Yamaha A-S2000 Service Manual - Page 54
(4), (5), (6), (7), (8), Volume, Phono, Audio Mute, Input
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A B C A-S2000 1 FRONT (4) P.C.B. (Side A) VOLUME 2 W5003B 3 +12C DGND 1 23 +5STBY 1 I_VOL MG MVOL+ MVOL- FRONT (3) (W5003A) IC503 10 4 M+ FRONT (7) P.C.B. (Side A) 5 FRONT (3) (W5009A) W5009B 6 I_MUTE +5STBY 7 54 MM MC PHONO D E F G H I J W5005B CB509 FRONT (5) P.C.B. (Side A) INPUT FRONT (3) (W5005A) I_ISEL MG NC FRONT (6) P.C.B. (Side A) FRONT (1) (W5006) LED_MT LED_MDIR LED_PHO LED_BAL LED_L2 LED_L1 LED_TU LED_CD DGND +5C FRONT (8) P.C.B. (Side A) FRONT (3) (W5007A) W5007B AUDIO MUTE I_MMMC MG FRONT (11) P.C.B. (Side A) FRONT (10) (W1001) MC+20V MC-20V MM+25V MM-25V AGND CB27 CB34 LINE1+25V LINE1GND LINE1GND LINE1-25V 60VGND 60VGND VOL1+12V VOLGND VOL1-12V VOL2+12V VOLGND VOL2-12V LINE2+25V LINE2AGND LINE2-25V PRV +33V AGND -33V 60VGND W6 MAIN (3) (W316) FUNCTION (2) (CB404) • Semiconductor Location Ref no. Location D317 F5 D318 H5 D319 G5 D320 H5 D5028 I3 D5029 J3 D5030 I3 D5031 I2 D5032 I2 D5033 H2 D5034 I3 D5035 I2 IC503 B3 Q303 G5 Q304 H5 Q307 G5 Q308 H6 Q311 G6 Q312 H5 Q313 G6 Q314 H6 Q315 G6 Q316 H6 Q317 G6 Q319 H6 Q320 G5 Q321 H5 Q323 G5 Q324 H5
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