NO VIDEO. [ANALOG PC SIGNAL]
- Audio is normal, but no picture displayed on screen.
- Check PC source.
- Check 'Saturn4' [IC201].
- This may happen when LVDS cable connecting the Main Board and the Panel is disconnected.
Test points locations on main board. [Bottom side]
Power indicator LED is off. Lamp[Backlight] on, N video?
|
No
|
Check if the set is in Standby mode or DPMS mode.
|
Yes
|
||
Check the PC source and check the connection of D-SUB?
|
No
|
Insert analog PC signal properly.
|
Yes
|
||
Does the signal appear at TP-821M 823, 825, 826, 828
[R,G,B.V] OF IC-201?
|
No
|
Check CN804, PC cable.
Change the Main Ass’y.
LC350_26: [BN44-00368A]. LC350_32 [BN41-00369A]
|
Yes
|
||
Does the digital data appear at pin#16,17 (LVDS Data clk)
of LVDS connector?
|
No
|
Check IC201 (Satum4).
Change Main Ass’y. LC350_26:
[BN44-00368A]. LC350_32
[BN41-00369A].
|
Yes
|
||
Check the LVDS cable?
Repalce the LCD panel?
|
No
|
Seek Tech support.
|
DMPS Mode: Display Power Management Signaling Mode.
- If PC is Power OFF, in TVs PC mode, TV Set will be DPMS Mode.
- It is similar TVs stand-by mode. [Turn Off back-light, Function LED is blinking]
PC input [V-sink, H-sink, RGB]
LVDS Output.
