Yamaha-RX-777-Schematic电路原理图.pdf
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1、2 ABCDEFGHIJ 1 3 4 5 7 RX-777 6 - Vin2 XL301 4MHz SW316 STANDBY/ON FL V301 Vin1 VRdn VRup VREC2 A CE, CLK, DATA A CE, CLK, DATA CLK, DATA VREC1 /VCR SW317 REC SEL /RESET PD +12s Vcc PRPS REM PRI PRDC Bin, Ain /D-REC1 /D-REC2 /R2MU ENL ENR /MUTE RY B, RY A, RY HP - PDon, CDon PDon, CDon RY PS POMU TU
2、NER PAC IC507 VIDEO SEL (MONI) IC508 VIDEO SEL (REC) IC506 IC502 10dB Q503, 504 IC405 MOTOR DRIVE VR401 BASS VR405 VOLUME IC401 SW402 PURE DIRECT SW318 Input Sel PROTECTION Q127-129 Q132-137 D107, 110, 113-115, 126, 128 IC301 -COM IC503 Input Selector IC504 Recout Selector DVD PD Xin Xout KYAD1, KYA
3、D2 PWSW T MU, T CE, T DO, STEREO, TUNED TUNER D-TV VCR IC506: EQ AMP IC502: CD DIRECT AMP IC509-512 : BUFFER AMP PHONO MONITOR OUT VCR OUT ZONE2 OUT TUNER CD RIAA IC509 0dB DVD IC510 0dB D-TV IC406 IC501 BUFFER BUFFER IC511 0dB VCR TAPE/MD OUT /D-REC2 IC512 0dB TAPE/MD Q505, 506 VCR OUT /D-REC1 Q311
4、, 312 ZONE2 OUT /R2MU VR403 BALANCE PRE-MAIN COUPLER VR404 LOUDNESS VR402 TREBLE SW401 CD DIRECT AMP Power Amp 35dB Q103-126, D101-106 RY101 RY104 Q142 F101 D120 D116-119 12000/ 63 12000/63 Q145, D131 Q130, D121 Q131, D122 + + A SPEAKERS AC IN RY102 + RY103 B PHONES SPEAKERS A B +12s -B -27V PRPS +B
5、 -15 PRPS +15 REG REG RESET +5V REG Q305 OPERATION KEY SW301-306, 307-315 VRG VRP REG +LB U301 REMOTE IN OUT REMOTE CONTROL +5V REG Q306 +12V VIDEO +LB +12V TUNER Q308, D308 Q313, D316 Q516, D502 REGREG +5V TUNER REG MAIN See page 28 SCHEMATIC DIAGRAM OPERATION See page 26, 27 SCHEMATIC DIAGRAM INPU
6、T See page 25 SCHEMATIC DIAGRAM INPUT See page 25 SCHEMATIC DIAGRAM w e w e r q 1458? 23 !4!59 %7ty 0 1 &6 %8 %9 &567 &1 &2 &0 9 !1 !2 w 5 !7!8 7 4 u !0 3 !6 *0 o &8 &9 !90 q w $0 $1- 5 %7 -0 !5 !3!4!5 !3!4!5 ty w!0 u e t q I BLOCK DIAGRAM 2423 RX-777 RX-777 I WARNING Components having special chara
7、cteristics are marked Z and must be replaced with parts having specifications equal to those originally in- stalled. GCarbon resistors (1/6W or 1/4W) are not included in the ELECTRICAL PARTS List. For the parts No. of the carbon resistors, refer to last page. ABBREVIATIONS IN THIS LIST ARE AS FOLLOW
8、S: C.A.EL.CHP: CHIP ALUMI.ELECTROLYTIC CAP C.CE: CERAMIC CAP C.CE.ARRAY : CERAMIC CAP ARRAY C.CE.CHP: CHIP CERAMIC CAP C.CE.ML: MULTILAYER CERAMIC CAP C.CE.M.CHP: CHIP MULTILAYER CERAMIC CAP C.CE.SAFTY: RECOGNIZED CERAMIC CAP C.CE.TUBLR: CERAMIC TUBULAR CAP C.CE.SMI: SEMI CONDUCTIVE CERAMIC CAP C.EL
9、: ELECTROLYTIC CAP C.MICA: MICA CAP C.ML.FLM: MULTILAYER FILM CAP C.MP: METALLIZED PAPER CAP C.MYLAR: MYLAR FILM CAP C.MYLAR.ML : MULTILAYER MYLAR FILM CAP C.PAPER: PAPER CAPACITOR C.PLS: POLYSTYRENE FILM CAP C.POL: POLYESTER FILM CAP C.POLY: POLYETHYLENE FILM CAP C.PP: POLYPROPYLENE FILM CAP C.TNTL
10、: TANTALUM CAP C.TNTL.CHP: CHIP TANTALUM CAP C.TRIM: TRIMMER CAP CN: CONNECTOR CN.BS.PIN: CONNECTOR,BASE PIN CN.CANNON: CONNECTOR,CANNON CN.DIN: CONNECTOR,DIN CN.FLAT: CONNECTOR,FLAT CABLE CN.POST: CONNECTOR,BASE POST COIL.MX.AM: COIL,AM MIX COIL.AT.FM: COIL,FM ANTENNA COIL.DT.FM: COIL,FM DETECT COI
11、L.MX.FM: COIL,FM MIX COIL,OUTPT: OUTPUT COIL DIOD.ARRAY : DIODE ARRAY DIODE.BRG: DIODE BRIDGE DIODE.CHP: CHIP DIODE DIODE.VAR: VARACTOR DIODE DIOD.Z.CHP: CHIP ZENER DIODE DIODE.ZENR : ZENER DIODE DSCR.CE: CERAMIC DISCRIMINATOR FER.BEAD: FERRITE BEADS FER.CORE: FERRITE CORE FET.CHP: CHIP FET FL.DSPLY
12、: FLUORESCENT DISPLAY FLTR.CE: CERAMIC FILTER FLTR.COMB: COMB FILTER MODULE FLTR.LC.RF: LC FILTER,EMI GND.MTL: GROUND PLATE GND.TERM: GROUND TERMINAL HOLDER.FUS : FUSE HOLDER IC.PRTCT: IC PROTECTOR JUMPER.CN: JUMPER CONNECTOR JUMPER.TST : JUMPER,TEST POINT L.DTCT: LIGHT DETECTING MODULE L.EMIT: LIGH
13、T EMITTING MODULE LED.DSPLY: LED DISPLAY LED.INFRD: LED,INFRARED MODUL.RF: MODULATOR,RF PHOT.CPL: PHOTO COUPLER PHOT.INTR: PHOTO INTERRUPTER PHOT.RFLCT : PHOTO REFLECTOR PIN.TEST: PIN,TEST POINT PLST.RIVET: PLASTIC RIVET R.ARRAY: RESISTOR ARRAY R.CAR.: CARBON RESISTOR R.CAR.CHP: CHIPRESISTOR R.CAR.F
14、P: FLAME PROOF CARBON RESISTOR R.FUS: FUSABLE RESISTOR R.MTL.CHP: CHIP METAL FILM RESISTOR R.MTL.FLM: METAL FILM RESISTOR R.MTL.OXD: METAL OXIDE FILM RESISTOR R.MTL.PLAT: METAL PLATE RESISTOR RSNR.CE: CERAMIC RESONATOR RSNR.CRYS: CRYSTAL RESONATOR R.TW.CEM: TWIN CEMENT FIXED RESISTOR R.WW: WIRE WOUN
15、D RESISTOR SCR.BND.HD : BIND HEAD B-TITE SCREW SCR.BW.HD: BW HEAD TAPPING SCREW SCR.CUP: CUP TITE SCREW SCR.TERM: SCREW TERMINAL SCR.TR: SCREW,TRANSISTOR SUPRT.PCB: SUPPORT,P.C.B. SURG.PRTCT : SURGE PROTECTOR SW.TACT: TACT SWITCH SW.LEAF: LEAF SWITCH SW.LEVER: LEVER SWITCH SW.MICRO: MICRO SWITCH SW.
16、PUSH: PUSH SWITCH SW.RT.ENC: ROTARY ENCODER SW.RT.MTR: ROTARY SWITCH WITH MOTOR SW.RT: ROTARY SWITCH SW.SLIDE: SLIDE SWITCH TERM.SP: SPEAKER TERMINAL TERM.WRAP : WRAPPING TERMINAL THRMST.CHP : CHIP THERMISTOR TR.CHP: CHIP TRANSISTOR TR.DGT: DIGITAL TRANSISTOR TR.DGT.CHP : CHIP DIGITAL TRANSISTOR TRA
17、NS: TRANSFORMER TRANS.PULS : PULSE TRANSFORMER TRANS.PWR: POWER TRANSFORMER ASSY TUNER.AM: TUNER PACK,AM TUNER.FM: TUNER PACK,FM TUNER.PK: FRONT-ENDTUNER PACK VR: ROTARY POTENTIOMETER VR.MTR: POTENTIOMETER WITH MOTOR VR.SW: POTENTIOMETER WITH ROTARY SW VR.SLIDE: SLIDE POTENTIOMETER VR.TRIM: TRIMMER
18、POTENTIOMETER Note) Those parts marked with “#” are not included in the P.C.B. assy. PARTS LIST I ELECTRICAL PARTS 29 RX-777 RX-777 Schm Ref.PART NO.Description 6 New Parts Schm Ref.PART NO.Description 6 New Parts 30 *V7167900P.C.B.INPUT(UCA) CB501VK027000CN.BS.PIN11P CB502Vi878900CN.BS.PIN11P *CB50
19、3VK028000WIRE TRAP15P SE CB504VQ961300CN.BS.PIN10P CB505VQ961200CN.BS.PIN9P CB507VQ961100CN.BS.PIN8P CB511VQ961100CN.BS.PIN8P C501VG278400C.CE.TUBLR220pF 50V C502VG278400C.CE.TUBLR220pF 50V C503VG278400C.CE.TUBLR220pF 50V C504VG278400C.CE.TUBLR220pF 50V C505VK533900C.PP100pF 200V C506VK533900C.PP100
20、pF 200V C507UA655100C.MYLAR0.1uF 50V C508VF467000C.CE.TUBLR1000pF 50V C509VF466800C.CE.TUBLR100pF 50V C510VF466800C.CE.TUBLR100pF 50V C511VF466800C.CE.TUBLR100pF 50V C512VF466800C.CE.TUBLR100pF 50V C513VF466800C.CE.TUBLR100pF 50V C514VF466800C.CE.TUBLR100pF 50V C515VF466800C.CE.TUBLR100pF 50V C516VF
21、466800C.CE.TUBLR100pF 50V C517VF466800C.CE.TUBLR100pF 50V C518VF466800C.CE.TUBLR100pF 50V C519VF466800C.CE.TUBLR100pF 50V C520VF466800C.CE.TUBLR100pF 50V C521VF467000C.CE.TUBLR1000pF 50V C522UN865470C.EL0.47uF 50V C523UU137100C.EL10uF 16V C524UU137100C.EL10uF 16V C525VG287600C.EL100uF 25V C526VG2876
22、00C.EL100uF 25V C527UU166470C.EL4.7uF 50V C528UU166470C.EL4.7uF 50V C529UU118330C.EL330uF 6.3V C530UU118330C.EL330uF 6.3V C531VF466900C.CE.TUBLR470pF 50V C532VF466900C.CE.TUBLR470pF 50V C533VG287800C.EL330uF 16V C534VG287800C.EL330uF 16V C535UU138100C.EL100uF 16V C536UU138100C.EL100uF 16V C537UU1371
23、00C.EL10uF 16V C538UU137100C.EL10uF 16V C541UU137100C.EL10uF 16V C542UU137100C.EL10uF 16V C543UA654100C.MYLAR0.01uF 50V C544UA654100C.MYLAR0.01uF 50V C545VG287800C.EL330uF 16V C546VG287800C.EL330uF 16V C547UU137100C.EL10uF 16V C548UU137100C.EL10uF 16V C549UA654100C.MYLAR0.01uF 50V C550UA654100C.MYLA
24、R0.01uF 50V C553VG287600C.EL100uF 25V C554VG287600C.EL100uF 25V C555UA652220C.MYLAR220pF 50V C556UA652220C.MYLAR220pF 50V C557UA655100C.MYLAR0.1uF 50V C558VF466800C.CE.TUBLR100pF 50V C559VF466800C.CE.TUBLR100pF 50V C560UR837100C.EL10uF 16V C561UR819100C.EL1000uF 6.3V C562UR837100C.EL10uF 16V C563UR8
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- Yamaha RX 777 Schematic 电路 原理图