[TechAssist] Re: SONY KV-27V42 Chassis BA-4D 4 blinks on front
- From: Jim Myers <jr.myers@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 29 Jul 2005 15:23:41 -0500
That was just a plug for Sencore, love their high prices!
********************************
Since 1972 *
Jim Myers *
Telrad Electronics *
Fort Wayne Indiana *
********************************
Gary McCartney wrote:
> Why do you need a $20,000 scope?
>
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> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
>
>
>
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>
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> Jim Myers wrote:
>
>>Clip a $2.00 2SD1879 mounted on it's own heat sink into the circuit for
>>test. Monitor the collector with a scope if you have a $20,000.00 or
>>equivalent Sencore. Best to blow up a 2.00 transistor than a 20.00 one.
>>
>>
>>********************************
>>Since 1972 *
>>Jim Myers *
>>Telrad Electronics *
>>Fort Wayne Indiana *
>>********************************
>>
>>
>>Shaun wrote:
>>
>>
>>>This set is a scary one the h.o.t. was shorted many suggestions to why but
>>>the bad thing is replacement 8-729-043-43 is around $20.00 with shipping I
>>>am almost afraid to replace it for fear of it shorting again just my ranting
>>>thoughts.
>>>
>>>Shaun
>>>
>>>Advanced Electronics
>>>224 West Riverview Ave.
>>>Fort Morgan, CO 80701
>>>----- Original Message -----
>>>From: "tvservice" <tvservice@xxxxxxxxxxxxx>
>>>To: <techassist@xxxxxxxxxxxxx>
>>>Sent: Wednesday, July 27, 2005 4:11 PM
>>>Subject: [TechAssist] Re: SONY KV-27V42 Chassis BA-4D 4 blinks on front
>>>
>>>
>>>
>>>
>>>
>>>>replace cap C390 (point).47mfd50volt off base of Q501 hor drive transistor
>>>>Don't sub the HOT
>>>>Robert
>>>>tvservice@xxxxxxxxxxxxx
>>>>H & H Electronics Inc
>>>>
>>>>----- Original Message -----
>>>>From: "Shaun" <satguy@xxxxxxxxxxxxx>
>>>>To: "tech" <techassist@xxxxxxxxxxxxx>
>>>>Sent: Wednesday, July 27, 2005 11:57 AM
>>>>Subject: [TechAssist] SONY KV-27V42 Chassis BA-4D 4 blinks on front
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>>This set blinks 4 times when tried to start up. I found the horz. output
>>>>>shorted (Q502) I am wondering if there is anything else in this set that
>>>>>will cause Q502 to short. I found no loose connections or bad solder.
>>>
>>>Any
>>>
>>>
>>>
>>>>>info would be great. Thank you.
>>>>>
>>>>>Shaun
>>>>>
>>>>>Advanced Electronics
>>>>>224 West Riverview Ave.
>>>>>Fort Morgan, CO 80701
>>>>>
>>>>
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