SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
10-24
10-8. Receiver Part
Receiver does not work
Yes
No
Resolder or Replace UCP301
Check C622,C623 Is there
Signal?
(If all power sources work
well)
Yes
Check pin 35,36 at U602
Does it Work?
Resolder or Replace U602
No
Check pin 2, 4 at U603
Does it Work?
Yes
Resolder or replace U603
No
Yes
Modify the receiver wire soldering
No
Check the soldering of the
Receiver wire
Replace the Receiver
No
Yes
Yes
Is Receiver working?
END
Summary of Contents for SGH-I740c
Page 108: ......