Question about Sony KV-24FV12 24" TV

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Blue picture with normal sound

When I switched on the television, it only shows blue screen. Sound is playing normal. Remote with every other things is working fine.

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Posted on Nov 21, 2013

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Is the video plugged in? It may have fallen out - this is if you are using RCA style jacks - one for video, and two for sound

Posted on Nov 21, 2013

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Posted on Jan 02, 2017

techman
  • 3130 Answers

SOURCE: No signal

That sounds about right my friend. Those sets do have two tuners and Ive seen the problem your desribing. Unless of course that the microprocessor and tuning circuits are goos also. I would call a servicer if I were you unless yopu know your way around the inside of the tv set as it does have alot of High voltage even when its unplugged Good Luck

Posted on Jun 07, 2006

techman
  • 3130 Answers

SOURCE: Sound but no picture

You have a vertical sweep problem. Since this Sony tv has no user replaceable parts inside of it, your best bet is to call out a pro to assist you in this repair.

Posted on Sep 23, 2006

CompuGuy44
  • 432 Answers

SOURCE: No Picture, Sound Fine

Hey John, How many times does the light blink? No blinks - Problem in the standby power section. Might check fuse, R607, Q601, IC601, R612 and VDR601 (should show open). Continuous blink once a second, no pausing - No reply from the jungle IC301 (data bus is busy, shorted to ground, or held high), IK video path is defective. One blink - not used for the self-diagnosis Two blinks - B+ over current protection (OCP), unit goes to the standby mode then displays the 2 blink fault. Could be a short in the power supply of any of the circuits. Three blinks - B+ over voltage protection (OVP), unit goes to the standby mode then displays the 3 blink fault. This is also a problem in the power supply circuit, check T603 and R672. Four blinks - No vertical Deflection (V STOP), Screen goes to a single horizontal line then the video signal muted. Check IC1509, Q1505 Five blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the Cboard, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly. Six blinks - No Horizontal (H STOP), no raster, goes to the blinking self-diagnosis function immediately. Check C515 & 516 and the jungle IC, IC206. Seven blinks - High voltage shutdown. The high voltage has exceeded 33k and the unit goes immediately into safety shutdown. Check power supply regulation and horizontal circuits. Eight blinks - Problem with the audio (AUDIO), unit goes to standby and blinks the self-diagnosis code. Check IC406 audio amp, PS401, and 402. On some newer models of Sony TV sets, this code means that T8005 is defective on the D board. Nine blinks - Replace D 6116 and D 6301 on the "G" board, do not resolder as this will fix the problem temporary. Or Panel Module Error or Thermal Error. If it is intermittent 9 blinks, meaning sometimes the TV comes on and other times you get flashing, then change the switching regulator on the "G" board or check connections. Make sure the regulator is -12 or -13 (negitive). Ten blinks - Check Q8014 and Q8013 for shorts, leakage, or bad solder connections on the " D" board. If the transistors are bad, check R8051 and IC8005, also on the "D" board. I suggest you do a hard reset. Unplug the power cord for 4 hours. Then plug it back in and check it. If it works, great. It not, cost of repair for this is usually around $150 - $250 plus the house call.

Posted on Jun 26, 2007

  • 1 Answer

SOURCE: Television is "locked"

I dont have the answer, but do have the same problem and just wondered whether you had solved the problem....our son is 13 months old and I think he is the one who caused the tv to be locked too !!

Posted on Aug 26, 2007

SOURCE: no signal

Good day. Try to check the tuner section. You mention that it functions good in auxilliary functions. check tuner section and system IC.


chris

Posted on Mar 30, 2008

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