Crown Audio IQ P.I.P.-DSP manual

103291-2 9/99 Printed on recycled paper. ©1999 by Crown International, Inc., P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A. Telephone: 219- 294-8000. The IQ–P.I.P.–DSP is produced by Crown International, Inc. Trademark Notice: MPX-6 ™ , SMX- 6 ™ , SmartAmp ™ and Macro Reference ™ are trademarks and Amcron ® , Crown ® , IQ System ?[...]

Page 2 IQ–P .I.P . –DSP Programmable Input Processor with DSP for IQ Systems Reference Manual WORLDWIDE SUMMARY OF WARRANTY The Crown Audio Division of Crown International, Inc., 1718 West Mishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrants to you, the ORIGINAL PURCHASER and ANY SUBSEQUENT OWNER of each NEW Crown 1 product, for a period[...]

Page 3 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual Impor tant Saf ety Instr uctions 1) Read these instructions. 2) Keep these instructions. 3) Heed all warnings. 4) Follow all instructions. 5) Do not use this apparatus near water . 6) Clean only with a damp cloth. 7) Do not block any of the ventilat[...]

Page 4 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual The information furnished in this manual does not include all of the details of design, production, or variations of the equipment. Nor does it cover every possible situation which may arise during installation, operation or maintenance. If you need[...]

Page 5 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual Quick Install Procedure This procedure is provided for those who are already familiar with Crown’s IQ System and who would like to install the IQ–P.I.P.–DSP in the shortest time possible. Less experienced installers or those wishing a full exp[...]

Page 6 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual ILLUSTRA TIONS 1.1 IQ–P .I.P .–DSP ............................................................................................................................................................. 7 3.1 IQ Address Switch (SW1) Location .............[...]

Page 7 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual 1.1 Unpacking The unit is shipped in a protective antistatic bag. CAUTION: STATIC ELECTRICITY MAY DAMAGE THE UNIT. Use caution when handling the unit. Carefully ground yourself BEFORE touching the unit. For added safety, touch the outer metal collar[...]

Page 8 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual Fig. 2.1 The IQ–P .I.P .–DSP Facilities Front View Bottom View P. I . P. - DSP PUSH PUSH DSPI CH-2 CH-1 EXT . POWER INP UT 24 VDC / 400 mA TIP = RING = IN OUT CROWN BUS AUDIO OUT 3 21 GND CH-2 CH-1 AUDIO IN DSP#.### N B B C F H A A M L I SW1 JP4[...]

Page 9 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual D. Reset Switch A multifunction reset switch is provided to restore the IQ–P.I.P.–DSP to a prior state. It can be depressed with a straightened paper clip through the small hole in the P.I.P. panel. Press the reset switch for less than 2 sec- on[...]

Page 10 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual 3 Installation Before beginning, please car efully note: CAUTION: ST A TIC ELECTRICITY MA Y DAMAGE THE IQ – P .I.P . – DSP MODULE. Use caution when handling the unit. Carefully gr ound yourself BEFORE touching the IQ–P .I.P .–DSP module. Fo[...]

Page 11 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual settings for all 250 addresses. 2. Set the jumpers JP4 and JP5. If the IQ–P .I.P .– DSP is being installed into a PIP2 -compatible or Macro-T ech 5000VZ amplifier , move both jumper JP4 and JP5 on the IQ circuit boar d to the “OUT” position[...]

Page 12 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual Fig. 3.6 Amplifier Scale Factor V alues and Output Signal Pad Settings 57 45 40 30 27 44 39 30 30 14 14 30 24 17 30 51 Channel 1 57 45 40 30 27 44 39 24 44 14 39 30 24 17 30 51 Channel 2 Scale Values (Decimal) Com-Tech 200 (8 ohm) Com-Tech 400 (8 o[...]

Page 13 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual 1 Input ( – ) 2 Input (+) 3 GND 4 Not used 5 Not used IQ Component Input 2 5 3 4 1 Optional Shield GND 1 Output (+) 2 Not used 3 Not used 4 IQ – P.I.P. – DSP Output 2 3 41 Figure 3.7 IQ–P .I.P .–DSP Output Connection to Another IQ Compone[...]

Page 14 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual 3 . 7 A Closer Look at Audio Signal Wiring Balanced 3-pin female XLR connectors are pr ovided for audio input connection. The audio cables should be wired in one of the following manners: plifier (if provided). The phone jacks ar e wir ed in paral-[...]

Page 15 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual 4 Operation With an IQ–P.I.P.–DSP module, your Crown amplifier can be monitored and controlled from a remote location through the use of an IQ System . This P.I.P. module features SmartAmp ™ capabilities which will enable the amplifier to fun[...]

Page 16 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual 4.8 Polarity Inverter The polarity of the input signal of each channel can be independently inverted by the IQ System . 4.9 Input Signal Attenuator An attenuator is available at the input of each channel to control the input signal level. These att[...]

Page 17 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual output limiters are controlled by the IQ System and has five parameters: Output Limiter: Turns this function on/off. Threshold: Sets the threshold, in dB, above which the limiter acts. The level is based on the scaled output voltage monitors (see S[...]

Page 18 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual level would indicate a sudden decrease in the load impedance—such as a shorted speaker cable or shorted loudspeaker. There are two parameters which control this feature: ODEP Short Detect: Turns this function on/off. ODEP Short Level: Sets the OD[...]

Page 19 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual filter is commonly used to feed the high frequency portion of an audio signal to horns or tweeters. It can be combined with a low-pass crossover filter to create a band-pass crossover filter for driving mid-range drivers. Passband gain: Fixed at un[...]

Page 20 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual 4.21 Memory Backup A memory backup feature is provided which can be disabled, if desired. The factory default setting is “enabled.” When enabled, it stores all run-time parameters that can be controlled by the IQ software into nonvolatile memor[...]

Page 21 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual 5 T echnical Information The purpose of the IQ–P.I.P. –DSP is to provide extensive signal processing capabilities and to enable an IQ System to control and monitor a P.I.P. -compatible amplifier. See Sections 2 and 3 for a list of the facilitie[...]

Page 22 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual 5.2.3 DSPI Control The DSPI LED flashes whenever a valid IQ command has been received and can be forced to stay on to facilitate diagnosis of Crown Bus wiring problems. 5.3 IQ System Communications The IQ–P.I.P. –DSP communicates with the host [...]

Page 23 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual 6 Specifications General Internal Controls: An 8-segment DIP switch sets the IQ address (decimal range: 1–250). Note: If address “0” is selected, the IQ–P.I.P. –DSP will operate in stand- alone mode. A Reset switch, accessible with a stra[...]

Page 24 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual 7 IQ Address T ables This section contains lookup tables for every valid IQ ad- dress. The valid addresses are 1 to 250. Remember that address “0” (zero) will put the IQ–P.I.P.–DSP into a stand- alone mode where it is invisible to the IQ Sy[...]

Page 25 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual Fig. 7.2 IQ Address Switch (SW1) Settings from 126 to 250 OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON 1 ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF[...]

Page 26 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual 8 Ser vice This unit has very sophisticated circuitry which should only be serviced by a fully trained technician. 8.1 Worldwide Service Service may be obtained from an authorized service center. (Contact your local Crown/Amcron representa- tive or[...]

Page 27 IQ – P .I.P . – DSP Programmable Input Processor with DSP for IQ Systems Reference Manual Detach and send with unit. Crown Factory Ser vice Information Shipping Address: Crown International, Inc., Factory Service, Plant 2 SW, 1718 W. Mishawaka Rd., Elkhart, IN 46517 Phone: 1-800-342-6939 or 1-219-294-8200 Fax: 1-219-294-8124 Owner ’ s[...]