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TRUTECH/DAEWOO DRT-S810 NO POWER TO PCD RF-IF BOARD

ALL VOLTAGES ARE IN, NO VOLTS GOING OUT TO PCB RF-IF UNIT PCB. NOR TO ON/OFF BOTTON

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  • marcomgroup Nov 28, 2007

    My Standby light is on but that is it. I can not eject the tape inside or do anything else.

  • rynojejji Jul 28, 2008

    The standby light comes on but I have no other power to the device. I was going to send it back to the manufacturer to be fixed, but I kept getting transferred to someone else (I was getting the run around). I decided to just forget it, but if you've got a fix I'd like to hear it.

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The power supply needs to be changed. Not sure how you could do that since this item is from china and I could not find parts for this unit.

Posted on Jan 22, 2009

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Posted on Jan 02, 2017

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Need a download owners manual for TRUTECH CVR/VCR DRT-S810


https://www.2instructions.com/search.php?cmarque=TRUTECH&modele=DRT-S810 Hope that helps.

Jul 26, 2010 | TruTech Televison & Video

1 Answer

POWER OF 5V IS THERE, 9V IS THERE, GOES INTO PC BOARD UNDER DVD MECH.


Since I don't know what model it is, I am going for a shot in the dark. I found a place that has service manuals for Daewoo for free. If none relate to your DVD player, please give me the model number and I may find one for you.
http://www.eserviceinfo.com/repair_tips_database/Daewoo_001.html

Nov 10, 2007 | Televison & Video

1 Answer

TRUTECH/DAEWOO DVD RECORDER/VCR DRT-S810


Hi!
did you check the +5 volts if exactly? and the +9voltsif exactly? now if you got over voltages in the said voltages you got abnormal power oscillation! or did you check the regulator? maybe the ADJUST Pin is in abnormal function! and try to unload the power board then you can test run the power board by checking the voltages in secondary.

Nov 07, 2007 | Televison & Video

1 Answer

Was working perfectly about two weeks ago--now the green timer light will not stop blinking and the unit will not turn on--I have unplugged the unit for reboot and tried the system reset to no...


Here are few items to check:

1. Check for 12 volts DC (AC-off detect) at pin 3 of PC9A21, if missing replace PC9A21 part # 268P058020 on the Power PCB.

2. LED does not blink at plug in. Check for 5-volts DC at connector RF pin 3 (system reset) if low or missing suspect the reset switch S7L20 part # 432P089010 on the Control PCB.

3.LED does not stop blinking after plug in. Check for 12 volts at connect or PF pin 10 and 28 volts at connector PF pin 11, if the supplies are correct suspect a problem in the DM Assembly (part # 955C230001)

4. LED does not stop blinking after plug in. Check C9B01, C9B02, C9B03, C9B13, C9B14, C9B17 and C9B18 (1000 UFD, 16V, 105C) on the DM Power PCB located within the DM Assembly. If they are bad, replace them with part # 181P734030 (680 uFD, 16V, 105C). See service tip VS-76

5. LED stops blinking after 70 seconds of plug in but will not power on. This model is equipped with a keyboard lock feature; this can be mistaken as a no power condition. To unlock the keyboard press and hold the "menu" button on the front panel for 10 seconds

6. LED stops blinking after 70 seconds of plug in but will not power on. Check for 4.7 volts DC at connector RF pin 4 and 5 on the Signal PCB if low suspect problems with the switches/buttons on the Control PCB part # 935D587001

7. LED stops blinking after 70 seconds of plug in but will not power on. Keyboard is not locked and key inputs at connector RF pin 4 and 5 check good suspect the E2P PCB part # 935C978001
More then likely it is NUMBER 4, replace all caps if they look/check good or not.

Good Luck, Big Irish.

Nov 22, 2009 | Mitsubishi WS-55859 55" Rear Projection...

2 Answers

Can't put a VHS in


If the VHS isnt going in it may require a little force as the track might have gotten stuck with dust. if you think its something else i suggest you openj it up and see if these is anything logged in the carriage way or if the tray might just be stuck. once it is open simply insertthe vhs tape and keep pressing in on it until the machine takes it in. while pressing keep you eye on the carriage and see hwat might be stuck as to preven the tape from entering. BUT I THINK IT MIGHT JUST REQUIRE A LITTLE FORCE as it may be binded with lack of use

Jan 04, 2008 | Televison & Video

1 Answer

Trutech DRT-S810 Does not power on


known issue with this unit. The power supply used in this unit is below quality and is often the cause of power not getting to rest of the unit. The company is from china and does not have a usa warranty service since they operate under the daewoo umbrella.

Dec 29, 2007 | Zenith DVR413 DVD Recorder/VCR

1 Answer

I need a remote


You need to contact "Daewoo/Trutech" directly to get a replacement.  Good luck they are not easy to get a hold of.

Buy a universal remote.  Check the booklet to see if your model is listed before buying it.  This is your easiest way.

Oct 27, 2007 | Televison & Video

3 Answers

MODEL#DRT-S810 DVD RECORDER/VCR COMBO


The DVD recorder is like a PC internal drive. Pull the 4 pin molex connector and check the voltages across 1&3, 2&4. Should have a (+ or -) 5volt, and (+ or -) 12volt (you can compare with a PC's voltage across the same kind of connector if you want). If you don't have a 5 & 12 volt reading your power supply is probably bad. Optionally confirm DVD recorder works by removing and attaching to a (spare?) PC.

Oct 27, 2007 | Televison & Video

5 Answers

Flashing green button, won't reset or turn on


1. Check for no 8.4 volts DC at pin 3 of PC9A10 on the Power PCB, if low or missing replace PC9A10 part # 268P058020. 2. LED does not blink at plug in. Check for 3.3-volts DC at connector RF pin 3 (system reset) if low or missing suspect the reset switch S7L20 part # 432P109010 on the Control PCB. 3. LED does not stop blinking after plug in. Verify the standby supplies, 12-volts at connector KA pin 17, 6-volts at KA pin 18 and the 28-volts at KA pin 19, if the supplies are present suspect the DM PCB part # 934C067001 4. LED does not stop blinking after plug in. Check C9B01, C9B02, C9B10, and C9B11 (1000 UFD 16) on the DM PCB, if they are bad replace them with part # 181P734030 (680 UFD 16 V). 5. LED stops blinking after 70 seconds of plug in but will not power on. This model is equipped with a keyboard lock feature; this can be mistaken as a no power condition. To unlock the keyboard press and hold the "menu" button on the front panel for 10 seconds 6. LED stops blinking after 70 seconds of plug in but will not power on. Check for 3.2 volts DC at connector RF pin 4 and 5 on the Signal PCB if low suspect problems with the switches/buttons on the Control PCB part # 935D736001 7. LED stops blinking after 70 seconds of plug in but will not power on. Keyboard is not locked and key inputs at connector RF pin 4 and 5 check good suspect the E2P PCB part # 934C061001

May 22, 2007 | Mitsubishi WS-55513 55" Rear Projection...

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