Thursday, July 11, 2013

SHARP - 29MU70 - HOW TO ENTER SERVICE MODE - POWER SUPPLY SCHEMATIC - Switching Control IC TEA-1507


SERVICE MODE
  • While pressing the Vol and Ch buttons at the same time, plug the AC cord into a wall socket.
  • Now, the TV set is switched on and enters the service mode.
  • To exit the service mode, turn the television off by pressing the power button.
  • Before putting unit into the service mode, check that customer adjustments are in the normal mode. Use the reset function in the video adjustment menu to ensure customer control is in their proper (reset) position.

In the service mode, you will see the window screen as window 1. There are 4 adjustment categories 2DEF, 3SIGNAL, 4FEATURE, 5FIX VALUE as shown.
  • Press CH ▲, ▼ button for selection and enter by VOL ▲, ▼.
  • Press CH ▲, ▼ button to select the adjustment item and VOL ▲, ▼ to adjust the data number for each categories.

(OSD disturbance can be erased by R/C display key) (Note: EEPROM - factory used only)

Holding down both the Vol / Ch buttons on the TV set at service mode for more than 2 seconds will automatically write  initial values into IC2102.
MAIN POWER SUPPLY SCHEMATIC [SMPS]
{CLICK ON PICTURES TO ZOOM IN}
Universal remote control set-up codes to Sharp Brand TVs, are given by previous post here.

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