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 12 February 2019

SONY - LCD TV_ KDL 32BX400_KDL40BX400_LED BLINKING CODES_SERVICE MODE_DISASSEMBLY PROCEDURE

SONY - LCD TV_ KDL 32BX400_KDL40BX400_LED BLINKING CODES_SERVICE MODE_DISASSEMBLY PROCEDURE




LED BLINKING CODES [LED flashes]
  • The identification of errors within the AZ1-N chassis is triggered in one of two ways:
  1. Busy.
  2. Device failure to respond  to IIC.
  • In the event of one of these situations arising, the software will  first try to release the bus if busy.  Failure to do so will report with a continuous flashing LED, and then communicate with each device in turn to establish if a device is faulty.  If a device is found to be faulty the relevant device number will be displayed through LED.  The series of Flashes which must be counted.
Number of LED flashes.
Error description
Checked
Action
02
Power supply protection error.
In normal and factory mode.
Goes to standby.
03
Audio error.
In normal and factory mode.
Goes to standby.
04
Balancer error.
In normal and factory mode.
Goes to standby.
05
Panel error & Panel ID error.
In normal and factory mode.
Goes to stahdby.
06
Inverter error.
In normal and factory mode.
Goes to standby.
13
NVM error.
In initialization state.
Adds error to error menu.
14
I2C error.
In normal and factory mode.
Adds error to error menu.
15
Tuner error.
In initialization state.
Adds error to error menu.
16
DVB – T/C Demod error.
In initialization state.
Adds error to error menu.
18
USB error.
In normal and factory mode.
Adds error to error menu.
19
Cl error.
In normal and factory mode.
Adds error to error menu.
RESETTING ERROR CODES [OSD SERVICE MENU]
  1. If software version of the set is older than M8R31 (M8.311), update to latest version.
  2. Power Off / Power On.
  3. Apply TT19.
  4. Apply TT08. TV switches Off and then restarts.
  5. Confirm error has disappears.
Note:  TT19 is necessary, if Factory Mode is not enabled.
When Factory Mode is enabled "F" is shown on top right screen in TT mode.
HOW TO ENTER SERVICE MODE [FACTORY]
  • Turn ON the Power to TV set.
  • Press { [i+] => 5 => Vol + => Tv/Standby} in sequence.
DISASSEMBLY 
  • Remove the rear cover fixing screws  and then carefully  pull the rear cover away from the back of the set.
  • Remove the 4 stand fixing screws and lift the TV set up away from the Stand Ass'y.
  • Remove the speaker bracket remove one screw.  Then gently pull the speaker bracket away from the back of the TV set.
  • To remove the speaker, first disconnect the speaker connections and then remove 2 screws. Gently pull the speaker out of the speaker bracket.

  • To remove the Under cover, first remove the rear cover, and the stand ass'y.  Then remove one screw, gently pull the under cover away from the back of the TV set.
  • To remove the 'Static Converter' board, disconnect all connections, and then remove 4 screws and ease the board gently away from the back of the set.
  • To remove the 'BEN' board, disconnect all connectors and then remove the 4 screws and ease the board gently away from the back of the TV set.
  • To remove the 'H2LS' board, disconnect the 1 connector and release the 3 clips and ease the board gently away.
  • To remove the HLR board, first remove the speaker bracket, then disconnect one connector or HLR board and release the 2 clips and ease out the board.



Posted By: FRANK at 02:27
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