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Contents
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Safety Instructions ________________________________________________3
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Specifications ____________________________________________________4
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Adjustments after Parts Replacement ________________________________5
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Circuit Protections ________________________________________________6
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Thermal switch ____________________________________________6
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Interlock switch ____________________________________________6
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Fuse ____________________________________________________6
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Warning temperature and power failure protection __________________7
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Mechanical Disassemblies __________________________________________8
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Optical Parts Disassemblies
______________________________________14
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LCD Panel/Prism Ass’y Replacement ________________________________19
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Lamp Replacement ______________________________________________20
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Optical Adjustments ______________________________________________21
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Electrical Adjustments ____________________________________________25
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Service Adjustment Menu Operation____________________________25
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Circuit Adjustments
________________________________________26
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Test Points and Locations ____________________________________30
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Service Adjustment Data Table ________________________________31
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Chassis Block Diagrams __________________________________________34
Chassis over view ____________________________________________34
Inputs & video signal processing stage ____________________________35
LCD panel driving stage
______________________________________36
Audio signal processing circuit __________________________________37
Motor driving circuit __________________________________________38
System controls ______________________________________________39
Power supply & protection circuit ________________________________40
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Troubleshooting
________________________________________________42
No Power __________________________________________________42
No Picture __________________________________________________43
No Sound __________________________________________________45
Lens Motor Problems__________________________________________45
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Control Port Functions ____________________________________________46
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System Control & I/O Port Table ______________________________46
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Waveform ______________________________________________________48
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Cleaning ______________________________________________________49
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IC Block Diagrams ______________________________________________50
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Service Parts List ____________________________________________59-87
Electrical Parts List ________________________________________59-82
Mechanical Parts List ______________________________________83-89
Drawings & Diagrams
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Parts description and reading in schematic diagram ____________________ A2
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Schematic diagrams __________________________________________ A3-A9
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Printed wiring board diagrams ________________________________ A11-A15
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Pins description of ICs, transistors, diodes __________________________ A16
Summary of Contents for CP-320t
Page 50: ...50 IC Block Diagrams AD8075 Selector IC201 AD8183ARU Selector IC1201 AN7513 Audio Amp IC5001...
Page 51: ...51 AN5870SB RGB SW IC5201 IC Block Diagrams AD9884AKS A D IC8201...
Page 54: ...54 IC Block Diagrams CXD3526GG LCD Driver Timing Generator IC401 FA5502 P F Control IC611...
Page 55: ...55 LA7217 Sync Separator IC5361 M62392 D A IC3561 IC Block Diagrams...
Page 56: ...56 NJM2284M Switch IC2101 IC Block Diagrams M62393 D A IC281 IC7801...
Page 82: ...MA3 CP 320t00 Electrical Parts List 82 Key No Part No Description Key No Part No Description...
Page 84: ...MA3 CP 320t00 84 47 44 44 47 44 44 Mechanical Parts List 47 57 56 47 47 Optical Parts...
Page 85: ...MA3 CP 320t00 85 44 44 54 67 Red 68 Green 69 Blue 45 45 45 Mechanical Parts List...
Page 87: ...MA3 CP 320t00 87 52 a 52 46 46 46 46 52 Mechanical Parts List...
Page 88: ...MA3 CP 320t00 88 Mechanical Parts List 58 70 63 71 57 60 65 59 64 66 51 55 62...
