Yamaha A-S2000 Service Manual - Page 40

A B C D E F G H I J A-S2000 1 FUNCTION (1) P.C.B. (Side A) INPUT LINE2 2 CD R L TUNER LINE1 PB REC L/R L/R L/R L/R MAIN IN L/R PRE OUT L/R MBAL_L+ AGND MBAL_LAGND MBAL_R+ AGND MBAL_RAGND PREOUT_L AGND PREOUT_R NC I_BALGAIN RY_BALGAIN RY_UNBAL -12RY NC OPE-12 OPE+12 LINE1-25V MG LINE1+25V 3 4 BALANCE (CB202) 5 AGND BAL_REC_L AGND BAL_REC_R BAL_R+ AGND BAL_RBAL_L+ AGND BAL_L- W3006 W3001 6 FUNCTION (2) (CB402) • Semiconductor Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location D3001 D4 IC301 H4 Q3006 I4 Q3014 F4 Q3022 G4 Q3030 G5 Q3038 G5 D3002 D4 IC302 H4 Q3007 C4 Q3015 D5 Q3023 C5 Q3031 C5 Q3039 E5 D3003 G4 IC303 I4 Q3008 F4 Q3016 G5 Q3024 F5 Q3032 C5 Q3040 E5 D3004 G4 Q3001 I3 Q3009 C4 Q3017 D5 Q3025 C5 Q3033 F5 D3015 C5 Q3002 I3 Q3010 F4 Q3018 G5 Q3026 F5 Q3034 F5 D3016 C5 Q3003 H4 Q3011 C4 Q3019 D4 Q3027 D5 Q3035 D5 7 D3017 G5 Q3004 H4 Q3012 F4 Q3020 G4 Q3028 G5 Q3036 D5 D3018 F5 Q3005 I4 Q3013 C4 Q3021 D4 Q3029 C5 Q3037 G5 40 RE R+ E LE L+ LINE1+25V LINE1GND LINE1GND LINE1-25V 60VGND 60VGND NC OPE+12 AGND AGND OPE-12 -12RY W3003 FUNCTION (2) (CB403) POR AGND POL FRONT (10) (W1002) IC303 IC302 IC301 CB301 T, K, B, G models 4 5 4 5 1 8 1 8 4 5 1 8 W3002 W3005 W3004 CB305 FUNCTION (2) (CB401) BALANCE (CB201) RY_MMMC RY_PHONO -12RY I_MMMC MG FRONT (10) (W1003) FRONT (1) (CB519) RY_CD RY_TU RY_L1 RY_L2 MT_PRE MT_REC RY_BAL I_BALGAIN RY_UNBAL MG RY_MMMC RY_PHONP I_MMMC