Samsung GT-I9500 Service Manual page 77

Level 3 Repair
8-3-24.Sensor Part
1. Barcode emulator
Abnorma Barcode Part
VCC_1.8V_AP,VCC_2.8V_AP
check the voltage when
barcode active mode
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Yes
Check the Voltage
C1007 = 3,3V
Yes
Check the Voltage
R1002 = 1.8V
R1003 = 1.8V
Yes
R703 = 1.8V
R747 = 1.8V
Barcode
operate correctly?
Yes
END
No
Resolder U600 or U1001, or U1002
No
Resolder U1001 or heat over UCP5000
Resolder U1001 or heat over UCP5000
No
or Q702 or resolder R747,748,749,750
No
8-45
change RCV module