91
KX-TG6440PK/KX-TGA641S/KX-TGA641T/KX-TGA740B
1.0M
R378
PDN
10p
C533
270k
R543
CN431
HEADSET_JACK
1
4
2
3
5
K0.1
C374
1.0M
R376
NC
C364
NC
R507
560
R362
R433
1k
1k
RA401
1
2
3
4
BATTN
10k
R368
K0.1
C544
33k
R369
47k
R361
NC
R506
2.2M
R377
NC
C436
3.3k
R366
R435
NC
R431 NC
R436
1k
120
R367
R437
100k
K0.1
C379
C508
10uF
6.3V
K0.1
C363
390
R417
220k
R374
NC
R505
L431
NC
330u
6.3V
C373
D413
C426
NC
Q361
K0.1
C377
K0.1
C362
C417
10uF
6.3V
K1.0
C503
3.1V
1
VOUT
2
VDD
3
ON/*OFF
5
EXT
4
VSS
1
G
2
S
3
K
4
A
5
NC
6
D
D412
L434
L432
NC
C434
NC
C435
10uF
R434
2.2k
K0.1
C531
K0.1
C526
10p
C532
2.0V_Reset
4
VSS
3
NC
1
OUT
2
VDD
NC
C413
NC
C412
5.6n
F301
NC
C353
100k
R509
CHG1
10
R508
2.2M
R379
C427
NC
BATTP
NC
C432
NC
C411
10k
R534
CHG2
D364
2.7V
1
VIN
2
VSS
3
ONOFF
5
VOUT
4
NC
NC
C351
C433
K6800P
NC
C365
D361
47k
R363
1.2
R370
Q543
B
C
E
Q364
Q362
D531
NC
Q531
2.2k
RA402
1
2
3
4
RECEIVER
1
+
2
-
SP_PHONE
1
+
2
-
2.7V
GND_0
GND_0
GND_0
GND_0
GND_0
GND_0
GND_0
GND_0
C423
NC
C424
NC
GND_0
R380
NC
GND_0
2.7V
GND_0
GND_0 GND_0
GND_0 GND_0
3.1V
D426
D427
D423
D424
47
R371
K0.022u
C415
K0.022u
C414
K1000p
C416
MICP
SPM
VBAT
VSS
MICM
SPP
RX
TX
K1.0
C421
K1.0
C371
K1.0
C372
MIC
1
2
10p
C520
10p
C521
10p
C522
0
R600
10p
C523
V_BAT1
NC
R390
NC
R391
NC
R392
NC
C390
NC
Q390
NC
C391
NC
R393
NC
4
VSS
3
NC
1
OUT
2
VDD
47k
R526
680u
6.3
C361
10n
L374
K1.0
C422
1000p
C534
1000p
C535
100
RA403
1
2
3
4
100
R412
100
R413
UART
PDN_IC
DC/DC
BATTERY
CHARGE
Terminal
GNDPA
GNDA
K0.1
C506
IC373
IC372
IC374
IC371
IC390
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(9)
(10)
(11)
(12)
(13)
(14)
(16)
(15)
(17)
(19)
(18)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(8)
3.1V
2.7V
2.6~3.0V
TEST SIGNAL
FREQUENCY:1kHz
SP phone RX
(MIC Mute: ON)
1.8Vp-p/8
(Vol.Max)
Headset RX
170mVp-p/150
(Vol. Max)
Headset TX
50mVp-p/600 IN
Handset RX
(MIC Mute: ON)
590mVp-p/150
Handset TX
88mVp-p/600 IN
SP phone TX
30mVp-p/600 IN
KX-TGA641 SCHEMATIC DIAGRAM (Handset_Main)
NC: No Components
Charging detection
Charging control TR
Overvoltage detection circuit
Voice circuit
EEPROM
Writing
protection TR
Analog GND
Содержание KX-TG6440PK
Страница 2: ...2 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B ...
Страница 28: ...28 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B 4 10 Signal Route ...
Страница 29: ...29 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B RF part signal route ...
Страница 31: ...31 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B 5 2 Display ...
Страница 35: ...35 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B ...
Страница 36: ...36 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B 7 1 2 Programming using the Direct Commands ...
Страница 37: ...37 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B ...
Страница 38: ...38 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B 7 2 Error Messages ...
Страница 39: ...39 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B 7 3 Troubleshooting ...
Страница 40: ...40 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B ...
Страница 41: ...41 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B ...
Страница 42: ...42 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B ...
Страница 66: ...66 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B ...
Страница 67: ...67 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B 11 1 2 Handset ...
Страница 68: ...68 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B 11 1 3 Charger Unit ...
Страница 69: ...69 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B 11 2 How to Replace the Handset LCD ...
Страница 76: ...76 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B 13 3 Explanation of IC Terminals RF Part 13 3 1 IC701 ...
Страница 89: ...89 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B Memo ...
Страница 105: ...105 KX TG6440PK KX TGA641S KX TGA641T KX TGA740B 16 3 Cabinet and Electrical Parts Charger Unit 16 4 Accessories ...