Roland Jd-800 Main Board

4 K CN15iK36 W ' - gt i 9 LTT3 lt - . ttz, R53 x-y 9 LTT l'o JMIWtt CN15 on MB CN6 on JB R0 g f x-y LTTSi o SMitlLT, CN6 on JB j amp w amp IClG on JB -yJkV-l amp s L7 on JB 9 lTT l- gt 0 ttz, Q8v Q1K R47, R48, R51 amp tfL12 L14 on JB tinhorn . -J 9 ltTSi gt . Rtf 5 i.r ffi i j a mm com it IC9 on JB 2St gt . IC9 on JB 6 f gt amp 1 gt 'CN1 5 on MB 3f5t MIDli lt A gt J tl L10, L1K R44, R45ScUrD5 on JB i- x y 9 LTT 3W When pulse appears only at pin number 2 of IC9 Check R46. IC9. IC10 L6, CN6 Con...