Sony MZ-N10 service manual 747 REG3L1, 748 REG3L2, 749 REG3 H, Vrec L, Vrec M

Page 19

MZ-N10

•Adjustment method of REG1 (item number: 745)

Remote commander LCD display

745 REG1

**

**: Adjusted value

 

1.Connect a digital voltmeter to the TP1909 (REG1) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 2.15 +– 0.000.01 V.

digital voltmeter

MAIN board

TP1909 (REG1)

TP1951 (GND)

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

Adjustment and Connection Location: MAIN board (see page 21)

•Adjustment method of REG 3 Low (VC2 Low) (item number: 747)

Remote commander LCD display

747 REG3L1 **

**: Adjusted value

1.Connect a digital voltmeter to the TP1907 (REG3) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 1.20 +– 0.000.01 V.

digital voltmeter

MAIN board

TP1907 (REG3)

TP1951 (GND)

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

Adjustment and Connection Location: MAIN board (see page 21)

•Adjustment method of REG 3 Low (VC2 High) (item number: 748)

Remote commander LCD display

748 REG3L2 **

**: Adjusted value

1.Connect a digital voltmeter to the TP1907 (REG3) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 1.20 +– 0.000.01 V.

digital voltmeter

MAIN board

TP1907 (REG3)

TP1951 (GND)

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

Adjustment and Connection Location: MAIN board (see page 21)

•Adjustment method of REG 3 High (item number: 749)

Remote commander LCD display

749 REG3 H **

**: Adjusted value

1.Connect a digital voltmeter to the TP1907 (REG3) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 1.35 +– 0.000.01 V.

digital voltmeter

MAIN board

TP1907 (REG3)

TP1951 (GND)

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

Adjustment and Connection Location: MAIN board (see page 21)

•Adjustment method of VREC_Low (item number: 751)

Remote commander LCD display

751 VREC L **

**: Adjusted value

1.Connect a digital voltmeter to the TP1622 (VREC) on the MAIN

board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 1.10 ± 0.015 V.

digital voltmeter

MAIN board

TP1622 (VREC)

TP1951 (GND)

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

Adjustment and Connection Location: MAIN board (see page 21)

•Adjustment method of VREC_Middle (item number: 752)

Remote commander LCD display

752 VREC M **

**: Adjusted value

1.Connect a digital voltmeter to the TP1622 (VREC) on the MAIN

board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 1.24 ± 0.015 V.

digital voltmeter

MAIN board

TP1622 (VREC)

TP1951 (GND)

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

Adjustment and Connection Location: MAIN board (see page 21)

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Contents ATRAC3 LP2/LP4 MZ-N10Flexible Circuit Board Repairing On power sourcesPolarity of the plug Table of Contents System requirements Section Servicing NotesSection General Recorder Headphones/earphones with a remote controlEquipment can be removed using the following procedure Section DisassemblyUpper Panel Section Bottom Panel Section, Jog Dial SectionMD Mechanism Deck MT-MZN10-181, Set Chassis Main Board SectionGear SA, Gear SB OP Service Assy ABX-1RHolder Assy Releasing the Test Mode Section Test ModeSetting Method of Test Mode Operation in Setting the Test ModeA n u a l Configuration of Test ModeManual Mode Transition method in manual mode011 0 5 9 a 0 011 C 6 8 S 0F F J 0 011 0 6 3 B 0L r O K ? Reset the Error Display CodeR r C L R 000 rFF 000 P * * R000 000 FF000 JOG RMC OK000 JOG+ 000 JOG+OK021 Res ResetResNV CC ResOK?743 VC2 Lo Power Supply Manual Adjustment741 VC1 L 742 VC1 HVrec L 747 REG3L1748 REG3L2 749 REG3 HChgV H Vrec H754 3.3upc ChgV LTP1907 REG3 TP1909 REG1 ADJ OK Power Supply Adjustment Auto Item FeedConfiguration of power supply adjustment auto item feed AssyWrPwLo @ LaserLrefPw @ HrefPw @882 ###S Configuration of overall adjustment modeAdjusted values modifying procedure 881 ###SMO OK Assy11000 *** NG CD OKMO overall adjustment items ResClr Resume clear setting methodResume 043 ResRewriting the patch data Rewriting the Patch Data at Replacement of Main BoardPreparation Pre-checkMZ-N10 Confirmation of contents of the patch data rewrited Removing the set Rewriting the NV values How to get the application NVWriter for NV values rewritingRewriting the NV values MZ-N10 MZ-N10 MZ-N10 Remaining charging time Number of times of fully charging 043Block Diagram Section Diagrams4Vp-p WaveformsSemiconductor Location Printed Wiring Board Main Board Side a Uses unleaded solderMain Board Main Board Side B Uses unleaded solderSchematic Diagrams Main Board 1/4 See page 38 for Waveforms C513 270 ∝H TC7SZ126AFE IC302 AN17020A-VB IC Block DiagramsIC502 XC62HR2202MR IC503 XC62HR2502MR IC862 R2061K01-E2 IC951 SC901582EPR2 IC Pin Function Description Xskl SensFmck XskhJogb FfclrXcsnv JogaSO3 UosciUosco SI3DVSS1 XrasXCS DVSS0FVSS0 FVDD0Msak KNOB, Balance White . . . RED Section Exploded ViewsUS,CND,HK,KR,TW,E18,CH Bottom Panel Section111 112 106 105 104 103 Chassis Section152 153 151 MD Mechanism Deck Section MT-MZN10-181Section Main Electrical Parts ListMain CAP,CHIP Ceramic Resistor Switch 507 501 502505 504 503Memo Date Description of Revision Revision History
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