Panasonic KX-FC379CX Service Manual page 249

KX-FC379CX
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
CHARGE_DET
(17)
81 RF_RESET
82 CHARGE_CNT
(18)
83 KEYIN_5
(19)
84 KEYIN_4
(20)
85 KEYIN_3
(21)
86 KEYIN_2
(22)
87 KEYIN_1
(23)
88 KEY_LIGHT
(24)
89 LCD_BACK_LIGHT
90 NC
(25)
91 KEYSTROBE_E
(26)
92 KEYSTROBE_D
(27)
93 KEYSTROBE_C
(28)
94 KEYSTROBE_B
(29)
95 KEYSTROBE_A
(30)
96 GND
(31)
97 VCC
98 NC
(32)
99 FLASH_SCK
(33)
100 INT_1
(34)
(35)
(36)
(37)
(38)
(39)
(40)
(41)
(42)
(43)
(44)
(45)
(46)
(47)
(48)
(49)
(50)
(51)
R223
R224
(52)
TXO BCK
C312 K0.1
L202 NC
R276 560
L203 NC
PDN
RST
RXI
VCCPLL
GNDPLL
VCCR
RSSI
VREFR
TXMOD
GNDR
MIP
IC201
MIN
100-13/AGPIO0-AGPIO13 VREF
HSMIN
16-27/EGPIO4-EGPIO15
HSMIP
56-71/BGPIO0-BGPIO15
GNDA
80-95/DGPIO15-DGPIO0
VCCA
98-99/CGPIO12-CGPIO13
LIN0
DCIN0
LOUT0
HSSPOUT
VCCPA
SPOUTN
GNDPA
Q213
R220
270K
1K
Q208
10K
3.0V
VRF
RSSI
R286
39K
Q204
VCC
3.0V
X201
13.824MHz
R295 NC
R242 22K R241 18K
R222 1K
6V22
C216
C303 10
50
C214 K0.1
49
48
C302 NC
47
46
45
C217 K1.0
44
43
C301 NC
42
41
40
C308 K1.0
39
38
C231
37
36
R230 1K
35
K0.01
34
33
32
31
RX
TX
3.0V
VBAT
IC203
VBAT
1 2
OUT IN
BATTP
GND
3
3.0V REG
BATTM
KX-FC379CX: HANDSET SCHEMATIC DIAGRAM
248
MICM
RA205 CA201
1K K0.01
1 2 1 2
3 4 3 4
MICP
R245
10K R247 390
CHARGE
Q207
R248
22K
IC208
NC
3.2V RESET
POWERDOWN
OUT
RESET
3
NC
Q205
R236 C234
OUT
22K K0.1
3
NC
IC205
3.2V RESET
R268 1K
R269 1K
2
VBAT2
R270 1K
1
Q212
Q210
Q209
VSS VSS2
-45dBm
MIC
VDD
1 2
4
GND
VDD
1 2
4
GND
D213
L207
3
CHG1
D208 D207
D205 D206
CHG2
L208