Panasonic KX-T7633, Service Manual

Page: 52 / 54

KX-T7633 / KX-T7633-B
MAIN AND SUB BOARDS (2/4)
1/4
2/4 3/4
4/4
(y)
(z)
(A)
(B)
(D)
(E)
(1) (2)(3) (4) (5) (6) (7) (8)(9)(10)(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19) (20) (21)
SW144 SW145 SW146
SW143
SW137
PAUSE
SW142
1
SW135
CONF
SW138
INTERCOM
SW139
AUTO/ANSWER
SW136
FWD
SW130
CO4
SW127
CO1
SW126
3
SW131
CO5
SW129
CO3
SW128
CO2
SW123
CO8
SW121
CO10
SW122
CO9
SW115
CO17
SW114
CO16
SW113
CO15
SW134
2
IC3
64
CVcc
63
PB6
62
PB7
61
VT
ref
60
T
ONED
59
P87
58
P86
57
P85
56
P84
55
P83
54
P82
53
P81
52
P80
51
P77
50
P76
49
P75
48 P74
47 P73
46 P72
45 P71
44 P70
43
P67
42 P66
41
P65
40 P64
39 P63
38 P62
37 P61
36
P60
35 P57
34
P56
33 P55
17
P17
18
IRQ2
19
P15
20
P14
21
P13
22
P12
23
P11
24
TMO
W
25
PA
3
26
PA
2
27
PA
1
28
P50
29
P51
30
P52
31
P53
32
P54
1 X1
2 X2
3 Vss
4 OSC2
5 OSC1
6 TEST
7 Vcc
8 RES
9 P20
10 SCK
11 P22
12 SO1
13 SCK3
14 RxD
15 TxD
16 P27
DG
C24
Z0.1
DG
D3.3V
C17Z0.01
DG
VDD
6
VDD
7
VSS
8
VSS2
9
VSS2
10
VOUT
11
CAP3-
12
CAP1+
13
CAP1-
14
CAP2-
15
CAP2+
16
V1
17
V2
18
V3
19
V4
20
V5
21
SW160
HOOKSW
R8
47K
D3.3V
D3.3V
CN8
1
KEYIN3
2
KEYIN4
3
KEYIN5
4
KEYIN6
5
KEY
OUT7
6
KEY
OUT6
7
KEY
OUT5
8
NR
O
W
9
9
CLM0
CN9
1 2 3 4 5 6 7 8 9
R15 120
D133
SPPHONE
SW148
FLASH
SW150
REDIAL
SW152
CANSEL(PROG)
SW153
ENTER
SW154
MESSAGE
SW155
HOLD
SW157
DOWN
SW158
LEFT
SW159
RIGHT
C14
Z0.1
DG
C10
Z0.1
D3.3V
DG
C1
Z2.2
C2
Z2.2
C3
Z2.2
C4
Z2.2
C5 Z1
C6 Z1
C7 Z1
C8 Z1
C9
50VZ1
R3
1M
R4
1M
R1
1M
R2
1M
C22 Z0.1
IC8
2 4
DG
D2 D3
SW132
CO6
SW140
AUTO/STORE
D11
D8
AREACOAD3
D10
MODELCOAD2
D6
AREACOAD1
D7
AREACOAD2
SW141
4
SW133
5
SW125
6
SW147
TRANS
E1
E2
E4
E3
E6
E5
E8
E7
F1 F3 F2 F5 F4 F7 F6 F8
-1.2V
DG
C15 Z0.01
IC1
Vout
1
Vin 2
Vss
4
NC
3
DG
C13
Z0.1
R6
0
NC C16
SW156
UP
SW149
SPPHONE
DG
SW117
7
SW109
8
SW101
9
SW118
*
SW110
0
SW102
#
SW119
CO12
SW111
CO13
SW103
CO19
SW120
CO11
SW112
CO14
SW104
CO20
SW105
CO21
SW106
CO22
SW107
CO23
SW108
CO24
SW124
CO7
SW116
CO18
F12 F11 F10 F9
E9
E10
E11
A11 B7
CN3
18
VDD
1
GND
11
GND
13
GND
2
RxRDY
3
BUSY
15
OPDET
4
SCLK
5
RxD
6
TxD
7
TxEN
8
OSX
9
OSR
10
OSYNC
12
OCK2M
14
RESETOUT1
16
VDD
17
VDD
IC8
5
3
1
D3.3V
G1 G2 G3 G4 G5 G6 G7
H1 H2 H3 H4 H5
R25
47K
D3.3V
SW144_2
S1
SW145_2
S2
SW146_2
S3
SW143_2
S4
VOUT
V5
R7
470
D1
D12
C12
Z0.1
C11
Z4.7
D9
AREACOAD3
R107
0
J3
NC
J4
R132
47K
A12
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
KEYIN6
KEYIN5
KEYIN3 KEYIN4 KEYIN2 KEYIN1 KEYIN0
WEN REN
INTN
RxD
SCLK
TxEN
BUSY
RxRDY
AD2
AD3
AD4
KEY
OUT6
KEY
OUT7
KEYIN4 KEYIN5 KEYIN6
KEY
OUT7
KEY
OUT6
KEY
OUT5
KEYIN3 KEYIN4 KEYIN5 KEYIN6
KEYOUT4
KEYOUT3
KEYOUT1
KEYOUT0
KEYIN3
KEYOUT5
RxRDY
BUSY
OPDET
SCLK
RxD
TxD
TxEN
OSX
OSR
OSYNC
OCK2M
RESETOUT1
AD5
AD6
KEYIN7
AD0
AD1
KEY
OUT0
KEY
OUT1
KEY
OUT2
KEY
OUT3
KEY
OUT4
KEY
OUT5
KEYIN1 KEYIN2
KEYOUT7
KEYOUT6
KEYIN0
KEYOUT2
KEYIN7
TxD
T
O
SIDE OPTION
TO LCD
(1)
(3)