Audioaccess-PX612-pwr-sm维修电路原理图.pdf

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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 Approv

2、ed 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 st

3、ereo 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 Gr

4、een. 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 to

5、 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 and

6、 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 Green

7、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 establ

8、ish 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-612PX-612PARTS CROSS-REFERENCEDESCRIPTION023-0110-0BRIDGE RECTIFIER, KBPC25-02030-2271-0CAP, CER AX,

9、271, 10%, 50V001-1042-0CAP, CER, AX, 101, 10%, 50V, NPO030-2103-0CAP, CER, AX, 103, 10%, 50V030-2104-0CAP, CER, AX, 104, 10%, 50V030-2104-0CAP, CER, AX, 151, 10%, 50V030-2180-0CAP, CER, AX, 18 pf, 10%, 50V, NPO030-2222-0CAP, CER, AX, 222, 10%, 50V030-2224-0CAP, CER, AX, 224, 10%, 50V030-2332-0CAP, C

10、ER, AX, 332, 10%, 50V030-2334-0CAP, CER, AX, 334, 10%, 50V038-0106-0CAP, ELEC, AX TR, 106, 20%, 16V038-0107-0CAP, ELEC, AX TR, 107, 20%, 6.3V, 5X11M038-0336-0CAP, ELEC, AX TR, 336, 20%, 25V038-2106-0CAP, ELEC, AX, 106, -10/+50%, 50V038-1107-0CAP, ELEC, AX, 107, -10/+50%, 50V039-7102-0CAP, MET PAPER

11、Y-CAP, 102, 20%, 250V039-7474-0CAP, MET PAPER Y-CAP, 474, 20%, 250V032-3105-0CAP, PE, 105, 5%, 25V (LOW V FILTER)031-1339-0CAP,ELEC, RAD, 339, 20%, 50V (FILTER)020-2105-0620-2002-000DIODE, 1N4002020-1103-0620-2914-000DIODE, 1N914, 75ma, 100V020-1103-0620-5819-000DIODE, SHOTTKY, 1N5819, 1A, 40V020-01

12、20-0620-2599-000DIODE, ZENER, 1N759A, 12V, 5OOmw020-0030-0DIODE, ZENER,1N4372, 3.0V, 500mw020-0050-0620-2597-000DIODE, ZENER,1N751, 5.0V, 500mw780-0600-051END CAP, LEFT780-0600-050END CAP, RIGHT101-0000-0720-2500-010FOOT SNAP IN GOLD091-0016-0664-2210-000FUSE, 5MM, 10A, SB664-2208-000FUSE, 5MM, 8A,

13、SB091-0017-0FUSE, PICO, 7A605-7712-000IC, 5532N BI-POLAR OP-AMP001-1195-0605-0339-000IC, LM339A, QUAD COMPARATOR081-0030-0INDUCTOR, 1 UH W/ 10 OHM 2W RES081-0057-0INDUCTOR, 2 UH, 7A FERRITE092-0007-0JACK, RCAX4, HORIZ, GOLD, RD/WT025-010-0LED, GRN, 3MM025-0009-0LED, RED/GRN025-0023-0621-2009-000LED,

14、 YEL022-2079-0MOV, 130V, 6500A, 1500pf070-0520-0POT, 500 OHM TRIMAA132-003-0760-4600-003PX-612 FRONT PANELAA206-0005-CPX-612 INPUT BOARD (COMPLETE ASSY)AA145-0003-DPX-612 POWER BOARD (BLANK)AA145-0003-DPX-612 POWER BOARD (COMPLETE ASSY)AA132-001-0760-4600-008PX-612 TOP COVER014-0066-0633-7812-002REG

15、ULATOR, LM7812, +12V, 1APage 1PX-612014-1065-0633-7912-002REGULATOR, LM7912, -12V, 1A081-0009-0RELAY, JW2EN, DC12V050-1302-0RES, CARBON FILM, 1.3K OHM, 1/8W, 5%050-1001-0RES, CARBON FILM, 100 OHM, 1/8W, 5%050-1004-0654-0040-100RES, CARBON FILM, 100K OHM, 1/8W, 5%050-1203-0RES, CARBON FILM, 12K OHM,

16、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, 1/8W, 5%050-2204-0RES, CARBON FILM, 220K OHM, 1/8W, 5%050-2203-0RE

17、S, 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%050-4702-0RES, CARBON FILM, 4.7K OHM, 1/8W, 5%053-4701-0RES, CARBON FILM, 470

18、 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 1/8W, 1%060-4992-0RES, METAL FILM, 4.99K 1/8W, 1%050-0000-0651-0000-000RES, M

19、ETAL WIRE, 0 OHM, 1/8W090-0022-0SW, ROCKER, DPST, 10A, 250V090-0033-0SW, SLIDE, DPDT, PC MOUNT (BRIDGE SW)022-0043-0THERMISTOR, PTC, 70 DEG C080-0067-ATRANSFORMER 115/230V, SEMKO012-1001-0211-21302-00720108 TRANSISTOR, 2SA1302, PNP012-1002-0720130 TRANSISTOR, 2SA1837, PNP012-0001-0210-43281-00720107

20、 TRANSISTOR, 2SC3281, NPN012-0002-0720131 TRANSISTOR, 2SC4793, NPN010-0012-0624-0006-000TRANSISTOR, MPSA06 NPN, TO-92010-1013-0624-0056-000TRANSISTOR, MPSA56 PNP, TO-92Page 2PX612 PARTS LISTAASWH/33M SPEAKER WIRE HARNESS700-1000-25648 SPEAKER WIRE HARNESSAA145-004-DPOWER BOARD COMPLETE ASSEMBLY 800-3160-000-00600/612/603 BOX805-3000-007600/612/603 FOAM SETB Stock Replacement Amp/ with trade3502065 AMP 250 VOLT SLO BLO FUSE