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 !

Tuesday 15 January 2019

PHILIPS 22PFA5403S/67, 22PFA5403S/70 – HOW TO ENTER THE SERVICE MODE, FIRMWARE UPDATE, POWER BOARD SCHEMATIC

Philips 22PFA5403S/67, 22PFA5403S/70 – how to enter the service mode, firmware update, power board schematic

Philips TPH18.2A chassis
Service Modes
The Service Mode feature is split into following parts
 Factory Mode.
 Customer Service Mode (CSM).
Factory mode offer features, which can be used by the Service engineer to repair/align a TV set. Some features are
 Make alignments (e.g. White Tone).
Display information.
The CSM is a Service Mode that can be enabled by the consumer. The CSM displays diagnosis information, which the customer can forward to the dealer or call centre. The information provided in CSM and the purpose of CSM is to:
 Increase the home repair hit rate.
 Decrease the number of nuisance calls.
 Solved customers’ problem without home visit.
How to Activate the Factory mode
To activate the Factory mode, use the following method
 Press the following key sequence on the remote control transmitter: from the “Menu/Home” press “1999”, directly followed by the “Back/Return” button. 
Do not allow the display to time out between entries while keying the sequence.
After entering the Factory mode, we can see many items displayed, use the UP/DOWN keys to display the next/previous menu items.
To Exit the Factory mode
 Select “EXIT” from the menu and press the “OK” button.
Note: When the TV is switched “off” by a power interrupt, or normal switch to “stand-by” while in the factory mode, the TV will show up in “normal operation mode” as soon as the power is supplied again. The error buffer will not be cleared.
Customer Service Mode (CSM)
Purpose
The call centre can instruct the customer (by telephone) to enter CSM in order to identify the status of the set. 
This helps the call centre to diagnose problems and failures in the TV set before making a service call.
The CSM is a read-only mode; therefore, modifications are not possible in this mode.
How to Activate CSM
To activate CSM, press the following key sequence on a standard remote control transmitter: from the “Menu/Home” press“456987” (do not allow the display to time out between entries while keying the sequence). After entering the Customer Service Mode, the following items are displayed.
Use the Right/Left keys to display the next/previous menu items Note: Activation of the CSM is only possible if there is no (user) menu on the screen.
By means of the “CURSOR-DOWN/UP” knob (or the scroll wheel) on the RC-transmitter, can be navigated through the menus.
How to Exit CSM
To exit CSM, use one of the following methods.
 Press the MENU/HOME button on the remote control transmitter.
 Press the POWER button on the remote control transmitter.
 Press the POWER button on the television set.
Power board circuit diagram
Software Upgrading
Ready for F/W Upgrade
1. Prepare a USB memory (File format: FLAT, Size: 1G~8G).
2. Copy the software (.bin file) to USB flash disk (root directory).
3. Rename the file name to “image.bin”.
4. Insert the USB memory stick that contains the software update files in TV’s USB 2.0 port.
F/W Upgrade
1. Power off then power on the TV. The TV will detect the USB memory stick automatically.
2. When the TV software is updated, please reboot the TV. Remove your USB flash drive.
3. We can enter in CSM mode to check the current software version.
Caution: Please make sure that software upgrade is finished before unplug the USB and AC power.
 Check the SW version
1. After burning software, restart the TV.
2. Press “Menu/Home+456987”, enter Customer Service Mode to check if the software version is correct.
Posted By: FRANK at 08:49
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