[TechAssist] Re: Toshiba CX35E60 Won`t start
- From: Jim Myers <jr.myers@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 23 Jul 2004 10:47:39 -0500
As I mentioned in a reply to this yesterday, you have a bad chatter
diode. That's the one across the relay coil. Remove it and see if the
set will then turn on.
*******************************************************************************************************************
Since 1972
Jim Myers
Telrad Electronics
Fort Wayne, Indiana
Larry E wrote:
> Ed, THANKS for the info, I do have the 11.3 in standby on the collector
> of Q843 but it drops to 9 volts at turn on, don`t understand the .1v marked on
> the
> schematic, pulled the relay from the set and applied 9 volts with a bench
> power
> supply and the relay functions normally, it`s got to be something simple that
> I`m
>
> overlooking, thanks for the scan, I`ll keep looking, Larry E
>
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl. 34428
>
> Tel-Tek wrote:
>
>
>>Ok Larry..I sent you the circuit.
>>Just as an afterthought, check D840, stand-by bridge and make sure you
>>have 11.3 volts coming out. If low...C840 may be leaky..220uf/25Volts
>>across output.
>>Stabdby Transformer T840 may be open.
>>If you need more..LMK.
>>
>>-Ed-
>>
>>Tel-Tek Electronics
>>Ontario-Canada
>>
>>teltek3@xxxxxxxxxxxx
>>
>>
>>
>>-----Original Message-----
>>From: techassist-bounce@xxxxxxxxxxxxx
>>[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Larry E
>>Sent: Thursday, July 22, 2004 4:49 PM
>>To: techassist@xxxxxxxxxxxxx
>>Subject: [TechAssist] Re: Toshiba CX35E60 Won`t start
>>
>>Hi Guys, can someone tell me where the relay drive comes from on this
>>set?
>>Have tried to follow it from the relay back to the IC but keep losing
>>it, when
>>I first jumped the relay it appeared to be drawing too much current on
>>the
>>variac, it wasn`t, set will run normally with the relay jumped out, I`m
>>using
>>a projo manual that is close, don`t have the correct manual, tia, Larry
>>E
>>
>>Larry Eastman
>>American TV & Electronics
>>Crystal River, Fl. 34428
>>
>>Larry E wrote:
>>
>>
>>>Hi Guys, this Toshiba CX35E60 TAC 9521, won`t start, no relay click
>>
>>but
>>
>>>red led on front does come on and go off when pushing power button.
>>>Replaced Q801 the STR-Z3201 regulator, no difference, I do have 12v
>>>on pin 1 of Q840 & 5v out of Q840 on pins 5&4, If I jump the relay HV
>>>comes up for a second and then dies so obviously I have a heavy draw
>>>somewhere, checked the H.O.T. and all the fuses, they are OK, anyone
>>>seen this one before? Thanks in advance, Larry E
>>>
>>>Larry Eastman
>>>American TV & Electronics
>>>Crystal River, Fl. 34428
>>>
>>>
>>
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