Sony MDX-C5970R service manual Schematic Diagram KEY Board See page 56 for Waveforms

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MDX-C5960R/C5970/C5970R

4-18. SCHEMATIC DIAGRAM – KEY Board – See• page 56 for Waveforms.

(Page 50)

• Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions.

no mark : FM

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Contents MDX-C5960R/C5970/C5970R SpecificationsOptical PICK-UP Flexible Board Flexible Circuit Board RepairingDiagrams Table of Contents GeneralSection General Page Page Page Page Page Mechanism Deck MG-164N-138 SUB PanelServo Board Main BOARD, Heat SinkFloat Block MD Cover ASS’YLever LE ASS’Y LO Motor ASS’Y Loading M903Chucking ARM ASS’Y Holder ASS’YSL Motor ASS’Y Sled M902, SP Motor ASS’Y Spindle M901 Optical PICK-UP KMS-241B/J1NPTuner Section FM Auto Scan/Stop Level AdjustmentFM Stereo Separation Adjustment MD SectionRDS S-Meter Adjustment MDX-C5960R/C5970R AM MW Auto Scan/Stop Level AdjustmentSignal Path Block Diagram Servo SectionBlock Diagram Tuner Section BUS Audio Block Diagram Main SectionMD Play Remote Block Diagram DISPLAY/KEY Control SectionILL Block Diagram BUS CONTROL/POWER Supply SectionBUS Audio MD Play Semiconductor Location Printed Wiring Board Servo BoardSee page 55 for Waveforms. See page 58 for IC Block Diagrams Schematic Diagram Servo Board 1/3MDX-C5960R/C5970/C5970R Schematic Diagram Servo Board 3/3 See page 55 for Waveforms Semiconductor Location Component Side Printed Wiring Board Main Board Component SideSemiconductor Location Conductor Side Printed Wiring Board Main Board Conductor SideMDX-C5960R/C5970/C5970R Schematic Diagram Main Board 2/4 MDX-C5960R/C5970/C5970R MDX-C5960R/C5970/C5970R Printed Wiring Board KEY Board Schematic Diagram KEY Board See page 56 for Waveforms Waveforms Servo Board Main Board KEY Board IC301 CXD2652AR IC Block Diagrams Servo Board IC101 PCM1718E/2KIC302 CXA2523R IC307 MN41V4400TT-08S IC303 BH6511FS-E2IC305 BA6287F IC102 SAA6588T-118 MDX-C5960R/C5970R IC250 NJM2360AM TE2 Main Board IC100IC600 BA8270F-E2 IC800 BA3918-V3 IC300 TDA7462D013TRIC PIN Function Description Avdd MvciAsyo AsyiTEST1 TEST2 SfdrSprd SpfdVCC XlatXstby VrefDfctsel ResetEject NCOEJT-KEY UnireqUnisi UnisoNOSE-SW PLL SIPLL SO PLL CKOKEY-IN2 AvrhAvrl KEY-IN1PLL CE KeyackSeekout SD-IN111 3294-572-A Main BOARD, Complete General SectionLCD801 1-803-502-21 Display PANEL, Liquid Crystal Front Panel Section5759 5558 Mechanism Deck MG-164N-138 159 161 152 157156 162 158Ceramic Chip ConnectorKEY Board CapacitorTransistor SoundMode ShiftBuzzer BZ1 Conposition Circuit BlockMain BOARD, Complete Elect Diode DTZ-TT11-16B Double LayerDiode RD12SB2 Diode UDZ-TE-17-6.8BFMC2 COIL, Choke 0.5ATransistor DTC314TKH04 DTC114EKRef. No Description Remark R56 216-025-00 Tuner TU1 SWITCH, Slide Frequency SelectVariable Resistor RV1 Thermistor TH600 1-801-792-21 THERMISTOR, PositiveTC7WU04FU TE12R CXD2652ARMotor ASSY, SL Sled RES, Chip NetworkRES, Chip Network 1K Optical PICK-UP KMS-241B/J1RP507 501502503 504 505 506