Disassembly_ White balance adjustment_SMPS Schematic_ SONY KLV-40U100M LCD HDTV MONITOR
TO ENTER SERVICE MODE [Factory Mode]
To enter Factory Mode [Service Mode] press OK-OK-MUTE-OK-MUTE-MENU
White balance & Luninance adjustment
Approximately 30 minutes should be allowed for warm up the unit before proceeding white balance adjustment.
Connect power cable for Chroma-C210 and K8256, then start industrial PC;
Connect Chroma-C210 and 480i signal source to PC in their Power off status;
Connect one terminal of 480i signal cable to the signal source, the other one should be in suitable condition;
Power on all signal sources,
Focus the camera lens on 0-cal (closed) while turn on Chroma-C210, press 0-CAL for calibrating（00 channelafter the panel digits of Chroma-C210 flash, focus the camera lens on MEAS; meanwhile, the lens close to TV.
Operation Steps:
a. Connect the signal cables to the corresponding input jack.
b. Color temperature adjustment:
1. Press “MENU” button to enter OSD, and complete the following processes:
Power saving: OFF
Select picture vivid;
Activate picture reset function
2. adjust White Balance for cool temperature;
Select Cool color temperature in the OSD menu, and press OK-OK-MUTE-OK-MUTE-MENU to enter into factory mode;
Exchange Timing 78, pattern 45 (480i, 65% white) for K-8256, fix GG=240, decrease RG, BG (if G<240, B=255), X=0.2728+/-0.002，Y= 0.2660+/-0.002 (RG, GG, BG<=255).
Exchange TIMING78，PATTERN46（480i,30%WHITE）for K-8256, if GO or BO or RO=125, adjust the other three factors to make X=0.2728+/-0.003，Y=0.2660+/-0.003 (RO, GO, BO<=125)
Repeat the above two steps to meet X＝0.2728＋/-0.002，Y＝0.2660+/-0.002 at 65% white and X＝0.2728＋/-0.003，Y＝0.2660+/-0.003 at 30% white.
3. adjust White Balance for neutral temperature;
Select neutral color temperature in the OSD menu, and press OK-OK-MUTE-OK-MUTE-MENU to enter into factory mode;
Exchange Timing 78, pattern 45 (480i, 65% white) for K-8256, if GG or BG or RG≥253, adjust the other three factors to make X=0.2900+/-0.002，Y= 0.2920+/-0.002 (RG, GG, BG<=255).
Exchange TIMING78，PATTERN46（30%WHITE）for K-8256, if GO or BO or RO=125, adjust the other three factors to make X=0.2900+/-0.003，Y=0.2940+/-0.003(RO,GO,BO<=125)
Repeat the above two steps to meet X＝0.2900＋/-0.002，Y＝0.2920+/-0.002 at 65% white and X＝0.2900＋/-0.003，Y＝0.2940+/-0.003at 30% white.
4. adjust White Balance for warm temperature;
Select warm color temperature in the OSD menu, and press OK-OK-MUTE-OK-MUTE-MENU to enter into factory mode;
Exchange Timing 78, pattern 45 (480i, 65% white) for K-8256, if GG or BG or RG≥253, adjust the other three factors to make X=0.3190+/-0.002, Y=0.3250+/-0.002 (RG, GG, BG<=255).
Exchange TIMING78，PATTERN46 (30%WHITE) for K-8256, if GO or BO or RO=125, adjust the other three factors to make X=0.3200+/-0.003, Y=0.3270+/-0.003(RO, GO, BO<=125)
Repeat the above two steps to meet X＝0.3190＋/-0.002，Y＝0.3250+/-0.002 at 60% white and X＝0.3200＋/-0.003 Y＝0.3270+/-0.003 at 30% white.
Connect power cable for Chroma-C210 and K8256, then start industrial PC;
Connect Chroma-C210 and 480i signal source to PC in their Power off status;
Connect one terminal of 480i signal cable to the signal source, the other one should be in suitable condition;
Power on all signal sources,
Focus the camera lens on 0-cal (closed) while turn on Chroma-C210, press 0-CAL for calibrating（00 channelafter the panel digits of Chroma-C210 flash, focus the camera lens on MEAS; meanwhile, the lens close to TV.
Operation Steps:
a. Connect the signal cables to the corresponding input jack.
b. Color temperature adjustment:
1. Press “MENU” button to enter OSD, and complete the following processes:
Power saving: OFF
Select picture vivid;
Activate picture reset function
2. adjust White Balance for cool temperature;
Select Cool color temperature in the OSD menu, and press OK-OK-MUTE-OK-MUTE-MENU to enter into factory mode;
Exchange Timing 78, pattern 45 (480i, 65% white) for K-8256, fix GG=240, decrease RG, BG (if G<240, B=255), X=0.2728+/-0.002，Y= 0.2660+/-0.002 (RG, GG, BG<=255).
Exchange TIMING78，PATTERN46（480i,30%WHITE）for K-8256, if GO or BO or RO=125, adjust the other three factors to make X=0.2728+/-0.003，Y=0.2660+/-0.003 (RO, GO, BO<=125)
Repeat the above two steps to meet X＝0.2728＋/-0.002，Y＝0.2660+/-0.002 at 65% white and X＝0.2728＋/-0.003，Y＝0.2660+/-0.003 at 30% white.
3. adjust White Balance for neutral temperature;
Select neutral color temperature in the OSD menu, and press OK-OK-MUTE-OK-MUTE-MENU to enter into factory mode;
Exchange Timing 78, pattern 45 (480i, 65% white) for K-8256, if GG or BG or RG≥253, adjust the other three factors to make X=0.2900+/-0.002，Y= 0.2920+/-0.002 (RG, GG, BG<=255).
Exchange TIMING78，PATTERN46（30%WHITE）for K-8256, if GO or BO or RO=125, adjust the other three factors to make X=0.2900+/-0.003，Y=0.2940+/-0.003(RO,GO,BO<=125)
Repeat the above two steps to meet X＝0.2900＋/-0.002，Y＝0.2920+/-0.002 at 65% white and X＝0.2900＋/-0.003，Y＝0.2940+/-0.003at 30% white.
4. adjust White Balance for warm temperature;
Select warm color temperature in the OSD menu, and press OK-OK-MUTE-OK-MUTE-MENU to enter into factory mode;
Exchange Timing 78, pattern 45 (480i, 65% white) for K-8256, if GG or BG or RG≥253, adjust the other three factors to make X=0.3190+/-0.002, Y=0.3250+/-0.002 (RG, GG, BG<=255).
Exchange TIMING78，PATTERN46 (30%WHITE) for K-8256, if GO or BO or RO=125, adjust the other three factors to make X=0.3200+/-0.003, Y=0.3270+/-0.003(RO, GO, BO<=125)
Repeat the above two steps to meet X＝0.3190＋/-0.002，Y＝0.3250+/-0.002 at 60% white and X＝0.3200＋/-0.003 Y＝0.3270+/-0.003 at 30% white.
DISASSEMBLE
> Lay the monitor face down on a stable, soft and level surface with the Tabletop Stand hanging over the edge of the surface.
> Remove the six screws as shown on the left, and remove the Tabletop Stand from the unit.
> Remove the screws marked in red and then disassemble the back cover.
> Remove the screws marked in red to disassemble the shield.
> Remove the screws marked in red to disassemble the main frame and the adapter board.
> Remove the screws and then remove the bracket stand.
Remove the screws marked in red and then the main frame can be disassembled.
Wring down the screws of locked the panel, and then you can see the bare panel.
SMPS & BACK-LIGHT INVERTER SCHEMATIC
CLICK ON THE PICTURES TO MAGNIFY