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 25 March 2019

PANASONIC CT-36HL42F _ CT-36HL42UF _ CT-36HL42CF _ SERVICE MODE

PANASONIC CT-36HL42F _ CT-36HL42UF _ CT-36HL42CF _ SERVICE MODE






TO ENTER SERVICE MODE

When minor adjustments need to be done to the electronic controls, the method of entering the service mode without removal of the cabinet back is as follows using the remote control:
  • Select SET-UP icon and select CABLE mode.
  • Select TIMER icon and set SLEEP time for 30 Min.
  • Press “ACTION” twice to exit menus.
  • Tune to the channel 124.
  • Adjust VOLUME to minimum (0).
  • Press VOL (decrease) [ < ] on receiver. 
  • Red “CHK” appears in upper corner.+
  • After receiver is set into service mode, set TIMER back to NO.
TOGGLE BETWEEN AGING AND SERVICE MODES
  • While the “CHK” is displayed on the left top corner of the CRT, pressing “ACTION” and “VOL” UP on the TV simultaneously will toggle between the modes. Red “CHK” for service and yellow “CHK” for aging.

  • Press POWER on the remote control to display the service adjustment modes menu, select adjustment by pressing the volume right/left buttons and channel up/down buttons on the remote and ACTION to enter the adjustment.
  • Some adjustments are available only in some modes (480i, 480p, 1080i); it is needed to apply the format.
  • A 1080i, 480p, 480i pattern can be obtained from Panasonic’s TU-DST51 set-top box DTV decoder.
 TO EXIT SERVICE MODE  [Method-1]
  • This TV goes out from service mode when it is unplugged or turned OFF.
  • To exit the service mode, turn the TV OFF or unplug the TV from AC.
[Method - 2]
  • Press ACTION and POWER on the receiver simultaneously for at least 2 seconds.
  • The receiver momentarily shuts off; then comes back on tuned to channel 3 with a preset level of sound.
  • Any programmed channels, channels caption data and some others user defined settings will be erased when exited by pressing ACTION and POWER on receiver.  
  • Always check that the TV exits the service mode.
TO CHECK COLORS
  • Press RECALL on the remote control when in service mode (red “CHK” is displayed) to enter the purity field check mode.
  • Press RECALL again to select desired field.
  • Toggles [NORMAL SCREEN à WHITE SCREEN à RED SCREEN à GREEN SCREEN à BLUE SCREEN  à AND BACK TO NORMAL SCREEN  à THE CYCLE REPEATS]
ENTERING SERVICE MODE WITHOUT REMOTE CONTROL [BACK OPENED]
  • While the receiver is connected and operating in normal mode, momentarily short test point FA1 (A15 pin 2) to cold ground (A-Board).
  • The receiver enters the aging mode.
  • Yellow letters “CHK” appear in the upper left corner of the screen.
  • (The VOLUME up/down will adjust rapidly).
Posted By: FRANK at 03:27
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