Toshiba P600DL service manual DMD Driver Board Debug

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Appendix-3

DMD DRIVER BOARD DEBUG

1.Check power voltage (1)Check U93 PIN2=3.3V (2)Check U94 PIN3=+5V (3)Check CN51 PIN23,24,47,48=12V (4)Check Q102 PIN2,4=32V (5)Check C591 Negative=-32V

2.Check echo IC work frequency

(1)check X9 PIN3=58MHZ

(2)check U72A PIN2=14MHZ

(3)check U91A PIN2=9.667MHZ

3.Check control signal

(1)Check CN51 PIN93(PWRGOOD)=3.3V (High active)

(2)Check CN51 PIN91(RESETDMD)=3.3V (High active)

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Contents P600DL Safety Precaution Contents Safety Precautions for User For use of the equipment For servicing, maintenance and inspection Safety Precautions for User Precautions for USE and Maintenance Request to UserGeneral Descriptions Features Dimensions Function of I/O Panel BNCON/OFF Function of Power PanelPower Switch and Power Indicator Specifications Acceptable Signal Type Acceptable RGB Input Signal Timing Horizontal Timing Vertical TimingUnit-4Unit-3 Connection AT a Multi Projection SystemDisassembly HOW to Replace the LampDiassembly Power Supply Module Ballast Module Control Module ．LOCATION of KEY Components and Function ModuleExploded View of the Projection Block 96pin connector ．EXPLODED View of the Screen Block and Cabinet ．WIRING Adjustment ．ENGINE Mount Adjustment Adjustment Adjustment Adjustment Colour , Tint Multiple Screen Wall system example Electronic Circuit Explanation Electric Circuit Explanation Stanby Power FAN LampPower on FAN StopAppendix-2 Cont VN2 ID.CLR DMD Driver Board Debug Page Debugging Flow Diagram DMD Driver BoardBad image- Horizontal bands or lines Image shifted to left Parts List Location No Description 94800807 Ballast Module Assy 100W