Sunday, November 15, 2015

HP L2035 TFT LCD MONITOR - HOW TO ENTER SERVICE MODE

Service Mode - Display Adjustment - Aging Mode -  HPL2035 20 inch TFT LCD Monitor.
This procedure can be used to enter service mode to Philips 20" TFT LCD monitors, as kit fitted to both are similar.
There are 3 ways to access the service mode
Access Service Mode (in USER MODE)
1  Disconnect signal cable on Rear side of monitor.  Don't disconnect signal cable on PC side, because CPU will detect pin-9 of D-SUB (15 pin connector).
(Monitor & PC are still ON.)
Bring up "CHECK CABLE CONNECTION" screen.
2 Press MENU" “button for more than 15 seconds.  Bring up message as below.
Leave service mode by either re-feed video signal or simply turn off and on the power of monitor.
Access Service Mode (in USER MODE)
1
Turn off monitor.
Disconnect signal cable on PC side.
Turn on monitor.
Bring up "NO VIDEO INPUT"
(After 3 seconds)
2
Press MENU" " button for more than 15 seconds.
Bring up "SERVICE MODE"
To exit service mode by either re-feed video signal or simply turn off and on the power of monitor.
Access Service Mode (in USER MODE) Method 3 
1
PC off.
Signal cable connect to rear side of Monitor only.
Turn on monitor.
Bring up "NO VIDEO INPUT"
2
Press MENU button for more than 15 seconds.
Bring up "SERVICE MODE".
To exit the service mode simply turn off and on the power of monitor.
To Lock - Unlock OSD function (User Mode)
The OSD function can be locked by pressing Menu button for more than 10 seconds, the screen shows following windows for 3 seconds.
Every time when you press or Menu button, “OSD MAIN CONTROLS LOCKED” message appears.
Locked OSD function can be released by pressing Menu button for more than 10 seconds again. While press "MENU" button for OSD locked purpose, the screen will keep showing OSD MAIN CONTROLS LOCKED until OSD function locked and screen automatically shows following window for 3 seconds.

‘OSD MAIN CONTROLS UNLOCKED’
Display Adjustment, Aging Mode
Factory mode Adjustment
Entering factory mode as Press Menu and Auto button simultaneously and power ON as Fig.1
Use buttons to Factory Mode to enter by Menu then appear Fig.2
Use the Dn/Up buttons to Factory Mode to enter by Menu then 9300K For CAD/CAM,6500K For IMAGE MANAGEMENT, ORIGINAL PANEL COLOR AUTO COLOR ADJUST.
9 3 0 0 K R G B
6 5 0 0 K R G B
Color temperature gain adjustment. Use these menu items to adjust the RGB gains of pre-amp for different color temperatures, ranges from 0 to 255.
Access AGING Mode (Burn in mode) : IN Factory MODE
Push “Menu” & "Auto " buttons at the same time and power ON.
2 Disconnect Interface (Signal) cable.
Bring up “Full black pattern (if black, wait 5 seconds around) or Full White pattern with character “Aging”
To return to Normal display (User Mode)Reconnect the interface cable of LCD monitor.