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AUDIOACCESS 

 

PX-600 

 

MULTI-ROOM PREAM/CONTROLLER 

 

PRELIMINARY SERVICE MANUAL 

 

 

 

 

 

 

 
 
 

 

 

 

 

Harman Consumer Group 

250 Crossways Park Dr. 

Woodbury, New York   11797 

Содержание PX-600

Страница 1: ...AUDIOACCESS PX 600 MULTI ROOM PREAM CONTROLLER PRELIMINARY SERVICE MANUAL Harman Consumer Group 250 Crossways Park Dr Woodbury New York 11797...

Страница 2: ...tup 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 O...

Страница 3: ...or 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 tri...

Страница 4: ...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 Bas...

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Страница 11: ...PX PX 600 600 Field Repair Field Repair...

Страница 12: ...LOCK UPS or SLOW OPERATION LOCK UPS or SLOW OPERATION Incorrect Wiring IR Interference Keypad Termination Switch...

Страница 13: ...N 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...

Страница 14: ...KEYPAD REPAIRS KEYPAD REPAIRS Replace RS 485 Driver Replace Keypad Processor Board...

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Страница 16: ...Replacing Processor Board Replacing Processor Board...

Страница 17: ...Audioaccess MCI Audioaccess MCI MCI Multi room Computer Interface RS 232 to RS 485 Translator...

Страница 18: ...PX PX 600 Field Repairs 600 Field Repairs Unit Contains 3 Sections Audio Preamplifiers CPU Power Supply Field Repairs May be Performed to Power Supply and CPU...

Страница 19: ...Audio Signal Audio Signal Path Path CPU CPU Power Power Supply Supply...

Страница 20: ...Audio Signal Audio Signal Path Path CPU CPU Power Power Supply Supply...

Страница 21: ...Control Section Control Section Keypad Fuse Keypad Fuse Power Supply Power Supply Main Power Fuse Main Power Fuse...

Страница 22: ...Internal Fuse Internal Fuse...

Страница 23: ...POWER SUPPLY FIXES POWER SUPPLY FIXES NO POWER Replace Mains Fuse 5 X 20 mm 2A Slow Blow Replace Internal Fuse F1301 5 X 20 mm 500 ma Slow Blow...

Страница 24: ...er 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 Outlets for ALL Audioaccess Components...

Страница 25: ...Unit Hard Power Up Unit Hard Power Up AUDIOACCESS PX 600 VERSION 2 04 ANY KEY TO EXIT ALL OFF LED on PX 600 Cycling On and Off...

Страница 26: ...Replacing RS Replacing RS 485 Driver 485 Driver RS485...

Страница 27: ...RS RS 485 Driver 485 Driver TVS Bus Protectors TVS Bus Protectors...

Страница 28: ...PX PX 600 Internal Sections 600 Internal Sections Audio Signal Audio Signal Path Path CPU CPU Power Power Supply Supply Microprocessor...

Страница 29: ...UNIT CYCLES ON AND OFF UNIT CYCLES ON AND OFF REPLACE RS 485 Driver Replace Microprocessor...

Страница 30: ...EPROM SRAM Microprocessor...

Страница 31: ...RS RS 485 or SRAM Problems 485 or SRAM Problems AUDIOACCESS PX 600 VERSION 2 04 ANY KEY TO EXIT SOURCE EQUIPMENT NOW LOADING...

Страница 32: ...Control Problem Descriptions Control Problem Descriptions Keypads Initialize but appear dead Intermittent Control or Lock UP No IR Output...

Страница 33: ...Control Repairs Control Repairs Disconnect Keypad Bus and Check Unit From Front Panel Check Keypad Fuse Data Reset Replace RS 485 Replace SRAM Replace EPROM Replace Microprocessor...

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Страница 37: ...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...

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Страница 243: ...PX 600 Field Repair Guide Version xxxx Rev Level xxx...

Страница 244: ...PX 600 FIELD REPAIR FLOW CHART INITIAL SYSTEM POWER UP PX 600FRK Power Up Flow Page 1 of 1...

Страница 245: ...PX 600 FIELD REPAIR FLOW CHART KPS BUS OPERATIONS PX 600FRK KPS Bus Flow Page 1 of 1...

Страница 246: ...PAIR TROUBLE SHOOTING OCTOBER 8 2003 XXXXXX PX 600 Field Repair Trouble Shooting doc Page 4 PX 600 REPAIR PARTS LOCATIONS RS485 Driver U1106 SRAM U804 Power Fuse F1301 EPROM U803 Microprocessor U801 F...

Страница 247: ...5 00 Please contact Audioaccess Technical Support at 888 691 4171 or 860 346 0896 from the job site when a specific Audioaccess system malfunction occurs Audioaccess will assist the installer in syste...

Страница 248: ...n the front panel of the source gear and is easy to install The source gear must be opto isolated Opto isolation indicates that the source component internally strips the IR carrier from the control s...

Страница 249: ...is held too long the px 600 programmer will lock up To avoid this from happening the button on the remote must be pressed and released quickly and then the volume up button press to fill up the IR sp...

Страница 250: ...nly Brown P17 Black White P18 should be moved and re connected to the NON US terminal block Brown P22 Black White P23 while maintaining the same color code for this connection as it was for the US Onl...

Страница 251: ...ROM Replace the new EPROM in the same location and make sure that notch in the IC is facing the same direction as the old one You can also verify this by the drawing on the PCB Replace the top cover w...

Страница 252: ...over of the PX 600 3 Carefully remove the IC at location U804 This is next to the EPROM Vx xx It can be found on the mid left side of the printed circuit board when looking downward from the front of...

Страница 253: ...ES INFORMATION SHEET DECEMBER 8 1999 Page 2 of 2 PX 600 SRAM Replacement doc Page 2 SRAM LOCATION The SRAM can be found at location U304 Please see diagram below showing location on the PCB Front of P...

Страница 254: ...PX 600 COMPONENT LAYOUT FUSE F1301 MICROPROCESSOR U801 SRAM U804 485 DRIVER U1106 EPROM U803...

Страница 255: ...PX 600 FIELD REPAIR REAR PANEL LAYOUT PX 600FRK Rear Layout Page 1 of 1 AC MAINS FUSE KPS BUS FUSE KPS 485 BUS CONNECTOR...

Страница 256: ...PX 600 FIELD REPAIR INTERNAL COMPONENT LAYOUT PX 600FRK Internal Layout Page 1 of 1 485 DRIVER U1106 MICROPROCESSOR U801 FUSE F1301 SRAM U804 EPROM U803...

Страница 257: ...e DSS code for channel up 7 Enter the number of presets groups up to 6 This sample is based on a total of 30 stations with presets set at 5 station increments The delay command is optional as this wil...

Страница 258: ...our client will need to use the other Guides available to change channels on the DSS during regular DSS viewing The advantage to this method is the ability to program as many stations as are available...

Страница 259: ...RACK by pressing the CD button the second and subsequent times These players probably utilize 32 bit IR codes When learning these 32 bit codes the PX 600 will take 2 3 seconds before indicating Storag...

Страница 260: ...PE 2A 2B etc The PX 600 issues PLAY the first time TAPE is selected in a zone unless it was already selected in another zone STOP is issued shortly after the first zone is turned on in the system afte...

Страница 261: ...the VIDEO input of the PX 600 If you re using some other means of video switching connect one of the splits into that device and then into the PX 600 In this way the audio will track with the labelin...

Страница 262: ...arately 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 Audioaccess system malfunction occurs Audi...

Страница 263: ...50 Microprocessor 606 8055 000 U 801 1 26 82 26 82 SRAM 606 1244 000 U 804 2 31 95 63 90 Software Eprom v2 04 610 1204 000 U 803 2 20 00 40 00 USING THE PARTS We recommend that any parts used from thi...

Страница 264: ...ystem speed Make sure there are no cut or frayed wires and that there are no intermittent shorts in wiring Disable IR on keypad DIP switch 9 UP Keypad turns on but there is Audio in the wrong zone or...

Страница 265: ...tem used in conjunction with a local system IE source sharing Remove the cable connection If the problem is not present then use an IN LINE ground loop isolator or make your own using 2pcs of 75 to 30...

Страница 266: ...complete connection and there are no shorted wires Programmer LCD PX 600 has no font LCD intensity potentiometer needs adjustment Remove the top cover of the programmer and find the only potentiomete...

Страница 267: ...ns Check thermo couple on amplifier heat sink Check fan windings If always open replace LED source indicator changes on keypad but audio does not follow change Check DIP Switch settings Check data bus...

Страница 268: ...rce Change or repair Preamp Ventilate cabinet PX 612 LED indicator light always stays Yellow IE unit does not come out of stand by Check input signal from Preamp Check continuity of cabling feeding am...

Страница 269: ...us connection Check that MCI is receiving power from Data bus Check outboard control systems connection and polarity RS 232 Connect w correct polarity The RED indicator LED should be lit if there is p...

Страница 270: ...E 1 SAMPLE PROGRAMMING TABLE FOR scientific Atlanta DMX MRX PX 600 DISPLAY DMX IR REMOTE BUTTON INPUT IR FOR AUX POWER POWER INPUT IR FOR AUX PLAY NOT USED INPUT IR FOR AUX STOP NOT USED INPUT IR FOR...

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Страница 277: ...REW 4POS PLUGABLE 1 EA PHOENIX 1754481 DIGIKEY 272 1002 NDL 95 11 13 97 730 2321 101 00 SCREW 6 32x1 4 PH PAN TAP BLK 6 EA 100 06 10 1 01 921 0600 000 00 06 KIT CHASSIS PX600 1 EA ECN2986 10 1 2001 5...

Страница 278: ...380 3 5 98 730 2321 101 00 SCREW 6 32x1 4 PH PAN TAP BLK 16 EA 390 11 11 97 780 0600 050 00 HDW PLSTC END CAP RT TAC 90MM 1 EA TAC 1562 08302 410 11 11 97 705 1000 850 A 00 WIR 26 PIN F F 13 RIBBON A...

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