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 - LC4.1E CHASSIS - LCD TVs - ERROR CODES - LED BLINKING CODES & DETAILS -

PHILIPS - LC4.1E CHASSIS - LCD TVs - ERROR CODES - LED BLINKING CODES & DETAILS -



ERROR CODES
  The error code buffer contains all errors detected since the last time the buffer was erased. The buffer is written from left to right. When an error occurs that is not yet in the error code buffer, it is displayed at the left side and all other errors shift one position to the right.
HOW TO READ ERROR CODES
On screen via the SAM (if you have a picture).
Examples:
ERROR: 0 0 0 0 0 : No errors detected
ERROR: 6 0 0 0 0 : Error code 6 is the last and only detected error.
ERROR: 9 6 0 0 0 : Error code 6 was detected first and error code 9 is the last detected (newest) error
Via the blinking LED procedure (when you have no picture).
Via ComPair.
TO CLEAR ERROR BUFFER
By using the CLEAR command in the SAM menu: [to know more about SAM menu, check the previous post here]
  • To enter SAM, press the following key sequence on the remote control transmitter: “062596directly followed by the OSD/STATUS button (do not allow the display to time out between entries while keying the sequence).
  • Make sure the menu item CLEAR is highlighted. Use the MENU UP/DOWN buttons, if necessary.
  • Press the MENU RIGHT button to clear the error buffer. The text on the right side of the “CLEAR” line will change from “CLEAR?” to “CLEARED”
  • If the contents of the error buffer have not changed for 50 hours, the error buffer resets automatically.
Note: If you exit SAM by disconnecting the mains from the television set, the error buffer is not reset.
ERROR CODES
In case of non-intermittent faults, write down the errors present in the error buffer and clear the error buffer before you begin the repair. This ensures that old error codes are no longer present.  If possible, check the entire contents of the error buffer. In some situations, an error code is only the result of another error and not the actual cause of the problem (for example, a fault in the protection detection circuitry can also lead to a protection).
Error
Device
Error description
Check item

0
Not applicable


1
Not applicable


2
Not applicable


3
Not applicable



4
GM5221
I2C error while communicating
with the Genesis Scaler and/or Flash-ROM is faulty/empty


7401
7403
5
Not applicable
+5v protection
7930

6
i2C bus
General I2C error
7011, 3083,
3084

7
Not applicable


8
M24C32
I2C error while communicating
with the Scaler EEPROM


7402
9
M24C16
I2C error while communicating
with the EEPROM


7099
10
Tuner
I2C error while communicating
with the PLL tuner

1302, 3302,
3303, 3327
11
Not applicable


12
Not applicable


13
Not applicable


LED BLINKING PROCEDURE
When the SDM is entered, the front LED will blink the contents of the error-buffer:
  • The Led blinks with as many pulses as the error code number, followed by a time period of 1.5 seconds, in which the Led is off.
  • Then this sequence starts is repeated.  Any RC5 command terminates this sequence.
Example of error buffer: 12 9 6 0 0
After entering SDM, the following occurs:
  • 1 long blink of 5 seconds to start the sequence,
  • 12 short blinks followed by a pause of 1.5 seconds.
  • 9 short blinks followed by a pause of 1.5 seconds,
  • 6 short blinks followed by a pause of 1.5 seconds,
  • 1 long blink of 1.5 seconds to finish the sequence,
  • The sequence starts again at 12 short blinks.