Panasonic KX-TG7120FXT Service Manual page 63

(1)
(2)
(3)
C C C
3.3V
+3.3V
Q10
C
C C
+2.5V
C
10.368MHz
2.5V
C
RSSI
0V
R104
RFCLK
(1005)
LE
SK
C C C
25
*LSR
26
LSRp
27
MICh
IC8
28
*MIC
29
VREFm
Fin
30
VBUF
31
MICp
32
VREFp
33
C
C
KX-TG7120FX
63
KX-TG7120BXS/KX-TG7120BXT/KX-TGA711CXS/KX-TGA711CXT
ANT_2
L10
2.2n
C
R107
NC
C
ANT
C122
A_2
C
1
GND1
2
C C ANT2
3
VCCPA
4
GND2
IC10
5
GND3
6
VCC_OC
RF Module
C C
7
GND4
8
RSSI
9
SYRI
10
C C
GND5
CLK
R105
NC NC
(1005)
C C
C C
C C
+3.3V
C
R85
2.2k
+2.5V +1.8V +3.3V
(1005)
C
RDY
TAM_RSTn
C
SP - SP +
C
16
GPO8/PAOUTm
15
VDDPA
14
GPO9/PAOUTp
TAM_CSn
13
AVD1
SPICLK
TAMIC_CSn
12
SPI_EN
SPICLK SPIDO
11
SPI_CLK
SPIDI SPIDI
10
SPI_DO
SPIDO
9
SPI_DI
C
C
ANSWER_ON
100k
R82
Q12
MESSAGE
2
C
R93
KEY1
0
KEY0
ROW2
ROW1
ROW0
C C
SCHEMATIC DIAGRAM (Base Unit_Main)
ANT_1
L11
2.2n
C
R108
NC
L7
33n C
A_1
NC
C
26
GND14
25
GND13
24
GND12
23
GND11
TX DATA
22
GND10
21
ANT1
R112
RESET
20
*RESET
1k
19
GND9 (1005)
18
TXDA
C C
17
GND8
R111
TDO
100
(1005)
C C C
SIO
C
C C
C
RX DATA
+3.3V
Q11
1
2
3
R87
+2.5V
IC9
C C
1
RDY/*BUSY NC19
2
*RESET NC18
3
*WP NC17
4
+3.3V
NC1 NC16
5
NC2 NC15
C
6
VCC NC14
7
GND NC13
8
NC3 NC12
9
NC4 NC11
10
C C C C
NC5 NC10
11
*CS NC9
12
SCK NC8
13
SI NC7
R91 14
SO NC6
330
FLASH MEMORY
C C
R120
270
3
2
CN5
1
Q13
+2.5V
CN6
R119 C
Flat-cable
3
330
CN5-5
1
GND
CN5-4
C
LED2
R101 CN6-5
C
CN6-4
10
(1005)
R94
CN6-3
D13
0
(1005)
2 1
CN6-2
R95 D14
2 1
0
CN6-1
(1005)
5
R96
CN5-2
ROW1
0
(1005)
CN5-1
ROW0
R97 0 R113 CN5-3
(1005)
GND
C C C C NC
(1005)
for TG7120/8120
NC: No Components
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VDD
LED1
KEY1
KEY0
ROW2