REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Friday, 5 April 2019

LG 42LH70YD HOW TO ADJUST WHITE BALANCE - ADJUSTMENT - LG 42LH70YD - LCD TV

HOW TO ADJUST WHITE BALANCE - ADJUSTMENT - LG42LH70YD - LCD TV

WHITE BALANCE ADJUSTMENT
Test Equipment: CA-210
Using LCD color temperature, Color Analyzer (CA-210) must use CH 9, which Matrix compensated (White, Red, Green, Blue compensation) with CS-2100. See the Coordination bellow.
Manual adjustment sequence is
  • Turn to "Ez-Adjust" mode with press ADJ button of service remocon.
  • Select "10.Test Pattern" with CH+/- button and press enter. Then set will go on Heat-run mode. Over 30 minutes set let on Heat-run mode.
  • Let CA-210 to zero calibration and must has gap more 10cm from center of LCD module when adjustment. 
  • Press "ADJ" button of service remocon and select "7.White-Balance" in "Ez-Adjust" then press "Ü" button of navigation key.  (When press "Ü" button then set will go to full white mode)
Adjust at three mode (Cool, Medium, Warm)
  • If "cool" mode ; Let B-Gain to 192 and R, G, B-Cut to 64 and then control R, G gain adjustment High Light adjustment.
  • If "Medium" and "Warm" mode; Let R-Gain to 192 and R, G, B-Cut to 64 and then control G, B gain adjustment High Light adjustment.
  • All of the three mode; Let R-Gain to 192 and R, G, B-Cut to 64 and then control G, B gain adjustment High Light adjustment. [With volume button (+/-) you can adjust.]
  • After all adjustment finished, with Enter (Ykey) turn to Ez-Adjust mode. Then with ADJ button, exit from adjustment mode.
Attachment: White Balance adjustment coordination and color temperature.
Using CS-1000 Equipment.
COOL : T=11000K, ¦uv=0.000, x=0.276 y=0.283
MEDIUM : T=9300K, ¦uv=0.000, x=0.285 y=0.293
WARM : T=6500K, ¦uv=0.000, x=0.313 y=0.329
EYE-Q Function checks.
  1. Turn on TV
  2. Press EYE Key of Adj R/C
  3. Cover the Eye Q II sensor on the front of the using your hand and wait for 6 seconds
  4. Confirm that R/G/B value is not lower than 10 of the ‘Raw Data (Sensor data, Back light)”. If after 6 seconds, R/G/B value is not lower than 10, replace EYE Q II sensor.
  5. Remove your hand from the EYE Q II sensor and wait for 6 second
  6. Confirm that “OK” pop up. If change is not seen, replace EYE Q II sensor.
Selection of Country option.
Selection of country option is allowed only North American model  (Not allowed Korean model). It is selection of Country about Rating and Time Zone.
Models: All models, which use LA75A Chassis.
  • Press “In-Start” button of Service Remocon, then enter the “Option” Menu with “PIP CH-“Button.
  • Select one of these three (USA, CANADA, MEXICO) defends on its market using “Vol. +/-“button.
Caution: Don’t push The Instop Key after completing the function inspection.
Posted By: FRANK at 01:49
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