Sony MZ-B10 service manual V1 num 861, V1 dat 862, V2 num 863, V2 dat 864, VC1 L 741

Page 21

Rewriting the NV values

Note : Modify four adjusted values through the following proce- dure. Modifying the item number 863 and 864 is not neces- sary after version 1.600.

• Adjusted values modifying procedure

1.Select manual mode of the test mode, and set item number 860 (see page 16).

2.Press the > key to set item number 861.

Set LCD display

V1 num **

861

**: Adjusted value

3.Adjust with the [SPEED CONTROL +] key (adjusted value up) or [SPEED CONTROL -]key (adjusted value down) so that the adjusted value becomes E3.

4. Press the X key on the set or the

 

 

 

key on the remote

 

commander to write the adjusted value.

 

 

 

5.Press the > key to set item number 862.

Set LCD display

V1 dat **

862

**: Adjusted value

6. Adjust with the [SPEED CONTROL +] key (adjusted value up) or [SPEED CONTROL -]key (adjusted value down) so that the adjusted value becomes 55.

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

8.Press the > key to set item number 863.

Set LCD display

V2 num **

863

**: Adjusted value

9. Adjust with the [SPEED CONTROL +] key (adjusted value up) or [SPEED CONTROL -]key (adjusted value down) so that the adjusted value becomes 89.

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

11.Press the > key to set item number 864 .

Set LCD display

V2 dat **

864

**: Adjusted value

12.Adjust with the [SPEED CONTROL +] key (adjusted value up) or [SPEED CONTROL -]key (adjusted value down) so that the adjusted value becomes 03.

13. Press the

X

key on the set or the

 

 

 

key on the remote

 

 

 

 

 

 

 

commander to write the adjusted value.

 

 

 

MZ-B10

Power Supply Manual Adjustment

• Adjustment sequence

Adjustment must be done with the following steps.

1.VC1_LOW (PB) adjustment (item number : 741)

2.VC1_HIGH (REC) adjustment (item number : 742)

3.VC2_LOW adjustment (item number : 743)

4.VC2_HIGH adjustment (item number : 744)

5.REG1 adjustment (item number : 745)

6.REG3_LOW1 adjustment (item number : 747)

7.REG3_LOW2 adjustment (item number : 748)

8.REG3_HIGH adjustment (item number : 749)

9.VREC_LOW (X2 speed) adjustment (item number : 751)

10.VREC_MIDDLE (X4 speed)adjustment (item number : 752)

11.VREC_HIGH (HEAD MOTOR) adjustment (item number : 753)

• Setting Method of Power Supply Manual Adjustment

1.Make sure that the power supply voltage is 1.2V (BATT IN).

2.Select the manual mode of the test mode (see page 16).

3.Set item number.

Note1: BATT- terminal is not GND when AC adaptor is used.

Note2: Power supply adjustment auto item feed mode (page 26) is available to perform the temperature Correction and Power Supply Adjustment without entering the manual mode.

•Adjustment Method of VC1_LOW (PB) (item number: 741)

Set LCD display

VC1 L **

741

**: 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 2.4 ± 0.05V.

digital voltmeter

MAIN board

TP1928 (VCO1)

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 877-031-03 MZ-B10Flexible Circuit Board Repairing Battery lifeLP2 LP4 Mono LP2Table of Contents Main Board Side B Section Servicing NotesLooking at the controls MZ-B10 Section GeneralDisassembly Flow Section DisassemblySpeaker Assy Case Lower AssyElectret Condenser Microphone MIC901 Main BoardCase Upper Assy Set Chassis Assy, Case Spk AssyRec Button Assy LCD ModuleMechanism Deck MT-MZN710-177 Gear SA Screw M1.4 Gear SA, OP Service Assy LCX-5RDC Motor Sled M602 Holder AssyGear HA Setting Method of Test Mode Section Test ModeOperation in Setting the Test Mode Releasing the Test ModeConfiguration of Test Mode Manual ModeTransition Method in Manual Mode 063B1B C68S1B081A1B 000F1BDescription of Error Indication Codes Reset the Error Display CodeSetting Method of Reset the Error Display Code Description of Indication History000 Sound Skip Check Result Display Mode000 EIB Stat Adrs BEmp**000 ######000 BOvr Bful Rtry 888ResNV CC ResetResOK? ResV1 dat 862 V1 num 861V2 num 863 V2 dat 864VC2 Hi 744 VC1 H 742VC2 Lo 743 REG1 745REG3 H 749 REG3L1 747REG3L2 748 751Adjustment Method of Vrechigh Head Motor item number Adjustment Method of Vrecmiddle X4 speed item number752 753Adjustment/checking and Connection Location Configuration of power supply adjustment auto item feed Power Supply Adjustment Auto Item FeedAssy 000 SetTmp 015Laser Laser Power CheckWrPwHi 9E HrefPwAdjustment Method of CD and MO Overall Adjustment Mode Overall Adjustment Mode Title DisplayOverall Adjustment error message Assy11 000CD overall adjustment items CD and MO Overall Adjustment ItemsRes 043 Resume 043ResClr 043 PatClr 0222B9800 2A15Patch 023 SCC 023Patch data list Address value Adjusted value2AFB 2ABF2AFC 2ADB345 Block Diagram Section DiagramsLead Layouts WaveformsSemiconductor Location Printed Wiring Board Main Board Side a Uses unleaded solderSemiconductor Printed Wiring Board Main Board Side B Uses unleaded solderTP1607 TP1602 TP1608 TP1609 Ver 1.2 Schematic Diagram Main Board 2/4 See page 36 for WaveformsDTE306KCXJA ND730GA NEL02TPLI1 02RETPINL2 ETDPPT803OT 229C IC302 TA2131FLEL IC Block DiagramsIC601 XPC18A22AEPR2 IC701 SC111258EPR2 IC901 SC901580EPR2 IC Pin Function Description Excs LrckSens FmckVlon GndswFfclr XcsnvUosco UosciSI3 SO3DVSS0 XCSDVSS1 DVSS2FVSS0 FVDD0Section Exploded ViewsLower Case Section Upper Chassis Section 105 107 104 102 103 106 Chassis Section 101112 108 110302 308 306 303307 304 305309 310 311 Mechanism Deck MT-MZN710-177//M 301354 353 352 351 Mechanism Deck MT-MZN710-177//M 357 356 355358 359 361 360 364Main Electrical Parts List ResistorsSemiconductors Main SN761058AZQLR RES-CHIP Short Chip Variable Resistor Memo Revision History
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