Schematic Diagram (Base Unit_Main) - Panasonic KX-TG6440PK Service Manual

KX-TG6440PK/KX-TGA641S/KX-TGA641T/KX-TGA740B

14.2. Schematic Diagram (Base Unit_Main)

RF Interface
V_PA
V_PA
V_PA
(VPA)
V_RF V_RF
3.0V
BCLK
BCLK BCLK
R521 NC
SYN_OUT SYN_OUT
SYN_EN SYN_EN
SYN_CLK SYN_CLK
SYN_DATA SYN_DATA
SLOT_CTRL SLOT_CTRL
RADIO_EN RADIO_EN
RX_DATA RX_DATA
TXO
TX_DATA TX_DATA
RF_RSTN RF_RSTN
DVCC DVCC
ANT1-H
ANT1 ANT1
ANT2
ANT2-H
ANT2
GND GND ANT2_GND
ANT1_GND
FLASH
IC601
R603
1 8
SI SO
NC
2 7
SCK GND
3 6
*RESET VCC
4 5
*CS *WP
16M FLASH
R602 NC
C611 NC
IC611
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
VSS SDA
NC
C612 NC
EEPROM
WBX02
5pin
NC: No Components
3.0V
L382 NC
C521
0.1u
SYN_OUT
SYN_EN
SYN_CLK
SYN_DATA
SLOT_CTRL
RADIO_EN
RX_DATA
RXI
TX_DATA
RF_RSTN
ANT1
3.3V
ANT2
23
C501
DVCC
0.1u GND2
26
VCC1
27
SYN_EN
28
SYN_CLK
29
SYN_DATA
30
NC8
31
NC9
P15
32
FCCP15
33
RX_DATA
34
NC10
35
NC11
36
NC12
37
RF_RSTN
38
NC13
39
NC14
40
NC15
41
EROM_DATA
42
EROM_CLK
43
EROM_WP
45
44
F_SYNC
45
C503
GND3
0.1u
46
VCC2
47
INT0
INT0
48
FLASH_SCK
49
NC16
50
KEY_GND
WBX01
10pin
Operation unit interface
3.3V
VCC
RST
X501
13.824MHz
1M
R509
SPN
100
VCCPA
99
NC(HSOUT)
98
LOUT0
97
LIN0
96
VCCA
95
HSMIP
94
HSMIN
93
GNDA
92
IN
91
DCIN2
90
IC501 CID_INN
89
CID_INP
88
VREF
87
DCIN1
86
PDN
85
GND5
84
MSG_LED
83
UART_RX
82
UART_TX
81
SDA
80
SCL
79
BANK2
78
INT1
77
ANS_LED_1
76
INT1
SW662
2 1
NC
84
IC321
2
VOUT1
INPUT
4
VOUT2
ADJ
1
L478
NC
L479
NC
C457
RA452
0.033u
2.7k
3 2
4 1
C458
0.033u
HSOUT
C120
1000p
C519 NC
C516 10u UVCC
R533 4.7k
C515
K1.0u
URX
UTX
R591 NC
UGND
R592 NC
R594 NC
R593 NC
(for FLASH BOOT)
RA501
4 5
3 6
2 7
1 8
4.7k
28ms
Power ON
(Reset)
(1)
3
(2)
(3)
(4)
SPP
SPN
(5)
(6)
MIP
WBX03
2pin
MIN
R178
(7)
1k
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)