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 !

Wednesday, 27 February 2019

HOW TO ENTER SERVICE MENU TO - SONY KV-14M1K_KV21-M3K _ KV-21T1K_


HOW TO ENTER SERVICE MENU TO - SONY KV-14M1K_KV21-M3K _ KV-21T1K_

KV-21T3K_KV-21T5K_KV-21X5_KV-21C5K_KV-25R2K_KV-25X5K_KV-25C5K_KV-29X5K_KV-29C5K_KV-29C3K.

To enter the service mode to these set
Press these buttons on the remote in sequence
[DISPLAY-5-VOL+-POWER]
Use digits 1 & 4  to call for an ite to adjust.
Use digits 3 & 6 to adjust the data value to selected item.
Use "Muting" button to wirite the adjusted value in memory.
Use [0] button to execute the writing.
Pressing digits 7 & 0 : All data becomes the value in memory.
Pressing digits 8 & 0 : All use control goes to the standard state.
Pressing digits 5 &0 : Service data initilization. [Used spairingly.]
Pressing digits 2 & 0 : Write 50Hz adjustment to 60Hz, and vice versa.
White Balance Adjustment
* Set to service mode.
** Input an entire white signal.
*** Set the picture to Maximum.
**** Select RDR [09], with digits 1 & 4 keys, and set the data value to [25] with digits 3 & 6.
***** Select GDR [0A], and BDR [0B], with digit keys 1 & 4, and adust the level with dit keys 3 & 6,  for best white balance.
****** Press 'Muting" and "0" button on the remote to wirte the new data value into memory and to execute it.
Memory Write Confirmation Method.
* After adjustment, pull out the power plug from AC outlet, and the replug it again.
** Turn power switch ON, and set into service mode.
*** Call the adjusted item again, and confirm they were adjusted.
Method of cancellation from service mode.
* Set the standby condition. [Press POWER] button on the remote control, and then press POWER button again to cancel service mode.
Adjustment after memory replacement.
* Enter into service mode.
** Press buttons [5]&[0] (Data Initilize), and [2]&[0] (Data copy), to initilize the data.
*** Call each item number, and check if the respective screen shows the normal picture.
**** Select numbers '3E' (OP0), '3F' (OP1) and '40' (OP2), and resspetively set the bit per model with [3]&[6] buttons on the remote control.
***** Press digits [8]&[0] (Test normal), to return to data that was set on the shipment from the factory. [this will also cancel the service mode].
Posted By: FRANK at 03:47
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