Panasonic KX-TG6700B Service Manual page 101

2.7V
(1)
(2)
R227 100k
(3)
R225 1k
(4)
(5)
(6)
C208
6.3V 10uF
R208 10
C303 1uF
(7)
C304 NC
C226
K0.1
R205
R206
R207
R209
UART
(8)
R243 270k
2
1
3
Q243
C373 330uF 16V
C372
(9)
(10)
(11)
R331 10k
R333
PDN
NC
NC
NC
R317
100k
RX
TX
3.1V
D373 L373 10uH
2 1
K1.0
BATTP
Q373
IC373
3
1 5 1
EXT
2
BATTM
VOUT
2
VDD
3 4
VSS
ON/*OFF
3.1V
L327 470nH
L326 470nH
Q331
3
1
C335
2
22uF 6.3
C333 K6800P
1k
R314 C314
R334 2.2k 2.2k K0.018
C315
R315 2.2k
K0.018
R318 2.2k
100
IC371
ON/OFF
VDOUT
4 3
VSS
R374
2
VIN
VOUT
5 1
2.7V/D2.2V
VBAT2 VBAT1
D361
R370 1.2
2 1
VSS2 VSS1
C
B
E
Q363
KX-TGA670 SCHEMATIC DIAGRAM (Handset_Main)
101
KX-TG6700B/KX-TG6702B/KX-TGA670B
SP phone RX
(MIC Mute ON)
+
-
(Vol. MAX)
1.4Vp-p/8Ω
Headset TX
-44dBm/600Ω IN
CN331
14mVp-p
HEADSET_JACK
L331
1
1
2
L332
3
4
5
L334
150Ω
Headset RX
200mVp-p/150Ω
SPP
(Vol. MAX)
R323 22
Handset RX
+
620mVp-p/150Ω
-
(Vol. MAX)
R324 22
SPM
MICM
47
2
1
MIC
47
MICP
Handset TX
-40dBm/600Ω IN
IC374
2.0V_Reset
220k
1 4
OUT
VSS
2 3
VDD
NC
R368 NC
R367 NC
2.3~2.9V
R366 1k
L351
Q361
R361 47k
L352
R363 47k
R230 NC
3
1
3
R231 22k
1
Q362 2
2
Q231
NC: No Components
Handset TX
SP phone TX
NC
CHG1
NC
CHG2