LG C3400 Service Manual page 97

5. DOWNLOAD AND CALIBRATION
C. Test Jig Operation
Switch Number
Switch 1
Switch 2
Switch 3
Switch 4
LED Number
LED 1
LED 2
LED 3
LED 4
JTAG2
TA
ON
OFF
ADI-REMOTE
TI-REMOTE
POWER
TA
Figure 5-3 The top view of Test JIG
Power Source
Power Supply
Travel Adaptor
Name
ADI-REMOTE
TI-REMOTE
VBAT
PS
Table 5-3. Jig DIP Switch
Name
Power
TA
UART
MON
Table 5-4. LED Description
JTAG1
1 2 3 4
POWER
ON
OFF
Use TA, name is TA-20G (24pin)
Table 5-2. Jig Power
In ON state, phone is awaked. It is used ADI chipset.
In ON state, phone is awaked. It is used TI chipset.
Power is provided for phone from battery
Power is provided for phone from Power supply
Power is provided for Test Jig.
Indicate charging state of the phone battery
Indicate data transfer state through the UART port
Indicate data transfer state through the MON port
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USB
MON
Status
PS
VBAT
UART
Status
PS
_
+
Description
usually 4.0V
Description
Description