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!

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Monday, 18 March 2019

PHILIPS MAGNAVOX - 26MD251 – 32MD251 – 37MD321 – 37MF331 – 42MF231 – 42MF521 – 42MF531 - HOW TO ADJUST WHITE BALANCE - HOW TO UPGRADE SOFTWARE

PHILIPS MAGNAVOX - HOW TO ADJUST WHITE BALANCE - How to Upgrade Software - 26MD251 – 32MD251 – 37MD321 – 37MF331 – 42MF231 – 42MF521 – 42MF531

WHITE BALANCE ADJUSTMENT
In case the white-balance data memory IC or main EEPROM which storage all factory settings were replaced due to a defect, the data have to be re-adjust It is advised to re-soldered DDC IC and main EEPROM from the old board onto the new board if circuit board have been replaced, in this case the white-balance data does not need to be re-adjust.
Adjustment process
  • Press the “062596” and INFO key(Red key) with IR Remoter in TV mode, there is a warning OSD displayed.
  • In the Factory menu, select “Alignments à White point”
  • There are “Color temperature”, “White point red”, “White point green”, “White point blue”, “Red BL  offset” and “Green BL offset” items which can be adjusted.
  • After adjust the items, go back to the factory main menu, press DOWN to next page, and select “Store”, press “OK” key, then the OSD will show “store completed”
  • Reboot the TV set.  The white balance setting is changed.
Typical white balance value
Software Upgrade Procedure
File fort the main application software upgrade
  • The UPG file which you want to be upgraded should be copied to the folder “upgrades” in the root of USB, the file which is named as “  ”hja5usecotpv_dev_RXX.upg” [the XX of the filename is the version of the software] and the file size is about 9875K.
Upgrade the main application software in normal mode
  • Push the USB in the USB interface of the PDP TV set.
  • The PDP TV set is in power on mode [normal mode]
  • Enter the user menu, select “Installation à software upgrade à local upgrades/application” with IR remote control, the application will check the software from USB automatically.
  • Select the file you want to update to the TV set and use INFO key with IR Remoter to do “Upgrade now.
  • If the software version you selected is equal or older than current one, the OSD for confirmation will be displayed, choose YES (FORMAT key) to upgrade and No (key) to cancel the upgrade; else the software will be upgraded automatically.
  • When the upgrade is finished automatically, reboot the set.
Posted By: FRANK at 02:50
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