Panasonic KX-T7630 Service Manual page 41

(1)
1/4 3/4
6
VDD
2/4 4/4
7
VDD
8
VSS
9
VSS2
10
VSS2
C1
Z2.2
11
VOUT
VOUT
12
CAP3-
TO LCD
C2
Z2.2
13
CAP1+
C3
Z2.2
14
CAP1-
15
CAP2-
C4
Z2.2
16
CAP2+
17
V1
18
V2
19
V3
20
V4
21
V5
S1 S2 S3
SW144_2 SW145_2 SW146_2
SW144 SW145 SW146
S4
SW143_2
SW143
4 1
SW141 SW142
5 2 CONF FWD
SW133 SW134 SW135 SW136
6 3 CO1 CO2
SW125 SW126 SW127 SW128
7 * CO12 CO11
SW117 SW118 SW119 SW120
8 0 CO13 CO14
SW109 SW110 SW111 SW112
9 # CO19 CO20
SW101 SW102 SW103 SW104
DG
F1 F2 F3 F4
D3.3V
D3.3V
C10
IC8
Z0.1
5
1
C13
Z0.1
3
DG
DG
-1.2V
IC8
D1 C12
4 2
Z0.1
C11
Z4.7
DG
D3.3V
C14
Z0.1
DG
D6
PAUSE INTERCOM AUTO/ANSWER AUTO/STORE
D7
SW137 SW138 SW139 SW140
CO3 CO4 CO5 CO6
D8
SW129 SW130 SW131 SW132
CO10 CO9 CO8 CO7
SW121 SW122 SW123 SW124
CO15 CO16 CO17 CO18
D10 MODELCOAD2
SW113 SW114 SW115 SW116
CO21 CO22 CO23 CO24
D11
SW105 SW106 SW107 SW108
F5 F6 F7 F8
(2)(3) (4) (5)
D3.3V
IC1
3 Vin 2
NC
1
4 Vss
Vout
C17 Z0.01
DG
KEYOUT7
KEYOUT6
AREACOAD1
KEYOUT5
AREACOAD2
KEYOUT4
UP DOWN LEFT RIGHT
AREACOAD3
SW156 SW157 SW158 SW159
KEYOUT3
CANSEL(PROG) ENTER MESSAGE HOLD
D9
AREACOAD3
SW152 SW153 SW154 SW155
KEYOUT2
TRANS FLASH SPPHONE REDIAL
KEYOUT1
SW147 SW148 SW149 SW150
KEYOUT0
F9 F10 F11
(9) (11)
(6) (7)(8) (10)
C25
Z0.01
D3.3V
C26 Z0.01
C24
(3)
Z0.1
1 X1
2 X2
3 Vss
4 OSC2
5 OSC1
(1)
6 TEST
7 Vcc
DG
8 RES IC3
9 P20
10 SCK
11 P22
12 SO1
D3.3V
13 SCK3
14 RxD
R132 47K
15 TxD
16 P27
R8 47K
HOOKSW
SW160
D3.3V
DG
R25
47K
A12
A11 B7
F12
KX-T7630AL MAIN AND SUB BOARDS (2/4)
(13) (15)
(12) (14) (16) (17) (18)
AD6
AD5
AD4
48
P74
AD3
P73 47
AD2
P72 46
AD1
45
P71
(x)
AD0
44
P70
DB7
P67 43
DB6
42
P66
DB5
41
P65
DB4
P64 40
DB3
P63 39
DB2
38
P62
DB1
37
P61
DB0
P60 36
KEYIN7
35
P57
KEYIN6
34
P56
KEYIN5
P55 33
(y)
(z)
(A)