TS808 schematic variants 08/ 09 /10 that part with C3 and R4 (pin 2 of OpAmp, 47nF and 4k7)

Posted by j-pee on Nov 14, 2021; 7:58pm
URL: http://guitar-fx-layouts.238.s1.nabble.com/TS808-schematic-variants-08-09-10-that-part-with-C3-and-R4-pin-2-of-OpAmp-47nF-and-4k7-tp50325.html

hi,

I'm just building IVIark's layout -- this -- of the TS808...

and without any intention I realized that "that part" of the schematic has been "erroneously" laid out....
(discording with the schematic at electrosmash)
 

this part:




........................................

now, in this schematic what I see is:   @ pin 2:   C3->R4->GND

on that layout (same spot):   4k7->47nF->4v5

then I checked service manuals for TS 9 (2 copies, A, B), and Ts 10,
and I found:  
                        TS 9/A:    47nF->4k7->4v5
                        TS 9/B:    4k7->47nF->GND
                        TS 10:    47nF->4k7->4v5

in the two layouts by IVIark, too, this part is not the same...

in the normal version: 4k7->47nF->4v5
whereas in the "width clipping switch" version it's:  47nF->4k7->4v5


at first I thought I spotted an error... now I know it can go any way...

but can it, really?



///////////////
the service manuals you can see here:
classicodschematic.pdf
and
ibanez_ts-9_tube-screamer_sch.pdf
and
ibanez_ts-10_tube-screamer_sch.pdf

(source: elektrotanya.com)