Yamaha AV-S70 Service Manual

Also see for AV-S70: Owner's manual Service manual

Contents

A B C D E F G H123456AV-S70/NX-SW70 AV-S70 PRINTED CIRCUIT BOARDFROM : AMP (A)FROM : AMP (D)FROM : DSP–FL (A)23CECODSCKCCKERRDDGCLKACRXACCEAC2ERRASDTCLDCDODG+5DTXACCEAC1/ICACINPUT SOUNDVOLUME– +DSP–FL ( B ) P. C. B. (Component side)+10DGND+5.6VSW–PRTSP–RYAMP–PRTMUTESTBDATATruBassISEL–BPRE–OUTVPRT+5D–25VSW–RYP–ONB–BSTNIGHTCLKCEM–SENSORISEL–ADSP-FL ( B ) P. C. B. (Foil side)Point w (Pin 13 of IC701)V : 2V/div, H : 0.1 μsec/divDC, 1 : 1 probe0VPoint e (+10V : Emitter of Q706)(RESET : Collector of Q705)V : 2V/div (+10V), V : 2V/div (RESET)DC, 1 : 1 probe, H : 1 sec/div0V0VAC CORD ON AC CORD OFF+10VRESET26 27Ref. No. LocationD701 D2D702 D5D703 C2D704 C2D705 C2D706 C2D707 B3D708 C3Ref. No. LocationIC801 D2IC802 C2 Semiconductor LocationRef. No. LocationQ701 E3Q702 D2Q703 E3Q704 E3Q705 C2Q706 C2Q707 E3Q708 E3Q710 D2Q711 D2w w w . x i a o y u 1 6 3 . c o mQ Q 3 7 6 3 1 5 1 5 0 992894298T E L 1 3 9 4 2 2 9 6 5 1 3 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com