Panasonic KX-TGA631CS, Service Manual

Page: 19 / 26

19
KX-TG6323CPK/KX-TGA631CS
*R364
*R365
*C361
*R361
6.8u
*L361
6.8uH *L371
K0.01
C305
120
R308
220
R304
220
R303
DCDC_IC
1
ON/*OFF
2
VSS
3 VOUT
5
VIN
4
EXT
22uH L300
C304
K1.0
P101 22
10k
R113
100k
R141
*C132
K0.01
K0.01
C142
560
R175
1k
R178
47k
R114
390k R121
390k R122
1k *R134
MIP
MIN
CHARGE-
C301
NC
NC
*R157
DCP2
DCM2
C111 0.047 C112 0.047
33u L101
33u
L102
0.68
C113
C162
NC
C173
K0.22
C308
K0.1
NC
C179
NC
C174
D101
4
3
1
2
1M
*R133
1k
R154
100
R176
1
NC1
2
*RESET
3
VDET
4
VIN
5
VOUT
6
NC2
7
GND
8
CD
NC
C167
SA103
300V
*SA102
300V
10u
C176
*SA101
NC
2
1
35
47u
C300
0.022u
C178
NC
R371
NC
*R156
NC
*C115
Q142
B
C
E
*D362
A
K
*Q361
B
E
C
C161
10u
2.2k
*RA451
1 2
3 4
NC
C141
C143
NC NC
R144
2.2k
R145
2.7k
R142
(3216)
NC
R155
NC
C164
NC
C160
27k
R165
100k
R161
C163
10p
47k
R162
NC
C166
NC C165
NC
C171
NC
R166
2.2u
C168
NC
C182
NC
C183
F301
3.0A
C101 680p
C102 680p
NC
*R115
6.3
330u
C341
16
100u
C306
DCP
DCM
L1T
L1R
0.1u
*C452
*Q156
NC
B
C
E
*D361
22V
AK
*Q362
B
C
E
D142
NC
AK
Q111
B
C
E
D113
AK
Q161
B
C
E
Q171
B
C
E
*D133
AK
D153
AK
0
*R362
C_DCP
C_DCM
*R372
6.8
NC
L372
NC *R373
470nH
*L362
C331 K0.47
100k
R172
K1.0
C342
K0.01
C152
10M
R151
D300
NC Q300
D301
390 R181 56 R182
C181
0.1u
27
(4532)
R167
22
R171
*MIC1
1
2
82
R160
12
R163
2.7k
R164
820
R168
C184
K1.0
1000p
C172
C169
NC
NC
C170
680p C121
680p C122
100k
R111
100k
R112
10M
*R131
NC *R363
D143
25V
*Q141
B
E C
3.3M
R152
10p
*C455
10p
*C454
NC
C456
VCCA
4.0V CONVERTOR
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)
CHARGE PAD
CID
Bell detection
Charge detection
RF_GND DIGITAL_GND
CHG electrostatic GND
SP electrostatic GND
NC
NC
NC
NC
NC
NC
NC
IC300
IC331
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
3.3V
4.0V
Test Signal
Frequency: 1kHz
Rx
(MIC Mute: ON)
-25dBm/600 IN
100mVp-p
Tx
-10dBm/600
700mVp-p
6.5~12V
TX
800mVp-p
RX
120mVp-p
KX-TG6323C SCHEMATIC DIAGRAM (Base Unit_Main)
NC: No Components