Saturday, August 11, 2012

SAMSUNG HLN5065W SERVICE MODE and REPAIR HELP: Part-1


[1]

TO ENTER SERVICE MODE

 Press [Mute => 1 => 8 => 2 => Power On] buttons in series by the remote control.

 Initial display when the Service Mode is switched ON
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  1. DPP1010 (ALL)
  2. DNle (ALL)
  3. AD9883 [COMPONENT / 480p]
  4. VPC3230 [RF / VIDEO / 4801]
  5. JAGADC [PC]
  6. FLI2300 [RF / VIDEO / 4801]
  7. 3D_COMB [ALL]
  8. OPTION
                       RELEASE TIME                                   SW Version
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Service Mode Control Keys
  • Channel Up / Channel Dn => Select item by moving cursor.
  • Volume Up / Volume Dn => Increase or decrease the data value to selected item.
COMMON FAULTS
  • When the domestic Power LED indicator does not light up => 
  • Check whether or not the power cord is connected.
  • Check whether the power switch on the right side of the set has been pressed.
  • Check the Line Filter Fuse.
  • Check connectors of the analog [CN111 & CN511] connectors.
  • Check the connection of the Digital CN307 connector and check whether the LED indicator OP301 (one) is lit.
  • Check the connection of Digital CN303 connector and check whether [5V] power has been supplied to Pin-5.
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  • When the abnormal Temperature Indicator LED is lit or flickers => 
  • Check whether the temperature sensor connector attached to the engine has been inserted normally into CN305 on the Digital Board.
  • Check whether the temperature sensor is normal when both terminals has been short circuited: (connected).
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Timer + Standby LED blinking at abnormal temperature.  Power LED blinking at abnormal temperature => 
  • Check that the fan operates when LED for timer, standby or abnormal temperature blinks.
  • Check that the cover detection switch is inserted at CN310 on Digital board when LED for timer, standby or abnormal temperature blinks.
  • When LED for timer, standby or abnormal temperature blinks, check that the lamp cover is properly assembled and that the switch pressing boss (inside) is not bend.
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Contd:

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