- 1-1 -
SECTION 1. GENERAL
• SERVICING PRECAUTIONS....................................................................................................... 1-2
• ESD PRECAUTIONS ................................................................................................................... 1-4
• SPECIFICATIONS........................................................................................................................ 1-5
• LOCATION OF CUSTOMER CONTROLS................................................................................... 1-6
SECTION 2. AUDIO PART
• BLOCK DIAGRAM........................................................................................................................ 2-1
• SCHEMATIC DIAGRAMS ............................................................................................................ 2-3
• WIRING 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
• DVD PART SCHEMATIC DIAGRAMS ........................................................................................ 3-23
• VOLTAGE SHEET (IC & TR) ...................................................................................................... 3-31
• PRINTED CIRCUIT DIAGRAM ................................................................................................... 3-33
SECTION 4. EXPLODED VIEWS
...................................................................................... 4-1
SECTION 5. SPEAKER PART
.......................................................................................... 5-1
SECTION 6. REPLACEMENT PARTS LIST
..................................................................... 6-1
CONTENTS
Summary of Contents for LH-D6230
Page 5: ... 1 6 LOCATION OF CUSTOMER CONTROLS FRONT PANEL DISPLAY WINDOW ...
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 18: ... 3 12 2 Tray close waveform 3 Tray open waveform ...
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 D6230T 853 852 851 850 861 854 862 A800 ...
Page 29: ... 5 2 SECTION 5 SPEAKER PART MODEL LHS D6230W 852 854 855 853 851 861 ...
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 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 ...
