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BATTERY
R37
C30
NC
NC
R36
NC
GND
Q10
NC
(1)
(2)
(3)
BATTERY
(4)
(5)
(6)
C188
K1u
GND
(7)
(8)
(9)
(10)
LCD_SDA
(11)
LCD_SCL
(12)
LCD_CD
(13)
LCD_RESET
(14)
LCD_CSB
(15)
GND
GND
GND
GND
TP_ANT1
GND
CP+3.0V
C172
RA40
K0.1u
10k
8
1
VCC
A0
7
2
WP
A1
6
3
SCL
A2
5
4
SDA
GND
*IC3
GND
W 0.15mm
L 20+/-1mm
3rd layer
GND
C812
10p
W 0.15mm
L 20+/-2mm
3rd layer
GND
LSRp
LSRn
CP+3.0V
R55
1k
*R233
NC
*C204
0.1
GND
to LCD UNIT (Monochrome 1.4inc 3Line/for TGA250)
L801
27n
C803
3
1.5p
GND
GND
GND
GND
BPF
W 0.15mm
W 0.15mm
L 5.0mm
L 5.0mm
1st layer
1st layer
BATTERY
11
GND
GND
10
GND
VCC
9
PO
GND
8
POX
7
PSEL
6
PAON
GND
GND
IC801
RA800
Balun
1k
2
3
GND
1
4
Pre-matching
GND
R806
TXON
220
GND
Sp-phone RX/Beep
RX-AF (Handset)
*C187
*C186
NC
NC
GND
GND
MICp
GND
MICn
GND
to LCD UNIT (Monochrome 1.8inc FullDot/for TGA651)
KX-TGA250 SCHEMATIC DIAGRAM (Handset_Main)
67
KX-TG2511AL/KX-TG2512AL/KX-TG2513AL/KX-TGA250AZ
R807
W 0.15mm
L 20+/-2mm
220
3rd layer
C827
GND
10p
*C826
4p
2
1
DA801
GND
W 0.125mm
GND
L 7.6mm
Gap 0.125mm
1st layer
R801:220k
R808:NC
Q880
NC
GND
GND
GND
GND
GND
1
PSET
2
VCCS
3
PI
*C834
4
TX_RF
PIX
1p
5
PRAMP
W 0.15mm
L 3.0mm x2
1st layer
R805
47
VDD_PADRV
GND
PSEL
PON
GND
1
2
GND
GND
GND
GND
LSRp
C152
k1000p
LSRp
LSRn
RCV-
TX _AF
GND
GND
GND
GND
MIC+
C113
R73
82
R74
82
MIC-
D4
D3
C74
C75
NC
NC
D10p
D10p
VREFm
GND
VREFm
GND
RXON
RX_RF
RF_RXn
RF_RXp
Power_adj
TXn
TXp
+
SP-PHONE_SPEAKER
-
RCV+
1
+
RECEIVER
-
2
D10p
1
MIC
AP1
2
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Troubleshooting
