Yamaha RX-V320 Service Manual

Contents

RX-V320HBA C D E F G123456P. C. B. OPERATION (3)P. C. B. OPERATION (2)P. C. B. OPERATION (1)H48BA C D E F G123456 PRINTED CIRCUIT BOARD (Foil side)492V SAMPLE 50ns0VPoint e(Pin 13 of IC501)V : 2V/div H : 50nsec/divDC range 1 : 1 probe5V 2V SAMPLE 5s0V(CH2)0V(CH1)CH1CH2Disconnect thepower cord fromthe AC outlet.With the POWERswitch turned ON,connect thepower cord to theAC outlet.This waveform is not available by pushing thepower switch ON and OFF.Point rCH1 : Emitter of Q504CH2 : Collector of Q503V : 5V or 2V/div H : 5sec/divDC range 1 : 1 probe Semiconductor LocationRef. No.D501D502D503D504D505D506D507D508D509D510D511D512IC501IC502IC581IC582Q501Q502Q503Q504Q505Q506LocationE2G2G2E2F3E2E2G2G2G3G3G2E2G2D5E5D2D2G2G3F2F2PRV2CKBVUPDVD-C/OCECODSCKCCKERRDMGCLKACRXACCEAC2ERRA/STDORCERCKF-RXFCEMGCNVSSF-TXF-CK+5BU/RESCELCDTBVDNFMTSDTCLDCDO+5MMGTXACCEAC1/ICACMETERTCEDEST/RDORDT#6#6#6TO: INPUT (1)ERYPRV1VPPRDPRISRYSI2PRYMGLIMDT#10W503FLFLGGW501 W502#28TO: MAIN (1) TO: INPUT (2)FROM: OPERATION (7)3FLASHμ-COMWRITECONNECTOR4TUNINGMODEAUTO/MAN'LMONOINPUT SELECTORMEMORYMAN'L/AUTO FMFM/AM PRESET/TUNINGEDITINPUTMODEA/B/C/D/E TAPE/MD MON/EXT. DECODEREFFECTPRESET / TUNING PROGRAMSTANDBY / ON17 18 22 25 301133050518081100M30217MA-A205FP3135 43 46 50 55 6160 64 65GVCVOCOMNJM78L05AOUT IN401 2COMBA+12–12TIRETILETORETOLTO:INPUT (1)#7W581BASS TREBLE BALANCE1 8NJM2068LD1 8NJM2068LD#581TO: INPUT (1)VIDEO AUXVIDEO L AUDIO R#8AXREAXLVEAXVW621w 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