Sony MZ-N10 service manual Vrec H, 754 3.3upc, ChgV L, ChgV H

Page 20

MZ-N10

•Adjustment method of VREC_High (item number: 753)

Remote commander LCD display

753 VREC H **

**: 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 1.54 ± 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 3.3upc (item number: 754)

Remote commander LCD display

754 3.3upc **

**: Adjusted value

1.Remove the AC adaptor and USB cradle.

2.Turn off the BUILT-IN BATTERY switch.

3.Remove the rechargeable battery from the connector (CN951).

4.Supply dc 3.7V to the battery terminals (TP1952 : +, TP1951

: GND) with a regulated dc power supply.

5.Supply dc 5V to pin 8 (VBUS) of CN952 with a regulated dc power supply.

6.Turn on the BUILT-IN BATTERY switch.

7.Select the manual mode of the test mode (see page 12), and set the item number 754.

8.Connect a digital voltmeter to the TP1623 (3.3upc) on the MAIN

board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 3.30 ± 0.01 V.

digital voltmeter

MAIN board

TP1623 (3.3upc)

TP1951 (GND)

9. 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 ChgV L (item number: 755)

Remote commander LCD display

755 ChgV L **

**: Adjusted value

Note : Remove the rechargeable battery from the connector (CN951) and measure the voltage with the BUILT-IN BAT- TERY switch on. Use AC adaptor (6V) and USB cradle to supply the power.

1.Connect a digital voltmeter to the TP1952 (ChgV) on the MAIN

board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 3.40 ± 0.024 V.

digital voltmeter

MAIN board

TP1952 (ChgV)

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 ChgV H (item number: 756)

Remote commander LCD display

756 ChgV H **

**: Adjusted value

Note : Remove the rechargeable battery from the connector (CN951) and measure the voltage with the BUILT-IN BAT- TERY switch on. Use AC adaptor (6V) and USB cradle to supply the power.

1.Connect a digital voltmeter to the TP1952 (ChgV) on the MAIN

board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 4.20 ± 0.024 V.

 

 

 

 

 

 

digital

 

 

 

 

 

voltmeter

MAIN board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP1952 (ChgV)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 MZ-N10 ATRAC3 LP2/LP4Polarity of the plug On power sourcesFlexible Circuit Board Repairing Table of Contents Section Servicing Notes System requirementsRecorder Headphones/earphones with a remote control Section GeneralSection Disassembly Equipment can be removed using the following procedureBottom Panel Section, Jog Dial Section Upper Panel SectionMain Board Section MD Mechanism Deck MT-MZN10-181, Set ChassisOP Service Assy ABX-1R Gear SA, Gear SBHolder Assy Section Test Mode Setting Method of Test ModeOperation in Setting the Test Mode Releasing the Test ModeConfiguration of Test Mode Manual ModeTransition method in manual mode A n u a l011 C 6 8 S 0 F F J 0011 0 6 3 B 0 011 0 5 9 a 0R r C L R Reset the Error Display CodeL r O K ? 000 P * * R 000000 FF 000 rFFRMC OK 000 JOG+000 JOG+OK 000 JOGReset ResNV CCResOK? 021 ResPower Supply Manual Adjustment 741 VC1 L742 VC1 H 743 VC2 Lo747 REG3L1 748 REG3L2749 REG3 H Vrec LVrec H 754 3.3upcChgV L ChgV HTP1907 REG3 TP1909 REG1 Power Supply Adjustment Auto Item Feed Configuration of power supply adjustment auto item feedAssy ADJ OKLaser LrefPw @HrefPw @ WrPwLo @Configuration of overall adjustment mode Adjusted values modifying procedure881 ###S 882 ###SAssy11 000 *** NGCD OK MO OKMO overall adjustment items Resume clear setting method Resume043 Res ResClrRewriting the Patch Data at Replacement of Main Board PreparationPre-check Rewriting the patch dataMZ-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 043 Remaining charging time Number of times of fully chargingSection Diagrams Block DiagramWaveforms 4Vp-pPrinted Wiring Board Main Board Side a Uses unleaded solder Semiconductor LocationMain Board Side B Uses unleaded solder Main BoardSchematic Diagrams Main Board 1/4 See page 38 for Waveforms C513 270 ∝H TC7SZ126AFE IC Block Diagrams IC302 AN17020A-VBIC502 XC62HR2202MR IC503 XC62HR2502MR IC862 R2061K01-E2 IC951 SC901582EPR2 IC Pin Function Description Sens FmckXskh XsklFfclr XcsnvJoga JogbUosci UoscoSI3 SO3Xras XCSDVSS0 DVSS1Msak FVDD0FVSS0 Section Exploded Views KNOB, Balance White . . . REDBottom Panel Section US,CND,HK,KR,TW,E18,CHChassis Section 111 112 106 105 104 103MD Mechanism Deck Section MT-MZN10-181 152 153 151Main Electrical Parts List SectionMain CAP,CHIP Ceramic Resistor Switch 501 502 505504 503 507Memo Revision History Date Description of Revision
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