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Samsung 920NW - SyncMaster - 19" LCD Monitor Service Manual

Samsung 920NW - SyncMaster - 19" LCD Monitor
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4 Troubleshooting
4-3
4-3 Output power is unstable
Check sampling
Circuit
Check the R pin
voltage of IC803
about 2.5V
Check pin1 of
IC802 voltage is
5.8V
Check pin1 of
IC802 voltage
about 3V
Check R818, D804,
C807 if short
Check the C pin
voltage of IC803 if
3V
Check R822, R823,
R824
Unstable power
Change R822, R823,
R824
Change IC803
Check R819, R820
END
Change R818
Change R808, R809,
R810, R811

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Samsung 920NW - SyncMaster - 19" LCD Monitor Specifications

General IconGeneral
Screen Size19 inches
Resolution1440 x 900
Aspect Ratio16:10
Brightness300 cd/m²
Contrast Ratio700:1
Response Time5 ms
Viewing Angle (Horizontal/Vertical)160°/160°
Display TypeLCD
Pixel Pitch0.285 mm
Color Support16.7 million colors
Horizontal Refresh Rate30-81 kHz
Vertical Refresh Rate56-75 Hz
Input ConnectorsVGA (D-Sub)
Weight4.5 kg (with stand)

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