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Sony tv kv ha21p52 the picture is shrinking in bottom few seconds the set goes to stand by the led bilinking four times plz help me

Bottom picture compressed set goes to stand by the power led blinks four times ver ican5522 ok yoke please help me.

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  • Televison & ... Master
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These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power led, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given.

Posted on Mar 24, 2014

Testimonial: "sir,the tv runs 1mnt normaly but the pict compressed in bottom side then tv goves to standby"

  • The Knight
    The Knight Apr 18, 2014

    If so, its main power supply [SMPS] section should be troubleshooted. Check and replace the horizontal scan output transistor first. If this transistor overheats by time, this kind of fault can occur. Anyway, it will be best to contact any service technician.

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Posted on Jan 02, 2017

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SOURCE: Sony KV-32FS120 blinks 4 times

good day.
Have you tried first resoldering the terminals in the circuitry?
Also, try to check for the ABL supply near the flyback. Watch out for the small voltage zener diodes.


response is highly appreciated.


chris

Posted on Mar 28, 2008

localwonder
  • 6784 Answers

SOURCE: TV won't turn on, standby LED starts blinking

HI, this is the result of an unstable power sector in this unit. the fly back is malfunctioning and, you will need to replace it asap. i will list the part number below and a link to a site as well. you can purchase this part on-line if you wish.

FBT ASSY NX-4521//X4
Sony Part Number: 1-453-310-11

CLICK HERE TO ORDER

Posted on Jun 21, 2009

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