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4. Troubleshooting
Symptoms
Possible Causes
No Power
Faulty U8, Q4
Faulty Display
Faulty Download
Faulty U2, Y1
No Sound
Faulty U8, U10
Samsung Electronics
All manuals and user guides at all-guides.com
Action
Replace Main PCB
Faulty LCD
Replace LCD
Faulty J1
J1 soldering Check
Replace Main PCB
Replace Sub PCB
Remark
When connected "CONNECT" character will not disolay on LCD window.
4-1
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