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Sound proublem in TV (Thomson make)

During watching the TV, sound of TV goes off, after some time sound is recover it self for a short time. but when blowing the fan air on surface of TV then sound goes OK.

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Re: sound proublem in TV (Thomson make) - Standard (CRT) Televisions

What to do

Posted on Dec 29, 2013

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Re: sound proublem in TV (Thomson make)

1 it might be due to spraker wire loose or its connector loose. 2 loose contact in sound section. 3 some cap faulty. 4 sound ic might be grtting more supply so ic is getting over heated. 5 sound ic might be defective.

Posted on Oct 06, 2007

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You can select a remote control for this TV. Check the sites linked here. Setup code list, and setup procedure to many popular brand remote controls are given. Selecting the view option, either to Mosaic / Time slide, can be selected by the drop-down list, at the top left of the display window, will make surf easy.

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Picture on screen disappears and horizontal light appears in the middle of the screen

you need to replace the vertical transistor of your tv. be careful if you want to try to fix it your self. there's high voltage inside the tv.... u need to call the technicians. the transistor won't cost you too much. it's pretty cheap. safety first. good luck

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I was watching the news and it shut off on its own and will not turn back on. What do i need to check?

If you include how many times the standby light flashes, that will give a fault location. Not to worry, here is a list.
Hope this helps.
  • Unit is dead, 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 C board, 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 projection models of Sony TV sets, this code means that T8005 (flyback transformer), or the associative components in the high voltage circuits are 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.

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