Yamaha YHT-196 Service Manual
Also see for HTR-2064: Owner's manual
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A12345678910B C D E F G H I J K L M N79DIGITAL 3/4HTR-2064/NS-B20/NS-C20/NS-SWP20★ Components having special characteristics are marked and must be replacedwith parts having specifications equal to those originally installed.★ Schematic diagram is subject to change without notice.IC246IC242IC243CB241IC241DIGITAL INC/SWFL/FR SL/SRIC241: D70YE101BRFP266Floating-point digital signal processors256256C67x+ MicroprocessorD164R/WDataD2R/WProgramFetchMemoryControllerProgram/DataRAM256K BytesJTAG EMUMcASP DMA BusPeripheral Configuration BusMcASP016 SerializesMcASP16 SerializesMcASP22 SerializesDIT OnlySPI1SPI0I2C0I2C1RTIPLLProgram/DataROM Page1256K BytesProgram/DataROM Page2256K BytesProgram/DataROM Page3256K BytesHigh-performanceCrossbar SwitchCSPPMP DMPProgramCache32K BytesI/OI/O MAX0 MAX1 EventsInCONTROLdMAXEMIFPeripheral Interrupt and DMA EventsInterruptsOutINTData25625625625632323232323232323232 32643232 32 32323232323232VDDA3A2A1A0A10/APA12A13CSRASCASWELDQMVDDVSSQDQ1DQ2DQ3DQ4DQ5DQ6DQ7VDDQVDDQVSSQDQ0VDDVSSA4A5A6A7A8A9A11NCCKECLKUDQMNCVSSVDDQDQ14DQ13DQ12DQ11DQ10DQ9DQ8VSSQVSSQVDDQDQ15VSS272625242322212019181716151413121110987654321282930313233343536373839404142434445464748495051525354IC242: M12L64164A-5TG1M x 16-bit x 4 banks synchronous DRAMCLKCSRASCASWECommand DecoderControl LogicLatch CircuitInput & OutputBufferRow DecoderBank ASense AmplifierColumn DecoderData Control CircuitL(U)DQMDQCKEAddressClockGeneratorRowAddressBufferColumnAddressBufferandandRefreshCounterRefreshCounterModeRegisterBank BBank CBank DA15A14A13A12A11A10A9A8A19NCWE#RESET#NCRY/BY#WP#/ACCA18A17A7A6A5A4A3A2A1123456789101112131415161718192021222324A16BYTE#GNDQ15/A-1Q7Q14Q6Q13Q5Q12Q4VCCQ11Q3Q10Q2Q9Q1Q8Q0OE#GNDCE#A0484746454443424140393837363534333231302928272625CONTROLINPUTLOGICPROGRAM/ERASEHIGH VOLTAGEWRITESTATEMACHINE(WSM)STATEREGISTERFLASHARRAYX-DECODERADDRESSLATCHANDBUFFER Y-PASS GATEY-DECODER ARRAYSOURCEHVCOMMANDDATADECODERCOMMANDDATA LATCHI/O BUFFERPGMDATAHVPROGRAMDATA LATCHSENSEAMPLIFIERQ0-Q15/A-1AM: MSB addressA0-AMCE#OE#WE#RESET#BYTE#WP#/ACCIC243: MX29LV160DBTI-70G16M-bit 3V supply flash memoryto DIGITAL 2/4to DIGITAL 4/4to DIGITAL 4/4to DIGITAL 1/4No replacement part available.AUDIO DSP |
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