Table Of Contents - LG XC62-A0U Service Manual

SECTION 1
GENERAL
SERVICING PRECAUTIONS ......................................1-2
• NOTES REGARDING HANDLING OF THE PICK-UP
• NOTES REGARDING COMPACT DISC PLAYER REPAIRS
ESD PRECAUTIONS ...................................................1-4
LOCATION OF USERS CONTROLS.........................1-5
SPECIFICATIONS ........................................................1-7
SECTION 2
EXPLODED VIEWS
CABINET EXPLODED VIEW......................................2-1
TAPE DECK MECHANISM (SINGLE DECK)
EXPLODED VIEW ........................................................2-3
CD MECHANISM EXPLODED VIEW.........................2-5
SPEAKER EXPLODED VIEW ....................................2-7
MODEL : XCS62F ....................................................2-7
PACKING ACCESSORY VIEW...................................2-9
SECTION 3
AUDIO PART ELECTRICAL
AUDIO ELECTRICAL
TROUBLESHOOTING GUIDE....................................3-1
1. POWER (SMPS) ................................................3-1
2. MICOM PART CHECK I ....................................3-4
3. MICOM PART CHECK II ...................................3-5
4. IC103(KS4CD21CS) CHECK............................3-6
5. FLD DISPLAY CHECK ......................................3-7
6. PWM MODULATION PART CHECK................3-8
7. POWER AMP PART CHECK............................3-9
8. AUX FUNCTION CHECK................................3-10
9. TUNER FUNCTION CHECK...........................3-11
10. TAPE FUNCTION CHECK..............................3-12
11. TAPE PLAY PART CHECK..............................3-13
12. TAPE REC PART CHECK...............................3-14
13. PORTABLE IN FUNCTION CHECK...............3-15
INTERNAL BLOCK DIAGRAM OF ICs ...................3-15
1. AK5358..............................................................3-16
2. BU4052 .............................................................3-16
3. HA12237F.........................................................3-17
4. LC78692NW .....................................................3-18
5. PS9829B...........................................................3-18
6. PT6324..............................................................3-19
7. STR-W6253......................................................3-19
8. TAS5142 ...........................................................3-20
9. U1739EJ2V1UD00/KF2_E ..............................3-21
10. UTC MC4580....................................................3-22
CONTENTS
WIRING DIAGRAM ....................................................3-24
BLOCK DIAGRAM.....................................................3-26
1. SMPS BLOCK DIAGRAM...............................3-26
2. MAIN & FRONT BLOCK DIAGRAM ..............3-28
SCHEMATIC DIAGRAMS .........................................3-30
1. SMPS SCHEMATIC DIAGRAM.......................3-30
2. MAIN SCHEMATIC DIAGRAM ........................3-32
3. AMP SCHEMATIC DIAGRAM..........................3-34
4. DECK SCHEMATIC DIAGRAM .......................3-36
5. FRONT SCHEMATIC DIAGRAM.....................3-38
PRINTED CIRCUIT BOARD DIAGRAMS ...............3-40
1. MAIN P.C.BOARD............................................3-40
2. SMPS P.C.BOARD ..........................................3-44
3. FRONT P.C.BOARD ........................................3-46
SECTION 4
CD PART ELECTRICAL
CD ELECTRICAL TROUBLESHOOTING GUIDE....4-1
1. CD PART TROUBLESHOOTING .....................4-1
2. USB PART TROUBLESHOOTING...................4-9
WAVEFORMS OF MAJOR CHECK POINT ............4-10
1. MICOM INTERFACE WAVEFORM.................4-10
2. SLED DRIVE AND MOTOR WAVEFORM......4-11
3. FOCUS DRIVE AND MOTOR
WAVEFORM ......................................................4-11
4. SPINDLE DRIVE AND MOTOR
WAVEFORM ......................................................4-12
5. TRACK DRIVE AND MOTOR
WAVEFORM ......................................................4-12
6. RF, FOCUS AND TRACKING
ERROR WAVEFORM .......................................4-12
SCHEMATIC DIAGRAMS .........................................4-13
1. CD SCHEMATIC DIAGRAM ...........................4-13
2. USB SCHEMATIC DIAGRAM.........................4-15
PRINTED CIRCUIT BOARD DIAGRAM..................4-17
CD P.C.BOARD ....................................................4-17
SECTION 5
REPLACEMENT PARTS LIST
1-1
........5-1