Samsung SSC-12P Manual de servicio descargar pdf (Pagina 33)

Troubleshooting

Samsung Electronics 4-1

4. Troubleshooting

4-1 Troubleshooting

4-1-1 First Checklist for Troubleshooting

■ Basics:

- The DDP3021 on the DMD board has a feature to display internal test patterns.

- The BAYHILL+ is the output of the Main. DMD is the final one.

■ DiagnosisByModule

1. Access Service Mode

(In Standby mode, press MUTE, 1, 8, 2 and POWER to turn the screen on and enter service mode)

2. Check if there is an error in the DMD board

 DDP3021→TESTPATTERN→Presstherightarrowkey:

 OptionsofFULLWHITE,BLACK,RED,GREENandBLUEPATTERNandsoonaredisplayedonthescreen.

If “Pattern” does not appear or same symptom is appeared on DDP3021 pattern, this is a DMD board error.

3. Check if there is an error in the main board.

CheckforapowersignalfromSMPStootherboardseetheschematicdiagram.(7-3)Andcheckforindicatedpowersignal.

MST336

CCLK

BAYHILL+

Component

HDMI

ATV, DTV, AV

DDP3021

DMD

Panel

MAIN

DMD

SCREEN

OSD OK?

Main BOARD ERROR

DDP 3021 Pattern CHECK THE SCREEN

CHECK THE SOURCE

DMD BOARD ERROR

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 101 102

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Samsung SSC-12P Manual de servicio Pagina 33