Sony MZ-B10 service manual VC1 H 742, VC2 Hi 744, VC2 Lo 743, REG1 745

Page 22

MZ-B10

•Adjustment Method of VC1_HIGH (REC) (item number: 742)

Set LCD display

VC1 H **

742

**: Adjusted value

1.Connect a digital voltmeter to the TP1928 (VCO1) on the MAIN board, and adjust [SPEED CONTROL +] key (voltage up) or [SPEED CONTROL --]key (voltage down) so that the voltage becomes 2.75 ± 0.05V.

digital voltmeter

MAIN board

TP1928 (VCO1)

TP1616 (GND)

•Adjustment Method of VC2_HIGH (item number: 744)

Set LCD display

VC2 Hi **

744

**: Adjusted value

1.Connect a digital voltmeter to the TP1905 (VCOUT) on the MAIN board, and adjust [SPEED CONTROL +] key (voltage up) or [SPEED CONTROL --]key (voltage down) so that the voltage becomes 2.30 ± 0.01V.

digital voltmeter

MAIN board

TP1905 (VCOUT)

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 VC2_LOW (item number: 743)

Set LCD display

VC2 Lo **

743

**: Adjusted value

1.Connect a digital voltmeter to the TP1905 (VCOUT) on the MAIN board, and adjust [SPEED CONTROL +] key (voltage up) or [SPEED CONTROL --]key (voltage down) so that the voltage becomes 2.30 ± 0.01V.

digital voltmeter

MAIN board

TP1905 (VCOUT)

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)

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 REG1 (item number: 745)

Set LCD display

REG1 **

745

**: Adjusted value

1.Connect a digital voltmeter to the TP1909 (REGO1) on the MAIN board, and adjust [SPEED CONTROL +] key (voltage up) or [SPEED CONTROL --]key (voltage down) so that the voltage becomes 2.15 ± 0.01V.

digital voltmeter

MAIN board

TP1909 (REGO1)

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)

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Contents MZ-B10 877-031-03LP2 LP4 Mono Battery lifeFlexible Circuit Board Repairing 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 Operation in Setting the Test Mode Section Test ModeSetting Method of Test Mode Releasing the Test ModeManual Mode Configuration of Test ModeTransition Method in Manual Mode 081A1B C68S1B063B1B 000F1BSetting Method of Reset the Error Display Code Reset the Error Display CodeDescription of Error Indication Codes Description of Indication History000 EIB Stat Adrs BEmp**000 ######000 BOvr Bful Rtry Sound Skip Check Result Display Mode000 888ResOK? ResetResNV CC ResV2 num 863 V1 num 861V1 dat 862 V2 dat 864VC2 Lo 743 VC1 H 742VC2 Hi 744 REG1 745REG3L2 748 REG3L1 747REG3 H 749 751752 Adjustment Method of Vrecmiddle X4 speed item numberAdjustment Method of Vrechigh Head Motor item number 753Adjustment/checking and Connection Location Assy 000 Power Supply Adjustment Auto Item FeedConfiguration of power supply adjustment auto item feed SetTmp 015WrPwHi 9E Laser Power CheckLaser HrefPwOverall Adjustment error message Overall Adjustment Mode Title DisplayAdjustment Method of CD and MO Overall Adjustment Mode Assy11 000CD and MO Overall Adjustment Items CD overall adjustment itemsResClr 043 Resume 043Res 043 PatClr 022Patch 023 2A152B9800 SCC 023Address value Adjusted value Patch data list2AFC 2ABF2AFB 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 Sens LrckExcs FmckFfclr GndswVlon XcsnvSI3 UosciUosco SO3DVSS1 XCSDVSS0 DVSS2FVDD0 FVSS0Exploded Views SectionLower Case Section Upper Chassis Section 112 108 Chassis Section 101105 107 104 102 103 106 110Mechanism Deck MT-MZN710-177//M 301 302 308 306 303307 304 305309 310 311358 Mechanism Deck MT-MZN710-177//M 357 356 355354 353 352 351 359 361 360 364Resistors Main Electrical Parts ListSemiconductors Main SN761058AZQLR RES-CHIP Short Chip Variable Resistor Memo Revision History