Re: Amplifier Problem - Revised Schematic

GregS wrote:
> In article
<bb9d022f-3212-41a4-b455-e8d7f6cbd09c@[EMAIL PROTECTED]
>,
EADGBE <hwbosshoss@[EMAIL PROTECTED]
> wrote:
>> On Apr 22, 10:34 am, zekfr...@[EMAIL PROTECTED]
 (GregS) wrote:
>>> Where did you get this diagram. Is it completely from scratch ?
>>>
>> Greg:
>>
>> No, it was copied, carefully, from the original schematic.  I would
>> have scanned the original schematic, but it is very fuzzy.  I did
>> check my schematic against the other channel's schematic, which was a
>> bit clearer but did not have the expected voltages indicated, and was
>> cluttered with the actual component values.
>>
>> I have checked, re-checked, and RE-checked the accuracy of my hand-
>> drawn schematic, comparing it to the original, and there are no
>> mistakes.
> 
> The emitter of Q204 has a strange DC path. The amplifier appears
> non inverting. What is the voltage on Q204 collector ?
> 
> greg

Q204 is in a pretty simple DC feedback path with Q205 and the 207/8 
combination. Its emitter currrent flows down through Q208 to ground.

The amplifier is non-inverting from the base of Q204, but inverting from 
its emitter, which is where both the DC and AC feedback end up.

d