AudioAccess-PX600-pre-sm维修电路图 手册.pdf

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1、 AUDIOACCESS PX-600 MULTI-ROOM PREAM/CONTROLLER PRELIMINARY SERVICE MANUAL Harman Consumer Group 250 Crossways Park Dr. Woodbury, New York 11797 RadioFans.CN FEATURES Six Zone, Multi-Room, Multi-Source Audio System Flagship of the Audioaccess product line, the PX-600 Multi-Room Preamp/Controller for

2、ms the heart of a powerful multi- room audio system. Together with our time proven wall-mounted keypads and conventional audio source equipment, the PX-600 allows you to access and control five different music sources in six different areas simultaneously. The PX-600 combines a learning IR based sou

3、rce controller with six independent stereo preamps to form a six zone system in one compact package. Multiple PX-600s are easily interconnected to form systems as large as 36 independent zones and the PX-600 can be readily interfaced to both complex home automation and home theater systems. You can

4、turn zones on or off, select sources, control their basic functions, and change volume independently in each zone, by just the touch of a single button on the KPS keypad. And unlike rotary volume controls, our low profile keypad blends seamlessly with any decor. The PX-600 can also be operated from

5、its own optional handheld IR remote control from any zone. Of course, the main zone can always be operated from the PX-600s front panel. Learning to operate the system is simplicity itself. Keypads, remotes, and even the front panel have identical controls and operate in exactly the same way. Custom

6、ized System Operation The PX-600 is configured at the time of installation via a detachable handheld programmer that is available only to authorized dealers, preventing casual tampering with the comprehensive system programming. Programmable features include: turn-on volume, maximum volume, lockout,

7、 bass and treble settings for each zone, group setup, paging setup, and specific IR protocols for tuners, CD players, high-capacity CD changers, tape players and VCRs, as well as special macro commands tailored for control of popular surround processors. Optional modules provide door chime and pagin

8、g capability and an RS-232 interface for integrating the PX-600 with computer-based home automation systems. The PX-600 is complemented both functionally and aesthetically by a Multi-Room Expander and a Multi-Room Amplifier. This combination forms a solution for all of your multi-room needs. Feature

9、s Simple, intuitive operation Easy installation and programming External keypad termination board for easy hookup in advance Each zone has independent access to each of five audio inputs plus a paging input Infrared receiver built into each keypad Main zone rear panel IR input, compatible with stand

10、ard IR repeaters Four-conductor wiring to keypads (two twisted pairs: telephone or data cable) External fuse protects keypad (mis) wiring Main zone operable via front panel in addition to keypad Keypads control basic functions of audio sources via learned infrared commands External plug-in programme

11、r (required for setup) Each zone assignable to one of three ALL ON groups (or none) Zone setup and infrared commands are stored in non-volatile memory Compatible with the Audioaccess six-zone, stereo, multi-room amplifier Compatible with the Audioaccess multi-room expander Expandable to 36 zones Pag

12、ing and doorbell features available with optional Page/Doorbell Module RS-232 Interface Module available Compatible with other popular home automation and control systems Special grounding, filtering and intelligent circuit design for superior protection IR outputs compatible with industry standard

13、systems Trigger outputs designed to drive relays for each zone System trigger output active whenever any zone is on IR loopthru output RadioFans.CN Specifications PX-600 Multi-Room Controller Audio Section Inputs: Five stereo source inputs, 1 mono page input, each with loopthru capability Input impe

14、dance: 10k ohms Maximum input voltage: 3.5 Vrms Outputs: Six stereo preamp outputs with independent volume, bass and treble Six stereo zone outputs (fix level post input selector) Tape output from the main zone (zone 6) Source Equipment Control and Interface Inputs: Trigger input to facilitate shari

15、ng source equipment (controls switched outlet and stop commands) Keypad interface connector DC voltage input for zone trigger outputs Hardwired IR input to control main zone from industry standard IR receivers Outputs: Trigger output from each zone to control external relays One system trigger outpu

16、t to control external relay (active when system is on) Six infrared emitter jacks, one for each audio source (5) plus ALL IR loopthru output Switched AC outlet (North American model only) Controls: Front panel controls zone 6 (controls: power, source selectors, volume, mute, and All Off) Independent

17、 source selection: Tuner, CD, Tape, Aux, Video, etc. Control of basic source functions (i.e. play, skip track, skip disc, skip preset, fast forward, etc.) Independent volume control per zone Independent On/Off per zone Programmable All On features RadioFans.CN Specifications Preamp Outputs Zone Outp

18、uts Frequency Response 10-84kHz, +0, -1 dB 10-95kHz, +0, -1 dB S/N (ref: 1kHz, 1 Vrms, Filter at 22kHz, Volume at unity gain 99 dBV dBV THD+Noise ( 1kHz, Filter at 80kHz, Volume set at unity gain 0.008% (500mV input signal) 0.004% (1Vinput signal) Maximum Output Level 3.5 Vrms 3.5 Vrms Output Impeda

19、nce 470 ohms 470 ohms Left/Right Crosstalk (1kHz, each input) -85 dB -85 dB Input to Input Crosstalk ( 1kHz, any two inputs -100 dB -100 dB Zone to Zone Crosstalk ( 1kHz, any two zones -100 dB -100 dB Maximum Gain 20 dB Unity Volume Control 80 dB in 2 dB steps N/A Bass (Shelving type, 100 Hz) +15, -

20、12 dB (3 dB steps) N/A Treble (Shelving type, 10kHz) +12, -12 dB (3 dB steps) N/A Signal Connector Type RCA with short hot pin (makes shield connection first) Power Requirements: 115 volts AC, 50Hz, 40 watts (not including equipment connected to switched outlet) Dimensions/Weight: 17-3/8 W x 4 H x 1

21、5 D (442mm x 102mm x 381mm) (with connectors & feet) 12.2 lb (5.5 kg) RadioFans.CN RadioFans.CN RadioFans.CN RadioFans.CN RadioFans.CN RadioFans.CN RadioFans.CN PXPX- -600600 Field RepairField Repair RadioFans.CN LOCK UPS or SLOW OPERATIONLOCK UPS or SLOW OPERATION ?Incorrect Wiring ?IR Interference

22、 ?Keypad Termination Switch RadioFans.CN KEYPAD INSTALLATIONKEYPAD INSTALLATION ?Make Tight Connections ?Insure Power, Ground, and Data wires are in Correct Order ?Provide Strain Relief On KPT ?Keep On hand Extra KPT Blocks ?Do Not “Insert” Insulation Into Connector ?Install Keypad with Termination

23、Switch in “UP” Position (off) RadioFans.CN KEYPAD REPAIRSKEYPAD REPAIRS ?Replace RS 485 Driver ?Replace Keypad Processor Board RadioFans.CN RadioFans.CN Replacing Processor BoardReplacing Processor Board RadioFans.CN Audioaccess MCIAudioaccess MCI MCI Multi-room Computer Interface RS-232 to RS-485 T

24、ranslator RadioFans.CN PXPX- -600 Field Repairs600 Field Repairs ?Unit Contains 3 Sections Audio Preamplifiers CPU Power Supply ?Field Repairs May be Performed to Power Supply and CPU RadioFans.CN Audio Signal Audio Signal Path Path CPUCPU PowerPower Supply Supply RadioFans.CN Audio Signal Audio Sig

25、nal Path Path CPUCPUPowerPower SupplySupply RadioFans.CN Control SectionControl Section Keypad FuseKeypad Fuse Power SupplyPower Supply Main Power FuseMain Power Fuse RadioFans.CN Internal FuseInternal Fuse RadioFans.CN POWER SUPPLY FIXESPOWER SUPPLY FIXES ?NO POWER Replace Mains Fuse - 5 X 20 mm 2A

26、 Slow Blow Replace Internal Fuse - F1301 - 5 X 20 mm 500 ma Slow Blow RadioFans.CN Main Power IssuesMain Power Issues ?Check Power Load on Convenience Outlet Do not power amps directly with PX-600 Do not Exceed 200 Watts on PX-600 outlet ?AC Line condition +- 10% rated Voltage ?Use Un-switched Outle

27、ts for ALL Audioaccess Components ?PX-600 Powers UP but Cycles Power on and OFF? RadioFans.CN Unit Hard Power UpUnit Hard Power Up AUDIOACCESS PX-600 VERSION 2.04 -ANY- KEY-TO-EXIT- “ALL OFF ” LED on PX 600 Cycling On and Off RadioFans.CN Replacing RSReplacing RS- -485 Driver485 Driver RS485 RadioFa

28、ns.CN RSRS- -485 Driver485 Driver TVS Bus ProtectorsTVS Bus Protectors RadioFans.CN PXPX- -600 Internal Sections600 Internal Sections Audio Signal Audio Signal Path Path CPUCPUPowerPower SupplySupply Microprocessor RadioFans.CN UNIT CYCLES ON AND OFFUNIT CYCLES ON AND OFF ?REPLACE RS-485 Driver ?Rep

29、lace Microprocessor RadioFans.CN EPROM SRAM Microprocessor RadioFans.CN RSRS- -485 or SRAM Problems485 or SRAM Problems AUDIOACCESS PX-600 VERSION 2.04 -ANY- KEY-TO-EXIT- SOURCE EQUIPMENT NOW LOADING. RadioFans.CN Control Problem DescriptionsControl Problem Descriptions ?Keypads Initialize but appea

30、r “dead” ?Intermittent Control or “Lock UP” ?No IR Output RadioFans.CN Control RepairsControl Repairs ?Disconnect Keypad Bus and Check Unit From Front Panel ?Check Keypad Fuse ?Data Reset ?Replace RS 485 ?Replace SRAM ?Replace EPROM ?Replace Microprocessor RadioFans.CN RadioFans.CN RadioFans.CN Radi

31、oFans.CN PX-600 SCHEMATICS CONTENTS MAIN BOARD REV B0 MAIN BOARD REV B1 MAIN BOARD REV C0 MAIN BOARD REV C1 MAIN BOARD REV D0 MAIN BOARD REV D1 MAIN BOARD REV D2 FRONT PANEL REV C0 PROGRAMMER REV B0 RadioFans.CN RadioFans.CN RadioFans.CN RadioFans.CN RadioFans.CN RadioFans.CN RadioFans.CN RadioFans.

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41、-600FRK Power Up FlowPage 1of 1 RadioFans.CN PX-600 FIELD REPAIR FLOW CHART KPS BUS OPERATIONS PX-600FRK KPS Bus FlowPage 1of 1 RadioFans.CN PX-600 FIELD REPAIR TROUBLE SHOOTING OCTOBER 8, 2003 # XXXXXX PX-600 Field Repair Trouble Shooting.doc Page 4 PX-600 REPAIR PARTS LOCATIONS RS485 Driver U1106

42、SRAM U804 Power Fuse F1301 EPROM U803 Microprocessor U801 Front of PX-600 RadioFans.CN Madrigal Audio Laboratories P.O. Box 781 AUDIOACCESS TECHNICAL SERVICES Middletown, CT 06457-0781 (860) 346-0896 FAX (860) 347-6251 PX-600FRK PX-600 FIELD REPAIR KIT SEPTEMBER 22, 1999 The Audioaccess Field Repair

43、 Kit has been developed for authorized Audioaccess installation companies to improve servicing time and overall customer satisfaction of PX-600 systems. Field repair eliminates system downtime and the cost of multiple trips to job sites to reinstall keypads and controllers. This kit contains socket

44、parts and subassemblies to perform simple repairs to Audioaccess KPS keypads and PX-600 controllers. We recommend that dealers bring this kit on all Audioaccess installation and/or troubleshooting visits. The following parts and quantities are included in each kit. Dealer costs are also included for

45、 reordering individual components: DESCRIPTION Part NO. LOCATION Qty DLR EACH DLR EXT PX-600/KPS PARTS Ribbon Cable for Programmer 705-1000-800 PX-600 PROG 1 $10.50 $10.50 Fuse 2 Slo Blo 664-2101-200 MAINS FUSE 6 $0.93 $5.58 Fuse 1.5 5 X 20 mm 664-1001-500 KEYPAD (NEW) 6 $1.47 $8.82 Fuse 1.6 Slo Blo

46、 380-00160-00 KEYPAD 6 $0.78 $4.68 Fuse 500ma Slo Blo 380-00050-00 F 1301 (INTERNAL) 6 $0.69 $4.14 LTC485 Bus Driver 605-0485-008 U 1106 12 $3.45 $41.40 Keypad Processor Board 450-9862-100 KPS 4 $38.82 $155.28 Volume Control assy 926-0600-002-00 FRONT PANEL 1 $60.50 $60.50 Microprocessor 606-8055-00

47、0 U 801 1 $26.82 $26.82 SRAM 606-1244-000 U 804 2 $31.95 $63.90 V2.04 610-1204-000 U 803 2 $20.00 $40.00 Total Cost if purchased separately. $426.62 Total Kit Price PX600FRK $245.00 Please contact Audioaccess Technical Support at 888-691-4171 or 860-346-0896 from the job site when a specific Audioac

48、cess system malfunction occurs. Audioaccess will assist the installer in system diagnostics and possible on- site repair. Below is a brief description of usage for some of the parts listed above. 1. LTC 485 Bus Driver This eight-pin IC sends and receives communication data on the RS-485 keypad bus. This device is located in each KPS keypad, PX-600, PX-603