16 svi 2004a 1 pinouts for svi2003 svi2003a SVI2004A svi2004c pin # pin function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ch 1 +sine in (audio si g nal +1.8v) ch 1 +v (+50v/8 ohm +43v/4 ohm) ch 1 output (to spkr) ch 1 -v (-50v/8 ohm -43v/4 ohm) ch 1 -sine in (audio signal -1.8v) ch 1 ref (connect to pin 3 via 560 ohm resistor) ch 1 level shift (overload det signal normal -30v) ch 1 gnd ch 2 gnd ch 2 level shift (overload det signal normal -30v) ch 2 ref (connect to pin 14 via 560 ohm resistor) ch 2 -sine in (audio signal -1.8v) ch 2 -v (-50v/8 ohm -43v/4 ohm) ch 2 output (to spkr) ch 2 +v (+50v/8 ohm +43v/4 ohm) ch 2 +sine in (audio signal +1.8v) note: stk 2028 2038 2048 & 2058 (all except mkii t y pes of the listed) are pin compatible as far as amplifier pins go, in the case of using stk series ics do not connect pins 6, 7, 10 & 11 (protection/level shift pins) leave disconnected and all is well - i have adapted theese ics before - baily internal layout of svi 2004a page 1 of 1 SVI2004A 29/10/2007
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