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 !

Thursday, 21 March 2019

PANASONIC TC-26LX20 - TC-32LX20 - TC-22LR30 - SELF CHECK & SERVICE MODE ADJUSTMENTS MODE CHART - TROUBLESHOOTING CHART

PANASONIC TC-26LX20 - TC-32LX20 - TC-22LR30 - SELF CHECK & SERVICE MODE ADJUSTMENTS MODE CHART - TROUBLESHOOTING CHART



SELF CHECK FUNCTION FOR TV SECTION
The self-check feature is designed to check if a particular component is functioning and it does not actually diagnose the problem .For example “Tuner Check OK” doesn’t’ necessarily mean that it is OK. It pings or selectively addresses that particular device via the I2C Bus to determine if it exists. The same holds true for the Global Core IC’s, the MTS, the Sound circuit, and the Audio/Video switches. However, it should be noted that the displayed results could be misleading by indicating that it is OK.  The troubleshooting section of these documents intended to provide the necessary guidance and assistance in the fault isolation of a particular problem and will serve as a diagnostic tool for troubleshooting.

SELF CHECK ACCESS
To access the self check mode:
Press the VOLUME-Down Button on the unit and SLEEP button on the remote at the same time.
To exit press any key.

SELF CHECK DISPLAY [HOW TO DISPLAY]
DISPLAY ON SCREEN
SERVICE ADJUSTMENT MODE FOR TV
  • While the unit is powered on, hold down the “Volume Down” button on the unit while pressing the “Display” button on the remote three times (within 2 seconds).
  • The service adjustment mode menu will appear on screen as shown on the right. Service mode is broken down into two categories, Main Items, which are all displayed on the menu screen and Sub Items. 
HOW TO NAVIGATE THE ADJUSTMENT MODE
  • Use the number buttons “1” and “2” on the remote control to change the Main Item. The number “1” button will cycle from the MAIN option down to the DVD option. The number “2” button will cycle in reverse direction.
  • Use the number buttons “3” and “4” on the remote control to cycle through the Sub Items until the proper adjustment is reached.
  • Adjustment of the Sub Item is made using the “Volume” buttons on the remote control.
  • Data changes are saved automatically when you switch Sub or Main Items, or if you exit the service mode.
  • When the DVD adjustments are accessed, the unit switches to the DVD mode. The software version of the DVD Player can be displayed here.
HOW TO EXIT ADJUSTMENT MODE
  • Switch off the “Power” button on the main unit or press the “Power” button on the remote control.
Warning: If you are making adjustments in the service mode, keep a record of the data value before making the adjustment.
SERVICE ADJUSTMENT MODE CHART
TROUBLESHOOTING
Posted By: FRANK at 03:25
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