[TechAssist] Re: SONY KV-27V42 Chassis BA-4D 4 blinks on front

That's alot of TV repairs before you break even!
I'm sure you can get one of those ancient tektronix curve tracers
for whole lot less!! 
I do my destrucion on the cheap...

Jim McVey

Tel-Tek Electronics wrote:

>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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