Panasonic KX-TCD410AXM Service Manual page 98

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R12
(15)
0
C8
N.M.
Q4
N.M.
R11
N.M.
(14)
(13)
(12)
(11)
(10)
+2.65V DC
+2.65V
TP187
(9)
(8)
(7)
33 PX.0
34 PX.1
35 PX.2
36 PX.3
(6)
(7725:R33 N.M./R52 0ohm)
37 VDD
(7795:R33 1K/R52 N.M.)
38 VSS
(5)
39 SUPEEP
40 I2DAT
(4)
41 I2CLK
VBACK
42 MODE
(3) R33
43 R2
44 R1
45
NC 46
47
48 VDD
(2)
(1)
S1
3 4
2
OV ON-HOOK
DC OFF-HOOK
+9.8V
TP50
Q6
R18
R21
R13
N.M. Q5
3.9K
100K
NC
R14
N.M.
C9
R55
N.M.
R15
NC
N.M.
C21
D10P
R32
56
TX-AF
Q8 D5
FREQ 10.368MHz
1V
+2.65V
VSSO 16
VDDPM 15
RESETQ 14
VSS 13
VDD 12
SYRI 11
PAON 10
IC2
TXDA 9
SYCL 8
SYDA 7
45:VBACK/P1.5 SYEN 6
46:VSS(DSPCLK) RXDA 5
47:P1.4(TONE) RXDSG 4
DRON 3
VSS 2
VDD 1
+2.65V
R58
10K
1
OV ON-HOOK
DC OFF-HOOK
+3.9V
R25
D6 150
N.M.
C79
N.M.
Q7
R27
C13 C80
K1.0 0
2.2K
RX-AF
Digitized in Heiloo, Holland
VBACK
C54 C6P
R66
39
R67
39
C83
N.M.
TP188
TX-DATA
R38
1
GND
33
2 GND
3
GND
4
TXDA
5 RSSI
6 VCC_OC
7 GND
8 SYCL
9 SYDA
10 SYEN
RX-DATA
11 GND
L1
4.7u
KX-TCD410AX SCHEMATIC DIAGRAM (BASE UNIT)
11/8/2014
+2.65V
J101
1
J102
1
J103
'SDA'
1
J104
'SCL'
1
J105
1
DA1
C58
C2P
28
GND
VCC_PA 27
26
GND
25
PAON
PSEL 24
GND 23
IC3
22
GND
21
GND
RXDA 20
GND 19
GND 18
TP1
10.368MHz burst
428µs
406µs
peak
+3.1V