LG KG280 Service Manual - Page 113

Test Jig Operation

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11. AUTO CALIBRATION JTAG2 JTAG1 USB MON PHONE UART TA ON OFF ADI-REMOTE POWER TI-REMOTE TA 1234 POWER ON OFF MON Status PS VBAT + UART Status PS _ Figure 11-2 The top view of Test JIG 11.3 Test Jig Operation Power Source Power Supply Table 11-2 Jig Power Description Usually 4.0V Switch Number Switch 1 Switch 2 Switch 3 Switch 4 Name ADI-REMOTE TI-REMOTE VBAT PS Description 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 Table 11-3 Jig DIP Switch LED Number LED 1 LED 2 LED 3 LED 4 Name Power TA UART MON Description 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 Table 11-4 LED Description LGE Internal Use Only - 114 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes

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LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
- 114 -
11. AUTO CALIBRATION
Figure 11-2 The top view of Test JIG
11.3 Test Jig Operation
1
2
3
4
ADI-REMOTE
TI-REMOTE
PS
VBAT
JTAG2
JTAG1
USB
TA
+
PS
_
POWER
ON
OFF
TA
POWER
MON
Status
UART
Status
ON
OFF
MON
UART
PHONE
Power Source
Description
Power Supply
Usually 4.0V
Table 11-2 Jig Power
Switch Number
Name
Description
Switch 1
ADI-REMOTE
In ON state, phone is awaked. It is used ADI chipset.
Switch 2
TI-REMOTE
In ON state, phone is awaked. It is used TI chipset.
Switch 3
VBAT
Power is provided for phone from battery
Switch 4
PS
Power is provided for phone from Power supply
Table 11-3 Jig DIP Switch
LED Number
Name
Description
LED 1
Power
Power is provided for Test Jig
LED 2
TA
Indicate charging state of the phone battery
LED 3
UART
Indicate data transfer state through the UART port
LED 4
MON
Indicate data transfer state through the MON port
Table 11-4 LED Description