Zenith DVT310 Manual Download Page 43 | Manualshive

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• INTERFACE SCHEMATIC DIAGRAM

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Summary of Contents for DVT310

Page 1: ...G DIAGRAM 2 9 VOLTAGE SHEET IC TR 2 11 PRINTED CIRCUIT DIARGAMS 2 15 SECTION 3 DVD PART ELECTRICAL TROUBLESHOOTING GUIDE 3 1 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 3 9 BLOCK DIAGRAMS 3 22...

Page 2: ...be touched 4 Laser beams may damage the eyes Absolutely never permit laser beams to enter the eyes Also NEVER switch ON the power to the laser output part lens etc of the pick up if it is damaged 5 C...

Page 3: ...lacing a component part first disconnect the power supply lead wire from the unit 2 All equipment measuring instruments and tools must be grounded 3 The workbench should be covered with a conductive s...

Page 4: ...s sufficient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement ESD device from its prote...

Page 5: ...WN TUNING UP STOP STANDBY ON PHONES VOLUME OPEN CLOSE button TUNING DOWN UP SKIP SCAN buttons PLAY STEP button Remote sensor PHONES connector VOLUME controller STANDBY ON DISPLAY Window STANDBY indica...

Page 6: ...1 7 REAR PANEL...

Page 7: ...3 1 SECTION 3 ELECTRICAL TROUBLESHOOTING GUIDE 1 System check flow...

Page 8: ...3 2 2 Power check flow...

Page 9: ...3 3 3 Test debug flow...

Page 10: ...3 4...

Page 11: ...3 5...

Page 12: ...3 6...

Page 13: ...3 7...

Page 14: ...3 8...

Page 15: ...3 9 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1 SYSTEM 27MHz CLOCK RESET FLASH R W SIGNAL 1 MT1379 main clock is at 27MHz X501 2 MT1336 reset is high active...

Page 16: ...3 10 3 RS232 waveform during procedure Downloading 4 Flash R W enable signal during download Downloading...

Page 17: ...3 11 2 SDRAM CLOCK 1 MT1379 main clock is at 27MHz X501 3 TRAY OPEN CLOSE SIGNAL 1 Tray open close waveform...

Page 18: ...3 12 2 Tray close waveform 3 Tray open waveform...

Page 19: ...3 13 4 SLED CONTROL RELATED SIGNAL NO DISC CONDITION 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION...

Page 20: ...3 14 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION 7 DISC TYPE JUDGEMENT WAVEFORM...

Page 21: ...3 15...

Page 22: ...3 16 8 FOCUS ON WAVEFORM...

Page 23: ...3 17 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION...

Page 24: ...3 18 10 TRACKING CONTROL RELATED SIGNAL System checking...

Page 25: ...3 19 11 RF WAVEFORM 12 MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF...

Page 26: ...3 20 13 MT1379 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS 2 Y...

Page 27: ...3 21 3 C 14 AUDIO OUTPUT FORM AUDIO DAC 1 Audio related Signal...

Page 28: ...5 1 SECTION 5 SPEAKER PART MODEL LHS D6235T 850 851 A800 852 853 862 864...

Page 29: ...5 2 SECTION 5 SPEAKER PART MODEL LHS D6235W 853 854 855 856 864 852 851 850...

Page 30: ...2 1 2 2 SECTION 2 AUDIO PART BLOCK DIAGRAM...

Page 31: ...2 3 2 4 SHEMATIC DIAGRAMS MAIN SCHEMATIC DIAGRAM...

Page 32: ...2 5 2 6 FRONT SCHEMATIC DIAGRAM...

Page 33: ...ing Parts that are shaded are critical With respect to risk of fire or electrical shock NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured w...

Page 34: ...2 9 2 10 WIRING DIAGRAM NOTE Warning Parts that are shaded are critical With respect to risk of fire or electrical shock...

Page 35: ...X 67 X X 68 X X 69 X X 70 X X 71 0 0 72 4 9 4 9 73 0 0 74 0 0 75 0 0 76 0 0 77 0 0 78 0 0 79 0 0 80 0 0 81 0 0 82 X X 83 X X 84 X X 85 3 8 3 8 86 0 0 87 X X 88 X X 89 0 0 90 4 86 4 85 91 X X 92 0 0 9...

Page 36: ...5 1 18 7 18 7 2 0 0 3 18 6 18 6 4 0 0 5 9 3 9 3 6 18 6 18 6 7 0 0 8 0 0 9 0 0 10 0 0 11 0 0 IC250 TDA7265 1 18 7 18 7 2 0 0 3 18 6 18 6 4 0 0 5 9 3 9 3 6 18 6 18 6 7 0 0 8 0 0 9 0 0 10 0 0 11 0 0 IC30...

Page 37: ...2 15 2 16 PRINTED CIRCUIT DIAGRAMS MAIN POWER JACK P C BOARD SOLDER SIDE...

Page 38: ...2 17 2 18 MAIN POWER JACK P C BOARD COMPONENT SIDE...

Page 39: ...2 19 2 20 FRONT P C BOARD SOLDER SIDE FRONT P C BOARD COMPONENT SIDE...

Page 40: ...3 23 3 24 DVD PART SCHEMATIC DIAGRAMS MPEG SCHEMATIC DIAGRAM...

Page 41: ...3 26 3 25 SERVO SCHEMATIC DIAGRAM...

Page 42: ...3 27 3 28 AUDIO SCHEMATIC DIAGRAM...

Page 43: ...3 29 3 30 INTERFACE SCHEMATIC DIAGRAM...

Page 44: ...3 31 3 32 VOLTAGE SHEET IC TR...

Page 45: ...3 33 3 34 PRINTED CIRCUIT DIAGRAM DVD P C BOARD SOLDER SIDE...

Page 46: ...3 35 3 36 DVD P C BOARD COMPONENT SIDE...

Page 47: ...1 A48 A47 305 302 303 A41 262 A26 A43 263 250 261 252 454 454 459 458 265 264 SECTION 4 EXPLODED VIEWS CABINET AND MAIN FRAME SECTION NOTE Refer to SECTION 6 REPLACEMENT PARTS LIST in order to look fo...

Page 48: ...4 3 4 4 Deck Mechanism Exploded View...

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