AudioAccess-PX612-pwr-sm维修电路原理图.pdf

《AudioAccess-PX612-pwr-sm维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《AudioAccess-PX612-pwr-sm维修电路原理图.pdf（18页珍藏版）》请在收音机爱好者资料库上搜索。

1、 AUDIOACCESS PX-612 MULTI-ROOM AMPLIFIER PRELIMINARY SERVICE MANUAL Harman Consumer Group 250 Crossways Park Dr. Woodbury, New York 11797 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 MADRIGAL AUDIO LABS Procedure No: Revision: Title: PX 612 TEST PROCEDURE MP10.01-F1 Prepared By: Wayne Mergel Appr

2、oved By: Page 1 of 1 Procedure: I. Connect AC Line to PX-612, and then turn on with the power switch on rear panel. Observe LED on the front panel. It should initially be Red, then change to Amber. Watch for about 1 minute to ensure it does not turn Green. Set all six stereo/bridged switches to the

3、stereo position (switched to right). II. Connect speaker harness to PX-612 and the speaker switch box. III. On PX-612 back panel connect Audio Source to Zone 1 Input. IV. As soon as the Audio Source is connected to Zone Inputs on the rear of the unit, the front panel LED should change from Amber to

4、Green. V. Make sure that the speaker switch box is set to the same number as the Audio Source is plugged into. You should be able to hear Audio in both speakers. VI. Move Right Audio Source to other Zone 1 Right RCA and listen for Audio cut off and come back on the right speaker. VII. Switch Zone 1

5、to bridged mode by moving switch Left. Then move Left Audio Source to the second Zone 1 Left RCA. The Audio should cut out completely on both Left and Right speakers. VIII. Switch back to stereo on Zone 1 by switching switch back to the Right (stereo mode) and move the Left RCA connector to Zone 2 a

6、nd listen for the Left speaker to cut out. IX. Switch the speaker switch box to Zone 2 and listen for the Left channel to come on as the Right goes off. X. Move Left RCA to Zone 2 also. XI. Repeat steps VI through X, working through all Six Zones. XII. As each Zone is activated observe that the Gree

7、n LEDS inside unit light as its respective zone “sees” an Input. XIII. After testing all Six Zones disconnect Audio Source and leave unit on for several minutes. The Front panel LED should eventually change to Amber Again. XIV. This completes Testing. Purpose: The purpose of this document is to esta

8、blish a procedure for testing PX-612 units. Application: For use in the PX-612 Department Related Documents: None Equipment Needed: 1-Audio Source, 1 -Speaker Switch Box, 1-48” Speaker Wire Harness PX-612 PX-612 PARTS CROSS-REFERENCE DESCRIPTION 023-0110-0BRIDGE RECTIFIER, KBPC25-02 030-2271-0CAP, C

9、ER AX, 271, 10%, 50V 001-1042-0CAP, CER, AX, 101, 10%, 50V, NPO 030-2103-0CAP, CER, AX, 103, 10%, 50V 030-2104-0CAP, CER, AX, 104, 10%, 50V 030-2104-0CAP, CER, AX, 151, 10%, 50V 030-2180-0CAP, CER, AX, 18 pf, 10%, 50V, NPO 030-2222-0CAP, CER, AX, 222, 10%, 50V 030-2224-0CAP, CER, AX, 224, 10%, 50V 0

10、30-2332-0CAP, CER, AX, 332, 10%, 50V 030-2334-0CAP, CER, AX, 334, 10%, 50V 038-0106-0CAP, ELEC, AX TR, 106, 20%, 16V 038-0107-0CAP, ELEC, AX TR, 107, 20%, 6.3V, 5X11M 038-0336-0CAP, ELEC, AX TR, 336, 20%, 25V 038-2106-0CAP, ELEC, AX, 106, -10/+50%, 50V 038-1107-0CAP, ELEC, AX, 107, -10/+50%, 50V 039

11、-7102-0CAP, MET PAPER Y-CAP, 102, 20%, 250V 039-7474-0CAP, MET PAPER Y-CAP, 474, 20%, 250V 032-3105-0CAP, PE, 105, 5%, 25V (LOW V FILTER) 031-1339-0CAP,ELEC, RAD, 339, 20%, 50V (FILTER) 020-2105-0620-2002-000DIODE, 1N4002 020-1103-0620-2914-000DIODE, 1N914, 75ma, 100V 020-1103-0620-5819-000DIODE, SH

12、OTTKY, 1N5819, 1A, 40V 020-0120-0620-2599-000DIODE, ZENER, 1N759A, 12V, 5OOmw 020-0030-0DIODE, ZENER,1N4372, 3.0V, 500mw 020-0050-0620-2597-000DIODE, ZENER,1N751, 5.0V, 500mw 780-0600-051END CAP, LEFT 780-0600-050END CAP, RIGHT 101-0000-0720-2500-010FOOT SNAP IN GOLD 091-0016-0664-2210-000FUSE, 5MM,

13、 10A, SB 664-2208-000FUSE, 5MM, 8A, SB 091-0017-0FUSE, PICO, 7A 605-7712-000IC, 5532N BI-POLAR OP-AMP 001-1195-0605-0339-000IC, LM339A, QUAD COMPARATOR 081-0030-0INDUCTOR, 1 UH W/ 10 OHM 2W RES 081-0057-0INDUCTOR, 2 UH, 7A FERRITE 092-0007-0JACK, RCAX4, HORIZ, GOLD, RD/WT 025-010-0LED, GRN, 3MM 025-

14、0009-0LED, RED/GRN 025-0023-0621-2009-000LED, YEL 022-2079-0MOV, 130V, 6500A, 1500pf 070-0520-0POT, 500 OHM TRIM AA132-003-0760-4600-003PX-612 FRONT PANEL AA206-0005-CPX-612 INPUT BOARD (COMPLETE ASSY) AA145-0003-DPX-612 POWER BOARD (BLANK) AA145-0003-DPX-612 POWER BOARD (COMPLETE ASSY) AA132-001-07

15、60-4600-008PX-612 TOP COVER 014-0066-0633-7812-002REGULATOR, LM7812, +12V, 1A Page 1 PX-612014-1065-0633-7912-002REGULATOR, LM7912, -12V, 1A 081-0009-0RELAY, JW2EN, DC12V 050-1302-0RES, CARBON FILM, 1.3K OHM, 1/8W, 5% 050-1001-0RES, CARBON FILM, 100 OHM, 1/8W, 5% 050-1004-0654-0040-100RES, CARBON FI

16、LM, 100K OHM, 1/8W, 5% 050-1203-0RES, CARBON FILM, 12K OHM, 1/8W, 5% 050-1501-0RES, CARBON FILM, 150 OHM, 1/8W, 5% 050-1801-0RES, CARBON FILM, 180 OHM, 1/8W, 5% 053-1002-0RES, CARBON FILM, 1K OHM, 1/2W, 5% 050-1002-0654-0020-100RES, CARBON FILM, 1K OHM, 1/8W, 5% 050-1005-0RES, CARBON FILM, 1M OHM, 1

17、/8W, 5% 050-2204-0RES, CARBON FILM, 220K OHM, 1/8W, 5% 050-2203-0RES, CARBON FILM, 22K OHM, 1/8W, 5% 050-3301-0RES, CARBON FILM, 330 OHM, 1/8W, 5% 050-3303-0RES, CARBON FILM, 33K OHM, 1/8W, 5% 053-0470-0RES, CARBON FILM, 4.7 OHM, 1/8W, 5% 054-0470-0650-2348-005RES, CARBON FILM, 4.7 OHM, 1W, 5% 050-4

18、702-0RES, CARBON FILM, 4.7K OHM, 1/8W, 5% 053-4701-0RES, CARBON FILM, 470 OHM, 1/8W, 5% 050-4704-0RES, CARBON FILM, 470K OHM, 1/8W, 5% 050-4703-0RES, CARBON FILM, 47K OHM, 1/8W, 5% 050-6801-0RES, CARBON FILM, 680 OHM, 1/8W, 5% 055-.100-1RES, CERAMIC WW, .10 OHM, 2W, 5% 060-1003-0RES, METAL FILM, 10K

19、 1/8W, 1% 060-4992-0RES, METAL FILM, 4.99K 1/8W, 1% 050-0000-0651-0000-000RES, METAL WIRE, 0 OHM, 1/8W 090-0022-0SW, ROCKER, DPST, 10A, 250V 090-0033-0SW, SLIDE, DPDT, PC MOUNT (BRIDGE SW) 022-0043-0THERMISTOR, PTC, 70 DEG C 080-0067-ATRANSFORMER 115/230V, SEMKO 012-1001-0211-21302-00720108 TRANSIST

20、OR, 2SA1302, PNP 012-1002-0720130 TRANSISTOR, 2SA1837, PNP 012-0001-0210-43281-00720107 TRANSISTOR, 2SC3281, NPN 012-0002-0720131 TRANSISTOR, 2SC4793, NPN 010-0012-0624-0006-000TRANSISTOR, MPSA06 NPN, TO-92 010-1013-0624-0056-000TRANSISTOR, MPSA56 PNP, TO-92 Page 2 PX612 PARTS LIST AASWH/3 3M SPEAKER WIRE HARNESS 700-1000-256 48 SPEAKER WIRE HARNESS AA145-004-D POWER BOARD COMPLETE ASSEMBLY 800-3160-000-00 600/612/603 BOX 805-3000-007 600/612/603 FOAM SET B Stock Replacement Amp/ with trade 3502065 AMP 250 VOLT SLO BLO FUSE