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THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
C38020.1uF
C3803
0.1uF
+3.5V_ST
IR_OUT_RS232C
R3814
4.7K
C3801
0.1uF
JK3803
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
IC3800
MAX3232CDR
EAN41348201
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
R3811
4.7K
JP3809
C38000.1uF
JP3808
R3821 100
R3820 100
+3.5V_ST
EXT_12V
RS232_RX
RS232_TX
D3804
20V
OPT
D3805
20V
OPT
L3802
L3801
EXT_5V
C3804
0.1uF
IC3802
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
UART_SW2
R3847
0
C3813
0.1uF
R3843
0
NEC_TX
+3.5V_ST
NEC_RX
MTK_NEC_TX
IC3804
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
RS232_TX
C3811
0.1uF
R3842
0
RS232_RX
MTK_NEC_RX
R3846
0
JK_DBG_TX
JK_DBG_RX
MTK_DBG_TX
JP3802
DBG_SW
C3814
0.1uF
IC3805
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
NEC_DBG_TXD
C3818
1000pF
50V
OPT
UART_DBG_SW
EXT_SPK_VOL+
JK_DBG_TX
D3806
5.6V
OPT
IC3808
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
NEC_DBG_RXD
R3850
0
C3815
0.1uF
+3.5V_ST
IC3806
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
C3817
0.1uF
R3848
0
+3.5V_ST
+3.5V_ST
JK_DBG_RX
EXT_SPK_VOL-
MTK_DBG_RX
IC3807
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
C3819
1000pF
50V
OPT
D3807
5.6V
OPT
JP3801
C3816
0.1uF
JK3801
PEJ027-04
EXT_SPK_CONTROL
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
R3854
0
R3855
0
C3821
0.1uF
C3820
0.1uF
R3852
0
IC3809
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
R3853
0
IC3810
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
+3.5V_ST
EEPROM_SW
SDA_NVRAM
SCL_NVRAM
I2C_SDA5
NEC_EEPROM_SDA
NEC_EEPROM_SCL
I2C_SCL5
R3856
0
OPT
R3857
0
OPT
SOC_TX
RS232_RX
IC3812
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
R3858
0
IC3811
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
C3822
0.1uF
R3862 0
OPT
R3861
0
R3863 0
OPT
R3860
0
C3823
0.1uF
MTK_DBG_RX
RS232_TX
SOC_RX
UART_SW1
+3.5V_ST
R3859
0
MTK_DBG_TX
+3.5V_ST
D3803
50V
BAP70-02
R3834
1K
L3800
OPT
R3849
3.6K
R3851
3.6K
R3844
4.7K
R3845
4.7K
+3.5V_ST
+3.5V_ST
+3.3V_NORMAL
+3.3V_NORMAL
JP3810
JP3811
JP3812
R3835 0
R3836
0
RS232C
38
JACK_COMMON
2011.09.29
1A@5V /1A@12V FOR COMMERCIAL(RS-232C POWER)
xxLT760H-UA
H
Interactive
UART_SW2
L B0 - A
CONNECTION
B1 - A USB Download
EXT UART SWITCH
EXT_SPK_CONTROL & DBG OUT
CONNECTION
UART DBG SWITCH
B0 - A
EXT.SPK VOL Control
B1 - A
B0 - A DEBUG_NEC/MTK
Debug MTK
Debug NEC
CONNECTION
B1 - A
L
UART_DBG_SW
L
DBG_SW
H
H
NVRAM I2C SWITCH
B0 - A NVRAM - NEC
H
L
CONNECTION
NVRAM - MTK
UART_SW2
B1 - A
DBG_SW
B1 - AH
B0 - A MTK ADJL
CONNECTION
MTK DEBUG
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Only for training and service purposes
LGE Internal Use Only