Adjustment Procedures
5- 46
2715 Spectrum Analyzer Service Manual
Adjust Downconverter Local Oscillator.
Adjust R59 and R63 as follows:
1.
Reconnect the 110 MHz input signal (from the RF Mother board) to the
Video Demod board 110M IN connector.
2.
Move the input cable of the test spectrum analyzer from TP110M (on the
Video Demod board) to TP45M.
3.
Set the test spectrum analyzer as follows:
Center Frequency
45 MHz
Reference Level
--30 dBm
Span/Div
1 MHz
4.
Initialize the 2715 setting by pressing
UTIL 1 1
.
5.
Select the following settings on the 2715:
CENTER FREQUENCY
100 MHz
REFERENCE LEVEL
18.8 dBmV
RESOLUTION BANDWIDTH 1 MHz
SPAN
ZERO
Calibrator Signal
ON
Markers
OFF
6.
Activate the TOGGLE VD DAC LO/HI function by pressing
UTIL 5 2 5
.
NOTE
. When performing steps 7 through 10 you will be adjusting the operating
frequency and tuning range of the Downconverter Local Oscillator. While
making the adjusts, use menu item 5 (TOGGLE VD DAC LO/HI) to toggle the
frequency between the two values (41 and 47 MHz as indicated by the “41 SET”
or “47 SET” at the end of the menu line).
The object of the procedure is to set R63 and R59 so that the frequencies
produced in both states are each within 100 kHz of the nominal value.
7.
Adjust the video demod BIAS (R63) so that the signal peaks, in both states
(41 SET and 47 SET), are visible on the test spectrum analyzer’s screen. If
necessary adjust RANGE (R59) toward the counterclockwise end of its
rotation.
8.
Adjust RANGE (R59) so that the two signal peak locations are 6.0 MHz
apart.
9.
Adjust BIAS (R63) so that the lower frequency signal is located at 41 MHz
±
100 kHz.
10.
Alternately adjust R59 and R63 to eliminate interaction until the lower
frequency peak is at 41 MHz
±
100 kHz and the upper peak is at 47.0 MHz
±
100 kHz.
Содержание 2715
Страница 4: ......
Страница 16: ...Service Safety Summary xii 2715 Spectrum Analyzer Service Manual ...
Страница 152: ...Theory of Operation 3 94 2715 Spectrum Analyzer Service Manual ...
Страница 254: ...Adjustment Procedures 5 66 2715 Spectrum Analyzer Service Manual ...
Страница 292: ...Options 7 4 2715 Spectrum Analyzer Service Manual ...
Страница 436: ...Replaceable Electrical Parts 8 144 2715 Spectrum Analyzer Service Manual ...
Страница 438: ...Diagrams 9 2 2715 Spectrum Analyzer Service Manual ...
Страница 445: ...Replaceable Mechanical Parts 2715 Spectrum Analyzer Service Manual 10 7 1 2 3 4 5 6 7 8 9 10 11 12 Figure 10 1 Cabinet ...
Страница 463: ...Replaceable Mechanical Parts 2715 Spectrum Analyzer Service Manual 10 25 1 2 3 4 5 6 7 8 9 Figure 10 6 Accessories ...
Страница 464: ...Replaceable Mechanical Parts 10 26 2715 Spectrum Analyzer Service Manual ...
Страница 468: ......
Страница 474: ...Service Safety Summary vi 2715 Spectrum Analyzer Service Manual ...
Страница 481: ...9 5 2715 Spectrum Analyzer Service Manual 2715 1 RF ATTENUATOR A18 ...
Страница 483: ...9 7 2715 Spectrum Analyzer Service Manual 1 1ST CONVERTER A16A1 2715 ...
Страница 485: ...2715 Spectrum Analyzer Service Manual 9 9 1 RF INPUT A16A2 2715 ...
Страница 487: ...9 11 2715 Spectrum Analyzer Service Manual 1 YIG BUFFER AMPLIFIER A17 2715 ...
Страница 489: ...9 13 2715 Spectrum Analyzer Service Manual 2715 1 1ST LO INTERFACE A19A1 ...
Страница 490: ...2715 Spectrum Analyzer Service Manual 9 14 ...
Страница 491: ...9 15 2715 Spectrum Analyzer Service Manual 2715 2 1ST LO A19 ...
Страница 493: ...9 17 2715 Spectrum Analyzer Service Manual Figure 1 9 A12A1 Phaselock CFC back ...
Страница 495: ...9 19 2715 Spectrum Analyzer Service Manual PHASELOCK CFC BOARD SIGNAL INTERCONNECT A12A1 2715 0 ...
Страница 496: ...2715 Spectrum Analyzer Service Manual 9 20 ...
Страница 497: ...9 21 2715 Spectrum Analyzer Service Manual 2715 PHASELOCK CFC A12A1 1 ...
Страница 498: ...2715 Spectrum Analyzer Service Manual 9 22 ...
Страница 499: ...9 23 2715 Spectrum Analyzer Service Manual 2715 2 PHASELOCK CFC A12A1 ...
Страница 500: ...2715 Spectrum Analyzer Service Manual 9 24 ...
Страница 501: ...9 25 2715 Spectrum Analyzer Service Manual PHASELOCK CFC A12A1 2715 3 ...
Страница 502: ...2715 Spectrum Analyzer Service Manual 9 26 ...
Страница 504: ...2715 Spectrum Analyzer Service Manual 9 28 ...
Страница 506: ...2715 Spectrum Analyzer Service Manual 9 30 ...
Страница 507: ...9 31 2715 Spectrum Analyzer Service Manual 2715 6 PHASELOCK CFC POWER SUPPLY A12A1 ...
Страница 509: ...9 33 2715 Spectrum Analyzer Service Manual 2715 1 HF VCO A12A2 ...
Страница 511: ...9 35 2715 Spectrum Analyzer Service Manual LF VCO A12A3 1 2715 ...
Страница 514: ...2715 Spectrum Analyzer Service Manual 9 38 ...
Страница 515: ...9 39 2715 Spectrum Analyzer Service Manual SIGNAL INTERCONNECT RF MOTHER BOARD A14 0 2715 ...
Страница 516: ...2715 Spectrum Analyzer Service Manual 9 40 ...
Страница 517: ...9 41 2715 Spectrum Analyzer Service Manual RF MOTHER A14 1 2715 ...
Страница 518: ...2715 Spectrum Analyzer Service Manual 9 42 ...
Страница 519: ...9 43 2715 Spectrum Analyzer Service Manual 2 RF MOTHER A14 2715 ...
Страница 520: ...2715 Spectrum Analyzer Service Manual 9 44 ...
Страница 521: ...9 45 2715 Spectrum Analyzer Service Manual 3 RF MOTHER A14 2715 ...
Страница 522: ...2715 Spectrum Analyzer Service Manual 9 46 ...
Страница 523: ...9 47 2715 Spectrum Analyzer Service Manual 2715 4 RF MOTHER A14 68 1 R213 ...
Страница 526: ...2715 Spectrum Analyzer Service Manual 9 50 ...
Страница 527: ...2715 Spectrum Analyzer Service Manual 9 51 2715 0 SIGNAL INTERCONNECT A28 VIDEO DEMOD BOARD ...
Страница 528: ...9 52 2715 Spectrum Analyzer Service Manual ...
Страница 529: ...2715 Spectrum Analyzer Service Manual 9 53 2715 1 A28 DEMOD 1 VIDEO DEMOD BOARD NOT USED ...
Страница 530: ...9 54 2715 Spectrum Analyzer Service Manual ...
Страница 534: ...2715 Spectrum Analyzer Service Manual 9 58 ...
Страница 535: ...2715 Spectrum Analyzer Service Manual 9 59 SIGNAL INTERCONNECT A11 DIGITAL OPTIONS BOARD 0 2715 ...
Страница 536: ...9 60 2715 Spectrum Analyzer Service Manual ...
Страница 537: ...2715 Spectrum Analyzer Service Manual 9 61 1 MICROPROCESSOR BUS INTERFACE DIGITAL OPTIONS BOARD A11 2715 ...
Страница 538: ...9 62 2715 Spectrum Analyzer Service Manual ...
Страница 539: ...2715 Spectrum Analyzer Service Manual 9 63 2715 2 PHASE LOCKED LOOP EPROM AND NVRAM A11 DIGITAL OPTIONS BOARD ...
Страница 540: ...9 64 2715 Spectrum Analyzer Service Manual ...
Страница 541: ...2715 Spectrum Analyzer Service Manual 9 65 REAL TIME CLOCK AND RS232 INTERFACE DIGITAL OPTIONS BOARD A11 3 2715 ...
Страница 542: ...9 66 2715 Spectrum Analyzer Service Manual ...
Страница 543: ...2715 Spectrum Analyzer Service Manual 9 67 4 VIDEO GATING LOGIC AND GPIB INTERFACE DIGITAL OPTIONS BOARD A11 2715 ...
Страница 544: ...9 68 2715 Spectrum Analyzer Service Manual ...
Страница 545: ...2715 Spectrum Analyzer Service Manual 9 69 2715 IF GATE A11 DIGITAL OPTIONS BOARD 5 ...
Страница 548: ...2715 Spectrum Analyzer Service Manual 9 72 ...
Страница 549: ...9 73 2715 Spectrum Analyzer Service Manual 0 SIGNAL INTERCONNECT VARIABLE RES0LUTION BOARD A13 2715 ...
Страница 550: ...2715 Spectrum Analyzer Service Manual 9 74 ...
Страница 551: ...9 75 2715 Spectrum Analyzer Service Manual 1 VARIABLE RESOLUTION A13 2715 ...
Страница 552: ...2715 Spectrum Analyzer Service Manual 9 76 ...
Страница 553: ...9 77 2715 Spectrum Analyzer Service Manual 2 A13 VARIABLE RESOLUTION 2715 ...
Страница 554: ...2715 Spectrum Analyzer Service Manual 9 78 ...
Страница 555: ...9 79 2715 Spectrum Analyzer Service Manual 3 VARIABLE RESOLUTION A13 2715 ...
Страница 556: ...2715 Spectrum Analyzer Service Manual 9 80 ...
Страница 557: ...9 81 2715 Spectrum Analyzer Service Manual 4 VARIABLE RESOLUTION A13 2715 ...
Страница 560: ...2715 Spectrum Analyzer Service Manual 9 84 ...
Страница 561: ...9 85 2715 Spectrum Analyzer Service Manual 2715 0 SIGNAL INTERCONNECT A23 RF OPTION BOARD ...
Страница 562: ...2715 Spectrum Analyzer Service Manual 9 86 ...
Страница 563: ...9 87 2715 Spectrum Analyzer Service Manual 1 RF OPTION A23 2715 ...
Страница 564: ...2715 Spectrum Analyzer Service Manual 9 88 ...
Страница 565: ...9 89 2715 Spectrum Analyzer Service Manual 2715 2 RF OPTION A23 ...
Страница 566: ...2715 Spectrum Analyzer Service Manual 9 90 ...
Страница 567: ...9 91 2715 Spectrum Analyzer Service Manual 2715 3 RF OPTION A23 ...
Страница 569: ...9 93 2715 Spectrum Analyzer Service Manual Figure 1 24 A7 Log Amp back ...
Страница 571: ...9 95 2715 Spectrum Analyzer Service Manual 2715 LOG AMP BOARD A7 SIGNAL INTERCONNECT 0 ...
Страница 572: ...2715 Spectrum Analyzer Service Manual 9 96 ...
Страница 573: ...9 97 2715 Spectrum Analyzer Service Manual 2715 LOG AMP BOARD A7 NOT USED 1 ...
Страница 574: ...2715 Spectrum Analyzer Service Manual 9 98 ...
Страница 575: ...9 99 2715 Spectrum Analyzer Service Manual 2715 LOG AMP BOARD A7 2 ...
Страница 576: ...2715 Spectrum Analyzer Service Manual 9 100 ...
Страница 577: ...9 101 2715 Spectrum Analyzer Service Manual LOG AMP BOARD A7 2715 3 ...
Страница 578: ...2715 Spectrum Analyzer Service Manual 9 102 ...
Страница 579: ...9 103 2715 Spectrum Analyzer Service Manual 2715 LOG AMP BOARD A7 4 ...
Страница 580: ...2715 Spectrum Analyzer Service Manual 9 104 ...
Страница 581: ...9 105 2715 Spectrum Analyzer Service Manual 2715 LOG AMP BOARD A7 5 ...
Страница 582: ...2715 Spectrum Analyzer Service Manual 9 106 ...
Страница 583: ...9 107 2715 Spectrum Analyzer Service Manual 2715 A7 LOG AMP BOARD 6 ...
Страница 585: ...9 109 2715 Spectrum Analyzer Service Manual 0 A21 SIGNAL INTERCONNECT REFERENCE OSCILLATOR BOARD 2715 ...
Страница 586: ...2715 Spectrum Analyzer Service Manual 9 110 ...
Страница 587: ...9 111 2715 Spectrum Analyzer Service Manual 2715 1 REFERENCE OSCILLATOR A21 ...
Страница 588: ...2715 Spectrum Analyzer Service Manual 9 112 ...
Страница 589: ...9 113 2715 Spectrum Analyzer Service Manual 2715 2 REFERENCE OSCILLATOR A21 ...
Страница 591: ...9 115 2715 Spectrum Analyzer Service Manual Figure 1 28 A10 Microprocessor back ...
Страница 593: ...9 117 2715 Spectrum Analyzer Service Manual 0 SIGNAL INTERCONNECT A10 MICROPROCESSOR BOARD 2715 ...
Страница 594: ...2715 Spectrum Analyzer Service Manual 9 118 ...
Страница 595: ...9 119 2715 Spectrum Analyzer Service Manual CLOCK CPU AND INTERRUPT CONTROLLER MICROPROCESSOR BOARD A10 1 2715 ...
Страница 596: ...2715 Spectrum Analyzer Service Manual 9 120 ...
Страница 597: ...9 121 2715 Spectrum Analyzer Service Manual RAM A10 MICROPROCESSOR BOARD 2 2715 ...
Страница 598: ...2715 Spectrum Analyzer Service Manual 9 122 ...
Страница 599: ...9 123 2715 Spectrum Analyzer Service Manual ROM A10 MICROPROCESSOR BOARD 3 2715 ...
Страница 600: ...2715 Spectrum Analyzer Service Manual 9 124 ...
Страница 601: ...9 125 2715 Spectrum Analyzer Service Manual 2715 CONTROL A10 MICROPROCESSOR BOARD 4 ...
Страница 602: ...2715 Spectrum Analyzer Service Manual 9 126 ...
Страница 603: ...9 127 2715 Spectrum Analyzer Service Manual 5 FREQUENCY COUNTERS MICROPROCESSOR BOARD A10 2715 ...
Страница 604: ...2715 Spectrum Analyzer Service Manual 9 128 ...
Страница 605: ...9 129 2715 Spectrum Analyzer Service Manual FREQUENCY COUNTERS AND I O SUBSYSTEM A10 MICROPROCESSOR BOARD 6 2715 ...
Страница 606: ...2715 Spectrum Analyzer Service Manual 9 130 ...
Страница 607: ...9 131 2715 Spectrum Analyzer Service Manual COUNTER INPUT SELECT MICROPROCESSOR BOARD A10 7 2715 ...
Страница 608: ...2715 Spectrum Analyzer Service Manual 9 132 ...
Страница 609: ...9 133 2715 Spectrum Analyzer Service Manual CONNECTORS AND DECOUPLING A10 MICROPROCESSOR BOARD 8 2715 ...
Страница 613: ...9 137 2715 Spectrum Analyzer Service Manual 1 2715 SIGNAL INTERCONNECT A9 DISPLAY STORAGE BOARD ...
Страница 614: ...2715 Spectrum Analyzer Service Manual 9 138 ...
Страница 615: ...9 139 2715 Spectrum Analyzer Service Manual NOT USED NOT USED NOT USED 2 CONNECTORS A9 2715 DISPLAY STORAGE BOARD ...
Страница 616: ...2715 Spectrum Analyzer Service Manual 9 140 ...
Страница 617: ...9 141 2715 Spectrum Analyzer Service Manual ADDRESS DECODING AND DATA BUFFERING A9 2715 DISPLAY STORAGE BOARD 3 ...
Страница 618: ...2715 Spectrum Analyzer Service Manual 9 142 ...
Страница 619: ...9 143 2715 Spectrum Analyzer Service Manual CONTROL REGISTERS A9 4 2715 DISPLAY STORAGE BOARD ...
Страница 620: ...2715 Spectrum Analyzer Service Manual 9 144 ...
Страница 621: ...9 145 2715 Spectrum Analyzer Service Manual 2715 5 A9 HORIZONTAL TRACKING A D CONTROL DISPLAY STORAGE BOARD ...
Страница 622: ...2715 Spectrum Analyzer Service Manual 9 146 ...
Страница 623: ...9 147 2715 Spectrum Analyzer Service Manual 2715 6 A9 VERTICAL DATA PROCESSING AND NVRAM DISPLAY STORAGE BOARD ...
Страница 624: ...2715 Spectrum Analyzer Service Manual 9 148 ...
Страница 625: ...9 149 2715 Spectrum Analyzer Service Manual 2715 READOUTS AND WAVEFORM DRAWINGS A9 DISPLAY STORAGE BOARD 7 ...
Страница 626: ...2715 Spectrum Analyzer Service Manual 9 150 ...
Страница 628: ...2715 Spectrum Analyzer Service Manual 9 152 ...
Страница 630: ...2715 Spectrum Analyzer Service Manual 9 154 ...
Страница 631: ...9 155 2715 Spectrum Analyzer Service Manual 10 HORIZONTAL OUTPUT DISPLAY STORAGE BOARD A9 2715 ...
Страница 632: ...2715 Spectrum Analyzer Service Manual 9 156 ...
Страница 633: ...9 157 2715 Spectrum Analyzer Service Manual 11 A9 VERTICAL OUTPUT DISPLAY STORAGE BOARD 2715 ...
Страница 634: ...2715 Spectrum Analyzer Service Manual 9 158 ...
Страница 635: ...9 159 2715 Spectrum Analyzer Service Manual 12 A9 MISCELLANEOUS DISPLAY STORAGE BOARD 2715 ...
Страница 637: ...9 161 2715 Spectrum Analyzer Service Manual 2715 SIGNAL INTERCONNECT A6 FRONT PANEL BOARD 0 ...
Страница 638: ...9 162 2715 Spectrum Analyzer Service Manual ...
Страница 639: ...9 163 2715 Spectrum Analyzer Service Manual SWITCH MATRIX A6 FRONT PANEL BOARD 2715 1 ...
Страница 640: ...9 164 2715 Spectrum Analyzer Service Manual ...
Страница 641: ...9 165 2715 Spectrum Analyzer Service Manual OUTPUT SHIFT REGISTERS AND POTS A6 FRONT PANEL BOARD 2715 2 ...
Страница 642: ...9 166 2715 Spectrum Analyzer Service Manual ...
Страница 643: ...9 167 2715 Spectrum Analyzer Service Manual GRAY CODE AND SERVICE REQUEST ACKNOWLEDGE A6 FRONT PANEL BOARD 2715 3 ...
Страница 644: ...9 168 2715 Spectrum Analyzer Service Manual ...
Страница 645: ...9 169 2715 Spectrum Analyzer Service Manual INPUT SHIFT REGISTERS AND LEDS A6 FRONT PANEL BOARD 2715 4 ...
Страница 648: ...2715 Spectrum Analyzer Service Manual 9 172 ...
Страница 649: ...2715 Spectrum Analyzer Service Manual 9 173 A5 2715 SIGNAL INTERCONNECT SWEEP BOARD 0 ...
Страница 650: ...9 174 2715 Spectrum Analyzer Service Manual ...
Страница 651: ...2715 Spectrum Analyzer Service Manual 9 175 VIDEO BUFFERING A5 2715 SWEEP BOARD 1 ...
Страница 652: ...9 176 2715 Spectrum Analyzer Service Manual ...
Страница 653: ...2715 Spectrum Analyzer Service Manual 9 177 2715 VIDEO TRIGGER A5 SWEEP BOARD 2 ...
Страница 654: ...9 178 2715 Spectrum Analyzer Service Manual ...
Страница 655: ...2715 Spectrum Analyzer Service Manual 9 179 2715 A5 SERIAL CONTROL REGISTER SWEEP BOARD 3 ...
Страница 656: ...9 180 2715 Spectrum Analyzer Service Manual ...
Страница 657: ...2715 Spectrum Analyzer Service Manual 9 181 2715 SWEEP RAMP GENERATOR SWEEP BOARD A5 4 ...
Страница 664: ...9 188 2715 Spectrum Analyzer Service Manual ...
Страница 665: ...2715 Spectrum Analyzer Service Manual 9 189 0 SIGNAL INTERCONNECT POWER SUPPLY BOARD A15A1 ...
Страница 666: ...9 190 2715 Spectrum Analyzer Service Manual ...
Страница 667: ...2715 Spectrum Analyzer Service Manual 9 191 2715 ...
Страница 668: ...9 192 2715 Spectrum Analyzer Service Manual ...
Страница 669: ...2715 Spectrum Analyzer Service Manual 9 193 2715 ...
Страница 670: ...9 194 2715 Spectrum Analyzer Service Manual ...
Страница 671: ...2715 Spectrum Analyzer Service Manual 9 195 2715 ...
Страница 672: ...9 196 2715 Spectrum Analyzer Service Manual ...
Страница 673: ...2715 Spectrum Analyzer Service Manual 9 197 2715 ...
Страница 674: ...9 198 2715 Spectrum Analyzer Service Manual ...
Страница 675: ...2715 Spectrum Analyzer Service Manual 9 199 2715 ...
Страница 676: ...9 200 2715 Spectrum Analyzer Service Manual ...
Страница 677: ...2715 Spectrum Analyzer Service Manual 9 201 2715 ...
Страница 678: ...9 202 2715 Spectrum Analyzer Service Manual ...
Страница 679: ...2715 Spectrum Analyzer Service Manual 9 203 2715 ...
Страница 680: ...9 204 2715 Spectrum Analyzer Service Manual ...
Страница 681: ...2715 Spectrum Analyzer Service Manual 9 205 2715 ...
Страница 682: ...9 206 2715 Spectrum Analyzer Service Manual ...