Friday, October 05, 2012

SAMSUNG LN26C350D1D LN32C350D1D Troubleshooting Table.

NO VIDEO [TUNER_CVBS]
  • Audio is normal, but no picture is displayed on the screen.

  1. Check the Tuner CVBS source.
  2. Check the Tuner.
  3. This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
Power indicator LED off.  Lamp [backlight] on, no video?

No
Check if the set is in Standby Mode.
Yes


Check HDMI source and check the connection of HDMI cable.?

Yes
No
Insert RF source properly.
Does the DC TU 5V_PW, TU33V_PW appear at #2, #4 Pin of Tuner?
No
Check Tuner.
Change the Main Ass’y.
LC350_26”: [BN44-00368A].
LC350_32”: [BN41-00369A].
Yes


Does the digital data appear at pins 16,17 (LVDS Data clk) of LVDS connector?
No
Check IC201 [Saturn4].
Change Main Ass’y.
LC350_26: [BN44-00368A].
LC350_32”: [BN41-00369A].
Yes


Check the LVDS cable.
Replace the LCD Panel.
No
Seek Tech support.
                                                         LOCATION [MAIN]
                                                                          TOP

                                                                   BOTTOM

                                                           CVBS Out [Gray Bar]

                                                                  LVDS Output