Panasonic KX-TG6700B Service Manual page 93

(1)
IC331
(2)
VOUT VIN
5 4
NC2 VDET
6 3
GND *RESET
7 2
CD NC1
4.2V CONVERTOR
8 1
(3)
(4)
(5)
(6)
(7)
(8)
R183 2.2k C185 R185 33k
(9)
K0.018
C183 NC
(10)
(11)
(12)
(13)
(14)
(15)
(16)
4.5V CONVERTOR
4.5V
L300 22uH
IC321
NC
CE
3 4 IC300
VSS
1
2 ON/*OFF
VIN
VOUT
VIN 2
1 5
VSS
3
VOUT
EXT
DCDC_IC
4.2V
C173 NC
R172 100k
C172
K2700P(50V)
2
1
3
1 3
Q161
2
Q171
R162
C174 C167
R167 C163
R164
39k
1k
NC K0.22 47 K4700P(50V)
Q300
5
4
R365 1k
Q361
2
1
R364 10k
3
R362
47k
3
1
2
Q362
Q141
PC141
Q151
1 4
NC
2
1
3
2 3
Q142
Q145
R121 390k C121 K680P(50V)
R122 390k C122 K680P(50V)
R151 NC
IC151
R158 R157 R154 47k
1 8
AOUT V+
100k 3.9k
R155 27k
2 7
A-IN BOUT
3 6
A+IN B-IN
4 5
GND B+IN
Q156
R137 10k
Q136
KX-TG6700/6702 SCHEMATIC DIAGRAM (Base Unit_Main (Line 1))
93
KX-TG6700B/KX-TG6702B/KX-TGA670B
TX
RX
REFERENCE
1XX : TEL LINE
3XX : POWER, CHARGE
4XX : RESET, MIC, SP
5XX : DSP, RF I/F
6XX : FLASH, KEY, LCD
7XX : RF(2.4G)
CHARGE PAD
8XX : RF(5.8G)
CHARGE+
L361
R361
6.8u
3.3k D301 NC
CHARGE-
2 1
L371
NC
R342 47k
3
1
2
Q340
C101
680p(3216)
L101 33u
3 2
4 1
D101
L102 33u
C102 680p(3216)
RX
(MIC Mute ON)
-25dBm/600Ω
IN 100mVp-p
-35dBm/600Ω
C151
NC
IN 30mVp-p
TX
-15.5dBm
OUT
370mVp-p
1
2
PC111
NC: No Components
6~10V
DCP DCP2
1
2
CN301
DCM DCM2
L1T
L2R
1
L1T
2
L1R
3
L2T
4
CN101
P101 22
L1R
4
3