Read Panasonic KX-TGP500B09 / KX-TPA50B09 (serv.man2) Service Manual online
113
KX-TGP500B09/KX-TPA50B09
1.0M
R378
PDN
10p
C533
NC
R543
CN431
HEADSET_JACK
1
4
2
3
5
C374
1.0M
R376
NC
C364
560
R362
R433
1k
BATTN
NC
R368
NC
C544
33k
R369
47k
R361
2.2M
R377
NC
C436
3.3k
R366
R435
NC
R431
NC
R436
1k
NC
R367
R437
100k
K0.1
C379
C508
10uF
6.3V
K0.1
C363
390
R417
220k
R374
330u
6.3V
C373
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
C434
NC
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
BATTP
NC
C432
NC
C411
10k
R534
CHG2
D364
NC
NC
C351
NC
C365
D361
47k
R363
1.2
R370
Q543
NC
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
GND_0
NC
R380
GND_0
2.7V
GND_0
GND_0 GND_0
GND_0 GND_0
3.1V
D426
NC
D427
NC
D423
NC
D424
NC
K0.1
C506
47
R371
NC
C416
RX
TX
TX
VBAT
VSS
SPP
SPM
MICP
MICM
MIC
1
2
NC
C421
K1.0
C371
K1.0
C372
V_BAT1
10p
C523
10p
C520
10p
C521
10p
C522
47k
R526
680u
6.3
C361
2.7V
1
VIN
2
VSS
3
ONOFF
VDOUT
5
VOUT
4
4.7k
R505
4.7k
R506
4.7k
R507
10n
L374
K1.0
C422
1000p
C534
1000p
C535
0
R413
0
RA401
1
2
3
4
0
RA403
1
2
3
4
1u
C414
1u
C415
C433
1u
0
R412
C435 22u
22u
C437
R600
100
L432
J330p
C438
L434
Q390
330p
C431
390
R502
10p
C505
100k
R391
0.1u
C391
2
VIN
1
VOUT
3
NC
4
VSS
J330p
C439
D429
D428
D421
D420
D413
D412
UART
PDN_IC
DC/DC
BATTERY
CHARGE
Terminal
Terminal
GNDPA
GNDA
IC373
IC372
IC374
IC371
IC390
NC
R541
2.2k
R542
NC
C542
(1)
(2)
(3)
(4)
(5)
(5)
(7)
(6)
(9)
(10)
(11)
(12)
(13)
(14)
(11)
(12)
(13)
(14)
(16)
(15)
(17)
(19)
(18)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(33)
(34)
(8)
3.1V
2.7V
2.6~3.0V
SP phone RX
(MIC Mute: ON)
+1.5dBm/8
(Vol.Max)
(MIC Mute: ON)
+1.5dBm/8
(Vol.Max)
Headset RX
(MIC Mute:ON)
-15dBm/150
(Vol. Max)
(MIC Mute:ON)
-15dBm/150
(Vol. Max)
Handset RX
(Mic Mute: ON)
-16dBm/40
(Vol. Max)
(Mic Mute: ON)
-16dBm/40
(Vol. Max)
Test Signal:1kHz
Input from Dummy Set PP MIC: -45dBm/600
Input from Dummy Set PP MIC: -45dBm/600
KX-TPA50 SCHEMATIC DIAGRAM (Handset_Main Part)
NC: No Components
Charging detection
Charging control TR
Overvoltage detection circuit
Voice circuit
EEPROM
Writing
protection TR
Writing
protection TR
Analog GND
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