Panasonic KX-T7633 Service Manual page 52

(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-
C2
TO LCD
Z2.2
13
CAP1+
C3
Z2.2
14
CAP1-
15
CAP2-
C4
16 Z2.2
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 SW137
6 3 CO1 CO2
SW125 SW126 SW127 SW128 SW129
7 * CO12 CO11
SW117 SW118 SW119 SW120 SW121
8 0 CO13 CO14
SW109 SW110 SW111 SW112 SW113
9 # CO19 CO20
SW101 SW102 SW103 SW104 SW105
DG
F1 F2 F3 F4
D3.3V
D3.3V
IC8
5
1
C13
C10 Z0.1
Z0.1
3
DG
DG
IC8
C12
4
-1.2V
Z0.1
CN3
D3.3V
D1
16
VDD
17
VDD
C11
18
VDD
Z4.7
1
GND
DG 11
GND
13
GND
2
RxRDY
DG
3
BUSY
15
OPDET
4
SCLK
5
RxD
6
TxD
7
TxEN
8
OSX
9 R6
OSR
0
10
OSYNC
12
OCK2M
14
RESETOUT1
DG
D6
AREACOAD1
PAUSE INTERCOM AUTO/ANSWER AUTO/STORE
D7
AREACOAD2
SW138 SW139 SW140
CO3 CO4 CO5 CO6
D8
AREACOAD3
SW130 SW131 SW132
CO10 CO9 CO8 CO7
D9
AREACOAD3
SW122 SW123 SW124
CO15 CO16 CO17 CO18
D10 MODELCOAD2
SW114 SW115 SW116
CO21 CO22 CO23 CO24
D11
SW106 SW107 SW108
F5 F6 F7 F8
(2)(3) (4) (5)
D3.3V
IC1
3 Vin 2
NC
4 1
Vss
Vout
(1)
2
C17Z0.01
RxRDY
DG
BUSY
C14
Z0.1
SCLK
G7 G6 G5 G4 G3 G2 G1
RxD
RxRDY TxD
BUSY TxEN
OPDET
D3.3V
SCLK
RxD
TxD
TxEN
OSX
OSR
OSYNC
OCK2M
RESETOUT1
H5 H4 H3 H2 H1
KEYOUT7
KEYOUT6
KEYOUT5
UP DOWN LEFT RIGHT
KEYOUT4
SW156 SW157 SW158 SW159
KEYOUT3
CANSEL(PROG) ENTER MESSAGE HOLD
SW152 SW153 SW154 SW155
KEYOUT2
TRANS FLASH SPPHONE REDIAL
SW147 SW148 SW149 SW150
KEYOUT1
KEYOUT0
F9 F10 F11 F12
(12) (14) (16)
(6) (7) (8)(9)(10)(11) (13) (15) (17)
C24
Z0.1
(3)
1 X1
2 X2
3 Vss
4 OSC2
5 OSC1
6 TEST
7 Vcc
DG
IC3
8 RES
9 P20
10 SCK
11 P22
12 SO1
13 SCK3
14 RxD
15 TxD
16 P27
R132
47K
HOOKSW
SW160
R8
DG
47K
D3.3V
R25
47K
A12
A11 B7
(18)
(19) (20) (21)
AD6
AD5
AD4
48
P74
AD3
P73 47
AD2
P72 46
AD1
P71 45
AD0 (y)
44
P70
DB7
P67 43
DB6
P66 42
DB5
41
P65
DB4
P64 40
DB3
P63 39
DB2
P62 38
DB1
37
P61
DB0
P60 36
KEYIN7
P57 35
KEYIN6
34
P56
KEYIN5
P55 33
(z)
(A)
(B)
(D)
(E)
KX-T7633 / KX-T7633-B
MAIN AND SUB BOARDS (2/4)