Monday, December 17, 2012

TCL COLOR TV - SERVICE MODE _ AND OTHER DETAILS _ SERVICE HELP




TO ENTER SERVICE MODE

TWO WAYS TO ENTER SERVICE MODE
[1]

  • Switch on the TV set.
  • Press the “MENU” key on RC to show the “PICTURE” OSD menu.
  • Move the cursor to “Contrast” item then press the “9”, “7”, “3”, “5” key continuously on RC within 3 seconds then enter P-Mode. The “P” letter will appear on the left low corner of the screen when enter P-Mode. Also the “FACTORY HOTKEY” will be set to “ON ( = 1 )”.
[2]  
  • Press the “RECALL” key on RC to enter P-mode directly.

 Notes:
  • This will be active only when the “FACTORY HOTKEY” had set to “ON ( = 1 )”.
  • When the power on with “FACTORY HOTKEY” had set to “ON ( = 1 )”, the set will enter the P-Mode automatically.
TO EXIT SERVICE MODE
  • Press the “RECALL” or “MENU” key on RC to exit the P-Mode.
REMOTE KEYS' FUNCTION ON SERVICE MODE
  • Press “0” to “9” key to select factory adjustment page.
  • Press ▲▼key to select option.
  • Press ►◄key to adjust or select option.
  • Press “DISPLAY” key to display software version.
  • Press “MENU” key to exit the P-Mode.
  • Press “RECALL” key to enter or exit the P-Mode.

All change in P-Mode will be saved in EEPROM automatically.

+B VOLTAGES.

PICTURE TUBE TYPE: A68ERF185X013/MS (44-29RFLT-HFCA). => [125V+/-0.5V]
PICTURE TUBE TYPE: A51QGT420X34(44-21RFLS-LGDA) => [108V+/-0.5V]

TUNER SECTION 


Click on image.  Right click on the enlarged image, save image as, to a folder (My document > My  Pictures).  View it in ‘Picasa’ picture viewer.  There you can enlarge it more.  Download ‘Picasa-3’ by Google site, and install it to your system.  It’s a  free software from Google and download it by Google. [Search for ‘Picasa’ by Google]

SMALL SIGNAL PROCESSING SECTION


HORIZONTAL OUTPUT SECTION


VERTICAL OUTPUT SECTION


VIDEO OUTPUT SECTION


AUDIO POWER AMPLIFIER SECTION


POWER SUPPLY [SMPS] HOT SIDE


POWER SUPPLY [SMPS] COLD SIDE