Panasonic KX-TG2432B, Service Manual

Page: 23 / 30

KX-TG2431/2432 SCHEMATIC DIAGRAM (Base Unit_Main)
NC: No Components
1K R365
DCP
390 R375
100 R374
D362 R361 3.3K
Q361
R364 10K
Q372
NC
C301
8.2
R371
12
R372
CP
CM
CHRGE-
C342
K0.1
K0.047
C111
1K R167
Q161
L101 33uH
J100P
C162
3.9M
R132
C183 NC
390K R121
10M
R131
L1T
K680P(50V) C121
L1R
R163
33(1/2W)
C132
K0.01
100K R141
K0.22 C167
C173 NC
C101
680P(3216)
10K
R142
100K
R111
39K R162
D113
L102 33uH
100K
R112
Q171
K0.047
C112
C163
K4700P(50V)
R184
NC
47K
R145
NC C174
20V
D142
NC C141
R183 2.2K
P101 22
C165
K0.047
NC
C175
NC
C177
Q111
R161
750
C171
NC
10K
R113
R114
47K
C142
K0.01(50V)
NC
C182
R185 33K
R165
430
390K R122 K680P(50V) C122
R164 47
K0.68
C113
R166
NC
10K
R143
C172
K2700P(50V)
C371
K0.1
Q371
15
R373
6.8uH L361
6.8uH
L371 C361
K1000P
C102
680P(3216)
Q131
R136
1.3M
R137
47K
100K R172
R171
27
R175
560
R160
NC
R168
0
NC
C160
NC
R156
NC
Q156
NC
R157
R133
NC
SA102
NC
SA104
10u/6.3V
C373
NC
R151
NC D131
Q142
47K R342 12K
R340
Q340
1.8K
R341
R343
NC
NC
Q143
R176
100
C166
10u/16V
C303
K0.01
10u/25V
C161
Q141
C341
330u/6.3V
C185 K0.018
C178
K0.047
C184
K0.047
Q373
C306
100u/16V
3.3u L300
DCM
C305
K0.01
C343
K0.1
D301
SA103
NC
SA101
CN101
1 +6v
2 GND
4 T
3 R
D371
22V
D361
22V
C176
47u/6.3V
3.3V 2
OUT
3
GND
1
IN
RESET 2.7V
1
OUT
2
VDD
3
GND
4
NC
5
CD
Q362
D101
4
3 2
1
CIDP
CIDM
HOOK_RLY
BELL
CHG_CONT
CHG
HOOK_DCIN
VCC 3.3V
CHARGE PAD
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)
IC331
IC332
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(14)
(13)
(12)
(15)
TX
-10dBm/600
Ω
OUT
700mVp-p
TX
800mVp-p
TX
82mVp-p
RX
11mVp-p
RX
125mVp-p
7~10V
TEST SIGNAL
FREQUENCY
1kHz
RX
(MIC Mute: ON)
-25dBm/600
Ω
IN 100mVp-p
3.3V
23
KX-TG2431W / KX-TG2432W / KX-TG2432B / KX-TGA242W / KX-TGA242B