Question about RCA Televison & Video

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When i try to turn on my rca d52w20 the green light will flash three times w out any picture and turn off. what part do i need?

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2 Answers

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  • RCA Master
  • 5,807 Answers

Hi

antonypadill,



There could be many reasons why, your TV is not yet coming on ,


• Circuits/components on the PS board,

• Communication on the SSB ( one next to it )

• Less likely , but possible Tact switches in front controls

• Or other Circuits like Vertical and Audio




• Circuits/components:


1 ) There could be bad capacitor

( CP110, CP150, CP120 and CP114 ) on the Power / Deflection Board

like these :

when i try to turn - 1576361.jpg


2 ) There could be insufficient supply voltages on the Flyback


B+ starts here:


3eb9f16.jpg

• having none means a short in the system

• having a voltage of say at least 45V means a partially shorted

flyback


you may need to resolder these pins also




7a42dc9.jpg


• having a 110V means there is no oscillation, assuming horiz out

is OK



3 ) a shorted horiz out TL010/ bad CL031




location of TL010

horiz = horizontal


4 ) No 200V line to Video Circuits

5 ) Vertical Deflection Circuit Failure


• There might be still other causes, like changed valued Resistors,

other Diodes ( like DL032 ), But try on those first.



• Additional guides

Troubleshooting


and for testing Transistors


-

How to test MOSFET


How to solder boards properly


How to use a multimeter



Let me know if you need further assistance, after you started

probing around..


Thank you for choosing FixYa for assistance. I hope that my

information probes useful to you



Regards,

palaboy

Posted on Jul 06, 2010

  • Rommel Cana
    Rommel Cana Aug 02, 2010



    please post if you need further assistance , I just hope those information above helps

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  • Master
  • 4,889 Answers

Any clicking noise from the set before it turns off? Sounds like a power supply related issue.

Posted on Jul 06, 2010

  • eagle338
    eagle338 Jul 06, 2010

    What was that for? I just asked a question. How can I help you if you don't tell me the details of the problem?

×

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