Page 36
Reference Manual
IQ–P.I.P.-MEM
Programmable Input Processor for IQ Systems
Page 1: ...e owners An IQ System Programmable Input Processor for Crown PIP compatible Power Amplifiers Note The information provided in this manual was deemed accurate as of the publication date However updates...
Page 2: ...NTY SERVICE You must notify us of your need for warranty service not later than ninety 90 days after expiration of the warranty period All components must be shipped in a factory pack which if needed...
Page 3: ...s and other finance charges less a reasonable depreciation on the product from the date of original purchase Warranty work can only be performed at our authorized service centers We will remedy the de...
Page 4: ...consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit fro...
Page 5: ...ews 7 Set the amplifier input sensitivity switch to 0 775 V See the Reference or Owner s Manual of the amplifier Install the IQ P I P MEM into the amplifier 8 Carefully ground yourself to the chassis...
Page 6: ...DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE FCC COMPLIANCE NOTICE This equipment has been tested and found to comply with the limits for a Class A digital Device pursuant to Part 15 of the FCC R...
Page 7: ...evel Monitor 13 3 9 IOC Event Monitor 14 3 10 ODEP Level Monitor 14 3 11 Crown Bus Drop Out Relays 14 3 12 DSPI 14 3 13 AUX Output 14 3 14 Memory Backup 15 3 15 Reset 15 3 16 User Default Settings 15...
Page 8: ...M Output to IQ Comp w Screw Term Plug 23 4 11 IQ P I P MEM Output to IQ Component w RJ45 Connector 24 4 12 IQ Component w Screw Term Plug to IQ P I P MEM Input 24 4 13 IQ Component w RJ45 Connector to...
Page 9: ...fully install your unit We strongly rec ommend that you read all the in structions warnings and cautions contained within Also for your pro tection please send in the warranty registration card today...
Page 10: ...d star tooth lock washers The lock washers are required for proper ground connec tion Fig 2 1 The IQ P I P MEM Facilities Bottom View B Balanced Audio Inputs A 3 pin female XLR connector is provided f...
Page 11: ...SPI The DSPI is a Data Signal Presence Indicator which flashes whenever a valid IQ command has been re ceived The indicator can also be forced to stay on to aid rapid troubleshooting of the Crown Bus...
Page 12: ...SIP net works already installed The SIP networks are not required and should be absent on standard IQ P I P MEM modules L IQ Circuit Board Top The top circuit board contains the IQ communication circu...
Page 13: ...mode setting is controlled by the IQ System 3 3 Power Control Each channel s high voltage supply can be independently turned on and off with the Power control The IQ System is used to set this contro...
Page 14: ...ront of the amplifier to flash By monitoring these events the IQ System can flash an indicator on the screen of the host computer to alert a user that distortion is occurring 3 10 ODEP Level Monitor T...
Page 15: ...quired to press the reset switch Press the reset switch for less than 2 seconds and all settings except the amplifier ID code or user scale factors will be reset with user default parameters and the D...
Page 16: ...s The correct card to install in a PIP2 compatible amplifier is the IQ P I P MEM PIP2 The standard IQ P I P MEM should be ordered for non PIP2 compatible amplifiers Fig 4 1 IQ Address Switch SW1 Locat...
Page 17: ...rd Fig ure 4 1 It has eight seg ments because it actually contains eight tiny switches inside There is an arrow printed on the switch along its left side that points to the ON position and the switche...
Page 18: ...otection circuitry of the amplifier will probably be activated if the preamplifier gain is set to 40 dB and a line level signal is con nected to the input If your amplifier appears to cut out when you...
Page 19: ...IP2 input adapter is al ready present do not re move the ribbon cables from the adapter Otherwise you will have to reconnect them in Step 9 7 Set the amplifier input sensitivity to 0 775 V See the amp...
Page 20: ...rs for PIP2 com patible amplifiers are set au tomatically It is necessary to configure software scale factors in the microproces sor of the IQ P I P MEM in order for it to properly inter pret the outp...
Page 21: ...P MEM can be connected to the Crown Bus with inexpensive twisted pair wiring 4 6 A Closer Look at Crown Bus Wiring The IQ P I P MEM must be con nected to a Crown Bus loop having an IQ2 compatible IQ...
Page 22: ...end a repeater for loops longer than 1 000 feet it is often possible to go 2000 feet 610 m or more The most sig nificant characteristic of the wire is its capacitance Lower capacitance allows longer l...
Page 23: ...P MEM should be connected to an IQ component with a screw terminal plug Figure 4 11 shows how the Crown Bus input of the IQ P I P MEM should be connected to a component with a removable barrier block...
Page 24: ...r for IQ Systems Figure 4 12 An IQ Component with Screw Terminal Plug Connected to the IQ P I P MEM Input Figure 4 13 An IQ Component with RJ45 Connector to the IQ P I P MEM Input Figure 4 11 IQ P I P...
Page 25: ...omponents in a Crown Bus loop are wired sequentially The loop begins and ends with the IQ interface The output of one IQ Figure 4 14 Standard Crown Bus Wiring Loops from the Output to the Input of eac...
Page 26: ...efer to the amplifier s Reference or Owner s Manual It contains helpful informa tion on preventing unwanted sub sonic frequencies radio frequency interference ground loops and feedback oscillation 4 7...
Page 27: ...nal and pins 1 and 2 are used to receive a signal 4 8 1 AUX Output When the auxiliary feature is turned on by the IQ System software 15 VDC is supplied across pins 1 ground and 3 A total of 10 milliam...
Page 28: ...i Note A Crown part number is pro vided in the given illustration for a suitable solid state relay C 7308 7 Contact your local Crown repre sentative or the Crown factory Parts Department 219 294 8200...
Page 29: ...The IQ P I P MEM can control the following functions audio level au dio polarity high voltage power supplies DSPI and the AUX port These functions are controlled us ing ports on the microprocessor and...
Page 30: ...X OUT DSPI RESET REMOTE STANDBY SW1 IQ ADDRESS INPUT RECEIVER OUTPUT DRIVER DROP OUT RELAY LOG AMP PEAK DETECTOR PEAK DETECTOR PEAK DETECTOR PEAK DETECTOR CH 1 CH 2 CH 1 CH 2 AUDIO INPUTS AMPLIFIER OU...
Page 31: ...upon the firmware version in your unit the DSPI can be forced on to facilitate rapid troubleshooting of Crown Bus wiring Auxiliary Feature 15 VDC is supplied across pins 1 ground and 3 of the AUX conn...
Page 32: ...l to Noise Ratio 90 dB from 20 Hz to 20 kHz Frequency Response 0 1 dB from 20 Hz to 20 kHz Crosstalk Ratio 75 dB at 1 kHz 65 dB at 20 kHz Common Mode Rejection CMR 70 dB at 60 Hz with 10 dBu input Tot...
Page 33: ...s invisible to the IQ System and acts like a dumb balanced audio input Do not use an address number higher than 250 Addresses above 250 are reserved for special system use Remember No two IQ component...
Page 34: ...Page 34 Reference Manual IQ P I P MEM Programmable Input Processor for IQ Systems Fig 7 2 IQ Address Switch SW1 Settings from 126 to 250...
Page 35: ...pts to Crown to receive reim bursement Your repaired unit will be returned via UPS ground Please contact us if other arrangements are required Factory Service Shipping Instructions 1 When sending a Cr...
Page 36: ...Page 36 Reference Manual IQ P I P MEM Programmable Input Processor for IQ Systems...
Page 37: ...made to correct it _______________________________________________________________________ _______________________________________________________________________ ____________________________________...
