[TechAssist] Re: SONY KV-27V42 Chassis BA-4D 4 blinks on front
- From: "Tel-Tek Electronics" <teltek3@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 29 Jul 2005 17:24:55 -0400
Don't we all?
-Ed-
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, July 29, 2005 3:34 PM
Subject: [TechAssist] Re: SONY KV-27V42 Chassis BA-4D 4 blinks on front
> Why do you need a $20,000 scope?
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
>
>
>
>
>
>
>
> 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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