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Wells-Gardner D9300 Series service manual Wells-Gardner Electronics Corporation

Models: D9300 Series

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Wells-Gardner Electronics Corporation

Service Manual for

D9300 Series

Digital-Control Color Monitor

Wells-Gardner Electronics

5500W. 55th Street Suite A

Mc,Cook Illinois 60525-3605

(708) 290-2100

069X3045-100 ECN: E01024 Date: 8-18-00

Printed on 03/20/03

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Wells-Gardner D9300 Series service manual Wells-Gardner Electronics Corporation, Printed on 03/20/03

Contents

Printed on 03/20/03 Wells-Gardner Electronics CorporationService Manual for D9300 Series Digital-Control Color Monitor Wells-Gardner Electronics 5500W. 55th Street Suite A Mc,Cook Illinois3. TECHNCIAL FEATURES…………………………… 4. TIMING CHART……………………………………… 1. SAFETY PRECAUTION……………………………… 2. SPECIFICATION………………………………………5. SET UP………………………………………………… 6. CONTROLS AND ADJUSTMENT………………… 7. ADJUSTMENT SPECIFICATION……………………12Wells-Gardner Electronics Corporation 1. SAFETY PRECAUTIONWells-Gardner Electronics Corporation 2. SPECIFICATION 2-1 Picture Tube. ξ Size ξ Dot Pitch .25mmWells-Gardner Electronics Corporation 3. TECHNICAL FEATURES1.76µs Wells-Gardner Electronics Corporation3.52µs 2.04µsWells-Gardner Electronics Corporation Wells-Gardner Electronics Corporation Wells-Gardner Electronics Corporation 6. CONTROLS AND ADJUSTMENTSWells-Gardner Electronics Corporation 6-3. OSD Controls User’s control A. BRIGHTNESS ADJUSTMENTWells-Gardner Electronics Corporation Wells-Gardner Electronics Corporation 6-3 OSD Controls continued K. COLOR ADJUSTMENTL. RECALL Wells-Gardner Electronics CorporationWells-Gardner Electronics Corporation 7. ADJUSTMENT SPECIFICATION 7-1. Adjustment SequenceWells-Gardner Electronics Corporation 7-3.5 Purity and Convergence Adjustment. If RequiredWells-Gardner Electronics Corporation 7-3.6 White Balance adjustment videoB. Exit and save. Save is automatic Wells-Gardner Electronics CorporationWells-Gardner Electronics Corporation 7-5 B. Color Adjustment8.DESCRIPTION OF CIRCUIT OPERATION 8-1. Mode Control Wells-Gardner Electronics Corporation8-2 Deflection Processor IC301 8-2.1 Horizontal section Wells-Gardner Electronics Corporation8-2.2.4 East-west parabola Wells-Gardner Electronics CorporationWells-Gardner Electronics Corporation Q317, Q318 are off when horizontal frequency is 53KHz α 61KHzWells-Gardner Electronics Corporation 9. TROUBLESHOOTING 9-1. NO POWER9-2. NO VIDEO Wells-Gardner Electronics Corporation9-3. NO RASTER Wells-Gardner Electronics Corporation9-4 TROUBLE IN HORIZONTAL SIZE Wells-Gardner Electronics Corporation9-5. TROUBLE IN CONTRAST Wells-Gardner Electronics Corporation9-6. TROUBLE IN BRIGHTNESS Wells-Gardner Electronics Corporation