Sony MZ-B10 service manual 752, 753, Adjustment Method of Vrecmiddle X4 speed item number

Page 24

MZ-B10

•Adjustment Method of VREC_MIDDLE (X4 speed) (item number: 752)

Set LCD display

VREC M **

752

**: Adjusted value

1.Connect a digital voltmeter to the TP1620 (VREC) on the MAIN board, and adjust [SPEED CONTROL+] key (voltage up) or [SPEED CONTROL --]key (voltage down) so that the voltage becomes 1.10 ± 0.01V.

digital voltmeter

MAIN board

TP1620 (VREC)

TP1616 (GND)

2. Press the X key on the set or the				key on the remote

commander to write the adjusted value.

Adjustment and Connection Location: MAIN board (see page 25)

•Adjustment Method of VREC_HIGH (HEAD MOTOR) (item number: 753)

Set LCD display

VREC H **

753

**: Adjusted value

1.Connect a digital voltmeter to the TP1620 (VREC) on the MAIN board, and adjust [SPEED CONTROL +] key (voltage up) or [SPEED CONTROL --]key (voltage down) so that the voltage becomes 1.65 ± 0.01V.

digital voltmeter

MAIN board

TP1620 (VREC)

TP1616 (GND)

2.Press the X key on the set or the key on the remote commander to write the adjusted value.

Adjustment and Connection Location: MAIN board (see page 25)

24

Image 24

Contents MZ-B10 877-031-03Battery life Flexible Circuit Board RepairingLP2 LP4 Mono LP2Table of Contents Section Servicing Notes Main Board Side BSection General Looking at the controls MZ-B10Section Disassembly Disassembly FlowCase Lower Assy Speaker AssyMain Board Electret Condenser Microphone MIC901Set Chassis Assy, Case Spk Assy Case Upper AssyLCD Module Rec Button AssyMechanism Deck MT-MZN710-177 Gear SA, OP Service Assy LCX-5R Gear SA Screw M1.4Holder Assy DC Motor Sled M602Gear HA Section Test Mode Setting Method of Test ModeOperation in Setting the Test Mode Releasing the Test ModeConfiguration of Test Mode Manual ModeTransition Method in Manual Mode C68S1B 063B1B081A1B 000F1BReset the Error Display Code Description of Error Indication CodesSetting Method of Reset the Error Display Code Description of Indication HistorySound Skip Check Result Display Mode 000000 EIB Stat Adrs BEmp**000 ######000 BOvr Bful Rtry 888Reset ResNV CCResOK? ResV1 num 861 V1 dat 862V2 num 863 V2 dat 864VC1 H 742 VC2 Hi 744VC2 Lo 743 REG1 745REG3L1 747 REG3 H 749REG3L2 748 751Adjustment Method of Vrecmiddle X4 speed item number Adjustment Method of Vrechigh Head Motor item number752 753Adjustment/checking and Connection Location Power Supply Adjustment Auto Item Feed Configuration of power supply adjustment auto item feedAssy 000 SetTmp 015Laser Power Check LaserWrPwHi 9E HrefPwOverall Adjustment Mode Title Display Adjustment Method of CD and MO Overall Adjustment ModeOverall Adjustment error message Assy11 000CD and MO Overall Adjustment Items CD overall adjustment itemsResume 043 Res 043ResClr 043 PatClr 0222A15 2B9800Patch 023 SCC 023Address value Adjusted value Patch data list2ABF 2AFB2AFC 2ADB345 Section Diagrams Block DiagramWaveforms Lead LayoutsPrinted Wiring Board Main Board Side a Uses unleaded solder Semiconductor LocationPrinted Wiring Board Main Board Side B Uses unleaded solder SemiconductorTP1607 TP1602 TP1608 TP1609 Schematic Diagram Main Board 2/4 See page 36 for Waveforms Ver 1.2DTE306KCXJA ND730GA NEL02TPLI1 02RETPINL2 ETDPPT803OT 229C IC Block Diagrams IC302 TA2131FLELIC601 XPC18A22AEPR2 IC701 SC111258EPR2 IC901 SC901580EPR2 IC Pin Function Description Lrck ExcsSens FmckGndsw VlonFfclr XcsnvUosci UoscoSI3 SO3XCS DVSS0DVSS1 DVSS2FVDD0 FVSS0Section Exploded ViewsLower Case Section Upper Chassis Section Chassis Section 101 105 107 104 102 103 106112 108 110Mechanism Deck MT-MZN710-177//M 301 302 308 306 303307 304 305309 310 311Mechanism Deck MT-MZN710-177//M 357 356 355 354 353 352 351358 359 361 360 364Main Electrical Parts List ResistorsSemiconductors Main SN761058AZQLR RES-CHIP Short Chip Variable Resistor Memo Revision History