Troubleshooting
Samsung Electronics
3-5
3-3 Repairing No Sound
Normal
Abnormal
Normal
Normal
Normal
Normal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Check IC601 Output
Terminal Pins 2 and 4
Insert the CN601 Connector
Check the Speakers
Check IC601 Input Terminal Pin 3
Check FD802S of the SUB Board
Check IC601 Input Terminal Pin 5
Check the Sound Mute Circuit
Check IC601 Input Terminal Pins 7 and 11
Check IC601
Check IC602
Check IC602 Input Terminals
Check IC605 Input Terminals
Confirm that CN601 is inserted