Sony MZ-NF610 service manual Adjustment Method of Vreclow X2 speed item number

Page 22

MZ-NF610

•Adjustment Method of VREC_LOW (X2 speed) (item number: 751)

Set LCD display

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

Set LCD display

7 51	AD **

**: Adjusted value

1.Connect a digital voltmeter to the TP1620 (VREC) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 1.20 ± 0.02V.

digital voltmeter

MAIN board

TP1620 (VREC)

TP1311 (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 24)

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

Set LCD display

7 52	AD **
**: Adjusted value

1.Connect a digital voltmeter to the TP1620 (VREC) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 1.20 ± 0.02V.

digital voltmeter

MAIN board

TP1620 (VREC)

TP1311 (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 24)

7 53	AD **

**: Adjusted value

1.Connect a digital voltmeter to the TP1620 (VREC) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes between 1.65V and 1.75V.

digital voltmeter

MAIN board

TP1620 (VREC)

TP1311 (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 24)

•Adjustment Method of CHGV_LOW (item number: 755)

Set LCD display

7 55	AD **

**: Adjusted value

Note: Remove the rechargeable battery.

1.Connect a digital voltmeter to the BATT+ and BATT– on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 1.35 ± 0.01V.

digital voltmeter

MAIN board

BATT +

BATT –

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 24)

22

Image 22

Contents MZ-NF610 Battery life MZ-NF610Flexible Circuit Board Repairing On power sourcesSection Servicing Notes System requirementsSection General MZ-NF610 Looking at controlsSection Disassembly Disassembly FlowCase Lower Upper Panel SectionLCD Module, Button Control Main BoardMechanism Deck MT-MZN710-177 Set Chassis AssyOP Service Assy LCX-5R Screw M1.4 Pull off lead screw Rack springHolder 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 Self-Diagnosis Result Display Mode Overall Adjustment ModeSelf-Diagnosis Result Display Mode Setting Method Setting Method of Reset the Error Display Code Reset the Error Display CodeDescription of Error Indication Codes Description of Indication HistoryCause of Sound Skip Error Sound Skip Check Result Display ModeSetting Method of Sound Skip Check Result Display Mode Setting Method of Key Check ModeSET OK Section Electrical Adjustments Adjustment and Connection Location Main board Digital voltmeter Main board TP1909 REGO1 TP1311 GND Adjustment Method of Vrecmiddle X4 speed item number Adjustment Method of Vreclow X2 speed item numberAdjustment Method of Vrechigh Head Motor item number Adjustment Method of Chgvlow item numberAdjustment Method of Chgihigh Charge current item number Adjustment Method of Chgvhigh item numberAdjustment Method of Chgilow Charge current item number Adjustment/checking and Connection Location Configuration of power supply adjustment auto item feed Power Supply Adjustment Auto Item FeedKey Connection Laser Power CheckConfiguration of Overall Adjustment Mode Checking methodOverall Adjustment Mode Title Display Overall Adjustment error message Adjustment Method of CD and MO Overall Adjustment ModeCD and MO Overall Adjustment Items MO overall adjustment items Resume Clear Setting Method Remuse ClearPre-check Rewriting the Patch Data at Replacement of Main BoardPreparation Rewriting the Patch DataMZ-NF610 MZ-NF610 MZ-NF610 Rewriting the NV values How to get the application NVWriter for NV values rewritingRewriting the NV values MZ-NF610 MZ-NF610 MZ-NF610 Section Diagrams Block DiagramWaveforms SurfacePrinted Wiring Board Main Board Side a Uses unleaded solder Semiconductor LocationPrinted Wiring Board Main Board Side B Uses unleaded solder Side BXPC18A22AEPR2 Schematic Diagram Main Board 2/4 Ioad HP OUT IC Block Diagrams IC302 AK5354VT-E2 IC361 TA2131FL ELIC501 SN761058AZQLR IC601 XPC18A22AEPR2 IC701 SC111258EPR2 IC901 SC901580EPR2 IC Pin Function Description Pin No Pin Name DescriptionKrck Chgadsel Uosci DVSS0 Msak Exploded Views SectionCase Section Chassis Section MT-MZN710-177 Not supplied Main board sectionMain Board Section 101 105 106 102 103 107 104302 308 306 303307 304 305 309 310 Mechanism Deck MT-MZN710-177 301311 354 Mechanism Deck MT-MZN710-177 358 357 365356 359 355 352 351Electrical Parts List MainTantalum Fuse SMD R312 RES-CHIP 16W R315 218-990-11 Metal Revision History