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!

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Monday, 25 February 2019

VIEWSONIC - N3235W1M 32 INCH LCD TV ENTERING SERVICE MODE ADJUSTMENTS


VIEWSONIC - N3235W1M 32 INCH LCD TV ENTERING SERVICE MODE ADJUSTMENTS



TO ENTER SERVICE MODE
  • Press 'Power" 'Up button' and press Enter.  
  • Test, display modes & Patterns.
  1. Timing 1366*768@60Hz.
  2. Pattern 16*12 pane.
  3. Select EEPROM INITIAL and press Enter. The act of EEPROM INITIAL is completed when EEPROM INIT disappeared.
  • Color Temperature Adjustment.
  1. Timing 1360*768@60Hz.
  2. Pattern: 16 gray scale.
  3. TV should be run-in and warm up for at least 30 minutes.
  4. Make sure the distance between Sensor of the CA110 and TV is about 20cm.
Color Temperature Adjusting
  1. Under the picture 16 gray scale of VGA source, select 'White Balance' and press 'Enter'.  The color warm will auto adjust.  The act of White Balance is completed when the picture is steady.
  2. After adjusting the switch to 'Full white' check the value of each color. Preset color for N3235WM [x=0.283+/-0.015.  y=0.298+/-0.015.
  3. Under picture NTSC color bar of YPbPr source, select 'White Balance' and press 'Enter'  The color warm will auto adjust.  The act of EHITE BALANCEL is completed when EHITE BALANCEL disappeared.
  4. After adjusting the switch to Full White, and check the value of each color.