Question about Televison & Video

5 Answers

2 red Blink error at startup. I've read it's a power supply problem but i don't find any service manual or something to start with. I'm an electronic engineer and i think i can fix the problem with your guidance :-) Cheers from Spain. Ekaitz.

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  • 20 more comments 
  • Ekaitz Garmendia
    Ekaitz Garmendia Aug 30, 2010

    Hi sorry. I thought that the headline would specify it, but i see no headline now.
    The TV is a SONY KV-28WF1E TRINITRON.
    S.N: 4002832
    Thank you!

  • Ekaitz Garmendia
    Ekaitz Garmendia Aug 30, 2010

    Hi sorry. I thought that the headline would specify it, but i see no headline now. The TV is a SONY KV-28WF1E TRINITRON. S.N: 4002832 Thank you!

  • Ekaitz Garmendia
    Ekaitz Garmendia Aug 30, 2010

    The TV is a SONY KV-28WF11E, TRINITRON.

  • Ekaitz Garmendia
    Ekaitz Garmendia Aug 31, 2010

    2 red Blink error at startup. I've read it's a power supply problem but i don't find any service manual or something to start with. I'm an electronic engineer and i think i can fix the problem with your guidance :-) Cheers from Spain. Ekaitz.
    The TV is a SONY KV-28WF1E TRINITRON. S.N: 4002832 Thank you!

  • Ekaitz Garmendia
    Ekaitz Garmendia Aug 31, 2010

    Hi sorry. I thought that the headline would specify it, but i see no headline now.
    The TV is a SONY KV-28WF1E TRINITRON.
    S.N: 4002832
    Thank you!

  • Ekaitz Garmendia
    Ekaitz Garmendia Aug 31, 2010

    Hi sorry. I thought that the headline would specify it, but i see no headline now. The TV is a SONY KV-28WF1E TRINITRON. S.N: 4002832 Thank you!

  • Ekaitz Garmendia
    Ekaitz Garmendia Aug 31, 2010

    Hi sorry. I thought that the headline would specify it, but i see no headline now.
    The TV is a SONY KV-28WF1E TRINITRON.
    S.N: 4002832
    Thank you!

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 01, 2010

    Hi sorry. I thought that the headline would specify it, but i see no headline now. The TV is a SONY KV-28WF1E TRINITRON. S.N: 4002832 Thank you!

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 01, 2010

    Hi sorry. I thought that the headline would specify it, but i see no headline now. The TV is a SONY KV-28WF1E TRINITRON. S.N: 4002832 Thank you!

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 02, 2010

    Hi Palaboy!
    Thanks for your support and perseverance :-)
    I've been pretty busy and i wasn't able to check anything. I'm going to check the steps you said right now.
    I'll let you know.
    Thanks in advance!!
    Cheers.

    Ekaitz.

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 02, 2010

    Hey Palaboy!
    First i checked the 200V line and bingo! There's the problem.
    Wow man, looks like the sample image you put is exactly for my TV :-)
    In the CN701 connector, in the +200V pin, i can only read +68 VAC and +31 VDC. What are we dealing with here? AC or DC?
    The heater pins H1 and H2 have no voltage, and the 1000V pin has the same as +200V.
    We have a flyback problem then?
    I'm going to check the B+ voltage right now.
    Later and thanks again! You rock!

    Ekaitz.

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 03, 2010

    Hey Palaboy! Thanks for the fast responses.
    Alright, my flyback is a 859898800. I don't know if it has the fixed focus cable. Maybe you can tell with these pics?

    [IMGhttp://i390.photobucket.com/albums/oo349...[/IMG]

    [IMGhttp://i390.photobucket.com/albums/oo349...[/IMG]

    [IMGhttp://i390.photobucket.com/albums/oo349...[/IMG]

    About ckecking the horizontal output transistor, i didn't understand what you mean. I must take it out of the board? Unsold the pins and take it out?
    I have no voltage at the heaters right now, i didn't check the grid.

    Cheers!!


  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 03, 2010

    Hey, it says 336-11-7X10 where you highlight.

    About the Collector of Q802, how can i disconnect only the collector? I'll have to unsold the three terminals right? Once it's out i must check the transistor is ok, how do i do this? I'm sorry i never did it before :-(

    Later.

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 06, 2010

    Hey Palaboy.
    I've dismounted the mainboard from the chasis to have acess to the pins of the transistor but before doing anything wrong i prefer asking for advice. For unsoldering the transistor from the PCB and testing it, i must remove the heat dissipaion plate also? Unsoldering the clamping pins of the plate too? Or is there any other way to test the transistor without unsoldering it?
    Cheers!

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 22, 2010

    Hey Palaboy.
    Can you continue with my problem? I'm sorry about the bid delay.
    Thank you.
    Regards.

    Ekaitz.

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 22, 2010

    Hi Palaboy,
    Yes, i've recieved all your replies :-). I will check it tomorrow disconecting the Base or Emiter aswell, and i'll give you the results. Cheers!

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 25, 2010

    Here i am again.
    I've cut both Collector and Emitter, and the results are the following, with the tester in the Diode mode, and first Black terminal and second the Red:
    B - C : 1' (open), B -E: 0.025, C - B: 0.613, E - B: 0.025, C - E: 0.629, E - C: 1' (open). What do you think? looks like it's good, isn't it?
    Cheers!

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 25, 2010

    Hey man.
    I've checked the 200V line and Collector, and when i turn on it reads about 136VDC, but after 5 seconds or so it starts to drop and stops at 32VDC. What's going on?
    Thank you!

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 30, 2010

    Ok, so it's the flyback what is shorted? Shall i buy one with the reference you gave me?
    Thank you!
    Cheers!

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 30, 2010

    Sorry but i don't understand when you refer to "the term". Do you mean the flyback is partially shorted? Shall i buy one? Thanks again.

  • Ekaitz Garmendia
    Ekaitz Garmendia Oct 02, 2010

    Ok, i've ordered it. I'll let you know when i get it and if i have any problems when replacing. The cable that goes into the screen is with some kind of rubber at the end. How can i replace that?
    Cheers!

  • Ekaitz Garmendia
    Ekaitz Garmendia Nov 03, 2010

    Hi Palaboy.
    I recieved the flyback yesterday and i've replaced it.
    First: There's one pin less in this one. The old one had a pin appart from the ones in the circle, which is the earth i think, and the new one doesn't have this pin.
    Second: How do i connect the black cable to the slot where the tube is going? Do i have to unsolder all the pins in circle and take it out so i can open it and make the connection inside?
    Thanks for your help! The end is near!! :-)

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5 Answers

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You got to pay for it  
http://www.univisionclasificados.com/item-260643306055-Sony+TV+service+manuals+on+2+dvd.html

Posted on Sep 01, 2010

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  • 5,807 Answers

Hi,

Welcome to Fixya!

please post the Model and Make ( year perhaps )

( or chassis number ) to start helping you.

Posted on Aug 31, 2010

  • 36 more comments 
  • Rommel Cana
    Rommel Cana Aug 31, 2010



    2 blinks means

    02 - Protection circuit trip


    • Here are other possible causes :

    3 - IIC SCL LOW
    04 - IIC SDA LOW
    05 - IIC SDA and SCL LOW
    06 - Jungle/chroma controller no acknowledge
    07 - Video switch no acknowledge
    08 - Tuner no acknowledge
    09 - MSP no acknowledge
    10 - NVM no acknowledge


    Here are my possible solution .

    • Disconnect the CRT Board from the CRT after measuring voltages on the 200V

    line.

    Sample image ( on schematics )




    Scenario 1:


    • If the voltage is about 115V ( but not 200V ) then it means


    Flyback


    is not

    oscillating


    Scenario 2


    If there is none ,





    • Check the B+,

    • Check Horizontal Output transistor could be shorted



    There could be other causes but let us try these first .

  • Rommel Cana
    Rommel Cana Aug 31, 2010




    • Service Position 1 and CRT Board Location:



  • Rommel Cana
    Rommel Cana Aug 31, 2010





    • You can clip your Negative probe ( Multimeter ) here:


    ( sample image )



  • Rommel Cana
    Rommel Cana Aug 31, 2010





    • Here are the typical outputs of the Power Supply ( Normally speaking )



  • Rommel Cana
    Rommel Cana Sep 01, 2010



    have you open up your TV , and try to see what is inside?

  • Rommel Cana
    Rommel Cana Sep 01, 2010
  • Rommel Cana
    Rommel Cana Sep 01, 2010





    Or would you like something to check , without having power on your TV?

    these might take you some time , but I just hope

    you have read the solutions I have posted above.

  • Rommel Cana
    Rommel Cana Sep 03, 2010




    Here are additional things you can do,


    Only an option , to prove your Horizontal Output transistor is OK,


    You can take it out of the Board, ( Main ).


    you will find two ( 2 ) things:

    a ) that your Horizontal Out transistor is OK


    b ) Your B+ will rise to about 135V dc , same with your 200V dc line,

    No heater voltage, no G2

    these means your power supply is OK

  • Rommel Cana
    Rommel Cana Sep 03, 2010



    And these conclude your


    Flyback

    is partially shorted.

  • Rommel Cana
    Rommel Cana Sep 03, 2010




    here is a sample image of your Horizontal Out Transistor:


  • Rommel Cana
    Rommel Cana Sep 03, 2010



    according to the service manual there are two ( 2 ) sets of flyback

    you may have to check what is mounted on your board

    it could be either :




    1-453-169-12


    1-453-220-11



    here are the links :


    Flyback transformer for TV's (Online Purchase)


    http://www.technotronic-dimensions.com/P...




    Highlandelectrix LOPTX.TV

  • Rommel Cana
    Rommel Cana Sep 03, 2010




    additional info:


  • Rommel Cana
    Rommel Cana Sep 03, 2010



    please post the number :







    You can disconnect or unsolder Collector of Q802

    just for confirmation .

  • Rommel Cana
    Rommel Cana Sep 03, 2010
  • Rommel Cana
    Rommel Cana Sep 06, 2010



    you do not need to extract it,

    or you just cut the foil side ( Collector ) with a sharp paper cutter and reconnect it later.

    with a jumper ( resistor ) wire.

    even without the power ( unit unplugged ) , there should be no short

    ( multimeter )


    on the collector and emitter.


    even when the base is still connected.


    Collector means the center pin of the transistor

    Base means the left most pin of the transistor

    Emitter means right most pin of the transistor

  • Rommel Cana
    Rommel Cana Sep 06, 2010



    but if you really need , post again the link and i will highlight

    where you will cut the line

  • Rommel Cana
    Rommel Cana Sep 06, 2010



    Another way is to open the resistor for Horizontal drive Transformer


    transistor, So it will not drive the Horizontal Output transistor.


    Surely you will get the true value ( voltage ) of your B+

  • Rommel Cana
    Rommel Cana Sep 06, 2010




    here is the schematics of your alternative:





    you can hang, any pins of the resistor R817 or R816

    to disable drive on the base of the H Out Transistor.


    these would mean a rise of B+ voltage to Normal operation,




    But will not turn On the TV, only for troubleshooting B+ voltages

    and confirming H Out is OK.

  • Ekaitz Garmendia
    Ekaitz Garmendia Sep 19, 2010

    Hey Palaboy.
    I'm really sorry for this long delay. Things happened around and i was very busy.
    Ok, i cut the Colector leg, separated it so there's no contact, and here we have the problem i think. The next are the results on the multimeter at diode position: (First Black and second Red of the multimeter)
    B - C: 1' (open)
    B - E: 0.001
    C - B: 0.51
    E - B: 0.001
    C - E: 0.51
    E - C: 1' (open)

    So my diagnose is that Base and Emitter are in short? So i should change the transistor?
    Thanks for your help!!

    Cheers.

    Ekaitz.

  • Rommel Cana
    Rommel Cana Sep 19, 2010

    you should take out the base or emitter if you use diode check,


    your Horizontal output transistor could be good

  • Rommel Cana
    Rommel Cana Sep 19, 2010

    I just hope you have read my posts

  • Rommel Cana
    Rommel Cana Sep 19, 2010

    One reason you have a short is due to the HDT

    HDT means Horizontal Drive Transformer


    the base and emitter are connected to it.

    ( naturally shorted if you use a diode check )

  • Rommel Cana
    Rommel Cana Sep 19, 2010

    I just hope you have seen the schematics I have posted

  • Rommel Cana
    Rommel Cana Sep 22, 2010

    i just hope you reading these post , please review all i have posted

  • Rommel Cana
    Rommel Cana Sep 22, 2010

    i just hope you can read these, too

  • Rommel Cana
    Rommel Cana Sep 25, 2010

    you can find the specs for your horizontal output transistor

    here:
    http://www.audiolabga.com/pdf/2SC4927.pd...

  • Rommel Cana
    Rommel Cana Sep 25, 2010

    since it is already disconnected , ( HOT ) , you can now safely measure the B ,

    your TV will not completely turn ON, but you can measure the B on the Collector

    or on the 200v line .


    These will accurately tell if your new replacement will work flawlessly.

  • Rommel Cana
    Rommel Cana Sep 25, 2010

    you have no problem with the power supply, it is OK

    same with the HOT,

  • Rommel Cana
    Rommel Cana Sep 25, 2010

    it ( power supply ) will continue to " RUN " when flyback is oscillating.

    Of course with the HOT , read again my tips ( Flyback )

  • Rommel Cana
    Rommel Cana Sep 25, 2010

    here is a link :
    http://www.fixya.com/support/r3704932-a_...

  • Rommel Cana
    Rommel Cana Sep 30, 2010

    thanks for choosing Fixya for assistance

  • Rommel Cana
    Rommel Cana Sep 30, 2010

    the term is partially shorted

  • Rommel Cana
    Rommel Cana Oct 01, 2010

    partially shorted flyback,




    and you need a new flyback details are above

    thanks for choosing Fixya for assistance

  • Rommel Cana
    Rommel Cana Oct 02, 2010

    i have posted a guide how to remove the anode cap , here is the link:
    http://www.fixya.com/support/t104970-tos...

  • Rommel Cana
    Rommel Cana Nov 05, 2010

    could you possibly send me an image for the original part and the new one?

  • Rommel Cana
    Rommel Cana Nov 05, 2010

    the separated pin could be for the trippler ( for G2 and Focus),

    ABL circuits

  • Rommel Cana
    Rommel Cana Nov 05, 2010

    while some are it is still disconnected ,

    measure again the 200v line, just to insure that flyback is

    oscillating


    just be sure that the unconnected wires? are not near a ground potential , metal ,

    and conductor objects, HV can arc if near from any of them at a distance of even 1/8 inch

  • Rommel Cana
    Rommel Cana Nov 05, 2010

    or you could be referring to the CRT socket?

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Can I have the make and model number of the set so that I can help you with your problem?

Posted on Aug 31, 2010

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  • Master
  • 1,961 Answers

To access the power supply section you need to open the cover of your TV. The power supply is the board where the power cord is connected.most common failure of power supply are defective capacitors transistors(regulator) open resistor and a diode. here's a guide link where you see example of bad components that needs to be replace. Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://lcdalternatives.auctivacommerce.com/
http://www.lcdrepair.us/

Posted on Aug 30, 2010

  • 1 more comment 
  • Danilo Baraquiel
    Danilo Baraquiel Aug 30, 2010

    Just follow the instruction there in and if you have question feel free to add a comment and i will answer it good luck pls rate my help..

  • Danilo Baraquiel
    Danilo Baraquiel Sep 04, 2010

    hello im sorry1 your TV is a CRT type TV not an LCD TV my previous post is for LCD tv.Anyway,since your TV has a standby power indicator the problem should be at the high voltage horizontal section.you'll find in this section the horizontal output transistor.this transistor has 3 pins labelled B-base,C collector and E emitter this transistor is responsible for horizontal deflection and act as switch to the plyback transformer.Use a Ohm meter tester to test the pins Collector is the positive supply of the transistor and the Base is the the negative supply so this two pins must not be shoter no reverse reading from the tester.replace if the two pins are shorted.this transistor always mounted with heatzink its supply is high voltage 115v dc.it is always positioned near the plyback transformer.after replacing the transistor check for the fusible resistors near to important reminder always unplug your tv before operation.check also for a shorted diode this circuit always have a zener diode protector labelled R2KS,R2KN look for this diode and replace if it is shorted it is place on the high voltage section.

    The output transistor requires a horizontal pulse coming from the jungle IC or the main processor IC in order for it to switch the input of this transistor is the Base make sure this horizontal pulse is present if not then check the clock of the jungle IC if no clock is present replace the crystal oscillator this crystal oscillator is place near the jungle IC its shape is square color orange sometimes blue with labell in mhz..this is the pulse generator to the jungle IC
    check this first and post a comment for further questions thanks..

  • Danilo Baraquiel
    Danilo Baraquiel Sep 06, 2010

    is your question sir for me?Im alpug not palaboy anaway i will answer your question yes you must unsolder the transistor to get accurate measurement.the base and the collector must not have a reverse reading if so then it is shorted.replace it.!

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  • Master
  • 712 Answers

Can you please specify the model number and company of your television?

Posted on Aug 30, 2010

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1 Answer

How to solve error code E000000 - 0001


The temperature of the fixing assembly is abnormally high.
While startup control is under way, the reading of the main thermistor is less than 30 deg C continuously for 200 msec or more 1 sec after the start of power supply. While startup control is under way, the reading of the main thermistor is less than 70 deg C continuously for 200 msec or more 2 sec after the start of power supply. While startup control is under way, the reading of the main thermistor is less than 120 deg C continuously for 200 msec 6 sec after the start of power supply. The startup control does not end 30 sec after the start of power supply.

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Toshiba 57H81 Blinking power light


Greetings,

Power supply cannot sustain / provide juice to the whole system.
If you are qualified to do electronics, check the power supply section, otherwise contact a repairman.

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FixYa for all your troubleshooting needs.

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E001 fixing assembly overheating
E002 fixing assembly low temperature
E003 post-standby fixing low temperature
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E225 CIS light intensity error
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E5F1 saddle paper folding error
E5F2 saddle guide error
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Regarding most common errors related to fixing section:

E000 The temperature of the fixing assembly is abnormally high.
0001 While startup control is under way, the reading of
the main thermistor is less than 30 deg C
continuously for 200 msec or more 1 sec after the
start of power supply.
While startup control is under way, the reading of
the main thermistor is less than 70 deg C
continuously for 200 msec or more 2 sec after the
start of power supply.
While startup control is under way, the reading of
the main thermistor is less than 120 deg C
continuously for 200 msec 6 sec after the start of
power supply.
The startup control does not end 30 sec after the
start of power supply.
Reset the condition in service mode:
COPIER>FUNCTION>CLEAR>ERR. Replace the
main thermistor. Replace the DC controller PCB

E001 The temperature of the fixing assembly is abnormally high.
0000 The reading of the main thermistor is 250 deg C
or more continuously for 200 msec.
0001 The hardware circuit detects overheating of the
main or sub thermistor for 200 msec.
0001 The hardware circuit detects overheating of the
main or sub thermistor for 200 msec.

Reset the condition in service mode: COPIER>FUNCTION>CLEAR>ERR. Replace the
main thermistor. Replace the DC controller PCB

E002 The rise in temperature of the fixing assembly is faulty.
0000 While startup control is under way, the reading of
the main thermistor is less than 115 deg C
continuously for 400 msec 1.3 sec after it has
indicated 100 deg C.
While startup control is under way, the reading of
the main thermistor is less than 150 deg C
continuously for 400 msec 1.3 sec after it has
indicated 140 deg C.
Reset the condition in service mode:
COPIER>FUNCTION>CLEAR>ERR. Replace the
main thermistor. Replace the DC controller PCB

E003 The fixing temperature is too low after a standby state.
0000 While regular temperature control is under way,
the reading of the main thermistor is less than 140
deg C continuously for 400 msec or more.
Reset the condition in service mode:
COPIER>FUNCTION>CLEAR>ERR. Replace the
main thermistor. Replace the DC controller PCB

E007 The rotation of the fixing film is faulty.
0000 While the fixing motor is rotating, the marker
signal is not detected for 6 sec with the reading of
the main thermistor indicating 100 deg C or more.
Reset the condition in service mode:
COPIER>FUNCTION>CLEAR>ERR. Replace the
main thermistor. Replace the DC controller PCB
REPLACE FIXING FILM ASSY(HEATER)

To enter service mode:

* 2 8 *

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1 Answer

Steady blink in standby mode on sony kp-57ws520


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Nov 05, 2012 | Sony KP-57WS520 57" Rear Projection...

1 Answer

Replace the 2 bulbs. Unit powered up correctly and turned on like normal. Then Lamp1 and Lamp 2 indicator lights blinked (Indicating Start UP). After some period of time, it switched to Red 6 times blink...


1 red blink every 2.5 seconds indicates a cover error-- for this check the lamp cover
2 times red blinks very 2 seconds indicates temperature error. for this let the projector cool off check filters and fans that there is no blockage of air for proper cool down
3 red blinks every every 2 seconds Power error. incorrect voltage input or internal malfunction.
4 red blinks every 2 seconds indicates Fan Error check the fans make sure they are working and not blocked or need replacing.
i have nothing on 6 ligths go ahead reconect and check for proper count. hope this information helps.
Best of Luck.

Ray.

Jun 05, 2011 | Sanyo PDG-DXT10L Projector

1 Answer

Samsung ln40a530 blinking red light, no video


Blinking lights are usually an error code. Do you have a manual that will decode the number of blinks? Its not always the power supply.

Apr 21, 2010 | Samsung LN40B530 40 in. LCD HDTV

1 Answer

RCA 32WR22E startup problem(red LED blink code)


This model (RCA 32WR22E) has a child lock in which the LED flashes 2 then 7. Page GB6 in the user manual :To unlock press any numerical key on the remote control and the TV should start.

Feb 20, 2009 | Televison & Video

1 Answer

Scott lct32sha No red stand by light Wont power on anymore


If the power supply is repaired, you can install it yourself and save a few $$$$ on the labor.
I repair these power supplies as well. If you need more info write to jah2mil@hotmail.com

Feb 12, 2009 | Akai LCT3201AD 32 in. LCD Television

1 Answer

TV won't power on, repeating doulbe red light blink


Question Television is not working, screen is black, blinking red led.
Answer Television is probably malfunctioning due to electrostatic discharge. Try resetting the television by unplugging it from the power outlet for 10 seconds.
  1. Make sure that the power cable on the display and the VGA cable with trailing audio cables are connected correctly (use the originally supplied VGA cable.) between 'MONITOR' of the TV and 'VGA1' of the display.
  2. Make sure that the display is switched on.

Jan 24, 2009 | Philips 37PF7320A 37 in. HD-Ready LCD...

2 Answers

SONY - PFM-500A2WE 16:9 42-inch Plasma fault 22-12


According to the Sony Service Manual for the PFM-500A3WU, 12 22 means either the Plasma Panel has failed or the Power Supply has failed. 12 means "warning decrease of panel high voltage" and 22 means "warning of decrease of middle panel voltage".ve had a look on other forums and someone as narrowed the 12/22 code down to the (ic102) its only outputing 5volts its something to do with the (b+ power supply)

Feb 01, 2008 | Televison & Video

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