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 !

Saturday, 23 February 2019

POLOROID - FLM-3201 SERVICE MODE

POLOROID - FLM-3201 SERVICE MODE



TO ENTER SERVICE MODE

  • To enter Service Mode, press ]VOLUME => MUTE => VIDEO] repeatedly.
  • Press "Enter" to select different items when the first line of each adjustment item just lights up.
  • Input "VGA & DVI" signals, and then the second mode item.
  • Press "Enter' to select three kinds of colour temperature: 6500K, 8300K & 12000K.
  • To "Exit" from service mode, press "Menu" button.
EEPROM INITIALIZATION
  • Enter the first page of Service Menu and select "Clear eeprom", and press "Enter".  
  • After the process is over, and after the display "OK" appears on the screen, shut down the unit by its main power ON | OFF switch.
PERFORMANCE CHECK
  • TV FUNCTION:  Enter searching menu => auto search, connect RF-TV terminal with central signal source and check if there are channels be skipped.
  • AV/S, YpbPr TERMINALS:  Input AV/S, HD signal, check it for normal.
  • VGA TERMINAL:  Insert VGA terminal, input VGA format signal of [640*480@60Hz], and check if the display is normal.  If interference exists, press the Auto-Adjust button on the remote control again and check if it is normal.
  • DVI TERMINAL:  Insert DVI terminal, input signal of [640*480@60Hz] and check if the display is normal.  
  • CHECK COUND CHANNEL:  Check the speaker and headphone for each channel.
PRESETTING BEFORE EX-FACTORY DEFAULT VALUES

ITEM  => SETTING
  • Picture Mode => Natural
  • sound Mode => News
  • N/R => Weak.
  • Screen => 16:9.
  • OSD Language  => English.
  • VGA colour temperature  => 9300.
  • Speaker  => On.
  • Head Phone  => On.
  • Balance  => 50.
  • SRS  => Off.
  • CCD  =>  Off.
  • Turn Off  => TV.
SOFTWARE UPGRADING
  1. Select a Serial Connection Wire and a VGA connection wire and connect them by means of a patch panel.
  2. Use a serial wire to connect the PC to the patch panel, and set TV to 'OFF" state.  Open the software upgrade file folder, and double click 'FlashUpgraderNT.exe' icon.
  3. Based on the computer features, set up the serial port [COM port].  Select corresponding serial port (if it is unable to Flash Write, change to an other port).  Select the Baud rate to 115200.  Select Reset Target after Download.  Click Flash pushbutton, and is ready to run.  
  4. Swith ON the TV set, the FLASH write program begins to run.
  5. After flash write  IS OVER, push button, 'Cancel' will besom flash.  
  6. Then shut the Main Power Supply and it's OK just switch it ON again. 
  7. [DO NOT SHUT POWER 'OFF' OR TURN THE TV SET 'ON' DURING THE "FLASH WRITE".  Otherwise, it may lead to no way flash to rewrite.]
Posted By: FRANK at 02:57
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