Panasonic KX-TGA931T

85
KX-TG9333PK/KX-TG9334PK//KX-TGA931T
*CN431
HEADSET_JACK
1
4
2
3
5
SPP
SPM
MICM
MICP
VBAT1 VBAT2
RX
TX
NCC436
NCC422
NCC432
2.2k*R434
NC*R431
1k*R433
NC L511
100kR509
33kR526
2.2MR377
270kR543
10R508
K0.1
C526
NCR505
NCR506
NCR507
PDN
NCC543
K0.1C544
NCC509
2.2MR379
K1.0C503
C508
10uF6.3V
C594 NC
L431 NC
L432 NC
*L434
390R417
1.0MR376 1.0MR378 K0.1C379 K0.1C377
K6800P*C433
SPPP SPPN
NC*R435
*C435
10uF
C417
10uF
6.3V
2.2k
RA402
1
23
4
D427
21
D426
21
D424
21
D423
21
MIC
1
2
1k
RA401
1
2
3
4
68
RA403
1
23
4
K6800P
C414
K6800P
C415
K5600PC416
D412
21
D413
21
NCC413
NCC411
NCC412
NCR532
K0.1C531
NCR354
BATTP
NCC243
220kR374
NCC354
2.0V_Reset
4
VSS
3
NC
1
OUT
2
VDD
47kR361
3.1V
1
VOUT
2
VDD
3
ON/*OFF
5
EXT
4
VSS
10k
R368
NCR531
NCC352
NCL352
1.2
R370
BATTN
NCL351
NC
R375
120
R367
VSS2
CHG1
K0.1C374
CHG2
47kR363
NCC351
NCD531
AK
33k
R369
K0.1C362
VSS1
100k*R437
1k*R436
5.6n
F301
Q531
B
C
E
Q361
B
E
C
560R362
3.3kR366
NCC353
Q362
B
C
E
NC
L412
NC
L413
Q364
B
C
E
RECEIVER
1
+
2
-
SP_PHONE
1
+
2
-
D361
AK
MICM-1
MICP-1
NCC364
K1.0C421
K1.0C371
K1.0C372
2.7V
1
VIN
2
VSS
3
ONOFF
5
VOUT
4
NC
K0.1C363
D364
L4.3V
AK
10uH
L373
10p*C434
K0.1C366
NC
C365
10pC427 10pC426
330u 6.3C361
1
G
2
S
3
K
4
A
5
NC
6
D
330u 6.3C373
UART
MIC-TP
MIC-TP
AVR, PDN_IC
DC/DC step-up circuit
IC371
IC372
IC373
Charging detection
Charging control circuit
Voice circuit
IC374
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(8)
(9)
(10)
(11)
SP phone TX
30mVp-p/600 IN
SP phone RX
(MIC Mute: ON)
1.8Vp-p/8
(Vol. Max)
Handset RX
(MIC Mute: ON)
590mVp-p/150
(Vol. Max)
Headset RX
170mVp-p/150
(Vol. Max)
Handset TX
88mVp-p/600 IN
Headset TX
50mVp-p/600 IN
TEST SIGNAL
FREQUENCY: 1kHz
3.1V
2.7V
3.0V 2.6~3.0V
KX-TGA931 SCHEMATIC DIAGRAM (Handset_Main)
NC: No Components