Panasonic KX-TCD410SLS Service Manual page 89

(1)
N.M.
Q4
N.M.
R11
N.M.
(2)
(3)
(4)
(5)
(6)
+2.65V DC
+2.65V
TP187
6.3V10
(7)
(8)
(9)
33 PX.0
34 PX.1
35 PX.2
36 PX.3
(10) 37 VDD
38 VSS
39 SUPEEP
(11)
40 I2DAT
41 I2CLK
(12)
42 MODE
VBACK
43 R2
R33
(13)
44 R1
45
NC
46
47
48 VDD
(14)
(15)
ON-HOOK: 0V
OFF-HOOK: about DC 9.8V
TP50
R12
0
D3
C8
R13
NC
N.M.
Q5
R14
N.M.
C9
N.M.
R15
N.M.
C12
K0.47
C21
D10P
R32
56
TX-AF
Q8
D5
FREQ 10.368MHZ
1V
VSSO 16
VDDPM 15
RESETQ 14
VSS 13
VDD 12
(7725:R33 N.M./R52 0ohm)
SYRI 11
(7795:R33 1K/R52 N.M.)
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
10K
S1
3 4
R58
2 1
ON-HOOK: 0V
OFF-HOOK: about DC 3.9V
R25
D6 390
N.M.
C79
Q6
N.M.
N.M.
Q7
R27
R18 R21 C13 C80
3.9K 100K
K1.0 0
C14
K0.22
NC
R55
RX-AF
+2.65V
N.M.
C54
R66
39
R67
39
TP188
TX-DATA
R38 33
RX-DATA
KX-TCD410SLS SCHEMATIC DIAGRAM (BASE UNIT)
VBACK +2.65V
J101
1
J102
1
J103
1
'SDA'
J104
'SCL'
1
J105
1
C58
DA1
C6P C2P
N.M.
C83
1
GND GND 28
2
GND VCC_PA 27
3 GND GND 26
4 PAON 25
TXDA
5 RSSI PSEL 24
6 VCC_OC GND 23
IC3
7 GND GND 22
8 SYCL GND 21
9 SYDA RXDA 20
10 SYEN GND 19
11 GND GND 18
TP1
L1 4.7u
10.368MHZ burst
peak
+3.1V
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