Schematic Diagram (Base Unit_Main) - Panasonic KX-TG8041RUM Service Manual

KX-TG8041RU/KX-TGA800RU

13.2. Schematic Diagram (Base Unit_Main)

ANT1_TP
ANT_1
GND
GND
ANT1
GND
GND
GND
TX_RF
Bell signal/Beep
SP+
+
-
SP-
GND
C204
GND
C205
MIC+
MIC
MIC-
NC: No Components
ANT2_TP
ANT_2
GND
GND
ANT2
Pow_Adj
GND
GND
L104 15n
GND
GND
RX_RF
GND
1
*CE
2
*WP SO *HOLD
3
*WP SCK
4
VSS
*IC421
GND
GND
+1.8V
L201
TAM_EN
+3.0V
L202 TAM_RESET
+1.8V
R202
1k
GND
GND
SPI2_DO
+1.8V
GPIO0
17
100n
GPIO1
18
VDD2
VDDIO1
19 IC201
VDDIO2
20
100n GPIO2
GPIO7/PCM_FSC
21 Fin
GPIO3
GPIO6/PCM_CLK
22
*RST GPIO5/PCM_DO
23
AVD2
24
PCM_DI
GND
GND
C213
C215 R208 C212
6.3 10u
100n 2.2k NC
GND
C217 R209
100n 2.2k
GND
Low_Rad
Pow_Adj
C
*Q101
B
NC
E
GND GND
3.0V
VDD4
CP_OUT1=3.0V
Hi
*R425
*C422 *Q421
100n
GND
GND
GND
8
VD D
*C424
7
NC
6
GND
5
SI
C428
NC
C427
NC
+1.8V C426
NC
GND
TAM_RESET
C218 NC
TAM_EN
C219 NC
SPI2_CLK
C220 NC
SPI2_DI
C221 NC
SPI2_DO
C222 NC
SPI2_CLK
GND
GND_C
SPI2_DI
+1.8V
CLK
GND
R203 100k
*PF
CLK
8
CLK
7
6
VDD1
PCM_FSC
5
PCM_CLK
4
PCM_DI
3
GND
PCM_DO
2
GPIO4/
1
GND
GND
GND
CN1-1
CN1-2
CN1-3
CN1-4
CN1-5
CN1-6
CN1-7
CN1-8
CN1-9
CN1-10
+3.0V
CN2-1
CN2-2
CN2-3
CN2-4
CN2-5
CN2-6
66
+3.0V
Low_Rad
LE
C425 1u
GND
C68
TAM_WP NC
270k
C60
GND
100n
TAM_WP
GND
CHARGE
CLK
ROW0
ROW1
SPI_CLK
ROW2
SPI_DO
ROW3
SPI_CLK
ROW4 R504
SPI_DO 0
GND
SPI_DI
C429 SPI_DI
SPI_DO
NC
SPI_DI
SPI_CLK
FLASH_CSn FLASH_CSn
FLASH_CSn SCL2
SDA2
KEY0
KEY1
KEY2
KEY3
LED1 KEY4
Q301
URX
LED2
UTX
Q302
UVCC
LED3
GND
*Q303
LED4
GND
*Q304
GND
R501 0
KEY5
R502 0
KEY4
RA502
KEY3
1 8
KEY2
2 7
KEY1
3 6
KEY0
4 5
GND GND GND GND GND GND
*R503 ROW4
0 ROW3
1 8
ROW2
2 7
ROW1
3 6
ROW0
4 5
RA501
0
GND GND GND GND GND
SK SIO TDO RDI
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
*R78 NC
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
R69 1k
(21)
R70 1k
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)