Question about Sampo PME-42V3 42 in. Plasma Television

3 Answers

Relay clicks then shuts off - no picture/ no osd

This 42" tv will not power on. Manufactured in 2000, model# pme-42v3/chassis# c-42p. Please assist me with schematic or test points - tv is open now and I have verified all gme fuses are good, connections are secured tight and i have voltage to all pcb's. (tv tech:)
Nic Stevens
808-223-9358

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  • blackhat212 Mar 11, 2008

    thanks for your reply. I may not have communicated properly. This is a defective pcb/component as I have already eliminated loose connections, blown fuses and signal input. What I need is test points to confirm poper voltages on all pcb's and/or the service diagram. I am a tv tech and I need some way to isolate the defective pcb so I can order the correct part. Thanks for your assistance. Please contact me as soon as possible.
    Nic Stevens
    808-223-9358

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3 Answers

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I too am a v mechanic, but will try to solve ur problem, have u checked for black out or burned elements in the board, also check the CRT else remove it clean the contacts and put it back. Check for continuity in the wirings. Also see if the capacitors in the power board arefine and working.

Thankyou

Posted on Mar 23, 2008

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  • 1,894 Answers

Sir
relay click off means there some kind of short circuit in your main board.

Posted on Mar 23, 2008

  • dewan nafees ahmed Mar 23, 2008

    Main support number 1-888-373-4368
    Email support info@regent-usa.com

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  • 818 Answers

No picture

  1. Power cord disconnected.
  2. Power not switched on.
  3. Improperly connected signal cable.
  4. Monitor in power save mode.
  1. Connect power cord.
  2. Turn the power switch on.
  3. Connect the signal properly.
  4. Press any key on computer.

Posted on Mar 05, 2008

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Howzit Brother.

I had the same problem, but managed to repair it myself! There is no need to purchase a new
Power Supply! You can service the faulty PCB yourself, or give it to a Tehnician to service for you.
If you want to try service to yourself, here is how,

On the PCB marked QPWB11326-1B-4 you will need to do the following<

Replace the following Capacitor's, CS704(Most important one), CS705, CS706, CS707, CS708, CS713, CS715.
Replace the TOP210PFI IC marked ICS02
Replace the PC123 OPTO marked ICS03
Replace the TL431 Shunt Regulator marked ICS04

This solution should work! email me on engineering@elektroniktechnisch.co.za if you have any other requests!

Gavin Burger.

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