Table of Contents
Advertisement
KX-TG1233BXS / KX-TG1233BXT / KX-TCA122CXS / KX-TCA122CXT / KX-TCA121CXS / KX-TCA121CXT
33 SCHEMATIC DIAGRAM (HANDSET)
F1
BATTERY+
1
5.6nH
J1
R47
BATTERY-
1
J2
R46
5.6K
TP20
L4
CHARGE+
1
10uH
J3
R94
L5
NC
CHARGE-
1
10uH
1005
(1005)
R72
J4
TP21
1K
Q5
+2.5V
R20 1K
(1005)
R21 1K
(1005)
R60
100 (1005)
COL0
COL1
COL2
COL3
COL4
COL5
+2.5V
Lighted Key
Q7
NC : No Components
Charge Current
BATTERY
BAT
L1
47uH
5.6K
AVS_sense
Q4
D7
BC807-40
MA2Z72000L
R93
NC
(1005)
(When on charge)
Q9
1S
UTX
URX
ROW1
JTAG
LCD_CSB
LCD_SI
LCD_SCL
LCD_RS
ROW2
C100
D10P
25mV p-p
0.7V
0V
LCD Back-Lit
L8
Q8
+3.3V
VDD3
D1
SM140A-T
+2.5V
Q3
Q1
D
R57
G
68
S
115kHz (TALK mode)
C37
K0.1
(1005)
R88
180
C91
D10P
(1005)
(1005)
C68
K0.1
R89 180
(1005)
(1005)
C102
NC
(1005)
+2.5V
+1.8V
(1005)
1 INT1n/P1_1
C19
K0.1
2 VDDIO
C24
K0.1
3 VDD
4 VSS
(1005)
5 LED1/PWM0/P2_0
6 LED2/PWM1/P2_1
(1005)
7 LED3
R68
6.8K
8 LED_BIAS/P3_6/PD6
9 SDA1/P2_5
10 SCL1/P2_4
IC1
11 INT5n/VDDE/P1_5
(1005)
12 INT2n/P1_2
C20
K0.1
BBIC
13 AVD
14 AVS
15 CAP
16 Xtal1
17 VSSRF
18 RFCLKp
RSSI
19 RSSI/RFCLKm
20 VDDRF
C58
K0.1
C97 D10P
C98
K4.7
TX DATA
RX DATA
K1000p
C121
R65
NC
0
90
VDD2
VDD1
+1.8V
Q2
C114
D10P(1005)
C115
D10P (1005)
+1.8V
C118
K0.01
R12
S1
39K
POWER
POWER
LDO2_CTRL
60
LDO1_CTRL
59
R81
4.7
VBAT1
58
DC_sense
57
DC_CTRL
56
DC_I
55
C18 K1000P
C8 K0.22
DC_stab
54
(1005)
RSTn
53
P1_7/CHARGE/INT7
52
P2_3/ADC1
51
VDD
50
VSS
49
RESET
P0_7/SPIDI/PCM_DIN
48
C21
CD_AMP
P0_6/SPIDO/PCM_DOUT
47
K0.1
(1005)
SP_LED
P0_5/SPICLK/PCM_CLK
46
P0_4/SCL2
45
P0_3/SDA2
44
JTAG
P0_2/JTIO
43
URX
P0_1/RTX
42
UTX
P0_0/UTX
41
R90
680K
+2.5V
(1)
(2)
(3)
(4)
(5)
(6)
STOP_CHARGE
LDO2_CTRL
LDO1_CTRL
DC_CTL
DC_I
(7)
CHARGE
IC3
+2.5V
EEPROM
8
1
VCC
A0
7
2
WP
A1
6
3
SCL
A2
5
4
SDA
VSS
Q10
R96 10K
Q11
1005
(8)
(9)
(10)
Advertisement
Table of Contents
Troubleshooting
