MICROCONTROLLER CONFIGURATION - SERVICE MODE
1 - Select PR. number 91
2 - Adjust sharpness to minimum and exit all menus.
3 – Within 2 seconds press the key sequence : RED - GREEN – menu.
The software version is displayed beside the word Service, e.g. “SERVICE VER 00.05”.
To exit SERVICE menu press menu key or Std By key.
SERVICE MODE NAVIGATION
PR Up/Down remote keys : Cycle through the service items available.
Vol -/+ remote keys : Dec./Increment the values within range – Cycle trough option bits.
OK key : Toggle bits in option byte.
MICROCONTROLLER CONFIGURATION: OPTION BITS
There are two option bytes available (16 bits in all). These option bits are available from Service mode. First find the OPTION1 or OPTION2 control, and then use the Volume PLUS/MINUS buttons on the remote control keypad to locate the bits, and OK key to toggle them. The table below shows the two option bytes available;
NVM default setting
The purpose of this message, when you change a virgin EEPROM, is to allow to modify the NVM DATA to desired values.
1 - Introduction:
The NVM default values are fixed for the user, but for flexibility in service, these data are stored in NVM and can be changed when the TV set is in a special mode call "NVM EDITOR". This mode can only be access from "FACTORY" mode.
2 - Entering into "FACTORY" mode.
To switch the TV set into FACTORY mode, use the factory remote control, and press on “SVC” key. The factory menu will appear on the screen, showing “FACTORY” , plus other relevant information like software version and date.
WARNING: When in "FACTORY" mode you should not press any key other than the keys described in the procedure below. Unwanted key stroke could misadjust the TV set.
3 - Entering into "NVM EDITOR" mode.
To switch the TV set into NVM EDITOR mode, use the user remote control, and press on “ON/ENTER” key. The NVM EDITOR window will appear on the screen. This mode allow you to access all data stored in NVM. The current NVM address is given in column "ADDR." in both
Decimal and Hexadecimal format. The column DATA gives the value contained at selected address in both Decimal and Hexadecimal format.
4 - Navigation in "NVM EDITOR" mode.
Use Program Up/Dwn keys to select the desired address. Use Volume Up/Down keys to change the data at selected address. You must press " OK/ENTER" key to store value after modification.
The data can be adjusted between 0 and 63.
5 - Exit "NVM EDITOR" mode.
To switch the TV set back into FACTORY mode, use the user remote control, and press on “MENU” key.
The factory menu will appear on the screen, showing “FACTORY”.
6 - Exit "FACTORY" mode.
To exit "FACTORY" mode, use the factory remote control, and press on “SVC” key.
The factory menu will disappear from the screen.
NVM DATA CHANGE LIST
The UOCIII series combines the functions of a Video Signal Processor (VSP) together with a FLASH embedded TEXT/Control/Graphics m-Controller (TCG m-Controller) and US Closed Caption decoder. In addition the following functions can be added:
· Adaptive digital (4H/2H) PAL/NTSC combfilter
· Teletext decoder with 10 page text memory
· Multi-standard stereo decoder
· BTSC stereo decoder
· Digital sound processing circuit
· Digital video processing circuit
PWB Component and print sides
Circuit diagram:
