Sony_CRF-330K_维修维护电器原理图手册_1978

FM/SW/MW/LW33-BAND RADIOCRF-330KRECEIVERUS ModelCanadian ModelE ModelAEP ModelUK ModelSUPPLEMENTNo.2February.1978File this supplement with the service manual.0CIRCUIT AND MECHANISM OPERATIONTABLE OF CONTENTSDescriptionPageRADIO SECTION1.PHASE-LOCKED LO0pPLL,+++++++++,+:+:++,:+:+++,:+,+++:·:::+++2.THE PLL USE0 N THIS RECEIVER--+--··------·2●3.RECEIVED-SIGNAL FREQUENCY COUNTER:·.·.:.:..·.......:.·..·94。SW RF FILT形月4：：：t14444tt4t44t4445.BALANCED TYPE S5 N FIRST MIXER···4···············146.WOISE BLANKER￥年+￥+e+￥·+￥+：+-+-+-+：+=+=+-+=：4年+=+=+=+4·+16CIRCUITS FOR S5 B AND CW RECEPTION········-··+···-········-168.199.MECHANICAL FILTERS FL202 AND FL203--..-----...-....-..-.-...10.Q211 N MW AND LW RF AMPLIFIER,:+:+:++::+::+:1:·=+·+:·4+·11.POWER SUPPLY CIRCU川T+·,·+·+++-+,+·++-,,··++++,-·,,+,2812.DIGITAL IC SYMBOLS AND OPERATIONS·.±··.·.·-+.····.·.4TAPE RECORDER SECTION1.TIMER STAND-BY MECHANI5M+··+··+·++·+-··+·+252.CONNECTION OF THE TAPE RECORDER AND RADIO.+·+···+·:·:·I布26SONYSERVICE MANUAL