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CDR-3250/80 TECHNICAL ANNEX

Issue 2.1 Change 2

AN-1B

DC POWER SUPPLY OPTION

DESCRIPTION

This annex supplements the CDR-3250/80 technical manual and contains difference data for certain CDR-3250/80 models
containing a DC power supply.

DIFFERENCES

The major differences are as follows:

Item

AC Version

DC Version

Remarks

Power Requirements

90 - 260 VAC 47 - 440 Hz, 50 watts

20 - 32 VDC, 3A maximum

Power Connector
(rear panel)

Connector Type - IEC 320-C-13
(CCI P/N 343-002) mates with
NEMA 5-15P (CCI P/N 696-012,
Power Cord)

Connector Type - MS3452W16S-1P
(CCI P/N 320-008) mates with
MS3456W16S-1S (CCI P/N 320-009)

Refer to
Pin
Description
table below

Line Filter

P/N 260340-1

P/N 2608-2015-1

Power Supply Module

P/N 260259-1

P/N 118-083

DC POWER Connector (J1) Pin Descriptions.

Pin

Signal

Remarks

POWER RETURN (GND)

+VDC IN

+20 to +32 VDC, 3A maximum

+VDC IN

+20 to +32 VDC, 3A maximum

SHIELD GROUND

Except for input power, the receiver functions identically to the AC powered CDR-3250/80 unit. Refer to Foldout 3.1 (FO-3.1),
on page AN-2B for the DC Interconnect drawing option.

Courtesy of http://BlackRadios.terryo.org

Содержание CDR-3250

Страница 1: ...NAL LEVEL RECEIVER DIGITAL SIGNAL PROCESSING SINGLE VLF HF CDR 3250 CDR 3280 Cubic Communications Inc 9535 Waples Street San Diego California 92121 2953 Telephone 858 643 5800 Telefax 858 643 5803 Man...

Страница 2: ...AL SIGNAL PROCESSING SINGLE VLF HF CDR 3250 CDR 3280 Cubic Communications Inc 9535 Waples Street San Diego California 92121 2953 Telephone 858 643 5800 Telefax 858 643 5803 Manual Part No 2600 1021 1...

Страница 3: ...BY 1 2 12 Aug 99 2 March 01 Engineering update Page changes are as follows Title Page Record of Changes ii 3 1 DCR 730428 Update Generated Spurious data in Specification table Pages changed are as fo...

Страница 4: ...of Cubic Communications Inc This information may not be disclosed to a third party either wholly or in part without the written consent of Cubic Communications Inc CORRECTION NOTICE Information contai...

Страница 5: ...NORMAL OPERATION 3 5 3 7 SETTING OR CHANGING RECEIVER PARAMETERS 3 5 3 7 1 Basic Soft Key Menus 3 9 3 7 2 Primary Soft Key Menu 3 10 3 7 2 1 Frequency 3 10 3 7 2 2 Mode 3 10 3 7 2 3 Bandwidth 3 12 3 7...

Страница 6: ...erial Poll Response 3 70 3 9 5 Device Clear And Selected Device Clear Response 3 70 3 10 POWER UP AND TESTING CONSIDERATIONS 3 70 3 11 EEPROM CLEARING 3 71 4 GENERAL THEORY OF OPERATION 4 1 4 1 INTROD...

Страница 7: ...5 3 3 Front Panel Display Interpretation 5 5 5 5 3 4 Signal Tracing 5 5 5 6 SUBASSEMBLY REMOVAL AND REPLACEMENT 5 8 5 6 1 Synthesizer Module 5 8 5 6 2 RF Analog Module 5 8 5 6 3 Power Supply Module 5...

Страница 8: ...p 3 30 3 9 Serial Bus Message Format 3 47 3 10 Serial Bus Character Format 3 47 3 11 IEEE 488 Serial Poll Response Byte 3 71 4 1 Digital Module DSP Firmware Functions 4 7 5 1 Signal Tracing Flow Chart...

Страница 9: ...Pin Description 2 7 2 5 AUDIO Connector J8 Pin Descriptions 2 8 3 1 Front Panel Controls And Display 3 2 3 2 Parameter Entry Controls 3 3 3 3 Serial Bus Interface Command Messages 3 50 3 4 Serial Bus...

Страница 10: ...CDR 3250 80 TECHNICAL MANUAL blank 1 0 Issue 2 2 Figure 1 1A CDR 3250 Front View Figure 1 1B CDR 3280 Front View Courtesy of http BlackRadios terryo org...

Страница 11: ...available on the NORM 600 ohm balanced line rear panel speaker connection or front panel PHONES jack In all modes except ISB the FM detector output is available as a DC coupled video signal on a sing...

Страница 12: ...B USB ISB CW AM FM FSK DISPLAY Full graphics vacuum fluorescent display SCAN SWEEP Channels 250 programmable channels stored in nonvolatile memory Scan Up to 250 channels Sweep f1 to f2 at selected st...

Страница 13: ...y selected Fast 2 ms for 50 dB change sweep scan only Normal 10 ms for 50 dB change product detector modes AGC Decay Time 20 ms to 4 seconds nominal for 50 dB change AGC for AM or FM mode Carrier deri...

Страница 14: ...1300 44 70002 19 1400 45 80002 20 1500 46 90002 21 1600 47 100002 22 1700 48 120002 23 1800 49 140002 24 1900 50 160002 25 2000 1 ISB mode restricted to 2800 Hz BW only 2 Bandwidths from 7 kHz to 16...

Страница 15: ...s than 3 distortion at rated output FM mode only with de emphasis on AM CW LSB USB ISB 0 dBm 3 dB Normal audio is the USB when ISB mode is selected FM 0 5 V kHz AC coupled 4V p p max Audio Line Output...

Страница 16: ...ceivers expandable to 100 receivers Line audio handling up to 10 receivers High performance reference oscillator OCXO 0 1 ppm of tuned frequency Serial Data Bus RS 232 or RS 422 Parallel Data Bus IEEE...

Страница 17: ...10 Digital Data Connector Hood cable end Optl Not furnished 1 XX indicates model number and factory installed options Refer to identification plate on equipment Table 1 3 Recommended Tools and Test Eq...

Страница 18: ...Save carton for possible reshipment 4 Inspect the receiver for external damage including dents and scratches Do not attempt to operate the receiver if major damage is found 2 3 INSTALLATION The receiv...

Страница 19: ...CDR 3250 80 TECHNICAL MANUAL 2 2 Issue 2 2 Figure 2 1A CDR 3250 Rear View Figure 2 1B CDR 3280 Rear View Courtesy of http BlackRadios terryo org...

Страница 20: ...mote control bus operation Table 2 3 lists the pin descriptions Refer to para 3 7 5 2 2 2 to set the IEEE 488 bus address ANTENNA J5 BNC Jack 344 246 BNC Plug Customer Option Coaxial antenna connectio...

Страница 21: ...ignal lines labeled A and B Both lines must be connected to the circuit at the other end A to A and B to B A receiver configured with the serial interface will operate as Data Terminal Equipment DTE T...

Страница 22: ...rs that may be connected to a single controller is dependent on the serial bus type and the line driver characteristics of the controller but in general is at least 10 receivers for RS 232 operation a...

Страница 23: ...7 20 GND 8 Twisted with pin 8 21 GND 9 Twisted with pin 9 22 GND 10 Twisted with pin 10 23 GND 11 Twisted with pin 11 24 LOGIC GND Signal common NOTE Cable requirements for the IEEE 488 bus are deter...

Страница 24: ...ock 0 to 5V 3 GND Ground 4 FRSYNC Frame sync inverted 0 to 5V 5 FRSYNC Frame sync 0 to 5V 6 GND Ground 7 SERDAT Serial data inverted 0 to 5V 8 SERDAT Serial data 0 to 5V 9 GND Ground 10 14 NC Not conn...

Страница 25: ...ORM C O R Normal channel Carrier Operated Relay1 Low squelch open High squelch closed 20 volts 250 mA max load 10 ALT C O R Alternate channel Carrier Operated Relay1 11 VIDEO All modes except FSK or I...

Страница 26: ...the MTR MNU key is pressed The soft key menu is replaced with two or three meters depending on the receive mode In the ISB receive mode the FRQ meter is replaced with a SELECT soft key to allow select...

Страница 27: ...rovides display of receiver parameters and other data to the operator Main Adjustment Knob Provides analog adjustment of parameters using optical digital encoder on shaft of knob Power Volume Knob Com...

Страница 28: ...the key When a soft key is pressed the function above the key is selected for parameter entry Pressing the NEXT key allows a different set of soft keys to appear in the soft key menu MTR MNU Key The...

Страница 29: ...CDR 3250 80 TECHNICAL MANUAL 3 4 Issue 2 2 Figure 3 5 Meter Display Figure 3 3 Normal Display Figure 3 4 Data Entry Display Figure 3 6 Meter ISB Display Courtesy of http BlackRadios terryo org...

Страница 30: ...gure 3 3 Refer to paragraph 3 7 to set or change receiver parameters 3 7 SETTING OR CHANGING RECEIVER PARAMETERS When the receiver is first powered on a power on self test POST tests key circuits in t...

Страница 31: ...CDR 3250 80 TECHNICAL MANUAL 3 6 Issue 2 2 Figure 3 7 Soft Key Menus Overall Flow Diagram Sheet 1 of 3 Courtesy of http BlackRadios terryo org...

Страница 32: ...T BKSP ENTER BKSP ENTER SWEEP DONE STOP CONT SKIP RETURN RETURN RETURN BKSP ENTER RETURN RATE SWEEP DONE NEXT FROM TO OFFSET BKSP ENTER BKSP ENTER DONE STOP CONT SKIP RETURN RETURN RETURN SCAN BKSP EN...

Страница 33: ...KSP CHNL SKIP MDFLTS SFLBLS CANCEL NEXT CONT CANCEL ALL CANCEL CANCEL D E F ENTER CANCEL SERIAL BUS ONLY UTILITY SOFT KEY MENU TYPE RATE BITS ENTER RETURN 125000 38400 19200 9600 NEXT 4800 2400 1200 6...

Страница 34: ...y soft key menu is shown Secondary Soft Key Menu BFO IF SHF SKIP STORE RECALL MTR MNU NEXT C Scan Sweep Soft Key Menu This menu is displayed by pressing the NEXT key while the secondary soft key menu...

Страница 35: ...he digit indicates the tuning resolution of the main adjustment knob NOTE The BKSP backspace key clears the previously entered digit and allows entry of correct digit Press the NEXT key and the follow...

Страница 36: ...to the PHONES jack and shown on the display When in ISB the upper sideband audio is always applied to the NORM audio line and the lower sideband audio is always applied to the ALTN audio line on the...

Страница 37: ...r CW only bandwidths between 100 Hz and 6 0 kHz can be selected In AM or FM modes all bandwidths between 100 Hz and 16 0 kHz may be selected Primary Soft Key Menu FREQ MODE BW SQELCH GAIN MTR MNU NEXT...

Страница 38: ...g the ASSIGN function To assign the bandwidths select the BW NEXT TABLE soft key menu as shown below Rotate the main adjustment knob to select the desired bandwidth in the display BW NEXT TABLE Soft K...

Страница 39: ...gs may be enabled or disabled through keypad configuration Refer to section 3 7 5 2 3 BW NEXT TABLE Soft Key Menu ASSIGN DEFLT ENTER CANCEL MTR MNU NEXT Press the DEFLT key and the following menu appe...

Страница 40: ...the AGC or MGC The following menu appears GAIN Soft Key Menu AGC MGC CANCEL MTR MNU NEXT Press the AGC key to select automatic gain control or press the MGC key to select manual gain control If MGC is...

Страница 41: ...C decay value using the main adjustment knob only Range 0 00 sec to 4 00 sec Press the ENTER key when done GAIN Soft Key Menu 0 02 0 20 3 00 MGC CANCEL MTR MNU NEXT When the GAIN soft key menu is disp...

Страница 42: ...ess the ASSIGN key to select the desired AGC decay time from the table The following menu is displayed GAIN NEXT TABLE ASSIGN Soft Key Menu 0 02 0 20 3 00 RETURN MTR MNU NEXT Press the desired soft ke...

Страница 43: ...assign the AGC setting to the selected receive mode 3 7 3 Secondary Soft Key Menu The following paragraphs detail parameter entry from the secondary soft key menu To display the secondary soft key men...

Страница 44: ...ameters If these parameters are stored in a memory channel that channel will be skipped or not skipped in any subsequent sweep or scan operation When the skip flag is set SKIP will appear in the displ...

Страница 45: ...MTR MNU NEXT Press the RECALL key to recall memory channel parameters The following menu appears RECALL Soft Key Menu AUDTON BKSP ENTER CANCEL MTR MNU NEXT Select a memory channel for display using t...

Страница 46: ...he squelch level set in the channel If the signal goes away before the dwell timer has timed out the receiver will continue to scan If the dwell timer times out before the signal goes away the receive...

Страница 47: ...FROM TO OFFSET SCAN RETURN MTR MNU NEXT Press OFFSET if desired to offset the scan squelch level for all channels during the scan The receiver normally uses the squelch level set into each channel thr...

Страница 48: ...AN DONE MTR MNU NEXT Press the SCAN key to start the scan The receiver will scan channels between the FROM and TO channels selected The following menu appears Scan Sweep SCAN SCAN Soft Key Menu STOP C...

Страница 49: ...In a single band sweep the TO channel is always the next higher numerical channel above the FROM channel Only the frequencies between the FROM channel and the next higher TO channel are swept All para...

Страница 50: ...l 000 When the frequency in channel 001 would be exceeded the sweep continues using the frequency and all other parameters in channel 002 When the frequency in channel 003 would be exceeded the sweep...

Страница 51: ...ENTER RETURN MTR MNU NEXT Select the desired even numbered channel containing the sweep starting frequency and press ENTER The menu will switch back to the Scan Sweep SWEEP menu as shown below Scan S...

Страница 52: ...Select the desired squelch offset setting and press ENTER The menu will switch back to the Scan Sweep SWEEP menu as shown below Scan Sweep SWEEP Soft Key Menu FROM TO OFFSET SWEEP DONE MTR MNU NEXT P...

Страница 53: ...eiver will sample a selected frequency and then step to the next frequency The step function determines the amount of frequency change between steps NOTE The step setting may also be used as the frequ...

Страница 54: ...uelch level the receiver will stay on this channel or frequency until the signal falls below the squelch level See figure 3 8 Scan Sweep Soft Key Menu SCAN SWEEP STEP DWELL BRIDGE MTR MNU NEXT Press t...

Страница 55: ...RIDGE RECEIVER CONTINUES SWEEP OR SCAN DWELL TIME SIGNAL TIME BRIDGE DWELL TIME DWELL TIME DWELL TIME TIME BRIDGE TIME BRIDGE TIME BRIDGE BRIDGE TIME RECEIVER CONTINUES SWEEP OR SCAN SIGNAL DWELL 0 SE...

Страница 56: ...oft Key Menu SCAN SWEEP STEP DWELL BRIDGE MTR MNU NEXT Press the BRIDGE key to select the bridge time between signals for the sweep and scan function The following menu appears BRIDGE Soft Key Menu EN...

Страница 57: ...isplay will show what certain test point indications should be After running the DAC test power cycle the receiver to restart normal operation 3 7 5 2 Configuration This function configures the receiv...

Страница 58: ...Mode Default function is off The memory channel factory default settings are Frequency 10 0 MHz Step size 10 kHz Receive mode AM Dwell time 3 Seconds Bandwidth 6 kHz Bridge time 3 seconds BFO 1000 Hz...

Страница 59: ...DFLTS SFLBLS CANCEL MTR MNU NEXT Press SFLBLS to reset the soft key labels for BW and AGC to initial values The following menu appears Utility CONFIG INIT SFLBLS Soft Key Menu CONT CANCEL MTR MNU NEXT...

Страница 60: ...NEXT Press the HARD key to operate in Manual Gain Control Mode MGC Press the SOFT key to protect the operator from excess audio if an incoming signal exceeds the set gain threshold By selecting the S...

Страница 61: ...Soft Key Menu BKSP ENTER RETURN MTR MNU NEXT Enter the receiver s bus address using the keypad or knob range 000 254 Press ENTER when done NOTE Pressing the RETURN key switches to the Utility CONFIG...

Страница 62: ...ial bus baud rate or press the NEXT key again Utility CONFIG REMOTE RATE NEXT NEXT Soft Key Menu 300 150 110 75 RETURN MTR MNU NEXT Select the desired serial bus baud rate or press the NEXT key to ret...

Страница 63: ...ey to return to the primary soft key menu press the NEXT key and the following menu appears Utility CONFIG REMOTE NEXT Soft Key Menu SHARE IDENT DONE MTR MNU NEXT Press the SHARE key to select party l...

Страница 64: ...REMOTE to change the remote control bus configuration The following menu appears Utility CONFIG REMOTE Soft Key Menu ADDRS DONE MTR MNU NEXT Press ADDRS to select the receiver s bus address The follo...

Страница 65: ...The following menu appears Choose the desired roll off using the main adjustment knob Range 0 1 000 Hz Utility CONFIG ROLOFF Soft Key Menu ENTER CANCEL MTR MNU NEXT Press ENTER to select the displayed...

Страница 66: ...or a normal non invert output spectrum Adjust the frequency range by rotating the adjustment knob NOTE Units with a low pass filter output circuit the frequency range is 8 30 kHz Units with a bandpass...

Страница 67: ...key Identical recurring faults will only appear once on the list Refer to paragraph 5 5 2 3 for details 3 7 5 4 System This function allows selection of system related items including software version...

Страница 68: ...e desired display intensity and press DONE or press the NEXT key to return to the previous menu Utility SYSTEM Soft Key Menu ABOUT INTENS SOUND MENUS CANCEL MTR MNU NEXT Press the SOUND key to select...

Страница 69: ...y the soft key menus or the meters as the default The following menu appears Utility SYSTEM MENUS Soft Key Menu MENUS METERS CANCEL MTR MNU NEXT Press the MENUS key to set the normal display to show t...

Страница 70: ...mory locations or press the ADDRS key and the following menu appears Utility SYSTEM NEXT MEMORY ADDRS Soft Key Menu A B C ENTER CANCEL MTR MNU NEXT Use the numeric keypad and the letter soft keys abov...

Страница 71: ...rs for the serial bus 3 8 1 Serial Bus Description The serial interface includes both unbalanced RS 232 and balanced RS 422 line interfaces The control firmware is designed to detect the interface typ...

Страница 72: ...ands in the same transmission These messages will be noted as such in table 3 5 The final character of the transmission will be a CR carriage return This character will follow the last character of th...

Страница 73: ...of handling contention Three sub modes are available Independent Mode 1 which causes a frequency and channel number report F andCN to be sent Independent Mode 2 which causes a complete status message...

Страница 74: ...ange the Squelch All Radio Status Messages except the reply to the TB command are made up of fixed length strings so that values may be parsed by counting the characters of the Status Message Messages...

Страница 75: ...ition OK NORM No errors NORMAL Mode OK ACKN No errors ACKNOWLEDGE Mode OK IND1 No errors INDEPENDENT Mode 1 OK IND2 No errors INDEPENDENT Mode 2 OK IND3 No errors INDEPENDENT Mode 3 TE EEPR Testing er...

Страница 76: ...attack time proportionately The AGC attack time is not stored in non volatile memory When power is first applied the the unit the AGC attack time is set to the normal value AK9 This command is only a...

Страница 77: ...scan or sweep operations Range 0 through 9 BT Request current Bridge Time C Request report of all parameters that are now different from those reported in the last Radio Status Message for each param...

Страница 78: ...ividually Fields are separated by a single space CS Clear all Skip frequencies stored in the skip table used during sweep operation D Change Dwell Time represents a one character number to select the...

Страница 79: ...ng On serial only SSB Roll off to 400 Hz Saving of parameters on power down disabled Display intensity to 100 Keypad clicks and beeps enabled Soft key menus shown by default Reference mode to Automati...

Страница 80: ...s occurred 2 Fault detected in RF Analog Module 3 Fault detected in Synthesizer output or fine loop 4 Fault detected in Synthesizer step loop 5 Fault detected in Power Supply Module 6 DSP processor no...

Страница 81: ...sent a command not allowed fault will be generated RELEVANT COMMANDS FAQ0 or K Turn off fast acquisition mode FAQ1 Turn on fast acquisition mode RCnnn Recall stored parameters in channel number nnn Le...

Страница 82: ...ent the significant figures of the IF gain reduction from full gain This number is in units of 1 2 dB and is implicitly negative To convert the desired actual manual gain reduction in dB multiply it b...

Страница 83: ...ugh 115 5 dBm L Request current Squelch Level setting M Change receiver operating Mode represents a one character code chosen from the following set L for LSB U for USB I for ISB C for CW A for AM and...

Страница 84: ...the sign of the offset or 1 represents the 10s of dB and 2 represents the units of dB Range 30 through 30 O Request the current threshold Offset P12345678 Change SteP Size 12345678 represent the step...

Страница 85: ...dio output level and an F to request frequency error The value returned will be for the currently selected ISB Access Mode Frequency error may only be requested when receiver operating mode is not ISB...

Страница 86: ...scanning SK Request current Skip Flag status SMbbbbbbbb Set the SRQ mask byte IEEE 488 interface only Controls the generation of the SRQ message for each of the conditions in the Serial Poll response...

Страница 87: ...1 represents 100 dB 2 represents 10 dB and 3 represents unit dB increments Range 116 through 012 ST STore current operating parameters into memory channel represents the three digits of the memory ch...

Страница 88: ...one sweep mode T2 except that the receiver does not stop sweeping when one sweep has been completed The receiver continues to sweep and each new sweep s data replaces the previous sweep data in the o...

Страница 89: ...y are being read by the controller The first block after beginning a sweep will be number zero If more than 65 535 sweeps have been taken since the sweep was begun this number starts again from zero T...

Страница 90: ...ected or reported on by the respective radio command or status request The default ISB access mode is N normal channel This setting applies until the V command is sent for the first time after power u...

Страница 91: ...te control operation serial interface only The is replaced with the character 0 to enable the receiver front panel and disable all remote change parameter commands except this command and the V comman...

Страница 92: ...ust be taken from the following list 0 1 2 3 4 6 8 10 20 30 40 60 80 100 200 300 400 and represent decay times ranging from 0 00 to 4 00 seconds For example to set the AGC decay time to 0 6 seconds th...

Страница 93: ...anagement signals determine which device sends and which devices receive the byte The handshake lines determine how long the byte remains on the bus One 24 pin D type Blue Ribbon interface connector p...

Страница 94: ...shake Lines Name Mnemonic Description Data Valid DAV Sent by source to indicate that data on the bus is valid All active devices on the bus can accept the byte as true information Not Ready for Data N...

Страница 95: ...he K command This command stops any pending sweep or scan condition and places the receiver into the normal state 3 10 POWER UP AND TESTING CONSIDERATIONS Whenever power is applied to the receiver it...

Страница 96: ...stop bit no parity Bus Type RS 232 Bus Sharing enabled For units configured with the IEEE 488 interface only the address parameter is significant Signal Presnt This bit mirrors that status of the sque...

Страница 97: ...rrect filter for the selected re ceive frequency using PIN diode switches The serial control DATA from the Control Section is clocked into the shift register circuit At the proper time the DATA is lat...

Страница 98: ...ontrol The serial control DATA from the digital module is clocked through a buffer into the fine phase locked loop PLL circuits and through a shift register to the step PLL and audio circuits At the p...

Страница 99: ...Control Section receives commands fromthe operator through the keypad or from the optional remote control bus and provides status and data information to the operator through the front panel display a...

Страница 100: ...l processor where filteringand demodulation takes place mathematically DSP functions are all performed by firmware within the DSP microprocessor See figure 4 1 The sampled IF input signal from the A D...

Страница 101: ...B audio in ISB mode when selected by the Control Section ALT AUDIO LSBaudio in ISB mode when selected by the Control Section FM VIDEO FM output to rear panel except in ISB mode DC coupled NBIF Reconst...

Страница 102: ...ermine the amount and direction of knob rotation 4 2 11 Keypad Board The Keypad board contains 19 conductive rubber keys accessible on the front panel that provide key press data to the keypad encoder...

Страница 103: ...CDR 3250 80 TECHNICAL MANUAL Issue 2 2 4 7 4 8 blank Figure 4 1 Digital Module DSP Firmware Functions Courtesy of http BlackRadios terryo org...

Страница 104: ...the rear panel POWER receptacle RFI filter optional AC Line Filter board rear panel circuit breaker and the front panel power switch connections When working on the receiver with covers removed and po...

Страница 105: ...btained in step 12 15 Disconnect test equipment and reconnect antenna 16 Return receiver to normal configuration 5 4 2 Line Audio The following steps provide verification and adjustment procedures for...

Страница 106: ...obtained See figure FO 5A CDR 3250 or FO 5B CDR 3280 8 Replace top cover if removed 9 Return receiver to normal configuration 5 4 3 2 TCXO Check 1 Ensure receiver and local frequency standard if used...

Страница 107: ...entire receiver signal path Different frequencies are used to check each preselector filter The BITEcheck is automatically performed during the POST or may be selected manually at any time from the f...

Страница 108: ...the front panel is on and the power volume knob is on If the front panel display is off and the power volume knob is set to on ensure that input power is correct NOTE Display may not be visible in br...

Страница 109: ...SP CLK signal 3rd LO PLL 3 Replace Digital Module EEPROM Does Not Accept Programming Control Section non volatile memory will not accept channel data skip frequencies etc 1 Recycle power 2 Replace Dig...

Страница 110: ...cing Flow Chart Message Meaning Action To Take GPIB Ready to Talk But Not Addressed IEEE 488 external remote controller did not send address within allotted time 1 Check remote controller 2 Replace Di...

Страница 111: ...connector to assist module removal NOTE When removing subassemblies save attaching hardware for subassembly replacement 5 6 1 Synthesizer Module 1 Remove top cover 2 Using a 7 64 inch Allen wrench lo...

Страница 112: ...removal procedures 5 6 8 Keypad 1 Remove bottom cover 2 Remove cable from Keypad board 3 Using 3 16 inch wrench remove 6 nuts and attaching hardware from board 4 Lift board from unit 5 Remove rubber...

Страница 113: ...remove either rear panel handle remove rear panel 2 Using no 2 Phillips screwdriver remove screws on each side of chassis securing front and or rear panel to each side of chassis 3 Without disconnect...

Страница 114: ...orm the following steps 1 Ensure that there is sufficient foam packing material in the shipping container to protect the unit from any hard impact 2 Cover the unit with foam or bubble type packing mat...

Страница 115: ...the original shipping container or similar container as described in chapter 6 The humidity should be between 40 and 90 non condensing with a temperature range of 40 to 75 C Unit contains parts and a...

Страница 116: ...Includes fan CCI 1 Cable Assy IEEE 488 to rear panel 260279 1 Optional IEEE 488 board rqrd CCI 1 Cable Assy Serial to rear panel 260386 2 Optional Serial board rqrd CCI 4 Handle Support 222 086 CDR 32...

Страница 117: ...CDR 3250 80 TECHNICAL MANUAL FP 1 FP 2 blank Issue 2 2 OL3250 PRA FO 1A CDR 3250 Outline and Mounting Drawing Courtesy of http BlackRadios terryo org...

Страница 118: ...CDR 3250 80 TECHNICAL MANUAL FP 3 FP 4 blank Issue 2 2 OL3280 PRA FO 1B CDR 3280 Outline and Mounting Drawing Courtesy of http BlackRadios terryo org...

Страница 119: ...CDR 3250 80 TECHNICAL MANUAL FP 5 FP 6 blank Issue 2 2 2600 1006A FO 2 CDR 3250 80 Block Diagram Courtesy of http BlackRadios terryo org...

Страница 120: ...CDR 3250 80 TECHNICAL MANUAL FP 7 FP 8 blank Issue 2 2 2600 1005D FO 3 CDR 3250 80 Interconnect Diagram Courtesy of http BlackRadios terryo org...

Страница 121: ...CDR 3250 80 TECHNICAL MANUAL FP 9 FP 10 blank Issue 2 2 2600 2405B 1 FO 4 CDR 3250 80 Motherboard Schematic Sheet 1 of 2 Courtesy of http BlackRadios terryo org...

Страница 122: ...CDR 3250 80 TECHNICAL MANUAL FP 11 FP 12 blank Issue 2 2 2600 2405B 2 FO 4 CDR 3250 80 Motherboard Schematic Sheet 2 of 2 Courtesy of http BlackRadios terryo org...

Страница 123: ...CDR 3250 80 TECHNICAL MANUAL FP 13 FP 14 blank Issue 2 2 RP3250S1 PRA FO 5A CDR 3250 Replaceable Parts Locator Diagram Sheet 1 of 2 Courtesy of http BlackRadios terryo org...

Страница 124: ...CDR 3250 80 TECHNICAL MANUAL FP 15 FP 16 blank Issue 2 2 3250RPS2 PRA FO 5A CDR 3250 Replaceable Parts Locator Diagram Sheet 2 of 2 Courtesy of http BlackRadios terryo org...

Страница 125: ...CDR 3250 80 TECHNICAL MANUAL FP 17 FP 18 blank Issue 2 2 RP3280 PRA FO 5B CDR 3280 Replaceable Parts Locator Diagram Courtesy of http BlackRadios terryo org...

Страница 126: ...LEVEL REMOTE CONTROL ONLY OPTION NOTICE This annex is incomplete without the associated technical manual Cubic Communications Inc 9535 Waples Street San Diego California 92121 2953 Telephone 858 643 5...

Страница 127: ...chnical manual and contains difference data for certain units that can only be operated remotely The units are identified by the substitution of the standard front panel with a special front panel con...

Страница 128: ...For RS 232 set to OFF b For RS 422 set to ON c For IEEE 488 DIP Switch settings have no effect e g DIP Switches can be set to ON or OFF 5 Set DIP Switch 3 on S1 to OFF 6 Set the Baud Rate using DIP Sw...

Страница 129: ...NS OPERATIONAL LEVEL DC POWER SUPPLY OPTION FOR CDR 3250 80 RECEIVER NOTICE This annex is incomplete without the associated technical manual Cubic Communications Inc 9535 Waples Street San Diego Calif...

Страница 130: ...ates with NEMA 5 15P CCI P N 696 012 Power Cord Connector Type MS3452W16S 1P CCI P N 320 008 mates with MS3456W16S 1S CCI P N 320 009 Refer to Pin Description table below Line Filter P N 260340 1 P N...

Страница 131: ...CDR 3250 80 TECHNICAL MANUAL Issue 2 1 Change 2 2600 1005 3 FO 3 1 CDR 3250 80 DC Interconnect Diagram AN 2B Courtesy of http BlackRadios terryo org...

Страница 132: ...CDR 3250 CDR 3280 TECHNICAL MANUAL Courtesy of http BlackRadios terryo org...

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