Saturday, June 22, 2013

JVC LT-26B60BJ - LT-26B60BU - LT-26B60SJ - LT-26B60SU - HOW TO ENTER SERVICE MODE - LCD PANEL FAULTS - DOTS - FLICKER - MAIN POWER SUPPLY [SMPS] SCHEMATIC


SERVICE MODE
  • Press [INFORMATION] key and [MUTING] key on the remote control unit simultaneously to enter the SERVICE MODE SCREEN.
SERVICE MODE SCREEN
  • Press the [MENU]key to exit the Service mode.
  • [FUNCTION / key : Select the SETTING MENU & ITEM
  • [OK] key : Decision the SETTING MENU & ITEM
  • CHANGE OF SETTING VALUE (DATA) => [FUNCTION /] key.
  • The setting value will be stored automatically when release the REMOTE CONTROL UNIT keys.
SERVICE MODE SETTING ITEMS [OPTIONS]
LCD PANEL FAULTS
PIXEL FAULT:  There are three pixel faults - bright fault , dark fault and flicker fault - that are respectively defined as follows.
BRIGHT FAULT:  In this pixel fault, a cell that should not light originally is lighting on and off.  For checking this pixel fault, input ALL BLACK SCREEN and find out the cell that is lighting on and off.
DARK FAULT:  In this pixel fault, a cell that should light originally is not lighting or lighting with the brightness twice as brighter as originally lighting.  For checking this pixel fault, input 100% of each R/G/B colour and find out the cell that is not lighting.
FLICKER FAULT:  In the pixel fault, a cell that should light originally or not light originally is flashing on and off.  For checking this pixel fault, input ALL BLACK SCREEN signal or 100% of each RGB colour and find out the cell that is flashing on and off.
SMPS SCHEMATIC
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