Main/T-Con Board - Samsung QA65Q90RAK Service Manual

4-3-2. MAIN/T-CON BOARD

•
Scaller & US Post of MUSE-M Main CPU Section
Scaller & US Post of MUSE-M Main CPU Section
„
Video Operation
Generated on Main CPU Section.
• If OK:
Source & Input Cables
9
Other inputs
9
• If Noisy:
Pre Scaler Patterns
9
US Post Patterns
9
Pre FRC Pattern
9
PRE FRC Main Section
„
Video Operation
Generated at Pre FRC, in TV Main Board.
• If OK:
Check/Replace defective TV Main Board
9
• If Noisy:
Post FRC Pattern
9
£ PRE FRC Main Section
Customer Picture Test 1
PRE FRC (Factory Mode)
£ POST FRC Main Section
Mute > 1 > 4 > 7 > Mute
4. Troubleshooting
£ T-CON Section
4-19