Panasonic KX-TG9120FXS Service Manual page 71

R30
(1)
82
3.3V
+3.3V
10.368MHz
2.5V
0V
25
26
27
28
29
30
31
32
33
(2)
(3)
ANT_2
L10
2.2n
A_2
Q10
+2.5V
RSSI
CLK
R105
R104
RFCLK
NC
NC
LE
SK
+2.5V +1.8V +3.3V
SP-
16
*LSR GPO8/PAOUTm
15
LSRp VDDPA
14
MICh GPO9/PAOUTp
13
IC8
*MIC AVD1
TAMIC_CSn
12
VREFm SPI_EN
11
Fin
VBUF SPI_CLK
10
MICp SPI_DO
9
VREFp SPI_DI
R82
100k
Beep/Bell signal
KX-TG9120FX
ANT_1
L11
RF Module
2.2n
R107
R108
NC
NC
L7
33n
C122
A_1
ANT
NC
1 26
GND1 GND14
2 25
ANT2 GND13
3 24
VCCPA GND12
4 23
GND2 GND11
5 22
GND3 IC10 GND10
6 21
VCC_OC ANT1
7 20
GND4 *RESET
8 19
RSSI GND9
9 18
SYRI TXDA
10 17
GND5 GND8
RX DATA
+3.3V +3.3V
R85
1
2
R87
2.2k 3
1k
Q11 +2.5V
RDY
TAM_RSTn
SP+
+3.3V
TAM_CSn
SPICLK
SPIDO
SPICLK
SPIDI SPIDI R91
SPIDO
330
R120
Q13
270
3
ANSWER_ON
2
1
R119
Q12
3
220
MESSAGE
2
1
R93 0
KEY1
R94 0
KEY0
R95
ROW2
ROW1 0
ROW0
R96
0
R97 0
NC: No Components
SCHEMATIC DIAGRAM (Base Unit_Main)
71
KX-TG9120FXS/KX-TGA910FXS
TX DATA
R112
RESET
1k
R111
TDO
100
SIO
IC9
1 28
RDY/*BUSY NC19
2 27
*RESET NC18
3 26
*WP NC17
4 25
NC1 NC16
5 24
NC2 NC15
6 23
VCC NC14
7 22
GND NC13
8 21
NC3 NC12
9 20
NC4 NC11
10 19
NC5 NC10
11 18
*CS NC9
12 17
SCK NC8
13 16
SI NC7
14 15
SO NC6
FLASH MEMORY
CN5
+2.5V
CN6
Flat-cable
CN5-5
GND
CN5-4
LED2
R101
CN6-5
VDD
10
CN6-4
LED1
D13
CN6-3
KEY1
2 1
CN6-2
KEY0
2 1
D14 CN6-1
ROW2
CN5-2
ROW1
CN5-1
ROW0
R113
CN5-3
GND
NC