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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All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Monday, 18 March 2019

PHILIPS 20DV693 CTV HOW TO ENTER, ADJUST AND EXIT SERVICE MODE

PHILIPS 20DV693 CTV HOW

TO ENTER, ADJUST AND EXIT SERVICE MODE 

Philips 20DV693 - CRT TV - Service Mode and adjustments
TO ENTER SERVICE MODE
  • Use a standard customer RC-transmitter and key in the code ‘062596’ directly followed by the OSD / STATUS button.
  • The following screen is visible, with SAM at the upper right side for recognition. [SAM = Service Alignment Mode]
  • LLLL This is the operation hours counter. It counts the normal operation hours, not the standby hours.
  • AAABCD-X.Y This is the software identification of the main micro controller:
A = the project name (L01).
B = the region: E= Europe, A= Asia Pacific, U=
NAFTA, L= LATAM.
  • C = the software diversity: C= NTSC, D= DVD, N= no TXT, T= TXT.
D = the language cluster number.
X = the main software version number.
Y = the sub software version number.
  • SAM Indication of the actual mode.
  • Error buffer Five errors possible.
  • Option bytes Seven codes possible.
  • Clear Erase the contents of the error buffer. Select the CLEAR menu item and press the CURSOR RIGHT key. The content of the error buffer is cleared.
  • Options To set the Option Bytes.
  • AKB Disable (0) or enable (1) the ‘black current loop’ (AKB = Auto Kine Bias).
  • Tuner To align the Tuner. See chapter 8.3.2 for a detailed description.
  • White Tone To align the White Tone.
  • Geometry To align the Geometry.
  • Audio To align the Audio.
TO NAVIGATE
  • In SAM, select menu items with the CURSOR UP/DOWN key on the remote control transmitter. The selected item will be highlighted. When not all menu items fit on the screen, move the CURSOR UP/DOWN key to display the next / previous menu items.
  • With the CURSOR LEFT/RIGHT keys, it is possible to:
(De) activate the selected menu item.
Change the value of the selected menu item.
Activate the selected sub-menu.
  • When you press the MENU button twice, the set will switch to the normal user menus (with the SAM mode still active in the background). To return to the SAM menu press the OSD / STATUS button [ i+ ].
  • When you press the MENU key in a sub-menu, you will return to the previous menu.
TO EXIT SERVICE MODE
Switch the set to STANDBY by pressing the power button on the remote control (if you switch the set 'off' by removing the AC power, the set will return in SAM when AC power is reapplied). The error buffer is not cleared.
Posted By: FRANK at 02:28
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