Yamaha rx 777 schematic

Page 2

I WARNING Rx'777

PARTS LIST Components having special characteristics are marked A and must be

replaced with parts having specifications equal to those originally in-
stalled.

I ELECTRICAL PARTS 0 Carbon resistors (1/6W or 1/4W) are not included in the ELECTRICAL

PARTS List. For the parts No. ofthe carbon resistors, refer to last page.

ABBREVIATIONS IN THIS LIST ARE AS FOLLOWS:

C.A.EL.CHP : CHIP ALUM|.ELECTROLYT|C CAP L.EM|T : LIGHT EMITTING MODULE
C.CE : CERAMIC CAP LED.DSPLY : LED DISPLAY

C.CE.ARRAY : CERAMIC CAP ARRAY LED.|NFRD :LED,|NFRARED

C.CE.CHP : CHIP CERAMIC CAP MODULRF :MODULATOR,RF

C.CE.ML :MULTILAYER CERAMIC CAP PHOT.CPL : PHOTO COUPLER

C.CE.M.CHP : CHIP MULTILAYER CERAMIC CAP PHOT.|NTR : PHOTO INTERRUPTER
C.CE.SAFTY : RECOGNIZED CERAMIC CAP PHOT.RFLCT : PHOTO REFLECTOR
C.CE.TUBLR : CERAMIC TUBULAR CAP PIN.TEST :PIN,TEST POINT

C.CE.SM| : SEMI CONDUCTIVE CERAMIC CAP PLST.RIVET : PLASTIC RIVET

C.EL : ELECTROLYTIC CAP R.ARRAY : RESISTOR ARRAY

C.M|CA :MICA CAP R.CAR. : CARBON RESISTOR

C.ML.FLM :MULTILAYER FILM CAP R.CAR.CHP :CHIPRESISTOR

C.MP : METALLIZED PAPER CAP R.CAR.FP : FLAME PROOF CARBON RESISTOR
C.MYLAR :MYLAR FILM CAP R.FUS : FUSABLE RESISTOR
C.MYLAR.ML :MULTILAYER MYLAR FILM CAP R.MTL.CHP : CHIP METAL FILM RESISTOR
C.PAPER : PAPER CAPACITOR R.MTL.FLM : METAL FILM RESISTOR

C.PLS : POLYSTYRENE FILM CAP R.MTL.OXD : METAL OXIDE FILM RESISTOR
C.POL : POLYESTER FILM CAP R.MTL.PLAT : METAL PLATE RESISTOR
C.POLY : POLYETHYLENE FILM CAP RSNR.CE : CERAMIC RESONATOR

C.PP : POLYPROPYLENE FILM CAP RSNR,CRYS : CRYSTAL RESONATOR
C.TNTL :TANTALUM CAP R.TW.CEM : TWIN CEMENT FIXED RESISTOR
C.TNTL.CHP : CHIP TANTALUM CAP R.WW : WIRE WOUND RESISTOR
C.TRIM : TRIMMER CAP SCR.BND.HD : BIND HEAD B-TITE SCREW

CN : CONNECTOR SCR.BW.HD :BW HEAD TAPPING SCREW
CN.BS.P|N :CONNECTORBASE PIN SCR.CUP : CUP TITE SCREW

CN.CANNON : CONNECTOR,CANNON SCR.TERM : SCREW TERMINAL

CN.D|N : CONNECTOR,D|N SCR.TR : SCREW,TRANS|STOR

CN.FLAT : CONNECTOR,FLAT CABLE SUPRT.PCB : SUPPORT,P.C.B.

CN.POST : CONNECTORBASE POST SURG.PRTCT : SURGE PROTECTOR
COIL.MX.AM : COIL,AM MIX SW.TACT :TACT SWITCH

COIL.ATIFM : COIL,FM ANTENNA SW.LEAF : LEAF SWITCH

COIL.DT.FM :COIL,FM DETECT SW.LEVER : LEVER SWITCH

COIL.MX.FM :COIL,FM MIX SW.M|CRO : MICRO SWITCH

COIL,OUTPT : OUTPUT COIL SW.PUSH : PUSH SWITCH

DIOD.ARRAY : DIODE ARRAY SW.RT.ENC : ROTARY ENCODER
DIODE.BRG : DIODE BRIDGE SW.RT.MTR : ROTARY SWITCH WITH MOTOR
DIODE.CHP : CHIP DIODE SW.RT : ROTARY SWITCH

DIODE.VAR :VARACTOR DIODE SW.SL|DE : SLIDE SWITCH

DIOD.Z.CHP : CHIP ZENER DIODE TERM.SP : SPEAKER TERMINAL
DIODE.ZENR :ZENER DIODE TERM.WRAP : WRAPPING TERMINAL
DSCRICE : CERAMIC DISCRIMINATOR THRMST.CHP : CHIP THERMISTOR

FER.BEAD : FERRITE BEADS TR.CHP : CHIP TRANSISTOR

FER.CORE : FERRITE CORE TR.DGT : DIGITAL TRANSISTOR
FET.CHP : CHIP FET TR.DGT.CHP : CHIP DIGITAL TRANSISTOR
FL.DSPLY : FLUORESCENT DISPLAY TRANS : TRANSFORMER

FLTR,CE : CERAMIC FILTER TRANS.PULS : PULSE TRANSFORMER
FLTR,COMB : COMB FILTER MODULE TRANS.PWR : POWER TRANSFORMER ASS'Y
FLTR.LC.RF : LC FILTER,EM| TUNER.AM : TUNER PACK,AM

GND.MTL : GROUND PLATE TUNER.FM : TUNER PACK,FM

GND.TERM : GROUND TERMINAL TUNER.PK :FRONT-ENDTUNER PACK
HOLDER.FUS : FUSE HOLDER VR : ROTARY POTENTIOMETER
|C.PRTCT : IC PROTECTOR VR.MTR : POTENTIOMETER WITH MOTOR
JUMPER.CN : JUMPER CONNECTOR VR.SW : POTENTIOMETER WITH ROTARY SW
JUMPER.TST :JUMPER,TEST POINT VR.SLIDE : SLIDE POTENTIOMETER
L.DTCT : LIGHT DETECTING MODULE VR.TR|M : TRIMMER POTENTIOMETER

Note) Those parts marked with it" are not included in the PCB. assy.

LLL'XH