Table Of Contents - LG MBD-K62Q Service Manual

SECTION 1
SUMMARY
SERVICING PRECAUTIONS ......................................1-2
• NOTES REGARDING HANDLING OF THE PICK-UP
• NOTES REGARDING COMPACT DISC PLAYER REPAIRS
ESD PRECAUTIONS ...................................................1-4
SPECIFICATIONS ........................................................1-5
SECTION 2
EXPLODED VIEWS
1. CABINET AND MAIN FRAME SECTION..............2-1
2. DECK MECHANISM SECTION (DP-10A).............2-3
3. SPEAKER SECTION (MBS-K62V) ........................2-5
4. PACKING ACCESSORY SECTION .......................2-6
SECTION 3
ELECTRICAL
ELECTRICAL TROUBLESHOOTING
GUIDE OF AUDIO PART.............................................3-1
1. MICOM PART CHECK I ....................................3-1
2. MICOM PART CHECK II ...................................3-2
3. IC103 KS4CD21CS CHECK.............................3-3
4. FLD DISPLAY CHECK ......................................3-4
5. PWM MODULATION PART ..............................3-5
6. POWER AMP PART CHECK............................3-6
7. PORTABLE FUNCTION ....................................3-7
8. TV-AUDIO FUNCTION ......................................3-8
9. TUNER FUNCTION CHECK ............................3-9
10. SMPS POWER TROUBLESHOOTING.........3-10
11. BLUETOOH PART (OPTIONAL PART)..........3-13
12. IPOD PART (OPTIONAL PART) .....................3-14
ELECTRICAL TROUBLESHOOTING
GUIDE OF DVD PART...............................................3-15
1. POWER CHECK GUIDE.................................3-15
2. TEST & DEBUG FLOW...................................3-16
3. USB PART ........................................................3-21
WAVEFORMS .............................................................3-22
1. WHEN POWER ON, RESET & DATA
ETC WAVEFORM............................................3-22
2. OPEN / CLOSE WAVEFORM AT
POWER ON......................................................3-23
3. STARTING ACTION WAVEFORM
IN MD DEVICE ................................................3-23
4. FOCUS WAVEFORM ......................................3-24
CONTENTS
5. AT POWER ON, SPINDLE SIGNAL AT
MD DECK .........................................................3-25
6. AT FIRST ACTION, FOCUS
SIGNAL A, B, C, D............................................3-25
7. TRACKING SIGNAL ........................................3-26
8. RF WAVEFORM ..............................................3-26
9. DISK TYPE JUGEMENT WAVEFORM..........3-27
INTERNAL BLOCK DIAGRAM OF ICs ...................3-28
1. AK5358..............................................................3-28
2. EM639165 ........................................................3-30
3. ES29LV160E ....................................................3-32
4. HT1000 .............................................................3-34
5. IP9009...............................................................3-37
6. KS24L161 .........................................................3-38
7. MC4580 ............................................................3-39
8. PS9829B...........................................................3-40
9. PT6324..............................................................3-41
10. STR-A6252 .......................................................3-44
11. µPD78F0546R (R)............................................3-45
WIRING DIAGRAM ....................................................3-49
BLOCK DIAGRAMS ..................................................3-51
1. SMPS BLOCK DIAGRAM...............................3-51
2. MAIN & FRONT BLOCK DIAGRAM ..............3-53
SCHEMATIC DIAGRAMS .........................................3-55
1. SMPS SCHEMATIC DIAGRAM......................3-55
2. MAIN, INTERFACE & PWM
SCHEMATIC DIAGRAM..................................3-57
3. MPEG SCHEMATIC DIAGRAM .....................3-59
4. SERVO SCHEMATIC DIAGRAM ...................3-61
5. INTERFACE SCHEMATIC DIAGRAM ...........3-63
6. FRONT SCHEMATIC DIAGRAM ..................3-65
7. FRONT MIC SCHEMATIC DIAGRAM ...........3-67
8. IPOD-1 SCHEMATIC DIAGRAM (OPTION) .....3-69
9. IPOD-2 SCHEMATIC DIAGRAM (OPTION) .....3-71
10. 2 CHANNEL AMP SCHEMATIC DIAGRAM......3-73
11. BLUTHOOTH MODULE
SCHEMATIC DIAGRAM (OPTION)................3-75
CIRCUIT VOLTAGE CHART.....................................3-77
PRINTED CIRCUIT BOARD DIAGRAMS ...............3-79
1. MAIN P.C.BOARD............................................3-79
2. FRONT P.C.BOARD ........................................3-83
3. SMPS P.C.BOARD ..........................................3-85
4. MIC JACK P.C.BOARD ...................................3-87
5. IPOD P.C.BOARD (OPTION)..........................3-87
SECTION 4
REPLACEMENT PARTS LIST
1-1
........4-1