- 1-1 -
[CONTENTS]
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SECTION 1.GENERAL
• SERVICING PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
• ESD PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
• SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5
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SECTION 2. AUDIO PART
• ELECTRICAL TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
• BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
• SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
• WIRNG DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
• PRINTED CIRCUIT DIARGAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23
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SECTION 3.DVD PART
• DVD PART ELECTRICAL TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
• DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING . . . . . . . . . . . . . . . . .3-8
• BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
• DVD PART SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-25
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SECTION 4. EXPLODED VIEWS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
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SECTION 5. SPEAKER PART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
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SECTION 6. REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1
Summary of Contents for XH-T9546
Page 1: ...DVD CD RECEIVER SERVICE MANUAL 2004 MODEL XH T9546 SERVICE MANUAL MODEL LGDVT418 CD R RW ...
Page 6: ... 1 5 SPECIFICATIONS ...
Page 7: ... 1 6 MEMO ...
Page 10: ... 2 3 3 FRONT CIRCUIT 1 2 ...
Page 11: ... 2 4 4 FRONT CIRCUIT 2 2 ...
Page 12: ... BLOCK DIAGRAM 2 5 2 6 ...
Page 13: ...2 7 2 8 SCHEMATIC DIAGRAMS FRONT SCHEMATIC DIAGRAM ...
Page 14: ...2 9 2 10 MICOM SCHEMATIC DIAGRAM ...
Page 15: ...2 11 2 12 I O SCHEMATIC DIAGRAM ...
Page 16: ...2 13 2 14 DSP SCHEMATIC DIAGRAM ...
Page 17: ...2 15 2 16 AMP SCHEMATIC DIAGRAM ...
Page 18: ...2 17 2 18 SMPS WIDE SCHEMATIC DIAGRAM ...
Page 19: ...2 19 2 20 POWER SCHEMATIC DIAGRAM ...
Page 20: ...2 21 2 22 WIRING DIAGRAMS ...
Page 21: ...2 23 2 24 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD COMPONENT SIDE ...
Page 22: ...2 25 2 26 MAIN P C BOARD SOLDER SIDE ...
Page 23: ...2 27 2 28 FRONT P C BOARD SOLDER SIDE FRONT P C BOARD COMPONENT SIDE ...
Page 24: ...2 29 2 30 POWER P C BOARD ...
Page 25: ...2 31 2 32 MEMO MEMO ...
Page 26: ... 3 1 1 Power check flow ELECTRICAL TROUBLESHOOTING GUIDE SECTION 3 DVD PART ...
Page 39: ... 3 14 FIG 7 2 DVD FIG 7 3 CD ...
Page 40: ... 3 15 FIG 7 4 CD FIG 8 1 DVD 8 FOCUS ON W VEFORM ...
Page 41: ... 3 16 FIG 8 2 CD FIG 9 1 9 SPINDLE CONTROL W VEFORM NO DISC CONDITION ...
Page 42: ... 3 17 10 TRACKING CONTROL RELATED SIGNAL System checking FIG 10 1 DVD FIG 10 2 CD ...
Page 44: ... 3 19 ADAT0 3 FIG 12 2 FIG 13 1 2 COMPOSITE VIDEO SIGNAL 13 MT1389 AUDIO OUTPUT TO PWM IC ...
Page 45: ... 3 20 FIG 14 1 14 AUDIO OUTPUT FROM PWM IC ...
Page 50: ...3 25 3 26 DVD PART SCHEMATIC DIAGRAMS MPEG SCHEMATIC DIAGRAM ...
Page 51: ...3 27 3 28 SERVO SCHEMATIC DIAGRAM ...
Page 55: ... 5 2 MODEL XHS T9546C 755 756 757 755 759 758 751 750 752 754 753 752 ...
Page 57: ... 5 4 MEMO ...