Re: WANTED: Good Source of Electronics Theory

"EADGBE" <hwbosshoss@[EMAIL PROTECTED]
> wrote in message 
news:67717a13-6234-4847-aa72-bb57663b9fcb@[EMAIL PROTECTED]
> On Apr 19, 5:04 pm, "DaveM" <masondg4...@[EMAIL PROTECTED]
> wrote:
>>
>> In your tape circuit, the big clue to the problem is lack of any
voltage at 
>> the
>> collector of Q205.  Q205 must be turned on, at least partially, in
order for 
>> any
>> voltage to appear at its collector (which is showing no voltage).  It
is the
>> only path that can supply the current to Q203 is through the E-C
circuit of
>> Q205.  If Q205's B-E is properly forward biased, current should flow
through 
>> the
>> C-E circuit.
>
> Could you repeat this part, please?
>
> There is no Q203 in this circuit.
>
> Thanks for your help!

Yes, you're right... I should have said
The only path that can supply the current to Q206 is through the E-C
circuit of 
Q205.
The voltages around Q205 are the clues to your problem.  Find out why Q205
isn't 
conducting and you'll find the problem.
-- 
Dave M
MasonDG44 at comcast dot net  (Just substitute the appropriate characters
in the 
address)

Some people are like Slinkies.  Not really good for anything, but they
bring a 
smile to your face when pushed down the stairs.