Panasonic KX-TGA631CS, Руководство по обслуживанию

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23
KX-TG6323CPK/KX-TGA631CS
*CN431
HEADSET_JACK
1
4
2
3
5
SPP
SPM
MICM
MICP
VBAT1VBAT2
RX
TX
NC
C436
NC
C422
NC
C432
2.2k *R434
NC *R431
1k *R433
NC L511
100k R509
33k
R526
2.2M
R377
270k R543
10 R508
K0.1
C526
NC R505
NC R506
NC R507
PDN
NC
C543
K0.1
C544
NC
C509
2.2M
R379
K1.0 C503
C508
10uF 6.3V
C594 NC
L431 NC
L432 NC
*L434
390 R417
1.0M
R376
1.0M
R378
K0.1
C379
K0.1
C377
K6800P *C433
SPPP SPPN
NC R435
*C435
10uF
C417 10uF
6.3V
2.2k
RA402
1
2 3
4
D427
2
1
D426
2
1
D424
2
1
D423
2
1
MIC
1
2
1k
RA401
1
2 3
4
68
RA403
1
2 3
4
K6800P
C414
K6800P
C415
K5600P
C416
D412
2
1
D413
2
1
NC
C413
NC
C411
NC
C412
NC
R532
K0.1
C531
NC
R354
BATTP
NC
C243
220k R374
NC
C354
2.0V_Reset
4
VSS
3
NC
1
OUT
2
VDD
47k R361
3.1V
1
VOUT
2
VDD
3
ON/*OFF
5
EXT
4
VSS
NC R531
NC
C352
NC L352
1.2
R370
BATTN
NC L351
NC
R375
120
R367
VSS2
CHG1
K0.1
C374
CHG2
47k R363
NC
C351
NC
D531
AK
33k
R369
K0.1
C362
VSS1
100k
*R437
1k *R436
5.6n
F301
Q531
B
C
E
Q361
B
E C
560
R362
3.3k R366
NC
C353
Q362
B
C
E
NC
L412
NC
L413
Q364
B
C
E
RECEIVER
1
+
2
-
SP_PHONE
1
+
2
-
D361
A K
MICM-1
MICP-1
NC
C364
K1.0
C421
K1.0
C371
K1.0 C372
2.7V
1
VIN
2
VSS
3
ONOFF
5
VOUT
4
NC
K0.1
C363
D364
L4.3V AK
10uH
L373
10p
*C434
K0.1
C366
NC
C365
10p
C427
10p
C426
330u
6.3
C361
1
G
2
S
3
K
4
A
5
NC
6
D
330u 6.3 C373
10k
R368
UART
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
600 IN
30mVp-p
SP phone RX
(MIC Mute: ON)
1.8Vp-p/8
(Vol. Max)
Handset RX
(MIC Mute: ON)
590mVp-p/150
(Vol. Max)
Handset TX
600 IN
88mVp-p
TEST SIGNAL
FREQUENCY: 1kHz
3.1V 2.7V
3.1V 2.6~3.0V
Headset RX
170mVp-p/150
(Vol. Max)
Headset TX
50mVp-p/600
IN
KX-TGA631 SCHEMATIC DIAGRAM (Handset_Main)
NC: No Components