Sony MZ-R91 service manual MZ-R90/R91

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6-5. SCHEMATIC DIAGRAM • See page 38 for Waveforms. • See page 41 for IC Block Diagrams.

MZ-R90/R91

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Contents NEW SpecificationsLCX-2R Diagrams Table of ContentsExploded Views Electrical Parts List Flexible Circuit Board RepairingEeprom Section Servicing NotesSection Headphones with a remote control RM-MZ2SGeneral Location of ControlsPanel ASSY, Bottom Section DisassemblyUpper Panel Section MZ-R90 LCD MODULE, BUTTON, CONTROL, Service ASSY, Upper PanelMZ-R91 Belt ASSY, Ornamental Main BOARD, Case ASSY, BatteryChassis ASSY, SET, MD Mechanism Deck MT-MZR90-165 Service ASSY, OPMotor Flexible Board Holder AssyMOTOR, DC Sled M602 Setting Method of Test Mode Test ModeOperation in Setting the Test Mode Releasing the Test ModeManual Mode Configuration of Test ModeA n u a l 011 0 F F J 0 Overall Adjustment Mode011 0 6 3 B 0 011 0 5 9 a 0Setting method of Sound Skip Check Result Display Mode Sound Skip Check Result Display ModeT a t T r y000 1 s t Self-Diagnosis Display ModeClearing Self-Diagnosis Data and Total Recording Time Description of Error Indication CodesDescription of Indication History RECKey Indication Key Check ModeE s N Section Electrical AdjustmentsE s O K ? E sC h P W M C l P W MR h V c l R h V c hS S Y E t T m pD R U N D O KO O K Laser Power CheckE s u m e E s C l rBlock Diagram Servo Section Section DiagramsSignal Path REC DigitalBlock Diagram KEY CONTROL/DISPLAY/POWER Supply Section Block Diagram A/D, D/A CONVERTER, Audio SectionSignal Path Play Analog OUT REC Analog REC Digital Semiconductor Location Printed Wiring BoardJEW MZ-R90/R91 Waveforms IC Block Diagrams IC301IC501 SN761056ADBT IC304, 305 RN5RZ25AA-TRIC602 IC601IC605 XC6367B103MR IC803 XC6383C301MR IC603IC902 IC901 IC804 RV5C348A-E2IC PIN Function Description Swdt VDC0Sclk VSC0VSIO1 VDIO1Xras IxoeApcref XlrfLddr VDC4Pause KEY Sync RECSense WrpwrSleep FfclrTSB Edge GND SWRMC KEY Half LockSET KEY REC KEYPanel Section MZ-R90 Section Exploded ViewsHK, CH, JEW Chassis section Not supplied Panel Section MZ-R91101 105 113 112 114 106 110 107 111 109 Chassis Section102 103 104 108 109 MD-MECHANISM Deck Section Main Electrical Parts ListCAP, Chip Ceramic Chip 5PFFILTER, Chip EMI Common Mode ConnectorCXD2660GA IC MPC17A56FTAEBFET HAT2050T-EL FET HAT2051T-ELFET Transistor ZDT6718TAComposition Circuit Block SwitchOPEN/CLOSE Detect SWITCH, Slide Synchro REC SWITCH, Slide HoldThermistor TH901 1-803-795-21 THERMISTOR, Positive Vibrator MiscellaneousSubject Addition of Korean Model Correction MZ-R90/R91Exploded Views Electrical Parts ListHong Kong Model Korean Model 151 176 @ 112 105 106 #114Indicates changed portion.EXPLODED Views IC MPC18A31FTAEB IC MPC17A56FTA