Sony MZ-R91 service manual LCD MODULE, BUTTON, CONTROL, Service ASSY, Upper Panel, MZ-R90

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LCD MODULE, “BUTTON, CONTROL”, “SERVICE ASSY, UPPER PANEL”

• MZ-R90

1 five screws (1.4)

2 LCD module

3 control button

4 upper panel service assy

•MZ-R91

1 five tapping screws

(1.7)

2 LCD module

3 control button

Note: The control buttons are stuck with strong adhesive sheets.

As the control buttons are very fragile, do not peel them off forcibly.

5 upper panel service assy

4adhesive sheet (control button)

Note: Also replace the adhesive sheets (control button), when replacing the control buttons and upper panel service assy.

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Contents Specifications NEWLCX-2R Exploded Views Electrical Parts List Table of ContentsDiagrams Flexible Circuit Board RepairingSection Servicing Notes EepromGeneral Headphones with a remote control RM-MZ2SSection Location of ControlsSection Disassembly Panel ASSY, BottomUpper Panel Section LCD MODULE, BUTTON, CONTROL, Service ASSY, Upper Panel MZ-R90MZ-R91 Main BOARD, Case ASSY, Battery Belt ASSY, OrnamentalService ASSY, OP Chassis ASSY, SET, MD Mechanism Deck MT-MZR90-165Holder Assy Motor Flexible BoardMOTOR, DC Sled M602 Operation in Setting the Test Mode Test ModeSetting Method of Test Mode Releasing the Test ModeConfiguration of Test Mode Manual ModeA n u a l 011 0 6 3 B 0 Overall Adjustment Mode011 0 F F J 0 011 0 5 9 a 0T a t Sound Skip Check Result Display ModeSetting method of Sound Skip Check Result Display Mode T r ySelf-Diagnosis Display Mode 000 1 s tDescription of Indication History Description of Error Indication CodesClearing Self-Diagnosis Data and Total Recording Time RECKey Check Mode Key IndicationE s O K ? Section Electrical AdjustmentsE s N E sR h V c l C l P W MC h P W M R h V c hD R U N E t T m pS S Y D O KE s u m e Laser Power CheckO O K E s C l rSignal Path Section DiagramsBlock Diagram Servo Section REC DigitalBlock Diagram A/D, D/A CONVERTER, Audio Section Block Diagram KEY CONTROL/DISPLAY/POWER Supply SectionSignal Path Play Analog OUT REC Analog REC Digital Printed Wiring Board Semiconductor LocationJEW MZ-R90/R91 IC501 SN761056ADBT IC Block Diagrams IC301Waveforms IC304, 305 RN5RZ25AA-TRIC601 IC602IC603 IC605 XC6367B103MR IC803 XC6383C301MRIC902 IC804 RV5C348A-E2 IC901IC PIN Function Description Sclk VDC0Swdt VSC0Xras VDIO1VSIO1 IxoeLddr XlrfApcref VDC4Sense Sync RECPause KEY WrpwrTSB Edge FfclrSleep GND SWSET KEY Half LockRMC KEY REC KEYSection Exploded Views Panel Section MZ-R90HK, CH, JEW Panel Section MZ-R91 Chassis section Not suppliedChassis Section 101 105 113 112 114 106 110 107 111 109102 103 104 108 109 MD-MECHANISM Deck Section Electrical Parts List MainCeramic Chip 5PF CAP, ChipCXD2660GA ConnectorFILTER, Chip EMI Common Mode IC MPC17A56FTAEBFET FET HAT2051T-ELFET HAT2050T-EL Transistor ZDT6718TASwitch Composition Circuit BlockOPEN/CLOSE Detect Thermistor TH901 1-803-795-21 THERMISTOR, Positive Vibrator SWITCH, Slide HoldSWITCH, Slide Synchro REC MiscellaneousMZ-R90/R91 Subject Addition of Korean Model CorrectionElectrical Parts List Exploded ViewsHong Kong Model Korean Model 112 105 106 #114 151 176 @Indicates changed portion.EXPLODED Views IC MPC17A56FTA IC MPC18A31FTAEB