Schematic Diagram (Base Unit_Main) - Panasonic KX-TG3521BXB Service Manual

KX-TG3521BXB/KX-TG3521BXS/KX-TG3522BXB/KX-TG3522BXS/KX-TGA351BXB/KX-TGA351BXS

13.2. Schematic Diagram (Base Unit_Main)

RF Interface
V_PA
V_RF
PA_CONT
SYN_OUT
SYN_DATA
SYN_DATA
SYN_CLK
SYN_EN
TX_DATA
RX_GAIN
RX_EN
TX_EN
SH_CTRL
RX_DATA
RF_RSTN
RSSI
BCLK
GND
FRST FCLK FSI FCS FSO
NC
R604 NC
1 8
SI SO
R605 NC
2 7
SCK GND
3 6
*RESET VCC
4 5
*CS *WP
IC601
FLASH
R602 NC
C611 0.1
1 8
NC1 VCC
2 7
NC2 *WC
3 6
NC3 SCL
4 5
VSS SDA
C612
100p
IC611
EEPROM
NC: No Components
PA_CONT
SYN_OUT
SYN_CLK
SYN_EN
TX_DATA
RX_GAIN
RX_EN
TX_EN
SH_CTRL
RX2 RX1
RF_RSTN
BCLK2 BCLK
RSSI
R603 NC
C501
K0.1
DVCC
SYN_EN
C503
K0.1
INT0
VCC
C521
K0.1
RST
X501
13.824MHz
R509 NC
GND
26
VCCPA
VCC
27
SYN_EN NC(HSOUT)
28
LOUT0
SYN_CLK
29
SYN_DATA
30
RX_EN
31
CID_IN
TX_EN
32
CID_IN
RX_GAIN
33
RX_DATA
34
NC
35
NC
36
NC
37 IC501
NC
38
NC
39
NC
40
NC
41
EROM_DATA
42
MSG_LED
EROM_CLK
43
UART_RX
EROM_WP
44
UART_TX
NC
45
UCFG2
GND
46
UCFG1
VCC
47
INT0 BANK2
48
FLASH_SCK
49
ANS_LED
NC
50
KEY1
KEY2
KEYB
KEY3/TE
CN661
Operational P.C.board Interface
82
IC612
NC
5 VIN 1
VOUT
2
VSS
4 CE 3
NC
3 2
VIN
VOUT
VSS
1
IC301
3.3V
VCC
L473 NC
L472 NC
RSSI
R459 C457
NC NC
C513 K0.1
R460 C458
C514 10u
NC NC
NC
1 4
2 3
RA120
R517 0
SPN
100
C177 D10p
99
98
97
LIN0
96
VCCA
95
C518 10u
94
93
C517 K0.1
GNDA
92
NC
91
C516 10u
90
MIN
89
MIP
C515 K1.0 C120 1000p
88
VREF
87
DCIN1
86
*R134 1k
PDN
85
GND
R533 4.7k
84
83
82
81
80
79
R591 NC
78
INT1
77
R592 NC
76
R594 NC
INT1
R593 NC
(for FLASH BOOT)
4 5
3 6
2 7
1 8
RA501 4.7k
2 1
SW661
4.0V
(1)
(2)
(3)
(4)
SPP SPP2
+
-
(5)
(6)
SPN SPN2
(7)
MIP2
MIP
NC
1
(8)
2
MIN
MIN2
R178
(9)
1k
R154
(10)
1k
(11)
(12)
(13)
UVCC
URX2
URX
UTX
UTX2
UGND
(14)
(15)
(16)
28ms
Power ON
(Reset)