JBL-Media4-spk-sm 维修电路原理图.pdf

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1、JBL Consumer Products Inc.80 Crossways Park WestWoodbury, N.Y. 117971-800-336-4JBL in the USAA Harman International CompanyPart No.: 1112-MEDIA4Media 4TECHNICAL MANUAL2-way 5 Powered Multimedia Speaker SystemRadioFans.CN 收音机爱 好者资料库RadioFans.CN 收音机爱 好者资料库Two-Way Stereo Speaker System45PRINTED CIRCUIT

2、 BOARDS(viewing trace layer through the board)MEDIA 4PACKAGINGINSERTIC-5023 (C)SURVEY CARDCA-MEDIA4 (A)WARRANTY CARDCG-JBL-E (A)OWNERS MANUALUM-MEDIA4 (C)STEREOMINIPLUG CABLEL-20XL (C)TOP FOAM INSERTHP-B5060A (C)BOTTOM FOAM INSERTHP-B5060B (C)POLY BAGFOR SPEAKERSBB-400X550X 0.02 (x2)POLY BAGFOR CORD

3、BB-125X300X 0.02AC POWER SUPPLYACC-16A00221GIFT BOXIC-MEDIA-4 (C)Two-Way Stereo Speaker System48PACKAGING EXPLODED VIEW87654329LMABCDEFGHIJKLMKJIHGFEDCBA1123456789NN10Media 4 Schematic DiagramTwo-way Stereo Speaker SystemMedia 42.0V 0.2V0V+1.8V+14V+15.2V+10.5VSEALED INSIDE CUP0V+8.9V+5.2V+5.26V+5.2V

4、+5.26V+5.2V+5.2V+5.26V+5.26V+5.2V+5.26V+5.2V+5.26V0V+3.1V+6.66V0V0V +6.66V0V +6.66V0V +6.66VTest voltages are printed in orange.voltages are displayed in boxes. Other voltages shownare fordue to the Auto On/Off function.Operational ModeStand-by Mode87654329ABCDEFGHIIHGFEDCBA1Media 4 Schematic Diagra

5、mTwo-way Stereo Speaker System2.0V 0.2V0V+1.8V+14V+15.2V+10.5VSEALED INSIDE CUP0V+8.9V+5.2V+5.26V+5.2V+5.26VLMGHIJKLMKJIHG123456789NN10Media 4 Schematic DiagramMedia 40.2V0V+1.8V+14V+15.2VVV+5.2V+5.26V+5.2V+5.26V+5.2V+5.2V+5.26V+5.26V+5.2V+5.26V+5.2V+5.26V0V+3.1V+6.66V0V0V +6.66V0V +6.66V0V +6.66VTest voltages are printed in orange.voltages are displayed in boxes. Other voltages shownare fordue to the Auto On/Off function.Operational ModeStand-by Mode