[TechAssist] Re: Emerson combo model EWC1902
- From: "Avery Boyd" <adBoyd@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 22 Apr 2005 12:00:14 -0500
If you could send me the pdf on this set I would use it. Thanks Avery.
Avery Boyd
4666B S. Mingo
Tulsa OK 74146
Phone 918-665-2400
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, April 19, 2005 1:58 PM
Subject: [TechAssist] Re: Emerson combo model EWC1902
D629 is a switching diode 1SS133 or 1N4148. IC 551 (vertical out) is
AN5522 or LA78040A. I can send the whole PDF if you wish, it's about 5mb
in size.
Gary McCartney
McCartney Electronics
Guelph Ontario Canada
Est. 1984
email: gary (at) number63.ca
Avery Boyd wrote:
> Thanks for your help. Also could you tell me what D629 is and the vert out
> IC for this set. Thanks Avery
> Avery Boyd
> 4666B S. Mingo
> Tulsa OK 74146
> Phone 918-665-2400
> ----- Original Message -----
> From: "peggs" <peggs@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>; <techassist@xxxxxxxxxxxxx>
> Sent: Monday, April 18, 2005 1:44 PM
> Subject: [TechAssist] Re: Emerson combo model EWC1902
>
>
> d615 probably shorted because of an overvoltage condition.
> this may be one of the models with the mounting screw in the rear/center
of
> the
> pcb,that cracks the board.The screw is near the opto.
> A couple of cracked traces cause no feedback to the primary,thus the
primary
> is
> driven wide open.
>
> Peggs
>
> At 08:08 AM 4/18/05, Gary McCartney wrote:
>
>>According to manual for model EWC1302,(note the 1302 instead of 1902)
>>
>>D615 is: 1ZC33 or RD33FB (looks like it is 33V?)
>>
>>Q605 is: 2SC2785/F/H/J or KTC3198 or KTC3199 or 2SC1815
>>
>>
>>
>>
>>Gary McCartney
>>
>>McCartney Electronics
>>Guelph Ontario Canada
>>Est. 1984
>>email: gary (at) number63.ca
>>
>>
>>
>>
>>
>>
>>
>>Avery Boyd wrote:
>>
>>>Located in the power supply is d615 a zenor and q605 would someone have
>
> the
>
>>>value of these? thanks avery.
>>>Avery Boyd
>>>4666B S. Mingo
>>>Tulsa OK 74146
>>>Phone 918-665-2400
>>>
>>>
>>
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