Table of Contents
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(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
RXI
(16)
CHARGE_DET
(17)
81 RF_RESET
82 CHARGE_CNT
(18)
83 KEYIN_5
(19)
84 KEYIN_4
(20)
85 KEYIN_3
(21)
86 KEYIN_2
(22)
87 KEYIN_1
(23)
88 KEY_LIGHT
(24)
89 LCD_BACK_LIGHT
100-13/AGPIO0-AGPIO13
90 NC
(25)
91 KEYSTROBE_E
16-27/EGPIO4-EGPIO15
(26)
92 KEYSTROBE_D
56-71/BGPIO0-BGPIO15
(27)
93 KEYSTROBE_C
80-95/DGPIO15-DGPIO0
(28)
94 KEYSTROBE_B
(29)
98-99/CGPIO12-CGPIO13
95 KEYSTROBE_A
(30)
96 GND
(31)
97 VCC
98 NC
(32)
99 FLASH_SCK
(33)
100 INT_1
(34)
(35)
(36)
(37)
(38)
(39)
(40)
(41)
(42)
(43)
(44)
(45)
(46)
(47)
(48)
(49)
(50)
(51)
R223
1K
R224
10K
(52)
TXO
BCK
C312 K0.1
L202 NC
R276 560
Q204
L203 NC
X201
13.824MHz
R295 NC
PDN
R242
RST
R222
VCCPLL
50
GNDPLL
49
VCCR
48
RSSI
47
VREFR
46
TXMOD
45
GNDR
44
MIP
43
IC201
MIN
42
VREF
41
HSMIN
40
HSMIP
39
GNDA
38
VCCA
37
LIN0
36
R230
DCIN0
35
LOUT0
34
HSSPOUT
33
VCCPA
32
SPOUTN
31
GNDPA
Q213
R220
270K
Q208
3.0V
VRF
RSSI
R286
39K
VCC
3.0V
22K
R241
18K
1K
C216
NC
C303
10
C214
K0.1
C302 NC
RA205
C217
K1.0
1K
1
C301 NC
3
C308
K1.0
C231
1K
K0.01
RESET
Q205
RX
TX
3.0V
VBAT
IC203
VBAT
1
2
OUT
IN
BATTP
GND
3
3.0V REG
BATTM
VSS
KX-TGA236 SCHEMATIC DIAGRAM (Handset)
95
KX-TG2340JXS / KX-TGA236JXS
MICM
CA201
K0.01
2
1
2
4
3
4
MICP
R245
10K
R247 390
CHARGE
Q207
R248
22K
IC208
NC
3.2V RESET
POWERDOWN
OUT
VDD
1
2
3
4
NC
GND
R236
C234
OUT
VDD
1
2
22K
K0.1
3
4
NC
GND
IC205
3.2V RESET
R268 1K
D213
R269 1K
2
VBAT2
R270 1K
1
3
D208
Q212
D205
Q210
Q209
VSS2
-45dBm
MIC
L207
CHG1
D207
D206
CHG2
L208
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Troubleshooting
