How do i replace the signal PCB on a WS 65809 TV? I was told by repairman that this Bd is bad, but ge couldn't get a replacement. I finally located one and ordered it. Now I need to install

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Code E100-0001 Description The BD signal is not detected 10 times or more within 10 msec in 5 msec after the generation of the laser drive signal Causes The wiring is faulty (short circuit, open circuit). The BD PCB is faulty. The laser scanner unit is faulty. The DC controller PCB is faulty. Remedy 1. BD PCB Try replacing the BD PCB. Is the problem corrected? YES: End. 2. Laser scanner unit, DC controller PCB Try replacing the laser scanner unit. Is the problem corrected? YES: End. NO: Replace the DC controller PCB.

You may need to replace the laser, it may have failed, this is from the service manual

E100

0001 The BD signal is not detected 10 times or more within 10 msec in 5 msec

after the generation of the laser drive signal.

0002 While the laser is ON, the BD signal cycle is outside a specific range 20

times or more continuously.

0003 While the laser is ON, the horizontal sync signal cycle is outside a specific

range 20 times or more.

Main cause The wiring is faulty (short circuit, open circuit). The BD PCB is faulty. The

laser scanner unit is faulty. The DC controller PCB is faulty.

Action

1. BD PCB

Try replacing the BD PCB. Is the problem corrected?

YES: End.

2. Laser scanner unit, DC controller PCB

Try replacing the laser scanner unit. Is the problem corrected?

YES: End.
NO: Replace the DC controller PCB.
anual.

Hello There, Its seems that the circuit board has problems. You'll have to get it replaced ASAP before the board is ruined completely.
The same thing also happened to me 2-3 weeks ago. the techs came in and had to replace the board since 1 circuit was damaged.
It will cost around $100
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My TV did thistoo. When i would kick the side it would work for a couple days. I can't remember the name of the part that went bad, but it costed about $250 to have a repairman fix it

you need to get Service (repair) manual for your TV Mitsubishi WS-65809 and its available at THIS site on fee.
service manual has all necessary details of tv.

The constant blinking green light means that the TV is not booting up. This is a common problem on this set.You need to remove the shield from the DM board (standing upright on the left where the DTV RF connector is)and inside you will see the four leaky capacitors (1000 MFD 16 VOLT)replace them,plug the TV in and wait 70 seconds for the blinking light to stop,then turn on the TV.The hard part will be removing the board from the TV(lots of screws and connectors,takes time)

You must do some checks first: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 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). 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 . 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. 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.

Just click below for more information.; http://www.fixya.com/support/t838883-mitsubishi_wd_52825_tv_wont

Hope it may help you ;

Regards,
VOTIT

Good Day, boofis68;
Sound like you may have voltage concern,9 volt source. Check for 9-volts DC to the Terminal PCB at connector JA pins 57 and 58 if missing, check IC9C25 (9-volt regulator) part # 270P677030 on the Signal PCB and replace the two caps. Good Luck, big IRISH.

www.matelectronics.com Check resisters (low ohmage) in front of IC's, usually discolor or change value.

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