[TV] Re: Mitshubishi WS-B55 green LED just blinks

["Jeff Ostroff" <stroff@xxxxxxxxxxxx>]

Hi Tony,  I've done a few of those that needed the E2P PCB inside the DM module along with the caps.
Does it stop blinking after 70 sec. of plug in?
Check for +5V on pins 4&5 of the RF connector on signal PCB if none or low try and unplug the front panel switch board.
If +5V is good suspect the E2P PCB their cheap.

Jeff Ostroff
A-V Electronic Service
Sedona,  AZ  86351
www.avelec.com
----- Original Message ----- 
From: "Tony Hubbard" <tvtech1969@xxxxxxxxx>
To: <tv@xxxxxxxxxxxxxxx>
Sent: Thursday, April 02, 2009 9:28 AM
Subject: [TV] Re: Mitshubishi WS-B55 green LED just blinks


> 
> The diodes don't check shorted and the voltages on the plug connectors check
> good the ones that are marked anyway. The customer said it just went off
> when she used the volume down on the remote. Any other help would be
> appreciated.
> Tony
> 
> 
> 
> On Wed, Apr 1, 2009 at 1:33 PM, <Eric7828@xxxxxxx> wrote:
> 
>>
>> I found this:
>>
>> Symptom: Timer Led Won'T Stop Blinking Even After Changing All Seven Caps
>>  On
>> The Dm Power Board. (None Of Them Were Puffed But All Were Bad).
>>
>> Cause: Q9b01 (8 Pin Ic) Is Shorted On The Dm Power Bd. This Makes D9b00
>>  And
>> Zener D9b04 Look Shorted But Are Not.
>>
>> Fix: Either Replace The Ic (Fairchild FDS6680A) Or The Dm Power Board.
>>
>> Eric,
>> Rick Electronics in NYC
>>
>>
>> In a message dated 4/1/2009 1:26:28 P.M. Eastern Daylight Time,
>>  tvtech1969@xxxxxxxxx writes:
>>
>>
>> Mitshubshi WS-B55 Green LED just blinks I replaced the 7 1000mf  16v
>> capacitors in the DM power board and it still won't power up. I know  that
>> when you plug in the AC cord you have to wait 80 seconds before you  can
>> turn
>> it on but still no good. Any help would be appreciated.
>> Tony's  TV Repair
>>
>> Tony
>>
>>
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