MZ-R90/R91

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

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Contents

NEW SpecificationsLCX-2R Diagrams Table of ContentsExploded Views Electrical Parts List Flexible Circuit Board Repairing Eeprom Section Servicing Notes Section Headphones with a remote control RM-MZ2SGeneral Location of Controls Panel ASSY, Bottom Section DisassemblyUpper Panel Section MZ-R90 LCD MODULE, BUTTON, CONTROL, Service ASSY, Upper PanelMZ-R91 Belt ASSY, Ornamental Main BOARD, Case ASSY, Battery Chassis ASSY, SET, MD Mechanism Deck MT-MZR90-165 Service ASSY, OP Motor Flexible Board Holder Assy MOTOR, DC Sled M602 Setting Method of Test Mode Test ModeOperation in Setting the Test Mode Releasing the Test Mode Manual 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 0 Setting method of Sound Skip Check Result Display Mode Sound Skip Check Result Display ModeT a t T r y 000 1 s t Self-Diagnosis Display Mode Clearing Self-Diagnosis Data and Total Recording Time Description of Error Indication CodesDescription of Indication History REC Key Indication Key Check Mode E s N Section Electrical AdjustmentsE s O K ? E s C h P W M C l P W MR h V c l R h V c h S S Y E t T m pD R U N D O K O O K Laser Power CheckE s u m e E s C l r Block Diagram Servo Section Section DiagramsSignal Path REC Digital Block 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-TR IC602 IC601 IC605 XC6367B103MR IC803 XC6383C301MR IC603IC902 IC901 IC804 RV5C348A-E2 IC PIN Function Description Swdt VDC0Sclk VSC0 VSIO1 VDIO1Xras Ixoe Apcref XlrfLddr VDC4 Pause KEY Sync RECSense Wrpwr Sleep FfclrTSB Edge GND SW RMC KEY Half LockSET KEY REC KEY Panel Section MZ-R90 Section Exploded ViewsHK, CH, JEW Chassis section Not supplied Panel Section MZ-R91 101 105 113 112 114 106 110 107 111 109 Chassis Section102 103 104 108 109 MD-MECHANISM Deck Section Main Electrical Parts List CAP, Chip Ceramic Chip 5PF FILTER, Chip EMI Common Mode ConnectorCXD2660GA IC MPC17A56FTAEB FET HAT2050T-EL FET HAT2051T-ELFET Transistor ZDT6718TA Composition Circuit Block SwitchOPEN/CLOSE Detect SWITCH, Slide Synchro REC SWITCH, Slide HoldThermistor TH901 1-803-795-21 THERMISTOR, Positive Vibrator Miscellaneous Subject Addition of Korean Model Correction MZ-R90/R91 Exploded Views Electrical Parts ListHong Kong Model Korean Model 151 176 @ 112 105 106 #114Indicates changed portion.EXPLODED Views IC MPC18A31FTAEB IC MPC17A56FTA

Sony MZ-R91 service manual MZ-R90/R91

Models: MZ-R91

MZ-R90/R91