Jvc-NXT-10-Service-Manual电路原理图.pdf

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1、SERVICE MANUALCOPYRIGHT 2010 Victor Company of Japan, LimitedNo.MB7072010/2COMPACT COMPONENT SYSTEMMB70720102SERVICE MANUALNX-T10E, NX-T10EN, NX-T10EV, NX-T10UGCOPYRIGHT 2010 Victor Company of Japan, LimitedLead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)TABLE

2、 OF CONTENTS1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-42 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3、 . . . . . . 1-73 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-74 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4、. . . . . . . . . . . . . . . 1-115 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11SP-NXT10FSP-NXT10F SP-NXT10WCA-NXT10Except UG1-2 (No.MB707)SPECIFICATIONDesigns disconnect theconnector wire from

5、Subwoofer speaker connected to con-nector CN2 of the Power amp board. (See Fig.3)Fig.3MNMTCON1PPQRRSTTAABCN21-10 (No.MB707)3.2.2 Removing the Power cover and Amp cover (See Fig.4,5, 6, 7)(1) Remove the five screws C attaching the Cover. (See Fig.4)Fig.4(2) Remove the three screws D attaching the Cov

6、er. (SeeFig.5)Fig.5(3) Remove the six screws E attaching the Cover. (See Fig.6)Fig.6(4) Lift up the Power cover; remove the two screws F attachingthe Amp cover. (See Fig.7)Fig.73.2.3 Removing the Power board (See Fig.8)(1) Disconnect the power cord connected to connector CN1 ofthe Power board.(2) Di

7、sconnect the connector wires from Amp board connect-ed to connector CN2 and CN3 of the Power board.(3) Remove the eight screws G attaching the Power board.Fig.83.2.4 Removing the Amp board (See Fig.9, 10)(1) Remove the three screws H attaching the Back plate. (SeeFig.9)Fig.9(2) Remove the four screws J attaching the Amp board. (seeFig.10)Fig.10CDEFGGGGCN2 CN3CN1HJJ