Samsung S23A750D - When You Monitor Black Screen

4 故障排除
4-13
4-4. When you monitor black screen (DP）
Sign
-当 DP When the wiring is connected, the power LED Is on and the screen black
screen or W/R/G/B Pattern interruption-style display.
Mainly a
checkpoint
-Scrutineering DP Wiring connections.
-Scrutineering LVDS The wiring is correctly connected to the Panel.
-Check 1 Layer and 2 Between connector and 60 针 FFC The wiring is
connected properly.
Diagnosis
Replace the LCD screen.
Attention
Check the make sure to disconnect power before connecting the
motherboard.
Main PBA
否
否
是
是
在
R321
到
R328
DP
输
The
Check
2
层
CN401
PIN
51
~
1
Whet
The
Scrut
DP
Input.
Scrut
CN401
和
60
针
FFC
Wiring.
否
是
Scrut
X501
Shock is normal?
Check the power supply
1
层
And
2
Connector between
Check the signal wiring and
否
是
Check
2
层
CN401
PIN
63
~
67
上
The voltage for
DC 5V
？
Scrut
+5V_
Signal

