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[CONTENTS]

SECTION 1.GENERAL

• SERVICING PRECAUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

• ESD PRECAUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

• SPECIFICATIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5

SECTION 2. AUDIO PART

• AUDIO TROUBLESHOOTING GUIDE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

• BLOCK DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

• SCHEMATIC DIAGRAMS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

• WIRING DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

• PRINTED CIRCUIT DIARGAMS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19

SECTION 3.DVD PART TROUBLESHOOTING GUIDE

• ELECTRICAL TROUBLESHOOTING GUIDE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

• DVD PART SCHEMATIC DIAGRAMS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7

• PRINTED CIRCUIT DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-11

SECTION 4. EXPLODED VIEWS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1

SECTION 5. SPEAKER PART   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

SECTION 6. REPLACEMENT PARTS LIST  . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

Summary of Contents for lh-t6340d

Page 1: ...TING GUIDE 2 1 BLOCK DIAGRAM 2 5 SCHEMATIC DIAGRAMS 2 7 WIRING DIAGRAM 2 17 PRINTED CIRCUIT DIARGAMS 2 19 SECTION 3 DVD PART TROUBLESHOOTING GUIDE ELECTRICAL TROUBLESHOOTING GUIDE 3 1 DVD PART SCHEMATIC DIAGRAMS 3 7 PRINTED CIRCUIT DIAGRAM 3 11 SECTION 4 EXPLODED VIEWS 4 1 SECTION 5 SPEAKER PART 5 1 SECTION 6 REPLACEMENT PARTS LIST 6 1 ...

Page 2: ...ver 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 Cleaning the lens surface If there is dust on the lens surface the dust should be cleaned away by using an air bush such as used for camera lens The lens is held by a delicate spring When cleaning t...

Page 3: ... replacing 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 sheet and grounded When removing the laser pick up from its conductive bag do not place the pick up on the bag This is because there is the possibility of damage by static electricity 4 To prevent ...

Page 4: ...harges 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 protective package until immediately before you are ready to install it Most replacement ESD devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparabl...

Page 5: ... 1 6 ...

Page 6: ... 2 1 SECTION 2 AUDIO PART AUDIO TROUBLESHOOTING GUIDE 1 POWER SUPPLY CIRCUIT ...

Page 7: ... 2 2 2 FRONT CIRCUIT 1 2 ...

Page 8: ... 2 3 3 FRONT CIRCUIT 2 2 ...

Page 9: ... 2 4 MEMO ...

Page 10: ... 3 1 SECTION 3 DVD PART TROUBLESHOOTING GUIDE 1 Test debug flow Check the Tray control IO pins on ES6698FD ...

Page 11: ... 3 2 ...

Page 12: ... 3 3 ...

Page 13: ... 3 4 ...

Page 14: ... 3 5 ...

Page 15: ... 3 6 ...

Page 16: ... 5 1 SECTION 5 SPEAKER SECTION MODEL LHS T6340T 753 755 752 754 751 750 ...

Page 17: ... 5 2 MODEL LHS T6340W 854 856 855 853 850 852 857 851 ...

Page 18: ... BLOCK DIAGRAM 2 5 2 6 ...

Page 19: ...2 7 2 8 SCHEMATIC DIAGRAMS POWER SCHEMATIC DIAGRAM ...

Page 20: ...2 9 2 10 MICOM SCHEMATIC DIAGRAM ...

Page 21: ...2 11 2 12 FRONT SCHEMATIC DIAGRAM ...

Page 22: ...2 13 2 14 DSP AMP SCHEMATIC DIAGRAM ...

Page 23: ...2 15 2 16 SMPS NARROW WIDE SCHEMATIC DIAGRAM ...

Page 24: ...2 17 2 18 WIRING DIAGRAM ...

Page 25: ...2 19 2 20 PRINTED CIRCUIT BOARD DIAGRAMS MAIN DVD P C BOARD DIAGRAM BOTTOM ...

Page 26: ...2 21 2 22 MAIN DVD P C BOARD DIAGRAM TOP ...

Page 27: ...2 23 2 24 FRONT P C BOARD BOTTOM ...

Page 28: ...2 25 2 26 FRONT P C BOARD TOP ...

Page 29: ...2 27 2 28 SMPS P C BOARD ...

Page 30: ...3 7 3 8 DVD SCHEMATIC DIAGRAMS DVD MPEG DSP SCHEMATIC DIAGRAM ES6698FD ...

Page 31: ...3 9 3 10 DVD RF SCHEMATIC DIAGRAM ...

Page 32: ...4 1 4 2 351 305 313 A47 314 302 303 451 451 A46 451 451 A26 451 A43 286 454 280 275 SECTION 4 EXPLODED VIEWS CABINET AND MAIN FRAME SECTION ...

Page 33: ...4 3 4 4 DECK MECHANISM EXPLODED VIEW ...

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