3P68S SERVICE MODES
- Enter "factory service mode"：Press "MENU","Q.VIEW" and "PP" in turn.
- Enter "design service mode" : After entering "factory service mode",select"SC"item,then press "8","9"keys. (Normally "design service mode"is not needed for production line.)
- Exit service mode: Press"DISPLAY"key to exit service mode.
ADJUSTMENT
- In service mode, pressing digital keys directly can enter the corresponding page, pressing "MENU"key can enter the next page, pressing "SCAN"key can enter previous page.
- Pressing "UP"and"DOWN"keys can select the items to adjust, pressing” LEFT" and"RIGHT"keys can adjust the values.
BUS OPEN MODE
- In service mode, pressing"MUTE"key can enter "BUS OPEN"mode, which is useful for white balance adjustment using AUTO WHITE BALANCE EQUIPMENT or mass data written into EEPROM. IC.
- Pressing"MUTE"key again can exit "BUS OPEN" mode.
Vg2 ADJUSTMENT MODE
Two
methods to adjust VG2 voltage:
OSD
mode:
- This mode is for sets with AKB function(page10 "VG2-MODE"is set to 1 and hardwire is with CCC loop ), adjust the VG2 pot meter on the FBT till "OK" is displayed.
Horizontal
line mode:
- This mode is for sets without AKB function(page 10"VG2-MODE" is set to 0 and hardwire is without CCC loop), adjust the VG2 pot meter on the FBT until the faint horizontal line appears in dark room(usually only one color: Red ,green or blue.
FACTORY MODE
- In service mode, pressing"PP"key can erter "FACTORY MODE", which is useful for aging in production lines.
- Pressing "PP"key again can exit "FACTORY MODE".
SCREEN VOLTAGE ADJUSTMENT
- The TV set will be set up in the "AV" "STANDARD" mode, no signal input.
- Enter into adjust factory mode, and press "03" keys to choose "Vg2" item, it will be permitted to enter light Line mode.
- In light-Line mode, Rotating screens potential for grid-line level so you can adjust. Press "CH+."or "CH-." key the by-line can be returned to the state in full screen mode, and then exit it.
AGING MODE
- When enter into factory mode state, pressing P.P. key will be permitted to enter Aging of machine mode.
- Press "8"key and "9"key one by one button exit aging mode.
