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Operation and Service Guide Agilent Technologies 8648A/B/C/D ...

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Contents<br />

5c. <strong>Service</strong> Error Messages<br />

6. Replaceable Paris<br />

.Assembly Replacements 6-1<br />

<strong>8648A</strong> Replaceable Parts 6-3<br />

8648B/C/D Replaceable Parts 6-9<br />

7. Adjustments<br />

Test Equipment 7-2<br />

Equipment Setup for Automated Tests 7-2<br />

Test Point Extender 7-2<br />

Manual Adjustments 7-4<br />

Internal Reference Oscillator Adjustment 7-5<br />

Pager Encoder Timebase Frequency Adjustment 7-7<br />

Automated Adjustments 7-9<br />

AM Level <strong>and</strong> Distortion (<strong>8648A</strong> Only) 7-10<br />

AM Level (8648B/C/D Only) 7-12<br />

Detector Offset (<strong>8648A</strong> Only) 7-14<br />

Output Level (<strong>8648A</strong> Only) 7-15<br />

AM Level: FE (8648B/C/D Only) 7-16<br />

Predistortion <strong>and</strong> Detector Offset (8648B/C/D Only)<br />

.7-18<br />

Prelevel (8648B/C/D Only) 7-19<br />

Output level: Frequency Extension Calibration (8648B/C/D Only) 7-20<br />

AM Modulator (<strong>8648A</strong> Only) . .. .. .. . . .. . . .. .. .. .. . . . .. . . .. . . . .. . . . . . . . . . . .7-21<br />

Time Base DAC (All <strong>8648A</strong>IB/C/D) 7-23<br />

Motherboard Audio Path (All <strong>8648A</strong>JBIC/D) 7·24<br />

DCFM (All <strong>8648A</strong>/B/C/D) 7-26<br />

Audio Generator (Options 1E2 <strong>and</strong> 1EP Only)............................. .7-27<br />

HF Power Level Accuracy (All <strong>8648A</strong>IB/C/D) . . . . . . . . . . . . . . . . . . . . . . . . .<br />

.7-28<br />

LF Output Level (Most 8648B/C/D). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-31<br />

LF Power Level Accuracy (Most 8648B/C/D). .. . . . . .. . . . . . . . .. . . . . . . . . . .. . . . .. .7-32<br />

FSK Deviation (Option 1EP Only). 7-34<br />

Filter Path (Option 1EP Only) 7-35<br />

<strong>Agilent</strong> <strong>Service</strong> Support Software 7-36<br />

Required Test Equipment. . . . . . . . . . . . . . . . . .7-36<br />

Installing the Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-37<br />

Uninstallingthe Software............<br />

.7-41<br />

<strong>Service</strong> Support Software Administration. . . . . . . . . . . . . . 7-42<br />

Running the <strong>Service</strong> Support Software... . 7-53<br />

Motherboard Repair Utility 7-58<br />

8. Performance Tests<br />

Calibration Cycle . . . . . . . . . . . . . . . . . . . . . . . . ..8-2<br />

Required Test Equipment. . . . . . . . . . . . . . .8-3<br />

Performance Test Descriptions . . . . . . . . . . . . . . . . . .8-6<br />

Manual Performance Tests. . . . . . . . . . . . . . . . . . . . . . . . . .8-6<br />

Automated Performance Tests . .8-6<br />

FM Accuracy Performance Test . .8-7<br />

xiii

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