Panasonic KX-TCD300FXS Service Manual page 109

(1)
(2)
25mV p-p
C7
10P
0.7V
0V
(3)
+1.8V
(4)
39 SO
40 SK
(5) 41 DAC/ADC2
42 P3[6]/PD6
43 RDN
44 WRN
45 MI/READY
46 SCLK
47 UTX/P0[0]
48 URX/P0[1]
49 JTIO/P0[2]
50 PCM_FSC1/P0[3]
51 PCM_FSC0/P0[4]
52 PCM_CLK/P0[5] 66:SCL2/P3[0]
(6)
53 PCM_DOUT/P0[6]
65:BE0n
54 PCM_DIN/P0[7]
55 VDDIO
56 VSS
57 DREQ0n/INT0n/P1[0]
58 DACK0n/INT1n/P1[1]
59 ACS1/DREQ1n/INT2n/P1[2]
60 ACS0
61 ACS2/DACK1n/INT3n/P1[3]
(7)
62 HOLDn/INT4n/P1[4]
63 VDDE/HOLDACKn/INT5n/P1[5]
64 BE1n
(8)
(9)
(10)
(11)
(12)
+2.5V
VLCD
C59
K1.0
10.368MHz
2.5V
0V
RSSI
C6
NC
X1
10.368MHz
RFCLK
R19
NC
128
AD7
127
AD6
126
AD5
125
AD4
124
AD3
123
AD2
122
AD1
121
AD0
120
RSTn
119
VREF+/CIDIN+
118
MIC+
117
AGND
116
VBUF
IC1
105:LDO2_CTRL 115
VREF-
104:LDO1_CTRL 114
MIC-
103:LDO1_sense
113
VREF_HS/CIDOUT
112
LSR_HS/CIDIN-
111
LSR-/REF
110
LSR+/REF
109
AVD2
108
AVS2
107
VBAT1
106
VBAT2
105
104
103
C18
K1000P
R12
39K
C127
C128
NC
(1005)
CN5
For1.4Inch
L6
(2125)
KX-TCD300FXS / KX-TCD300FXT / KX-TCA130FXS / KX-TCA130FXT
BATTERY
A201
+2.5V
1 GND
2 ANT2
3 VCCPA
4 GND
5 GND
6 VCC_OC
R121
7 GND
8 RSSI
0
(1005)
CLK
R127
0
(1005)
R123
LE
0
(1005)
R125
SK
0
(1005)
+2.5V
1.5V DC supply to MIC
A7
A6
A5
A4
A3
A2
A1
R95 10K
C8 K0.22
C68 K0.068
TX_AF
C37 K0.068
C91 D10P
SP-phone RX Signal
Beep
C23
K0.1
LDO2_CTRL
LDO1_CTRL
LDO1_sense
C13
R80
10 K0.1
+1.8V
TP16
S1
CD_AMP
POWER
(1005)
NC
RX_AF
(Handset)
+5.1V
LCD BACKLIGHT
+3.65V
R134
LED+
47
R135
LED+
47
LED-
100u
R117
Q16
1K
KX-TCA130FXS/FXT SCHEMATIC DIAGRAM (HANDSET)
109
R75
RESET
GND 24 1k
GND 23 (1005)
GND
22
CN6 TX DATA
ANT1 21
RFmodule RESET 20
R131
GND 19
TXDA 18
GND
17 0
(1005)
R129
0
(1005)
RX DATA
R25
R29
330 2.2K
TP22
R26 C10 R37
100
K0.1 33
R38
33
TP23
+3.65V
C77
D10P
C38
K470P
R35 R36
27K 47K
VIN VO1
4 5
D8
FC1 VCC
3 6
FC2 GND
2 7
CD VO2
1 8
IC2
SP-phone
SPEAKER
ON: 2.5V
OFF: 0V
REV_TEST1
-
REV_TEST2
NC : No Components
TDO
SIO
MIC
SP_TEST1
+
-
SP_TEST2