Friday, October 05, 2012

SAMSUNG LN26C350D1D LN-32C350D1D Troubleshooting

  • The LEDs on the front panel do now work when connecting the power cord.
  • The SMPS relay does now work, when connecting power cord.
  • The unit appears to be dead.
The IP relay of the LEDs on the front panel does not work when connecting the power cord if the cables are improperly connected or the Main Board is not functioning.  In this case, check:
  1. Check the internal cable connection status inside the unit.
  2. Check the fuses of each part.
  3. Check the output voltage of SMPS.
  4. Replace the Main Board.

Lamp [backlight] Off, Power indicator LED On?
No
Change power cable.  LC350_26, 32”: BN39-01278A
Yes



Does proper Stand-by DC A5V appear at TP-A5V?
No
Change Main Power ass’y.  LC350_26: [BN44-00368A].  LC350_32: [BN41-00369A].
Yes



Does proper Main DC B12V, B13V, B5V?

No
Change Main Power ass’y.
Yes



Does proper DC A3.3V appear at TV-A3,3V?
No
Change the Main ass’y.  LC350_26, 32: [BN94-02649A].
Yes



Change the LVDS cable. 26”: [BN96-12469B], 32”: [BN96-12469C]

LOCATION - MAIN -TOP

LOCATION - MAIN - BOTTOM




No
Check Video.