Samsung LN26D450G1G, Руководство по обслуживанию

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4-4
4. Troubleshooting
4-1-3. No Video_Analog PC signal
Symptom Audio is normal but no picture is displayed on the screen.
-
Major
checkpoints
Check the PC source.
-
Check the Arsenal, Check the Chelsea.
-
This may happen when the LVDS Cable connecting the Main Board and the Panel is disconnected.
-
Diagnostics
Does the signal appear at
R804 (R), R805 (G), R806 (B)
BD404 (H), BD405 (V)?
Does the digital data appear at
TP-EVE, EVEN_TXCLK-,
OD, ODD_TXCLK-?
Yes
Yes
Yes
Yes
Yes
Check a set in the ‘Stand-by mode’ or
‘DPMS mode’.
Input the analog PC signal properly.
Please, Contact Tech support.
Check CN401, PC cable.
Change the Main Assy.
Check IC1001 (X5).
Change the Main Assy.
No
No
No
No
No
Power indicator LED is off.
Lamp (Backlight) on, no video?
Check the PC source and
check the connection of D-SUB?
Check the Self Diagnosis
(Support

Self Diagnosis

Picture Test)
Dose the promblem still exist self diagnosis?
Check the LVDS Cable?
Check the T-Con Board?
Replace the LCD Panel?
1
2
Caution Make sure to disconnect the power before working on the IP board.