK
DATA
CS
CS
OPDET
TO PBX
TO DPT/SLT
TO XDP
for KX-T7633E
Summary of Contents for KX-T7633
Page 4: ...4 LOCATION OF CONTROLS 4 ...
Page 9: ...Note Refer to 1 5 of WAVEFORM for waveform 8 2 LCD DOES NOT OPERATE 9 ...
Page 10: ...Note Refer to 6 of WAVEFORM for waveform 8 3 HANDSET DOES NOT WORK Receive Send 10 ...
Page 11: ...Note Refer to 7 8 of WAVEFORM for waveform 8 4 HEADSET DOES NOT WORK Receive Send Note 11 ...
Page 28: ...13 CABINET AND ELECTRICAL PARTS LOCATION 28 ...
