Panasonic KX-TG5671BXS Service Manual page 95

4.0V
(1)
IC331
(2)
VOUT VIN
5
NC2 VDET
6
GND *RESET
7
CD NC1
8
(3)
RX
125mVp-p
(4)
C173 NC
R172 100k
C172
K2700P(50V)
3
1
2
Q171
C174
(5)
NC
(6)
(7)
R154
(8)
1k
(9)
(10)
R183 2.2k C185 R185
(11)
K0.018 33k
C183 NC
(12)
(13)
(14)
(15)
4.0V CONVERTOR
Q300
L300 22uH
4
3
2
1
IC300
1 ON/*OFF 5
VIN
2
VSS
3 VOUT 4
EXT
DCDC_IC
RX TX
11mVp-p 800mVp-p
2
1
3
Q161
Q156
NC
R162
2
C167 R167 R164 C163 1
39k
3
K0.22 1k 47 K4700P(50V)
TX
82mVp-p
R365 1k Q361
R361
2
1
R364 10k
3 3.3k
R362
3 47k
1
2
Q362
L371
NC
R342 47k
Q143
NC
Q141
C141 NC
R141 100k
680p(3216)
2
1
3
3
Q142
4
680p(3216)
R121 390k C121 K680P(50V)
R122 390k
C122 K680P(50V)
3
2
KX-TG5671BX SCHEMATIC DIAGRAM (Base Unit_Main)
95
KX-TG5671BXS / KX-TGA560BXS
REFERENCE
1XX : TEL LINE
3XX : POWER, CHARGE
4XX : RESET, MIC, SP
5XX : DSP, RF I/F
6XX : FLASH, KEY, LCD
7XX : RF(2.4G)
8XX : RF(5.8G)
11~13V
CHARGE PAD
CHARGE+
DCP DCP2
D301
CHARGE-
2 1 2
1
CN301
DCM DCM2
3
1
2
Q340
C101
L1T
L101 33u
CN101
2
1
2
1
D101
L102 33u
TEL JACK
C102
P101 22
L1R
TEST SIGNAL
FREQUENCY
1kHz
RX
(MIC Mute: ON)
-25dBm/600Ω
Q111
1 IN 100mVp-p
TX
-10dBm/600Ω
OUT
700mVp-p
NC: No Components