Alto-AltoPatchB-pb-sm 电路图 维修手册.pdf

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1、Service Manual Model: ALTOPATCH.B MULTI-FUNCTION 48-POINT PATCHBAY Version: 1.1 RadioFans.CN 收音机爱 好者资料库 CONTENTS 1. Specification1 2. Block Diagram1 3. Schematic Diagram1 4. Printed Circuit Board1 5. Wiring Diagram0 6. Test Procedure0 7. Electrical Parts List2 8. Exploded Views & Mechanical Parts Li

2、st2 9. Troubleshooting0 10. Notes0 RadioFans.CN 收音机爱 好者资料库 1.Specifications PHYSICAL Dimension (WxHxD)483x44x85mm (19.02”x1.73”x3.23”) Net weightApprox. 1.9kg (Approx. 4.19lb) Connectors1/4” TRS jack balanced 1 RadioFans.CN 收音机爱 好者资料库 1234 A B C D 4321 D C B A Block Diagram 3c 1a 5e 4d 2b 7g 8h 3c 1

3、a 5e 4d 2b 7g 8h L R 3c 1a 5e 4d 2b 7g 8h 3c 1a 5e 4d 2b 7g 8h 2 1234 A B C D 4321 D C B A 3c 1a 5e 4d 2b 7g 8h PJ1 PHONEJACK7 3c 1a 5e 4d 2b 7g 8h PJ3 PHONEJACK7 L R 3c 1a 5e 4d 2b 7g 8h PJ2 PHONEJACK7 3c 1a 5e 4d 2b 7g 8h PJ4 PHONEJACK7 ALTOPATCHB.SCH Titel Size File: Date: Drawn By: Sheet Revisio

4、nModel No: 27-Jul-2003 C.C.LIN ALTO : ALTOPATCH.B BALANCED PATCHBAY 11of ALTOPATCH.BVER030727A4 3 ALTOPATCHB Top Scilkscreen ALTOPATCHB Bottom Solder Mask ALTOPATCHB Bottom Layer ALTOPATCHB Drill Drawing Tool Hole Size Hole Count Plated - T1 31mil (0.7874mm) 4 T2 79mil (2.0066mm) 28 - Totals 32 4 7.

5、1 7.2 8.1 Mechanical Parts List ALTO ALTOPATCH.B NOItem NoItem Descriptionpcs 1 MA03287 panel aPATCH 1 2 MI01363front boardALTOPATCH1 3 MB02211rear boardALTOPATCH1 4 MB02199rear boardALTOPATCH1 5 MC00411 top coverALTOPATCH1 6 MG00025screwM3*614 7 MG00281screwM3*68 8 HB00997PC boardALTOPATCHB(1*5)_VER03072724 9 NI00501foot cushion12.7*9*3t(SF-004)4 10ME00059socket nutJY-6314-0248 Model No. 8.2