Panasonic KX-TG5571BXM Service Manual page 108

KX-TG5571BXM / KX-TGA550BXM
31 SCHEMATIC DIAGRAM (BASE UNIT_MAIN)
IC609
NC
17 16
NC
SO
18 15
NC
SI
19 14
NC
SCK
20 13
NC
CS
21 12
NC
NC
22 11
NC
NC
23 10
NC
NC
24 9
NC
NC
25 8
NC GND
26 7
NC
VCC
27 6
NC
NC
28 5
NC
NC
29 4
NC
NC
30 3
NC
WP
31 2
NC
RESET
32 1
NC RDY
IC601
FLASH_16M
FSO
14
15
NC SO
16 13
NC SI
12
17
NC BCLK
18 11
NC CS
10
19
NC NC
20 9
NC NC
21 8
NC NC
7
22
NC GND
23 6
NC VCC
5
24
NC NC
25 4
NC NC
3
26
NC WP
27 2
NC RESET
1
28
NC RDY
R601
NC
RDY
26.6ms
Power ON
(Reset)
RA500
1
3
5
7
100K
C611 NC
IC611
NC
8
1 A0
VCC
7
2 A1
WP
6
3 A2
SCL
5
4 VSS
SDA
C612 NC
NC: No Components
CON_EN
CON_EN
V_RF
(VPA)
V_RF
V_RF
RADIO_EN
RADIO_EN
PA_CONT
PA_CONT
SYN_LE2
SYN_LE2
SYN_OUT
SYN_OUT
SYN_DATA
SYN_DATA
SYN_CLK
SYN_CLK
SYN_LE1
SYN_LE1
TX_DATA
TX_DATA
RX_GAIN
RX_GAIN
RX_EN
RX_EN
TX_EN
TX_EN
SHCTRL
SHCTRL
RX_DATA
RX_DATA
RF_RESET
RF_RESET
RSSI
RSSI
OSC_IN
OSC_IN
ANT0 ANT0
FCLK
ANT0
FSI FCS
ANT1
GND
GND
R536
2.2K
FRST
Q535
RA501
8 7
6 5
4 3
2 1
4.7K
UTX
URX
DVCC
81 SEG11
82 SEG10
83 SEG9
84 SEG8
85 SEG7
86 SEG6
87 SEG5
88 SEG4
2
89 SEG3
4
90 COM2
6
91 COM1
8
92 UART_TX
93 UARTRX
94 INT0
95 NC
INT0
96 GND
97 VCC
98 SP_LED
99 FL_CLK
INT1
100
INT1
C503 K0.1
R592 NC
R594 NC
R593 NC
R523 39K C521 C3P
R521 1.8K
Q521
VCC
R535
1K
RST
RXI
BCK
TXO
X501
13.824MHz
R509 NC
50
VCCPLL
GNDPLL 49
VCCR 48
RSSI 47
VREFR 46
TXMOD 45
GNDR 44
MIP 43
MIN 42
IC501
VREF 41
HSMIN 40
HSMIP 39
GNDA 38
VCCA 37
LIN0 36
DCIN 35
LOUT0 34
HSSP 33
VCCPA 32
SPN 31
C505 NC
KIN1
KIN2
TAM
CDL
KIN5
KIN6
GND
R684 NC
R685 NC
R686 NC
R687 NC
3
S661 4
2
1
NC
to Operational P. C. B.
108
3.3V
PQLT3E3A-M
SP Phone TX
-45dBm/600Ω IN
42mVp-p
RSSI
Analog
VCCA 3.3V (DSP,MIC)
R459 C457
2.2K K0.022
R460 C458
C517 K0.1 2.2K K0.022
R517 NC
C518 10uF
C513 K0.1
C516
C514 NC 10u/6.3V
C515
K1.0
C120
K5600P
TX 940mVp-p
SP VCCPA 3.3V
R474 L472
SP
6.8u
1 SP Phone RX
1.4Vp-p 8Ω
R473 L471
(Vol. MAX)
6.8u
1
(1)
VCC 3.3V
(2)
(3)
(4)
(5)
MIP
MIC
MIN
(6)
R178 1K
(7)
R134 1K
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)