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Sony MZ-B10 service manual Vrec M, Vrec H

Models: MZ-B10

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Page 24

VREC M **

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)

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Image 24

Sony MZ-B10 service manual Vrec M, Vrec H

Contents

SPECIFICATIONS Sony CorporationContinued on next page 9-877-031-03Battery life Notes on chip component replacementFlexible Circuit Board Repairing MZ-B10TABLE OF CONTENTS DISASSEMBLYDIAGRAMS EXPLODED VIEWSMZ-B10 SECTION SERVICING NOTES NOTES ON LASER DIODE EMISSION CHECKNOTES ON HANDLING THE OPTICAL PICK-UPBLOCK LCX-5R MAIN Board Side BSECTION GENERAL Looking at the controls MZ-B10Front of the recorder Back of the recorderMZ-B10 SECTION DISASSEMBLY 3-1.Disassembly Flow3-2.Case Lower Assy 3-3.Speaker AssyMZ-B10 3-4.MAIN Board 3-5.Electret Condenser Microphone MIC901MZ-B10 3-6.Set Chassis Assy, Case Spk Assy 3-7.Case Upper AssyMZ-B10 3-8.LCD Module 3-9.Rec Button AssyMZ-B10 6 screw3-10.Mechanism Deck MT-MZN710-177 MZ-B102 flexible board motor CN701 4flexible board optical pick-upCN5013-11.Gear SA, OP Service Assy LCX-5R MZ-B102 gear SA 5 screw M1.43-12.Holder Assy 3-13.DC Motor Sled M602MZ-B10 4 holder assy 2 Open the holder assy 3 bossMZ-B10 6 gear HASetting Method of Test Mode Operation in Setting the Test Mode888 MZ-B10 SECTION TEST MODEConfiguration of Test Mode Servo AdjustmentAudio Adjustment Power Supply Adjustment OP Alignment AdjustmentOverall Adjustment Mode C68S1B0FEJ1B 063B1BReset the Error Display Code Description of Error Indication CodesSetting Method of Reset the Error Display Code Description of Indication HistoryCause of Sound Skip Error Setting Method of Key Check ModeP**R P**R 000 EIB 000 Stat 000 Adrs 000 BEmp**000Reset ELECTRICAL ADJUSTMENTSPrecautions for Adjustment Adjustment SequencePower Supply Manual Adjustment Adjusted values modifying procedureAdjustment sequence Adjustment Method of VC1 LOW PB item numberAdjustment Method of VC1 HIGH REC item number Adjustment Method of VC2 HIGH item number•Adjustment Method of VC2_LOW item number: Adjustment Method of REG1 item numberAdjustment Method of REG3 LOW1 item number •Adjustment Method of REG3_HIGH item number:Adjustment Method of REG3 LOW2 item number REG3L1VREC M VREC HMZ-B10 MZ-B10 MAIN BOARD SIDE BIC601 IC901Power Supply Adjustment Auto Item Feed AssyADJ OK SetTmpLaser Power Check Configuration of Overall Adjustment ModeLaser WrPwHi 9EOverall Adjustment Mode Title Display Overall Adjustment error messageAssy11 CD RUNCD and MO Overall Adjustment Items 1. CD overall adjustment items2. MO overall adjustment items MZ-B10Resume ResResClr PatClr2A15 2B9800Patch SCCPatch data list Adjusted valueAdjusted value Adjusted valueMZ-B10 2ABFMZ-B10 2B6DDIAGRAMS Block DiagramSECTION MZ-B10Waveforms MZ-B10MZ-B10 G HMZ-B10 MZ-B10 SL501Ver MZ-B10IC801 CXD2680-207GAMZ-B10 O8S6800S0AZMMZ-B10 229CIC Block Diagrams IC302 TA2131FLELIC501 SN761058ZQLR MZ-B10IC601 XPC18A22AEPR2 MZ-B10IC701 SC111258EPR2 MZ-B10IC901 SC901580EPR2 MZ-B106-9.IC Pin Function Description MZ-B10Ver Pin NoMZ-B10 Data input from the external A/D converterMZ-B10 Not used openKey input A/D input from the remote commander MZ-B10MZ-B10 DRAM chip select terminalMZ-B10 FVDD0EXPLODED VIEWS 7-1.Lower Case SectionSECTION MZ-B107-2.Upper Chassis Section 51 54 57MZ-B10 7-3.Chassis Section 107107 1107-4.Mechanism Deck Section-1 MT-MZN710-177//M 308303307 MZ-B107-5.Mechanism Deck Section-2 MT-MZN710-177//M 356354 359ELECTRICAL PARTS LIST MAINMZ-B10 SECTIONMZ-B10 MAINRef. No MZ-B10 MAINVer Ref. NoMZ-B10 MAINRef. No MZ-B10 MAIN MEMO MZ-B10Correction of laser power meter reading REVISION HISTORYMZ-B10 Date