Schematic Diagram (Handset) - Panasonic KX-TCA181RUT Service Manual

KX-TCD815RUS / KX-TCD815RUT / KX-TCA181RUS / KX-TCA181RUT

34 SCHEMATIC DIAGRAM (HANDSET)

+BAT
BAT
F1
BATTERY+
AG
BATTERY-
R47
5.6K
R46
5.6K
TP18
L6
CHARGE+ L4
22nH
C129D5p
L7
22nH
Q5
L5
CHARGE-
R72
1K
C135 D5p
TP17
D6
+3.3V
R20 1K
UTX
R21 1K
URX
R63 10K
GND
R64 10K
R60
JTAG
1K
+3.3V
+4.0V
R90 0
VLED
8
C108 K1u
TXD
7
RXD
6
SD
5
+3.3V1
AGND
4
R18
VCC
3
100K
NC
2
GND
1
CN9
kEY_BL
1
1ROW0
2
1ROW1
3
1ROW2
4
5
RA2
6
8 1 COL3
7 2 COL4
7
6 3 COL2
5 4
8
COL1
1000
COL3
9
RA1
10
8 1 COL0 COL5
7 2 COL7
11
6 3 COL6 COL6
5 4
12
COL5 COL7
1000
COL4
13 +3.3V1 +3.3V
R201 0
14
C130
( )
R202
TP16
15
0
( )
R12
C132
16
39K
+4.0V
Q18
Q10
R65
NC : No Components
TALK (Back light OFF) : 3.65V
TP10
+4.0V
D1
L1 22uH
D
Q1
R57 68
G
S
D7
Q4
Q9
1sec
When on charge
IC3 +3.3V1
1 8
VCC
1A
2 7
1B 1Y
3 6
2Y 2B
4 5
GND
2A
SW1
1 4
PUSH
2 5
3 6
Key-BL
P3[6]
P3[4]
ROW0
0
TP12
R62 0
+1.8V
+3.3V
TP11
Q3 Q2
R4
15K
Q19
R153
10K
115kHz (TALK mode)
25mV p-p
0.7V
0V
SIO
39 SO
SK
40 SK
41 DAC/ADC2
42 P3[6]/PD6
RD
43 RDN
WR
44 WRN
MI/READY
45 MI/READY
46 SCLK
47 UTX/P0[0]
48 URX/P0[1]
49 JTIO/P0[2]
COL4
50 PCM_FSC1/P0[3]
COL3
51 PCM_FSC0/P0[4]
+3.3V
COL2
52 PCM_CLK/P0[5]
COL1
53 PCM_DOUT/P0[6]
COL0
54 PCM_DIN/P0[7]
55 VDDIO-55
K0.1u
56 VSS-56
57 DREQ0n/INT0n/P1[0]
58 DACK0n/INT1n/P1[1]
CE_SRAM
59 ACS1/DREQ1n/INT2n/P1[2]
CE_FLASH
60 ACS0
ACS2
61 ACS2/DACK1n/INT3n/P1[3]
62 HOLDn/INT4n/P1[4]
63 VDDE/HOLDACKn/INT5n/P1[5]
UB
64 BE1n
+3.3V
+1.8V
LB
90
SP-Phone
ON: 3.3V
OFF: 0V
+4.0V
IC2
1 8
CD VOUT2
C86 K1u
2 7
C15 K1u
+VREF GND
C80 K2.2u
C16 K0.1u 3 6
+VIN V+
C13 R35
21-25
4 5
-VIN VOUT1
K0.1u 27K
R36 47K
C38 K470p
.SP-Phone
C77 D10p
RX_AF
R55 39
REV_TEST2
.Beep/Ringer
1.5V DC Suply
R56 39
REV_TEST1
to MIC TX_AF
R29
R25 330
2.2K
TP19
R37
1
C10 33
100
R26
2
K0.1u
R38
33
TP20
C6 NC
( )
X1
C7
D10p
10.368MHz
R19 3.3M
+1.8V
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
RSTn
IC1
VREF+/CIDIN+
MIC+
BBIC
AGND
VBUF
VREF-
100: DC_Sense
MIC-
101: AVS_sense
VREF_HS/CIDOUT
102: ADC3
LSR_HS/CIDIN-
LSR-/REF
LSR+/REF
AVD2
AVS2
VBAT1
VBAT2
LDO2_CTRL
LDO1_CTRL
LDO1_Sense
C127 NC
C128 NC
SP_TEST2
SP_TEST1
(1)
(2)
(3)
(4)
MIC
R50
10K
HSMIC(+)
(5)
HSMIC(-)
(6)
(7)
(8)
(9)
(10)
+3.3V
(11)
A7
128
A6
127
A5
126
A4
125
A3
124
A2
123
A1
122
(12)
121
C8
120
(13)
K0.22u
119
118 (14)
117 C37 K0.068u
C68 K0.068u
116
115
C91
(15)
114
+1.8V
113 D10p
(16)
112
(17)
111
110 C23 K0.1u
(18)
109
108 R8 5.6
(19)
107
C61 K0.1u
106
(20)
C72
105
( )
(21)
104
103
(22)
(23)
( )
( )
(24)
(25)
(26)
(27)
(28)
USB
Use: 0V
(29)
No-use: 3.3V
(30)