Zenith DVT310 Скачать руководство пользователя страница 39 | Manualshive

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2-19

2-20

• FRONT P.C. BOARD (SOLDER SIDE)

• FRONT P.C. BOARD (COMPONENT SIDE)

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Содержание DVT310

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 6: ...1 7 REAR PANEL...

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

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

Страница 9: ...3 3 3 Test debug flow...

Страница 10: ...3 4...

Страница 11: ...3 5...

Страница 12: ...3 6...

Страница 13: ...3 7...

Страница 14: ...3 8...

Страница 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...

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

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

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

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

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

Страница 21: ...3 15...

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

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

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

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

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

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

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

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

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

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

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

Страница 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...

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

Страница 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...

Страница 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...

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

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

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

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

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

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

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

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

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

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

Страница 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...

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

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